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-rw-r--r--Documentation/DocBook/media_api.tmpl4
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt2
-rw-r--r--Documentation/devicetree/bindings/regulator/palmas-pmic.txt4
-rw-r--r--MAINTAINERS12
-rw-r--r--Makefile2
-rw-r--r--arch/arm/boot/dts/msm8960-cdp.dts4
-rw-r--r--arch/arm/boot/dts/omap5-uevm.dts78
-rw-r--r--arch/arm/boot/dts/stih41x.dtsi2
-rw-r--r--arch/arm/boot/dts/tegra20-colibri-512.dtsi1
-rw-r--r--arch/arm/mach-msm/Kconfig3
-rw-r--r--arch/arm/mach-msm/gpiomux-v1.c33
-rw-r--r--arch/arm/mach-msm/gpiomux.h10
-rw-r--r--arch/arm/mach-omap2/dss-common.c2
-rw-r--r--arch/arm/mach-omap2/omap_device.c18
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c2
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.h50
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c6
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_33xx_data.c3
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_3xxx_data.c9
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_44xx_data.c5
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_54xx_data.c3
-rw-r--r--arch/arm/mach-omap2/serial.c11
-rw-r--r--arch/arm/mach-shmobile/board-armadillo800eva.c3
-rw-r--r--arch/arm/mach-shmobile/board-bockw.c8
-rw-r--r--arch/arm/mach-shmobile/board-lager.c2
-rw-r--r--arch/arm/mach-sti/headsmp.S2
-rw-r--r--arch/avr32/boards/atngw100/mrmt.c1
-rw-r--r--arch/mips/include/asm/cpu-features.h2
-rw-r--r--arch/mips/kernel/smp-bmips.c10
-rw-r--r--arch/mips/oprofile/op_model_mipsxx.c2
-rw-r--r--arch/mips/pnx833x/common/platform.c2
-rw-r--r--arch/powerpc/Kconfig2
-rw-r--r--arch/powerpc/include/asm/processor.h4
-rw-r--r--arch/powerpc/include/asm/reg.h31
-rw-r--r--arch/powerpc/include/asm/switch_to.h9
-rw-r--r--arch/powerpc/kernel/asm-offsets.c3
-rw-r--r--arch/powerpc/kernel/eeh.c2
-rw-r--r--arch/powerpc/kernel/entry_64.S36
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S5
-rw-r--r--arch/powerpc/kernel/process.c10
-rw-r--r--arch/powerpc/kernel/tm.S20
-rw-r--r--arch/powerpc/kernel/traps.c58
-rw-r--r--arch/powerpc/kvm/book3s_hv.c4
-rw-r--r--arch/powerpc/kvm/book3s_pr.c5
-rw-r--r--arch/powerpc/platforms/pseries/nvram.c80
-rw-r--r--arch/s390/Kconfig9
-rw-r--r--arch/s390/boot/compressed/Makefile9
-rw-r--r--arch/s390/boot/compressed/misc.c4
-rw-r--r--arch/s390/include/asm/bitops.h2
-rw-r--r--arch/s390/kernel/perf_event.c9
-rw-r--r--arch/s390/kernel/setup.c1
-rw-r--r--arch/s390/kvm/kvm-s390.c21
-rw-r--r--arch/s390/kvm/priv.c4
-rw-r--r--arch/s390/mm/init.c1
-rw-r--r--arch/s390/oprofile/init.c2
-rw-r--r--arch/x86/boot/compressed/eboot.c2
-rw-r--r--arch/x86/kernel/amd_nb.c13
-rw-r--r--arch/x86/kernel/early-quirks.c14
-rw-r--r--arch/x86/kernel/i387.c2
-rw-r--r--arch/x86/kernel/microcode_amd.c9
-rw-r--r--drivers/acpi/acpi_processor.c3
-rw-r--r--drivers/acpi/glue.c133
-rw-r--r--drivers/acpi/proc.c8
-rw-r--r--drivers/acpi/video.c2
-rw-r--r--drivers/ata/pata_imx.c1
-rw-r--r--drivers/base/regmap/regcache.c3
-rw-r--r--drivers/char/virtio_console.c70
-rw-r--r--drivers/cpufreq/cpufreq_conservative.c20
-rw-r--r--drivers/cpufreq/cpufreq_governor.c8
-rw-r--r--drivers/cpufreq/cpufreq_governor.h4
-rw-r--r--drivers/cpufreq/cpufreq_ondemand.c20
-rw-r--r--drivers/cpufreq/loongson2_cpufreq.c11
-rw-r--r--drivers/dma/sh/shdma.c4
-rw-r--r--drivers/edac/amd64_edac.c324
-rw-r--r--drivers/edac/amd64_edac.h60
-rw-r--r--drivers/gpu/drm/ast/ast_ttm.c1
-rw-r--r--drivers/gpu/drm/cirrus/cirrus_ttm.c1
-rw-r--r--drivers/gpu/drm/drm_irq.c5
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h12
-rw-r--r--drivers/gpu/drm/i915/intel_display.c4
-rw-r--r--drivers/gpu/drm/i915/intel_panel.c18
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c18
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_ttm.c1
-rw-r--r--drivers/gpu/drm/radeon/btc_dpm.c17
-rw-r--r--drivers/gpu/drm/radeon/cik.c18
-rw-r--r--drivers/gpu/drm/radeon/cypress_dpm.c17
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c6
-rw-r--r--drivers/gpu/drm/radeon/evergreen_hdmi.c26
-rw-r--r--drivers/gpu/drm/radeon/evergreend.h3
-rw-r--r--drivers/gpu/drm/radeon/ni.c16
-rw-r--r--drivers/gpu/drm/radeon/ni_dpm.c17
-rw-r--r--drivers/gpu/drm/radeon/r600.c41
-rw-r--r--drivers/gpu/drm/radeon/r600_hdmi.c37
-rw-r--r--drivers/gpu/drm/radeon/r600d.h3
-rw-r--r--drivers/gpu/drm/radeon/radeon.h4
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.h2
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c3
-rw-r--r--drivers/gpu/drm/radeon/radeon_fence.c2
-rw-r--r--drivers/gpu/drm/radeon/radeon_gart.c1
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c9
-rw-r--r--drivers/gpu/drm/radeon/radeon_uvd.c93
-rw-r--r--drivers/gpu/drm/radeon/rv6xx_dpm.c22
-rw-r--r--drivers/gpu/drm/radeon/rv770.c7
-rw-r--r--drivers/gpu/drm/radeon/rv770_dpm.c33
-rw-r--r--drivers/gpu/drm/radeon/rv770_dpm.h1
-rw-r--r--drivers/gpu/drm/radeon/si.c19
-rw-r--r--drivers/gpu/drm/radeon/si_dpm.c61
-rw-r--r--drivers/hid/hid-logitech-dj.c2
-rw-r--r--drivers/hwmon/adt7470.c2
-rw-r--r--drivers/i2c/busses/i2c-kempld.c4
-rw-r--r--drivers/i2c/busses/i2c-mxs.c2
-rw-r--r--drivers/iio/adc/ti_am335x_adc.c30
-rw-r--r--drivers/iio/industrialio-trigger.c34
-rw-r--r--drivers/media/i2c/ml86v7667.c4
-rw-r--r--drivers/media/platform/coda.c2
-rw-r--r--drivers/media/platform/s5p-g2d/g2d.c1
-rw-r--r--drivers/media/platform/s5p-mfc/s5p_mfc_dec.c79
-rw-r--r--drivers/media/platform/s5p-mfc/s5p_mfc_enc.c46
-rw-r--r--drivers/media/usb/em28xx/em28xx-i2c.c2
-rw-r--r--drivers/media/usb/hdpvr/hdpvr-core.c11
-rw-r--r--drivers/media/usb/usbtv/Kconfig2
-rw-r--r--drivers/media/usb/usbtv/usbtv.c51
-rw-r--r--drivers/pci/pci-acpi.c15
-rw-r--r--drivers/s390/block/dasd.c6
-rw-r--r--drivers/scsi/fnic/fnic.h2
-rw-r--r--drivers/scsi/fnic/fnic_main.c22
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_base.c20
-rw-r--r--drivers/scsi/scsi.c3
-rw-r--r--drivers/scsi/virtio_scsi.c2
-rw-r--r--drivers/spi/spi-davinci.c2
-rw-r--r--drivers/staging/zcache/zcache-main.c6
-rw-r--r--drivers/usb/core/hub.c5
-rw-r--r--drivers/usb/host/xhci-mem.c1
-rw-r--r--drivers/usb/host/xhci.c1
-rw-r--r--drivers/video/mxsfb.c26
-rw-r--r--drivers/video/omap2/displays-new/connector-analog-tv.c18
-rw-r--r--fs/btrfs/backref.c48
-rw-r--r--fs/btrfs/ctree.c1
-rw-r--r--fs/btrfs/extent_io.c9
-rw-r--r--fs/btrfs/file.c62
-rw-r--r--fs/btrfs/inode.c52
-rw-r--r--fs/btrfs/transaction.c8
-rw-r--r--fs/btrfs/transaction.h2
-rw-r--r--fs/btrfs/tree-log.c5
-rw-r--r--fs/debugfs/inode.c69
-rw-r--r--fs/dlm/user.c1
-rw-r--r--fs/ext4/extents.c2
-rw-r--r--fs/ext4/ialloc.c10
-rw-r--r--fs/ext4/inode.c39
-rw-r--r--fs/ext4/super.c1
-rw-r--r--fs/fcntl.c4
-rw-r--r--fs/lockd/clntlock.c13
-rw-r--r--fs/lockd/clntproc.c5
-rw-r--r--fs/namei.c10
-rw-r--r--fs/nfs/inode.c11
-rw-r--r--fs/nfs/nfs4proc.c8
-rw-r--r--fs/nfs/super.c4
-rw-r--r--fs/nfsd/nfs4proc.c2
-rw-r--r--fs/nfsd/nfs4state.c2
-rw-r--r--fs/nfsd/nfs4xdr.c5
-rw-r--r--fs/open.c2
-rw-r--r--fs/reiserfs/procfs.c99
-rw-r--r--fs/reiserfs/super.c3
-rw-r--r--include/acpi/acpi_bus.h14
-rw-r--r--include/linux/ftrace_event.h12
-rw-r--r--include/linux/iio/trigger.h3
-rw-r--r--include/linux/kernel.h2
-rw-r--r--include/linux/mfd/ti_am335x_tscadc.h16
-rw-r--r--include/linux/pci_ids.h2
-rw-r--r--include/linux/regmap.h1
-rw-r--r--include/linux/sunrpc/sched.h1
-rw-r--r--include/linux/user_namespace.h1
-rw-r--r--include/media/v4l2-ctrls.h1
-rw-r--r--kernel/cgroup.c4
-rw-r--r--kernel/printk/braille.c3
-rw-r--r--kernel/ptrace.c1
-rw-r--r--kernel/trace/ftrace.c87
-rw-r--r--kernel/trace/trace.c27
-rw-r--r--kernel/trace/trace_events.c200
-rw-r--r--kernel/trace/trace_events_filter.c17
-rw-r--r--kernel/trace/trace_kprobe.c21
-rw-r--r--kernel/trace/trace_uprobe.c51
-rw-r--r--kernel/user_namespace.c17
-rw-r--r--kernel/workqueue.c44
-rw-r--r--mm/slub.c3
-rw-r--r--net/sunrpc/clnt.c4
-rw-r--r--net/sunrpc/netns.h1
-rw-r--r--net/sunrpc/rpcb_clnt.c48
-rw-r--r--security/smack/smack_lsm.c24
-rw-r--r--sound/usb/6fire/comm.c38
-rw-r--r--sound/usb/6fire/comm.h2
-rw-r--r--sound/usb/endpoint.c13
192 files changed, 2172 insertions, 1220 deletions
diff --git a/Documentation/DocBook/media_api.tmpl b/Documentation/DocBook/media_api.tmpl
index 6a8b715..9c92bb8 100644
--- a/Documentation/DocBook/media_api.tmpl
+++ b/Documentation/DocBook/media_api.tmpl
@@ -1,6 +1,6 @@
<?xml version="1.0"?>
-<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
- "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" [
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
<!ENTITY % media-entities SYSTEM "./media-entities.tmpl"> %media-entities;
<!ENTITY media-indices SYSTEM "./media-indices.tmpl">
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt b/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt
index a1ee681..6113f92 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt
@@ -4,7 +4,7 @@
Required properties :
- reg : Offset and length of the register set for the device
- - compatible : Should be "marvell,mv64xxx-i2c"
+ - compatible : Should be "marvell,mv64xxx-i2c" or "allwinner,sun4i-i2c"
- interrupts : The interrupt number
Optional properties :
diff --git a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
index d5a3086..30b0581 100644
--- a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
+++ b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
@@ -31,9 +31,8 @@ Optional nodes:
Optional sub-node properties:
ti,warm-reset - maintain voltage during warm reset(boolean)
ti,roof-floor - control voltage selection by pin(boolean)
- ti,sleep-mode - mode to adopt in pmic sleep 0 - off, 1 - auto,
+ ti,mode-sleep - mode to adopt in pmic sleep 0 - off, 1 - auto,
2 - eco, 3 - forced pwm
- ti,tstep - slope control 0 - Jump, 1 10mV/us, 2 5mV/us, 3 2.5mV/us
ti,smps-range - OTP has the wrong range set for the hardware so override
0 - low range, 1 - high range.
@@ -59,7 +58,6 @@ pmic {
ti,warm-reset;
ti,roof-floor;
ti,mode-sleep = <0>;
- ti,tstep = <0>;
ti,smps-range = <1>;
};
diff --git a/MAINTAINERS b/MAINTAINERS
index defc053..7cacc88 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -965,6 +965,12 @@ M: Lennert Buytenhek <kernel@wantstofly.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
+ARM/TEXAS INSTRUMENT KEYSTONE ARCHITECTURE
+M: Santosh Shilimkar <santosh.shilimkar@ti.com>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: arch/arm/mach-keystone/
+
ARM/LOGICPD PXA270 MACHINE SUPPORT
M: Lennert Buytenhek <kernel@wantstofly.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -1259,7 +1265,6 @@ F: drivers/rtc/rtc-coh901331.c
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson.git
ARM/Ux500 ARM ARCHITECTURE
-M: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
M: Linus Walleij <linus.walleij@linaro.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
@@ -8664,6 +8669,11 @@ T: git git://git.alsa-project.org/alsa-kernel.git
S: Maintained
F: sound/usb/midi.*
+USB NETWORKING DRIVERS
+L: linux-usb@vger.kernel.org
+S: Odd Fixes
+F: drivers/net/usb/
+
USB OHCI DRIVER
M: Alan Stern <stern@rowland.harvard.edu>
L: linux-usb@vger.kernel.org
diff --git a/Makefile b/Makefile
index f93d4f7..6e48848 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 11
SUBLEVEL = 0
-EXTRAVERSION = -rc4
+EXTRAVERSION = -rc5
NAME = Linux for Workgroups
# *DOCUMENTATION*
diff --git a/arch/arm/boot/dts/msm8960-cdp.dts b/arch/arm/boot/dts/msm8960-cdp.dts
index db2060c..9c1167b0 100644
--- a/arch/arm/boot/dts/msm8960-cdp.dts
+++ b/arch/arm/boot/dts/msm8960-cdp.dts
@@ -26,7 +26,7 @@
cpu-offset = <0x80000>;
};
- msmgpio: gpio@fd510000 {
+ msmgpio: gpio@800000 {
compatible = "qcom,msm-gpio";
gpio-controller;
#gpio-cells = <2>;
@@ -34,7 +34,7 @@
interrupts = <0 32 0x4>;
interrupt-controller;
#interrupt-cells = <2>;
- reg = <0xfd510000 0x4000>;
+ reg = <0x800000 0x4000>;
};
serial@16440000 {
diff --git a/arch/arm/boot/dts/omap5-uevm.dts b/arch/arm/boot/dts/omap5-uevm.dts
index 08b7267..65d7b60 100644
--- a/arch/arm/boot/dts/omap5-uevm.dts
+++ b/arch/arm/boot/dts/omap5-uevm.dts
@@ -235,7 +235,7 @@
};
&mmc1 {
- vmmc-supply = <&vmmcsd_fixed>;
+ vmmc-supply = <&ldo9_reg>;
bus-width = <4>;
};
@@ -282,6 +282,7 @@
regulators {
smps123_reg: smps123 {
+ /* VDD_OPP_MPU */
regulator-name = "smps123";
regulator-min-microvolt = < 600000>;
regulator-max-microvolt = <1500000>;
@@ -290,6 +291,7 @@
};
smps45_reg: smps45 {
+ /* VDD_OPP_MM */
regulator-name = "smps45";
regulator-min-microvolt = < 600000>;
regulator-max-microvolt = <1310000>;
@@ -298,6 +300,7 @@
};
smps6_reg: smps6 {
+ /* VDD_DDR3 - over VDD_SMPS6 */
regulator-name = "smps6";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
@@ -306,6 +309,7 @@
};
smps7_reg: smps7 {
+ /* VDDS_1v8_OMAP over VDDS_1v8_MAIN */
regulator-name = "smps7";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
@@ -314,6 +318,7 @@
};
smps8_reg: smps8 {
+ /* VDD_OPP_CORE */
regulator-name = "smps8";
regulator-min-microvolt = < 600000>;
regulator-max-microvolt = <1310000>;
@@ -322,15 +327,15 @@
};
smps9_reg: smps9 {
+ /* VDDA_2v1_AUD over VDD_2v1 */
regulator-name = "smps9";
regulator-min-microvolt = <2100000>;
regulator-max-microvolt = <2100000>;
- regulator-always-on;
- regulator-boot-on;
ti,smps-range = <0x80>;
};
smps10_reg: smps10 {
+ /* VBUS_5V_OTG */
regulator-name = "smps10";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
@@ -339,38 +344,40 @@
};
ldo1_reg: ldo1 {
+ /* VDDAPHY_CAM: vdda_csiport */
regulator-name = "ldo1";
- regulator-min-microvolt = <2800000>;
- regulator-max-microvolt = <2800000>;
- regulator-always-on;
- regulator-boot-on;
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1800000>;
};
ldo2_reg: ldo2 {
+ /* VCC_2V8_DISP: Does not go anywhere */
regulator-name = "ldo2";
- regulator-min-microvolt = <2900000>;
- regulator-max-microvolt = <2900000>;
- regulator-always-on;
- regulator-boot-on;
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ /* Unused */
+ status = "disabled";
};
ldo3_reg: ldo3 {
+ /* VDDAPHY_MDM: vdda_lli */
regulator-name = "ldo3";
- regulator-min-microvolt = <3000000>;
- regulator-max-microvolt = <3000000>;
- regulator-always-on;
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
regulator-boot-on;
+ /* Only if Modem is used */
+ status = "disabled";
};
ldo4_reg: ldo4 {
+ /* VDDAPHY_DISP: vdda_dsiport/hdmi */
regulator-name = "ldo4";
- regulator-min-microvolt = <2200000>;
- regulator-max-microvolt = <2200000>;
- regulator-always-on;
- regulator-boot-on;
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1800000>;
};
ldo5_reg: ldo5 {
+ /* VDDA_1V8_PHY: usb/sata/hdmi.. */
regulator-name = "ldo5";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
@@ -379,38 +386,43 @@
};
ldo6_reg: ldo6 {
+ /* VDDS_1V2_WKUP: hsic/ldo_emu_wkup */
regulator-name = "ldo6";
- regulator-min-microvolt = <1500000>;
- regulator-max-microvolt = <1500000>;
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
regulator-always-on;
regulator-boot-on;
};
ldo7_reg: ldo7 {
+ /* VDD_VPP: vpp1 */
regulator-name = "ldo7";
- regulator-min-microvolt = <1500000>;
- regulator-max-microvolt = <1500000>;
- regulator-always-on;
- regulator-boot-on;
+ regulator-min-microvolt = <2000000>;
+ regulator-max-microvolt = <2000000>;
+ /* Only for efuse reprograming! */
+ status = "disabled";
};
ldo8_reg: ldo8 {
+ /* VDD_3v0: Does not go anywhere */
regulator-name = "ldo8";
- regulator-min-microvolt = <1500000>;
- regulator-max-microvolt = <1500000>;
- regulator-always-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
regulator-boot-on;
+ /* Unused */
+ status = "disabled";
};
ldo9_reg: ldo9 {
+ /* VCC_DV_SDIO: vdds_sdcard */
regulator-name = "ldo9";
regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <3300000>;
- regulator-always-on;
+ regulator-max-microvolt = <3000000>;
regulator-boot-on;
};
ldoln_reg: ldoln {
+ /* VDDA_1v8_REF: vdds_osc/mm_l4per.. */
regulator-name = "ldoln";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
@@ -419,12 +431,20 @@
};
ldousb_reg: ldousb {
+ /* VDDA_3V_USB: VDDA_USBHS33 */
regulator-name = "ldousb";
regulator-min-microvolt = <3250000>;
regulator-max-microvolt = <3250000>;
regulator-always-on;
regulator-boot-on;
};
+
+ regen3_reg: regen3 {
+ /* REGEN3 controls LDO9 supply to card */
+ regulator-name = "regen3";
+ regulator-always-on;
+ regulator-boot-on;
+ };
};
};
};
diff --git a/arch/arm/boot/dts/stih41x.dtsi b/arch/arm/boot/dts/stih41x.dtsi
index 7321403..f5b9898 100644
--- a/arch/arm/boot/dts/stih41x.dtsi
+++ b/arch/arm/boot/dts/stih41x.dtsi
@@ -6,10 +6,12 @@
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
+ device_type = "cpu";
compatible = "arm,cortex-a9";
reg = <0>;
};
cpu@1 {
+ device_type = "cpu";
compatible = "arm,cortex-a9";
reg = <1>;
};
diff --git a/arch/arm/boot/dts/tegra20-colibri-512.dtsi b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
index 2fcb3f2..5592be6 100644
--- a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
+++ b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
@@ -457,6 +457,7 @@
};
usb-phy@c5004000 {
+ status = "okay";
nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)
GPIO_ACTIVE_LOW>;
};
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index 614e41e..905efc8 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -121,8 +121,7 @@ config MSM_SMD
bool
config MSM_GPIOMUX
- depends on !(ARCH_MSM8X60 || ARCH_MSM8960)
- bool "MSM V1 TLMM GPIOMUX architecture"
+ bool
help
Support for MSM V1 TLMM GPIOMUX architecture.
diff --git a/arch/arm/mach-msm/gpiomux-v1.c b/arch/arm/mach-msm/gpiomux-v1.c
deleted file mode 100644
index 27de2ab..0000000
--- a/arch/arm/mach-msm/gpiomux-v1.c
+++ /dev/null
@@ -1,33 +0,0 @@
-/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-#include <linux/kernel.h>
-#include "gpiomux.h"
-#include "proc_comm.h"
-
-void __msm_gpiomux_write(unsigned gpio, gpiomux_config_t val)
-{
- unsigned tlmm_config = (val & ~GPIOMUX_CTL_MASK) |
- ((gpio & 0x3ff) << 4);
- unsigned tlmm_disable = 0;
- int rc;
-
- rc = msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX,
- &tlmm_config, &tlmm_disable);
- if (rc)
- pr_err("%s: unexpected proc_comm failure %d: %08x %08x\n",
- __func__, rc, tlmm_config, tlmm_disable);
-}
diff --git a/arch/arm/mach-msm/gpiomux.h b/arch/arm/mach-msm/gpiomux.h
index 8e82f41..4410d77 100644
--- a/arch/arm/mach-msm/gpiomux.h
+++ b/arch/arm/mach-msm/gpiomux.h
@@ -73,16 +73,6 @@ extern struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS];
int msm_gpiomux_write(unsigned gpio,
gpiomux_config_t active,
gpiomux_config_t suspended);
-
-/* Architecture-internal function for use by the framework only.
- * This function can assume the following:
- * - the gpio value has passed a bounds-check
- * - the gpiomux spinlock has been obtained
- *
- * This function is not for public consumption. External users
- * should use msm_gpiomux_write.
- */
-void __msm_gpiomux_write(unsigned gpio, gpiomux_config_t val);
#else
static inline int msm_gpiomux_write(unsigned gpio,
gpiomux_config_t active,
diff --git a/arch/arm/mach-omap2/dss-common.c b/arch/arm/mach-omap2/dss-common.c
index 393aeef..043e570 100644
--- a/arch/arm/mach-omap2/dss-common.c
+++ b/arch/arm/mach-omap2/dss-common.c
@@ -42,7 +42,7 @@
/* Using generic display panel */
static struct tfp410_platform_data omap4_dvi_panel = {
- .i2c_bus_num = 3,
+ .i2c_bus_num = 2,
.power_down_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
};
diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c
index 5cc9287..f99f68e 100644
--- a/arch/arm/mach-omap2/omap_device.c
+++ b/arch/arm/mach-omap2/omap_device.c
@@ -129,6 +129,7 @@ static int omap_device_build_from_dt(struct platform_device *pdev)
struct device_node *node = pdev->dev.of_node;
const char *oh_name;
int oh_cnt, i, ret = 0;
+ bool device_active = false;
oh_cnt = of_property_count_strings(node, "ti,hwmods");
if (oh_cnt <= 0) {
@@ -152,6 +153,8 @@ static int omap_device_build_from_dt(struct platform_device *pdev)
goto odbfd_exit1;
}
hwmods[i] = oh;
+ if (oh->flags & HWMOD_INIT_NO_IDLE)
+ device_active = true;
}
od = omap_device_alloc(pdev, hwmods, oh_cnt);
@@ -172,6 +175,11 @@ static int omap_device_build_from_dt(struct platform_device *pdev)
pdev->dev.pm_domain = &omap_device_pm_domain;
+ if (device_active) {
+ omap_device_enable(pdev);
+ pm_runtime_set_active(&pdev->dev);
+ }
+
odbfd_exit1:
kfree(hwmods);
odbfd_exit:
@@ -842,6 +850,7 @@ static int __init omap_device_late_idle(struct device *dev, void *data)
{
struct platform_device *pdev = to_platform_device(dev);
struct omap_device *od = to_omap_device(pdev);
+ int i;
if (!od)
return 0;
@@ -850,6 +859,15 @@ static int __init omap_device_late_idle(struct device *dev, void *data)
* If omap_device state is enabled, but has no driver bound,
* idle it.
*/
+
+ /*
+ * Some devices (like memory controllers) are always kept
+ * enabled, and should not be idled even with no drivers.
+ */
+ for (i = 0; i < od->hwmods_cnt; i++)
+ if (od->hwmods[i]->flags & HWMOD_INIT_NO_IDLE)
+ return 0;
+
if (od->_driver_status != BUS_NOTIFY_BOUND_DRIVER) {
if (od->_state == OMAP_DEVICE_STATE_ENABLED) {
dev_warn(dev, "%s: enabled but no driver. Idling\n",
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 7341eff..7f4db12 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -2386,7 +2386,7 @@ static void __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data)
np = of_dev_hwmod_lookup(of_find_node_by_name(NULL, "ocp"), oh);
if (np)
- va_start = of_iomap(np, 0);
+ va_start = of_iomap(np, oh->mpu_rt_idx);
} else {
va_start = ioremap(mem->pa_start, mem->pa_end - mem->pa_start);
}
diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h
index aab33fd..e1482a9 100644
--- a/arch/arm/mach-omap2/omap_hwmod.h
+++ b/arch/arm/mach-omap2/omap_hwmod.h
@@ -95,6 +95,54 @@ extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type3;
#define MODULEMODE_HWCTRL 1
#define MODULEMODE_SWCTRL 2
+#define DEBUG_OMAP2UART1_FLAGS 0
+#define DEBUG_OMAP2UART2_FLAGS 0
+#define DEBUG_OMAP2UART3_FLAGS 0
+#define DEBUG_OMAP3UART3_FLAGS 0
+#define DEBUG_OMAP3UART4_FLAGS 0
+#define DEBUG_OMAP4UART3_FLAGS 0
+#define DEBUG_OMAP4UART4_FLAGS 0
+#define DEBUG_TI81XXUART1_FLAGS 0
+#define DEBUG_TI81XXUART2_FLAGS 0
+#define DEBUG_TI81XXUART3_FLAGS 0
+#define DEBUG_AM33XXUART1_FLAGS 0
+
+#define DEBUG_OMAPUART_FLAGS (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET)
+
+#if defined(CONFIG_DEBUG_OMAP2UART1)
+#undef DEBUG_OMAP2UART1_FLAGS
+#define DEBUG_OMAP2UART1_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_OMAP2UART2)
+#undef DEBUG_OMAP2UART2_FLAGS
+#define DEBUG_OMAP2UART2_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_OMAP2UART3)
+#undef DEBUG_OMAP2UART3_FLAGS
+#define DEBUG_OMAP2UART3_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_OMAP3UART3)
+#undef DEBUG_OMAP3UART3_FLAGS
+#define DEBUG_OMAP3UART3_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_OMAP3UART4)
+#undef DEBUG_OMAP3UART4_FLAGS
+#define DEBUG_OMAP3UART4_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_OMAP4UART3)
+#undef DEBUG_OMAP4UART3_FLAGS
+#define DEBUG_OMAP4UART3_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_OMAP4UART4)
+#undef DEBUG_OMAP4UART4_FLAGS
+#define DEBUG_OMAP4UART4_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_TI81XXUART1)
+#undef DEBUG_TI81XXUART1_FLAGS
+#define DEBUG_TI81XXUART1_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_TI81XXUART2)
+#undef DEBUG_TI81XXUART2_FLAGS
+#define DEBUG_TI81XXUART2_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_TI81XXUART3)
+#undef DEBUG_TI81XXUART3_FLAGS
+#define DEBUG_TI81XXUART3_FLAGS DEBUG_OMAPUART_FLAGS
+#elif defined(CONFIG_DEBUG_AM33XXUART1)
+#undef DEBUG_AM33XXUART1_FLAGS
+#define DEBUG_AM33XXUART1_FLAGS DEBUG_OMAPUART_FLAGS
+#endif
/**
* struct omap_hwmod_mux_info - hwmod specific mux configuration
@@ -568,6 +616,7 @@ struct omap_hwmod_link {
* @voltdm: pointer to voltage domain (filled in at runtime)
* @dev_attr: arbitrary device attributes that can be passed to the driver
* @_sysc_cache: internal-use hwmod flags
+ * @mpu_rt_idx: index of device address space for register target (for DT boot)
* @_mpu_rt_va: cached register target start address (internal use)
* @_mpu_port: cached MPU register target slave (internal use)
* @opt_clks_cnt: number of @opt_clks
@@ -617,6 +666,7 @@ struct omap_hwmod {
struct list_head node;
struct omap_hwmod_ocp_if *_mpu_port;
u16 flags;
+ u8 mpu_rt_idx;
u8 response_lat;
u8 rst_lines_cnt;
u8 opt_clks_cnt;
diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
index d05fc7b..56cebb0 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
@@ -512,7 +512,7 @@ struct omap_hwmod omap2xxx_uart1_hwmod = {
.mpu_irqs = omap2_uart1_mpu_irqs,
.sdma_reqs = omap2_uart1_sdma_reqs,
.main_clk = "uart1_fck",
- .flags = HWMOD_SWSUP_SIDLE_ACT,
+ .flags = DEBUG_OMAP2UART1_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
@@ -532,7 +532,7 @@ struct omap_hwmod omap2xxx_uart2_hwmod = {
.mpu_irqs = omap2_uart2_mpu_irqs,
.sdma_reqs = omap2_uart2_sdma_reqs,
.main_clk = "uart2_fck",
- .flags = HWMOD_SWSUP_SIDLE_ACT,
+ .flags = DEBUG_OMAP2UART2_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
@@ -552,7 +552,7 @@ struct omap_hwmod omap2xxx_uart3_hwmod = {
.mpu_irqs = omap2_uart3_mpu_irqs,
.sdma_reqs = omap2_uart3_sdma_reqs,
.main_clk = "uart3_fck",
- .flags = HWMOD_SWSUP_SIDLE_ACT,
+ .flags = DEBUG_OMAP2UART3_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
index 28bbd56..eb2f3b9 100644
--- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
@@ -562,6 +562,7 @@ static struct omap_hwmod am33xx_cpgmac0_hwmod = {
.clkdm_name = "cpsw_125mhz_clkdm",
.flags = (HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY),
.main_clk = "cpsw_125mhz_gclk",
+ .mpu_rt_idx = 1,
.prcm = {
.omap4 = {
.clkctrl_offs = AM33XX_CM_PER_CPGMAC0_CLKCTRL_OFFSET,
@@ -1512,7 +1513,7 @@ static struct omap_hwmod am33xx_uart1_hwmod = {
.name = "uart1",
.class = &uart_class,
.clkdm_name = "l4_wkup_clkdm",
- .flags = HWMOD_SWSUP_SIDLE_ACT,
+ .flags = DEBUG_AM33XXUART1_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
.main_clk = "dpll_per_m2_div4_wkupdm_ck",
.prcm = {
.omap4 = {
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index f7a3df2..0c3a427 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -490,7 +490,7 @@ static struct omap_hwmod omap3xxx_uart1_hwmod = {
.mpu_irqs = omap2_uart1_mpu_irqs,
.sdma_reqs = omap2_uart1_sdma_reqs,
.main_clk = "uart1_fck",
- .flags = HWMOD_SWSUP_SIDLE_ACT,
+ .flags = DEBUG_TI81XXUART1_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
@@ -509,7 +509,7 @@ static struct omap_hwmod omap3xxx_uart2_hwmod = {
.mpu_irqs = omap2_uart2_mpu_irqs,
.sdma_reqs = omap2_uart2_sdma_reqs,
.main_clk = "uart2_fck",
- .flags = HWMOD_SWSUP_SIDLE_ACT,
+ .flags = DEBUG_TI81XXUART2_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
@@ -528,7 +528,8 @@ static struct omap_hwmod omap3xxx_uart3_hwmod = {
.mpu_irqs = omap2_uart3_mpu_irqs,
.sdma_reqs = omap2_uart3_sdma_reqs,
.main_clk = "uart3_fck",
- .flags = HWMOD_SWSUP_SIDLE_ACT,
+ .flags = DEBUG_OMAP3UART3_FLAGS | DEBUG_TI81XXUART3_FLAGS |
+ HWMOD_SWSUP_SIDLE_ACT,
.prcm = {
.omap2 = {
.module_offs = OMAP3430_PER_MOD,
@@ -558,7 +559,7 @@ static struct omap_hwmod omap36xx_uart4_hwmod = {
.mpu_irqs = uart4_mpu_irqs,
.sdma_reqs = uart4_sdma_reqs,
.main_clk = "uart4_fck",
- .flags = HWMOD_SWSUP_SIDLE_ACT,
+ .flags = DEBUG_OMAP3UART4_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
.prcm = {
.omap2 = {
.module_offs = OMAP3430_PER_MOD,
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index d04b5e6..9c3b504 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -2858,8 +2858,7 @@ static struct omap_hwmod omap44xx_uart3_hwmod = {
.name = "uart3",
.class = &omap44xx_uart_hwmod_class,
.clkdm_name = "l4_per_clkdm",
- .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET |
- HWMOD_SWSUP_SIDLE_ACT,
+ .flags = DEBUG_OMAP4UART3_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
.main_clk = "func_48m_fclk",
.prcm = {
.omap4 = {
@@ -2875,7 +2874,7 @@ static struct omap_hwmod omap44xx_uart4_hwmod = {
.name = "uart4",
.class = &omap44xx_uart_hwmod_class,
.clkdm_name = "l4_per_clkdm",
- .flags = HWMOD_SWSUP_SIDLE_ACT,
+ .flags = DEBUG_OMAP4UART4_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
.main_clk = "func_48m_fclk",
.prcm = {
.omap4 = {
diff --git a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
index f37ae96..3c70f5c 100644
--- a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
@@ -1375,7 +1375,7 @@ static struct omap_hwmod omap54xx_uart3_hwmod = {
.name = "uart3",
.class = &omap54xx_uart_hwmod_class,
.clkdm_name = "l4per_clkdm",
- .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET,
+ .flags = DEBUG_OMAP4UART3_FLAGS,
.main_clk = "func_48m_fclk",
.prcm = {
.omap4 = {
@@ -1391,6 +1391,7 @@ static struct omap_hwmod omap54xx_uart4_hwmod = {
.name = "uart4",
.class = &omap54xx_uart_hwmod_class,
.clkdm_name = "l4per_clkdm",
+ .flags = DEBUG_OMAP4UART4_FLAGS,
.main_clk = "func_48m_fclk",
.prcm = {
.omap4 = {
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 3a674de..a388f8c 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -208,17 +208,6 @@ static int __init omap_serial_early_init(void)
pr_info("%s used as console in debug mode: uart%d clocks will not be gated",
uart_name, uart->num);
}
-
- /*
- * omap-uart can be used for earlyprintk logs
- * So if omap-uart is used as console then prevent
- * uart reset and idle to get logs from omap-uart
- * until uart console driver is available to take
- * care for console messages.
- * Idling or resetting omap-uart while printing logs
- * early boot logs can stall the boot-up.
- */
- oh->flags |= HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET;
}
} while (1);
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index e115f67..c5be60d 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -1162,9 +1162,6 @@ static void __init eva_init(void)
gpio_request_one(61, GPIOF_OUT_INIT_HIGH, NULL); /* LCDDON */
gpio_request_one(202, GPIOF_OUT_INIT_LOW, NULL); /* LCD0_LED_CONT */
- /* Touchscreen */
- gpio_request_one(166, GPIOF_OUT_INIT_HIGH, NULL); /* TP_RST_B */
-
/* GETHER */
gpio_request_one(18, GPIOF_OUT_INIT_HIGH, NULL); /* PHY_RST */
diff --git a/arch/arm/mach-shmobile/board-bockw.c b/arch/arm/mach-shmobile/board-bockw.c
index d555464..3354a85 100644
--- a/arch/arm/mach-shmobile/board-bockw.c
+++ b/arch/arm/mach-shmobile/board-bockw.c
@@ -167,7 +167,13 @@ static const struct pinctrl_map bockw_pinctrl_map[] = {
"usb1", "usb1"),
/* SDHI0 */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778",
- "sdhi0", "sdhi0"),
+ "sdhi0_data4", "sdhi0"),
+ PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778",
+ "sdhi0_ctrl", "sdhi0"),
+ PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778",
+ "sdhi0_cd", "sdhi0"),
+ PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778",
+ "sdhi0_wp", "sdhi0"),
};
#define FPGA 0x18200000
diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index d73e21d..8d6bd5c 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -59,7 +59,7 @@ static __initdata struct gpio_led_platform_data lager_leds_pdata = {
#define GPIO_KEY(c, g, d, ...) \
{ .code = c, .gpio = g, .desc = d, .active_low = 1 }
-static __initdata struct gpio_keys_button gpio_buttons[] = {
+static struct gpio_keys_button gpio_buttons[] = {
GPIO_KEY(KEY_4, RCAR_GP_PIN(1, 28), "SW2-pin4"),
GPIO_KEY(KEY_3, RCAR_GP_PIN(1, 26), "SW2-pin3"),
GPIO_KEY(KEY_2, RCAR_GP_PIN(1, 24), "SW2-pin2"),
diff --git a/arch/arm/mach-sti/headsmp.S b/arch/arm/mach-sti/headsmp.S
index 78ebc75..4c09bae 100644
--- a/arch/arm/mach-sti/headsmp.S
+++ b/arch/arm/mach-sti/headsmp.S
@@ -16,8 +16,6 @@
#include <linux/linkage.h>
#include <linux/init.h>
- __INIT
-
/*
* ST specific entry point for secondary CPUs. This provides
* a "holding pen" into which all secondary cores are held until we're
diff --git a/arch/avr32/boards/atngw100/mrmt.c b/arch/avr32/boards/atngw100/mrmt.c
index f914319..7de083d 100644
--- a/arch/avr32/boards/atngw100/mrmt.c
+++ b/arch/avr32/boards/atngw100/mrmt.c
@@ -150,7 +150,6 @@ static struct ac97c_platform_data __initdata ac97c0_data = {
static struct platform_device rmt_ts_device = {
.name = "ucb1400_ts",
.id = -1,
- }
};
#endif
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index 1dc0860..fa44f3e 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -17,6 +17,8 @@
#define current_cpu_type() current_cpu_data.cputype
#endif
+#define boot_cpu_type() cpu_data[0].cputype
+
/*
* SMP assumption: Options of CPU 0 are a superset of all processors.
* This is true for all known MIPS systems.
diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
index 159abc8..126da74 100644
--- a/arch/mips/kernel/smp-bmips.c
+++ b/arch/mips/kernel/smp-bmips.c
@@ -66,6 +66,8 @@ static void __init bmips_smp_setup(void)
int i, cpu = 1, boot_cpu = 0;
#if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380)
+ int cpu_hw_intr;
+
/* arbitration priority */
clear_c0_brcm_cmt_ctrl(0x30);
@@ -80,8 +82,12 @@ static void __init bmips_smp_setup(void)
* MIPS interrupt 2 (HW INT 0) is the CPU0 L1 controller output
* MIPS interrupt 3 (HW INT 1) is the CPU1 L1 controller output
*/
- change_c0_brcm_cmt_intr(0xf8018000,
- (0x02 << 27) | (0x03 << 15));
+ if (boot_cpu == 0)
+ cpu_hw_intr = 0x02;
+ else
+ cpu_hw_intr = 0x1d;
+
+ change_c0_brcm_cmt_intr(0xf8018000, (cpu_hw_intr << 27) | (0x03 << 15));
/* single core, 2 threads (2 pipelines) */
max_cpus = 2;
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index e4b1140..3a2b6e9 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -166,7 +166,7 @@ static void mipsxx_reg_setup(struct op_counter_config *ctr)
reg.control[i] |= M_PERFCTL_USER;
if (ctr[i].exl)
reg.control[i] |= M_PERFCTL_EXL;
- if (current_cpu_type() == CPU_XLR)
+ if (boot_cpu_type() == CPU_XLR)
reg.control[i] |= M_PERFCTL_COUNT_ALL_THREADS;
reg.counter[i] = 0x80000000 - ctr[i].count;
}
diff --git a/arch/mips/pnx833x/common/platform.c b/arch/mips/pnx833x/common/platform.c
index d22dc0d..2b7e837 100644
--- a/arch/mips/pnx833x/common/platform.c
+++ b/arch/mips/pnx833x/common/platform.c
@@ -206,11 +206,13 @@ static struct resource pnx833x_ethernet_resources[] = {
.end = PNX8335_IP3902_PORTS_END,
.flags = IORESOURCE_MEM,
},
+#ifdef CONFIG_SOC_PNX8335
[1] = {
.start = PNX8335_PIC_ETHERNET_INT,
.end = PNX8335_PIC_ETHERNET_INT,
.flags = IORESOURCE_IRQ,
},
+#endif
};
static struct platform_device pnx833x_ethernet_device = {
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 3bf72cd..dbd9d3c 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -566,7 +566,7 @@ config SCHED_SMT
config PPC_DENORMALISATION
bool "PowerPC denormalisation exception handling"
depends on PPC_BOOK3S_64
- default "n"
+ default "y" if PPC_POWERNV
---help---
Add support for handling denormalisation of single precision
values. Useful for bare metal only. If unsure say Y here.
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 47a35b0..e378ccc 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -247,6 +247,10 @@ struct thread_struct {
unsigned long tm_orig_msr; /* Thread's MSR on ctx switch */
struct pt_regs ckpt_regs; /* Checkpointed registers */
+ unsigned long tm_tar;
+ unsigned long tm_ppr;
+ unsigned long tm_dscr;
+
/*
* Transactional FP and VSX 0-31 register set.
* NOTE: the sense of these is the opposite of the integer ckpt_regs!
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index a6840e4..99222e2 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -254,19 +254,28 @@
#define SPRN_HRMOR 0x139 /* Real mode offset register */
#define SPRN_HSRR0 0x13A /* Hypervisor Save/Restore 0 */
#define SPRN_HSRR1 0x13B /* Hypervisor Save/Restore 1 */
+/* HFSCR and FSCR bit numbers are the same */
+#define FSCR_TAR_LG 8 /* Enable Target Address Register */
+#define FSCR_EBB_LG 7 /* Enable Event Based Branching */
+#define FSCR_TM_LG 5 /* Enable Transactional Memory */
+#define FSCR_PM_LG 4 /* Enable prob/priv access to PMU SPRs */
+#define FSCR_BHRB_LG 3 /* Enable Branch History Rolling Buffer*/
+#define FSCR_DSCR_LG 2 /* Enable Data Stream Control Register */
+#define FSCR_VECVSX_LG 1 /* Enable VMX/VSX */
+#define FSCR_FP_LG 0 /* Enable Floating Point */
#define SPRN_FSCR 0x099 /* Facility Status & Control Register */
-#define FSCR_TAR (1 << (63-55)) /* Enable Target Address Register */
-#define FSCR_EBB (1 << (63-56)) /* Enable Event Based Branching */
-#define FSCR_DSCR (1 << (63-61)) /* Enable Data Stream Control Register */
+#define FSCR_TAR __MASK(FSCR_TAR_LG)
+#define FSCR_EBB __MASK(FSCR_EBB_LG)
+#define FSCR_DSCR __MASK(FSCR_DSCR_LG)
#define SPRN_HFSCR 0xbe /* HV=1 Facility Status & Control Register */
-#define HFSCR_TAR (1 << (63-55)) /* Enable Target Address Register */
-#define HFSCR_EBB (1 << (63-56)) /* Enable Event Based Branching */
-#define HFSCR_TM (1 << (63-58)) /* Enable Transactional Memory */
-#define HFSCR_PM (1 << (63-60)) /* Enable prob/priv access to PMU SPRs */
-#define HFSCR_BHRB (1 << (63-59)) /* Enable Branch History Rolling Buffer*/
-#define HFSCR_DSCR (1 << (63-61)) /* Enable Data Stream Control Register */
-#define HFSCR_VECVSX (1 << (63-62)) /* Enable VMX/VSX */
-#define HFSCR_FP (1 << (63-63)) /* Enable Floating Point */
+#define HFSCR_TAR __MASK(FSCR_TAR_LG)
+#define HFSCR_EBB __MASK(FSCR_EBB_LG)
+#define HFSCR_TM __MASK(FSCR_TM_LG)
+#define HFSCR_PM __MASK(FSCR_PM_LG)
+#define HFSCR_BHRB __MASK(FSCR_BHRB_LG)
+#define HFSCR_DSCR __MASK(FSCR_DSCR_LG)
+#define HFSCR_VECVSX __MASK(FSCR_VECVSX_LG)
+#define HFSCR_FP __MASK(FSCR_FP_LG)
#define SPRN_TAR 0x32f /* Target Address Register */
#define SPRN_LPCR 0x13E /* LPAR Control Register */
#define LPCR_VPM0 (1ul << (63-0))
diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h
index 49a13e0..294c2ce 100644
--- a/arch/powerpc/include/asm/switch_to.h
+++ b/arch/powerpc/include/asm/switch_to.h
@@ -15,6 +15,15 @@ extern struct task_struct *__switch_to(struct task_struct *,
struct thread_struct;
extern struct task_struct *_switch(struct thread_struct *prev,
struct thread_struct *next);
+#ifdef CONFIG_PPC_BOOK3S_64
+static inline void save_tar(struct thread_struct *prev)
+{
+ if (cpu_has_feature(CPU_FTR_ARCH_207S))
+ prev->tar = mfspr(SPRN_TAR);
+}
+#else
+static inline void save_tar(struct thread_struct *prev) {}
+#endif
extern void giveup_fpu(struct task_struct *);
extern void load_up_fpu(void);
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index c7e8afc..8207459 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -138,6 +138,9 @@ int main(void)
DEFINE(THREAD_TM_TFHAR, offsetof(struct thread_struct, tm_tfhar));
DEFINE(THREAD_TM_TEXASR, offsetof(struct thread_struct, tm_texasr));
DEFINE(THREAD_TM_TFIAR, offsetof(struct thread_struct, tm_tfiar));
+ DEFINE(THREAD_TM_TAR, offsetof(struct thread_struct, tm_tar));
+ DEFINE(THREAD_TM_PPR, offsetof(struct thread_struct, tm_ppr));
+ DEFINE(THREAD_TM_DSCR, offsetof(struct thread_struct, tm_dscr));
DEFINE(PT_CKPT_REGS, offsetof(struct thread_struct, ckpt_regs));
DEFINE(THREAD_TRANSACT_VR0, offsetof(struct thread_struct,
transact_vr[0]));
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index ea9414c8..55593ee 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -1061,7 +1061,7 @@ static const struct file_operations proc_eeh_operations = {
static int __init eeh_init_proc(void)
{
- if (machine_is(pseries))
+ if (machine_is(pseries) || machine_is(powernv))
proc_create("powerpc/eeh", 0, NULL, &proc_eeh_operations);
return 0;
}
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index ab15b8d..2bd0b88 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -449,15 +449,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_DSCR)
#ifdef CONFIG_PPC_BOOK3S_64
BEGIN_FTR_SECTION
- /*
- * Back up the TAR across context switches. Note that the TAR is not
- * available for use in the kernel. (To provide this, the TAR should
- * be backed up/restored on exception entry/exit instead, and be in
- * pt_regs. FIXME, this should be in pt_regs anyway (for debug).)
- */
- mfspr r0,SPRN_TAR
- std r0,THREAD_TAR(r3)
-
/* Event based branch registers */
mfspr r0, SPRN_BESCR
std r0, THREAD_BESCR(r3)
@@ -584,9 +575,34 @@ BEGIN_FTR_SECTION
ld r7,DSCR_DEFAULT@toc(2)
ld r0,THREAD_DSCR(r4)
cmpwi r6,0
+ li r8, FSCR_DSCR
bne 1f
ld r0,0(r7)
-1: cmpd r0,r25
+ b 3f
+1:
+ BEGIN_FTR_SECTION_NESTED(70)
+ mfspr r6, SPRN_FSCR
+ or r6, r6, r8
+ mtspr SPRN_FSCR, r6
+ BEGIN_FTR_SECTION_NESTED(69)
+ mfspr r6, SPRN_HFSCR
+ or r6, r6, r8
+ mtspr SPRN_HFSCR, r6
+ END_FTR_SECTION_NESTED(CPU_FTR_HVMODE, CPU_FTR_HVMODE, 69)
+ b 4f
+ END_FTR_SECTION_NESTED(CPU_FTR_ARCH_207S, CPU_FTR_ARCH_207S, 70)
+3:
+ BEGIN_FTR_SECTION_NESTED(70)
+ mfspr r6, SPRN_FSCR
+ andc r6, r6, r8
+ mtspr SPRN_FSCR, r6
+ BEGIN_FTR_SECTION_NESTED(69)
+ mfspr r6, SPRN_HFSCR
+ andc r6, r6, r8
+ mtspr SPRN_HFSCR, r6
+ END_FTR_SECTION_NESTED(CPU_FTR_HVMODE, CPU_FTR_HVMODE, 69)
+ END_FTR_SECTION_NESTED(CPU_FTR_ARCH_207S, CPU_FTR_ARCH_207S, 70)
+4: cmpd r0,r25
beq 2f
mtspr SPRN_DSCR,r0
2:
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 4e00d22..902ca3c 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -848,7 +848,7 @@ hv_facility_unavailable_relon_trampoline:
. = 0x4f80
SET_SCRATCH0(r13)
EXCEPTION_PROLOG_0(PACA_EXGEN)
- b facility_unavailable_relon_hv
+ b hv_facility_unavailable_relon_hv
STD_RELON_EXCEPTION_PSERIES(0x5300, 0x1300, instruction_breakpoint)
#ifdef CONFIG_PPC_DENORMALISATION
@@ -1175,6 +1175,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX)
b .ret_from_except
STD_EXCEPTION_COMMON(0xf60, facility_unavailable, .facility_unavailable_exception)
+ STD_EXCEPTION_COMMON(0xf80, hv_facility_unavailable, .facility_unavailable_exception)
.align 7
.globl __end_handlers
@@ -1188,7 +1189,7 @@ __end_handlers:
STD_RELON_EXCEPTION_PSERIES_OOL(0xf20, altivec_unavailable)
STD_RELON_EXCEPTION_PSERIES_OOL(0xf40, vsx_unavailable)
STD_RELON_EXCEPTION_PSERIES_OOL(0xf60, facility_unavailable)
- STD_RELON_EXCEPTION_HV_OOL(0xf80, facility_unavailable)
+ STD_RELON_EXCEPTION_HV_OOL(0xf80, hv_facility_unavailable)
#if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV)
/*
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index c517dbe..8083be2 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -600,6 +600,16 @@ struct task_struct *__switch_to(struct task_struct *prev,
struct ppc64_tlb_batch *batch;
#endif
+ /* Back up the TAR across context switches.
+ * Note that the TAR is not available for use in the kernel. (To
+ * provide this, the TAR should be backed up/restored on exception
+ * entry/exit instead, and be in pt_regs. FIXME, this should be in
+ * pt_regs anyway (for debug).)
+ * Save the TAR here before we do treclaim/trecheckpoint as these
+ * will change the TAR.
+ */
+ save_tar(&prev->thread);
+
__switch_to_tm(prev);
#ifdef CONFIG_SMP
diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S
index 51be8fb..0554d1f 100644
--- a/arch/powerpc/kernel/tm.S
+++ b/arch/powerpc/kernel/tm.S
@@ -233,6 +233,16 @@ dont_backup_fp:
std r5, _CCR(r7)
std r6, _XER(r7)
+
+ /* ******************** TAR, PPR, DSCR ********** */
+ mfspr r3, SPRN_TAR
+ mfspr r4, SPRN_PPR
+ mfspr r5, SPRN_DSCR
+
+ std r3, THREAD_TM_TAR(r12)
+ std r4, THREAD_TM_PPR(r12)
+ std r5, THREAD_TM_DSCR(r12)
+
/* MSR and flags: We don't change CRs, and we don't need to alter
* MSR.
*/
@@ -347,6 +357,16 @@ dont_restore_fp:
mtmsr r6 /* FP/Vec off again! */
restore_gprs:
+
+ /* ******************** TAR, PPR, DSCR ********** */
+ ld r4, THREAD_TM_TAR(r3)
+ ld r5, THREAD_TM_PPR(r3)
+ ld r6, THREAD_TM_DSCR(r3)
+
+ mtspr SPRN_TAR, r4
+ mtspr SPRN_PPR, r5
+ mtspr SPRN_DSCR, r6
+
/* ******************** CR,LR,CCR,MSR ********** */
ld r3, _CTR(r7)
ld r4, _LINK(r7)
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index bf33c22..e435bc0 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -44,9 +44,7 @@
#include <asm/machdep.h>
#include <asm/rtas.h>
#include <asm/pmc.h>
-#ifdef CONFIG_PPC32
#include <asm/reg.h>
-#endif
#ifdef CONFIG_PMAC_BACKLIGHT
#include <asm/backlight.h>
#endif
@@ -1296,43 +1294,54 @@ void vsx_unavailable_exception(struct pt_regs *regs)
die("Unrecoverable VSX Unavailable Exception", regs, SIGABRT);
}
+#ifdef CONFIG_PPC64
void facility_unavailable_exception(struct pt_regs *regs)
{
static char *facility_strings[] = {
- "FPU",
- "VMX/VSX",
- "DSCR",
- "PMU SPRs",
- "BHRB",
- "TM",
- "AT",
- "EBB",
- "TAR",
+ [FSCR_FP_LG] = "FPU",
+ [FSCR_VECVSX_LG] = "VMX/VSX",
+ [FSCR_DSCR_LG] = "DSCR",
+ [FSCR_PM_LG] = "PMU SPRs",
+ [FSCR_BHRB_LG] = "BHRB",
+ [FSCR_TM_LG] = "TM",
+ [FSCR_EBB_LG] = "EBB",
+ [FSCR_TAR_LG] = "TAR",
};
- char *facility, *prefix;
+ char *facility = "unknown";
u64 value;
+ u8 status;
+ bool hv;
- if (regs->trap == 0xf60) {
- value = mfspr(SPRN_FSCR);
- prefix = "";
- } else {
+ hv = (regs->trap == 0xf80);
+ if (hv)
value = mfspr(SPRN_HFSCR);
- prefix = "Hypervisor ";
+ else
+ value = mfspr(SPRN_FSCR);
+
+ status = value >> 56;
+ if (status == FSCR_DSCR_LG) {
+ /* User is acessing the DSCR. Set the inherit bit and allow
+ * the user to set it directly in future by setting via the
+ * H/FSCR DSCR bit.
+ */
+ current->thread.dscr_inherit = 1;
+ if (hv)
+ mtspr(SPRN_HFSCR, value | HFSCR_DSCR);
+ else
+ mtspr(SPRN_FSCR, value | FSCR_DSCR);
+ return;
}
- value = value >> 56;
+ if ((status < ARRAY_SIZE(facility_strings)) &&
+ facility_strings[status])
+ facility = facility_strings[status];
/* We restore the interrupt state now */
if (!arch_irq_disabled_regs(regs))
local_irq_enable();
- if (value < ARRAY_SIZE(facility_strings))
- facility = facility_strings[value];
- else
- facility = "unknown";
-
pr_err("%sFacility '%s' unavailable, exception at 0x%lx, MSR=%lx\n",
- prefix, facility, regs->nip, regs->msr);
+ hv ? "Hypervisor " : "", facility, regs->nip, regs->msr);
if (user_mode(regs)) {
_exception(SIGILL, regs, ILL_ILLOPC, regs->nip);
@@ -1341,6 +1350,7 @@ void facility_unavailable_exception(struct pt_regs *regs)
die("Unexpected facility unavailable exception", regs, SIGABRT);
}
+#endif
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 2efa9dd..7629cd3 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -1809,7 +1809,7 @@ static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu)
rma_size <<= PAGE_SHIFT;
rmls = lpcr_rmls(rma_size);
err = -EINVAL;
- if (rmls < 0) {
+ if ((long)rmls < 0) {
pr_err("KVM: Can't use RMA of 0x%lx bytes\n", rma_size);
goto out_srcu;
}
@@ -1874,7 +1874,7 @@ int kvmppc_core_init_vm(struct kvm *kvm)
/* Allocate the guest's logical partition ID */
lpid = kvmppc_alloc_lpid();
- if (lpid < 0)
+ if ((long)lpid < 0)
return -ENOMEM;
kvm->arch.lpid = lpid;
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index 19498a5..c6e13d9 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -1047,11 +1047,12 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
if (err)
goto free_shadow_vcpu;
+ err = -ENOMEM;
p = __get_free_page(GFP_KERNEL|__GFP_ZERO);
- /* the real shared page fills the last 4k of our page */
- vcpu->arch.shared = (void*)(p + PAGE_SIZE - 4096);
if (!p)
goto uninit_vcpu;
+ /* the real shared page fills the last 4k of our page */
+ vcpu->arch.shared = (void *)(p + PAGE_SIZE - 4096);
#ifdef CONFIG_PPC_BOOK3S_64
/* default to book3s_64 (970fx) */
diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
index 9f8671a..6a5f2b1 100644
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -569,35 +569,6 @@ error:
return ret;
}
-static int unzip_oops(char *oops_buf, char *big_buf)
-{
- struct oops_log_info *oops_hdr = (struct oops_log_info *)oops_buf;
- u64 timestamp = oops_hdr->timestamp;
- char *big_oops_data = NULL;
- char *oops_data_buf = NULL;
- size_t big_oops_data_sz;
- int unzipped_len;
-
- big_oops_data = big_buf + sizeof(struct oops_log_info);
- big_oops_data_sz = big_oops_buf_sz - sizeof(struct oops_log_info);
- oops_data_buf = oops_buf + sizeof(struct oops_log_info);
-
- unzipped_len = nvram_decompress(oops_data_buf, big_oops_data,
- oops_hdr->report_length,
- big_oops_data_sz);
-
- if (unzipped_len < 0) {
- pr_err("nvram: decompression failed; returned %d\n",
- unzipped_len);
- return -1;
- }
- oops_hdr = (struct oops_log_info *)big_buf;
- oops_hdr->version = OOPS_HDR_VERSION;
- oops_hdr->report_length = (u16) unzipped_len;
- oops_hdr->timestamp = timestamp;
- return 0;
-}
-
static int nvram_pstore_open(struct pstore_info *psi)
{
/* Reset the iterator to start reading partitions again */
@@ -685,10 +656,9 @@ static ssize_t nvram_pstore_read(u64 *id, enum pstore_type_id *type,
unsigned int err_type, id_no, size = 0;
struct nvram_os_partition *part = NULL;
char *buff = NULL, *big_buff = NULL;
- int rc, sig = 0;
+ int sig = 0;
loff_t p;
-read_partition:
read_type++;
switch (nvram_type_ids[read_type]) {
@@ -749,30 +719,46 @@ read_partition:
*id = id_no;
if (nvram_type_ids[read_type] == PSTORE_TYPE_DMESG) {
+ int length, unzipped_len;
+ size_t hdr_size;
+
oops_hdr = (struct oops_log_info *)buff;
- *buf = buff + sizeof(*oops_hdr);
+ if (oops_hdr->version < OOPS_HDR_VERSION) {
+ /* Old format oops header had 2-byte record size */
+ hdr_size = sizeof(u16);
+ length = oops_hdr->version;
+ time->tv_sec = 0;
+ time->tv_nsec = 0;
+ } else {
+ hdr_size = sizeof(*oops_hdr);
+ length = oops_hdr->report_length;
+ time->tv_sec = oops_hdr->timestamp;
+ time->tv_nsec = 0;
+ }
+ *buf = kmalloc(length, GFP_KERNEL);
+ if (*buf == NULL)
+ return -ENOMEM;
+ memcpy(*buf, buff + hdr_size, length);
+ kfree(buff);
if (err_type == ERR_TYPE_KERNEL_PANIC_GZ) {
big_buff = kmalloc(big_oops_buf_sz, GFP_KERNEL);
if (!big_buff)
return -ENOMEM;
- rc = unzip_oops(buff, big_buff);
+ unzipped_len = nvram_decompress(*buf, big_buff,
+ length, big_oops_buf_sz);
- if (rc != 0) {
- kfree(buff);
+ if (unzipped_len < 0) {
+ pr_err("nvram: decompression failed, returned "
+ "rc %d\n", unzipped_len);
kfree(big_buff);
- goto read_partition;
+ } else {
+ *buf = big_buff;
+ length = unzipped_len;
}
-
- oops_hdr = (struct oops_log_info *)big_buff;
- *buf = big_buff + sizeof(*oops_hdr);
- kfree(buff);
}
-
- time->tv_sec = oops_hdr->timestamp;
- time->tv_nsec = 0;
- return oops_hdr->report_length;
+ return length;
}
*buf = buff;
@@ -816,6 +802,7 @@ static int nvram_pstore_init(void)
static void __init nvram_init_oops_partition(int rtas_partition_exists)
{
int rc;
+ size_t size;
rc = pseries_nvram_init_os_partition(&oops_log_partition);
if (rc != 0) {
@@ -844,8 +831,9 @@ static void __init nvram_init_oops_partition(int rtas_partition_exists)
big_oops_buf_sz = (oops_data_sz * 100) / 45;
big_oops_buf = kmalloc(big_oops_buf_sz, GFP_KERNEL);
if (big_oops_buf) {
- stream.workspace = kmalloc(zlib_deflate_workspacesize(
- WINDOW_BITS, MEM_LEVEL), GFP_KERNEL);
+ size = max(zlib_deflate_workspacesize(WINDOW_BITS, MEM_LEVEL),
+ zlib_inflate_workspacesize());
+ stream.workspace = kmalloc(size, GFP_KERNEL);
if (!stream.workspace) {
pr_err("nvram: No memory for compression workspace; "
"skipping compression of %s partition data\n",
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 22f75b5..8a4cae7 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -118,6 +118,7 @@ config S390
select HAVE_FUNCTION_TRACE_MCOUNT_TEST
select HAVE_KERNEL_BZIP2
select HAVE_KERNEL_GZIP
+ select HAVE_KERNEL_LZ4
select HAVE_KERNEL_LZMA
select HAVE_KERNEL_LZO
select HAVE_KERNEL_XZ
@@ -227,11 +228,12 @@ config MARCH_Z196
not work on older machines.
config MARCH_ZEC12
- bool "IBM zEC12"
+ bool "IBM zBC12 and zEC12"
select HAVE_MARCH_ZEC12_FEATURES if 64BIT
help
- Select this to enable optimizations for IBM zEC12 (2827 series). The
- kernel will be slightly faster but will not work on older machines.
+ Select this to enable optimizations for IBM zBC12 and zEC12 (2828 and
+ 2827 series). The kernel will be slightly faster but will not work on
+ older machines.
endchoice
@@ -709,6 +711,7 @@ config S390_GUEST
def_bool y
prompt "s390 support for virtio devices"
depends on 64BIT
+ select TTY
select VIRTUALIZATION
select VIRTIO
select VIRTIO_CONSOLE
diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile
index 3ad8f61..866ecbe 100644
--- a/arch/s390/boot/compressed/Makefile
+++ b/arch/s390/boot/compressed/Makefile
@@ -6,9 +6,9 @@
BITS := $(if $(CONFIG_64BIT),64,31)
-targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \
- vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo misc.o piggy.o \
- sizes.h head$(BITS).o
+targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2
+targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4
+targets += misc.o piggy.o sizes.h head$(BITS).o
KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
@@ -48,6 +48,7 @@ vmlinux.bin.all-y := $(obj)/vmlinux.bin
suffix-$(CONFIG_KERNEL_GZIP) := gz
suffix-$(CONFIG_KERNEL_BZIP2) := bz2
+suffix-$(CONFIG_KERNEL_LZ4) := lz4
suffix-$(CONFIG_KERNEL_LZMA) := lzma
suffix-$(CONFIG_KERNEL_LZO) := lzo
suffix-$(CONFIG_KERNEL_XZ) := xz
@@ -56,6 +57,8 @@ $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y)
$(call if_changed,gzip)
$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y)
$(call if_changed,bzip2)
+$(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y)
+ $(call if_changed,lz4)
$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y)
$(call if_changed,lzma)
$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y)
diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c
index c4c6a1c..57cbaff 100644
--- a/arch/s390/boot/compressed/misc.c
+++ b/arch/s390/boot/compressed/misc.c
@@ -47,6 +47,10 @@ static unsigned long free_mem_end_ptr;
#include "../../../../lib/decompress_bunzip2.c"
#endif
+#ifdef CONFIG_KERNEL_LZ4
+#include "../../../../lib/decompress_unlz4.c"
+#endif
+
#ifdef CONFIG_KERNEL_LZMA
#include "../../../../lib/decompress_unlzma.c"
#endif
diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h
index 4d8604e..7d46767 100644
--- a/arch/s390/include/asm/bitops.h
+++ b/arch/s390/include/asm/bitops.h
@@ -693,7 +693,7 @@ static inline int find_next_bit_left(const unsigned long *addr,
size -= offset;
p = addr + offset / BITS_PER_LONG;
if (bit) {
- set = __flo_word(0, *p & (~0UL << bit));
+ set = __flo_word(0, *p & (~0UL >> bit));
if (set >= size)
return size + offset;
if (set < BITS_PER_LONG)
diff --git a/arch/s390/kernel/perf_event.c b/arch/s390/kernel/perf_event.c
index a6fc037..500aa10 100644
--- a/arch/s390/kernel/perf_event.c
+++ b/arch/s390/kernel/perf_event.c
@@ -52,12 +52,13 @@ static struct kvm_s390_sie_block *sie_block(struct pt_regs *regs)
static bool is_in_guest(struct pt_regs *regs)
{
- unsigned long ip = instruction_pointer(regs);
-
if (user_mode(regs))
return false;
-
- return ip == (unsigned long) &sie_exit;
+#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE)
+ return instruction_pointer(regs) == (unsigned long) &sie_exit;
+#else
+ return false;
+#endif
}
static unsigned long guest_is_user_mode(struct pt_regs *regs)
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 497451e..aeed8a6 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -994,6 +994,7 @@ static void __init setup_hwcaps(void)
strcpy(elf_platform, "z196");
break;
case 0x2827:
+ case 0x2828:
strcpy(elf_platform, "zEC12");
break;
}
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index ba694d2..34c1c9a 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -702,14 +702,25 @@ static int __vcpu_run(struct kvm_vcpu *vcpu)
return rc;
vcpu->arch.sie_block->icptcode = 0;
- preempt_disable();
- kvm_guest_enter();
- preempt_enable();
VCPU_EVENT(vcpu, 6, "entering sie flags %x",
atomic_read(&vcpu->arch.sie_block->cpuflags));
trace_kvm_s390_sie_enter(vcpu,
atomic_read(&vcpu->arch.sie_block->cpuflags));
+
+ /*
+ * As PF_VCPU will be used in fault handler, between guest_enter
+ * and guest_exit should be no uaccess.
+ */
+ preempt_disable();
+ kvm_guest_enter();
+ preempt_enable();
rc = sie64a(vcpu->arch.sie_block, vcpu->run->s.regs.gprs);
+ kvm_guest_exit();
+
+ VCPU_EVENT(vcpu, 6, "exit sie icptcode %d",
+ vcpu->arch.sie_block->icptcode);
+ trace_kvm_s390_sie_exit(vcpu, vcpu->arch.sie_block->icptcode);
+
if (rc > 0)
rc = 0;
if (rc < 0) {
@@ -721,10 +732,6 @@ static int __vcpu_run(struct kvm_vcpu *vcpu)
rc = kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
}
}
- VCPU_EVENT(vcpu, 6, "exit sie icptcode %d",
- vcpu->arch.sie_block->icptcode);
- trace_kvm_s390_sie_exit(vcpu, vcpu->arch.sie_block->icptcode);
- kvm_guest_exit();
memcpy(&vcpu->run->s.regs.gprs[14], &vcpu->arch.sie_block->gg14, 16);
return rc;
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 0da3e6e..4cdc54e 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -16,6 +16,7 @@
#include <linux/errno.h>
#include <linux/compat.h>
#include <asm/asm-offsets.h>
+#include <asm/facility.h>
#include <asm/current.h>
#include <asm/debug.h>
#include <asm/ebcdic.h>
@@ -532,8 +533,7 @@ static int handle_pfmf(struct kvm_vcpu *vcpu)
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
/* Only provide non-quiescing support if the host supports it */
- if (vcpu->run->s.regs.gprs[reg1] & PFMF_NQ &&
- S390_lowcore.stfl_fac_list & 0x00020000)
+ if (vcpu->run->s.regs.gprs[reg1] & PFMF_NQ && !test_facility(14))
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
/* No support for conditional-SSKE */
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index ce36ea8..ad446b0 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -69,6 +69,7 @@ static void __init setup_zero_pages(void)
order = 2;
break;
case 0x2827: /* zEC12 */
+ case 0x2828: /* zEC12 */
default:
order = 5;
break;
diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c
index ffeb17c..930783d 100644
--- a/arch/s390/oprofile/init.c
+++ b/arch/s390/oprofile/init.c
@@ -440,7 +440,7 @@ static int oprofile_hwsampler_init(struct oprofile_operations *ops)
switch (id.machine) {
case 0x2097: case 0x2098: ops->cpu_type = "s390/z10"; break;
case 0x2817: case 0x2818: ops->cpu_type = "s390/z196"; break;
- case 0x2827: ops->cpu_type = "s390/zEC12"; break;
+ case 0x2827: case 0x2828: ops->cpu_type = "s390/zEC12"; break;
default: return -ENODEV;
}
}
diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index d606463..b7388a4 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -225,7 +225,7 @@ static void low_free(unsigned long size, unsigned long addr)
unsigned long nr_pages;
nr_pages = round_up(size, EFI_PAGE_SIZE) / EFI_PAGE_SIZE;
- efi_call_phys2(sys_table->boottime->free_pages, addr, size);
+ efi_call_phys2(sys_table->boottime->free_pages, addr, nr_pages);
}
static void find_bits(unsigned long mask, u8 *pos, u8 *size)
diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c
index 3048ded..59554dc 100644
--- a/arch/x86/kernel/amd_nb.c
+++ b/arch/x86/kernel/amd_nb.c
@@ -20,6 +20,7 @@ const struct pci_device_id amd_nb_misc_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_10H_NB_MISC) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F3) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_M10H_F3) },
+ { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_M30H_NB_F3) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_16H_NB_F3) },
{}
};
@@ -27,6 +28,7 @@ EXPORT_SYMBOL(amd_nb_misc_ids);
static const struct pci_device_id amd_nb_link_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_NB_F4) },
+ { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_15H_M30H_NB_F4) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_16H_NB_F4) },
{}
};
@@ -81,13 +83,20 @@ int amd_cache_northbridges(void)
next_northbridge(misc, amd_nb_misc_ids);
node_to_amd_nb(i)->link = link =
next_northbridge(link, amd_nb_link_ids);
- }
+ }
+ /* GART present only on Fam15h upto model 0fh */
if (boot_cpu_data.x86 == 0xf || boot_cpu_data.x86 == 0x10 ||
- boot_cpu_data.x86 == 0x15)
+ (boot_cpu_data.x86 == 0x15 && boot_cpu_data.x86_model < 0x10))
amd_northbridges.flags |= AMD_NB_GART;
/*
+ * Check for L3 cache presence.
+ */
+ if (!cpuid_edx(0x80000006))
+ return 0;
+
+ /*
* Some CPU families support L3 Cache Index Disable. There are some
* limitations because of E382 and E388 on family 0x10.
*/
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 94ab6b9..63bdb29 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -196,15 +196,23 @@ static void __init ati_bugs_contd(int num, int slot, int func)
static void __init intel_remapping_check(int num, int slot, int func)
{
u8 revision;
+ u16 device;
+ device = read_pci_config_16(num, slot, func, PCI_DEVICE_ID);
revision = read_pci_config_byte(num, slot, func, PCI_REVISION_ID);
/*
- * Revision 0x13 of this chipset supports irq remapping
- * but has an erratum that breaks its behavior, flag it as such
+ * Revision 13 of all triggering devices id in this quirk have
+ * a problem draining interrupts when irq remapping is enabled,
+ * and should be flagged as broken. Additionally revisions 0x12
+ * and 0x22 of device id 0x3405 has this problem.
*/
if (revision == 0x13)
set_irq_remapping_broken();
+ else if ((device == 0x3405) &&
+ ((revision == 0x12) ||
+ (revision == 0x22)))
+ set_irq_remapping_broken();
}
@@ -239,6 +247,8 @@ static struct chipset early_qrk[] __initdata = {
PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs_contd },
{ PCI_VENDOR_ID_INTEL, 0x3403, PCI_CLASS_BRIDGE_HOST,
PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check },
+ { PCI_VENDOR_ID_INTEL, 0x3405, PCI_CLASS_BRIDGE_HOST,
+ PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check },
{ PCI_VENDOR_ID_INTEL, 0x3406, PCI_CLASS_BRIDGE_HOST,
PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check },
{}
diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
index 202d24f..5d576ab 100644
--- a/arch/x86/kernel/i387.c
+++ b/arch/x86/kernel/i387.c
@@ -116,7 +116,7 @@ static void mxcsr_feature_mask_init(void)
if (cpu_has_fxsr) {
memset(&fx_scratch, 0, sizeof(struct i387_fxsave_struct));
- asm volatile("fxsave %0" : : "m" (fx_scratch));
+ asm volatile("fxsave %0" : "+m" (fx_scratch));
mask = fx_scratch.mxcsr_mask;
if (mask == 0)
mask = 0x0000ffbf;
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index 47ebb1d..7a0adb7 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -220,12 +220,13 @@ int apply_microcode_amd(int cpu)
return 0;
}
- if (__apply_microcode_amd(mc_amd))
+ if (__apply_microcode_amd(mc_amd)) {
pr_err("CPU%d: update failed for patch_level=0x%08x\n",
cpu, mc_amd->hdr.patch_id);
- else
- pr_info("CPU%d: new patch_level=0x%08x\n", cpu,
- mc_amd->hdr.patch_id);
+ return -1;
+ }
+ pr_info("CPU%d: new patch_level=0x%08x\n", cpu,
+ mc_amd->hdr.patch_id);
uci->cpu_sig.rev = mc_amd->hdr.patch_id;
c->microcode = mc_amd->hdr.patch_id;
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index fd6c51c..5a74a9c 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -451,7 +451,6 @@ static void acpi_processor_remove(struct acpi_device *device)
/* Clean up. */
per_cpu(processor_device_array, pr->id) = NULL;
per_cpu(processors, pr->id) = NULL;
- try_offline_node(cpu_to_node(pr->id));
/* Remove the CPU. */
get_online_cpus();
@@ -459,6 +458,8 @@ static void acpi_processor_remove(struct acpi_device *device)
acpi_unmap_lsapic(pr->id);
put_online_cpus();
+ try_offline_node(cpu_to_node(pr->id));
+
out:
free_cpumask_var(pr->throttling.shared_cpu_map);
kfree(pr);
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index f680957..408f6b2 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -31,6 +31,7 @@ static LIST_HEAD(bus_type_list);
static DECLARE_RWSEM(bus_type_sem);
#define PHYSICAL_NODE_STRING "physical_node"
+#define PHYSICAL_NODE_NAME_SIZE (sizeof(PHYSICAL_NODE_STRING) + 10)
int register_acpi_bus_type(struct acpi_bus_type *type)
{
@@ -78,41 +79,108 @@ static struct acpi_bus_type *acpi_get_bus_type(struct device *dev)
return ret;
}
-static acpi_status do_acpi_find_child(acpi_handle handle, u32 lvl_not_used,
- void *addr_p, void **ret_p)
+static acpi_status acpi_dev_present(acpi_handle handle, u32 lvl_not_used,
+ void *not_used, void **ret_p)
{
- unsigned long long addr, sta;
- acpi_status status;
+ struct acpi_device *adev = NULL;
- status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL, &addr);
- if (ACPI_SUCCESS(status) && addr == *((u64 *)addr_p)) {
+ acpi_bus_get_device(handle, &adev);
+ if (adev) {
*ret_p = handle;
- status = acpi_bus_get_status_handle(handle, &sta);
- if (ACPI_SUCCESS(status) && (sta & ACPI_STA_DEVICE_ENABLED))
- return AE_CTRL_TERMINATE;
+ return AE_CTRL_TERMINATE;
}
return AE_OK;
}
-acpi_handle acpi_get_child(acpi_handle parent, u64 address)
+static bool acpi_extra_checks_passed(acpi_handle handle, bool is_bridge)
{
- void *ret = NULL;
+ unsigned long long sta;
+ acpi_status status;
+
+ status = acpi_bus_get_status_handle(handle, &sta);
+ if (ACPI_FAILURE(status) || !(sta & ACPI_STA_DEVICE_ENABLED))
+ return false;
+
+ if (is_bridge) {
+ void *test = NULL;
+
+ /* Check if this object has at least one child device. */
+ acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, 1,
+ acpi_dev_present, NULL, NULL, &test);
+ return !!test;
+ }
+ return true;
+}
+
+struct find_child_context {
+ u64 addr;
+ bool is_bridge;
+ acpi_handle ret;
+ bool ret_checked;
+};
+
+static acpi_status do_find_child(acpi_handle handle, u32 lvl_not_used,
+ void *data, void **not_used)
+{
+ struct find_child_context *context = data;
+ unsigned long long addr;
+ acpi_status status;
- if (!parent)
- return NULL;
+ status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL, &addr);
+ if (ACPI_FAILURE(status) || addr != context->addr)
+ return AE_OK;
- acpi_walk_namespace(ACPI_TYPE_DEVICE, parent, 1, NULL,
- do_acpi_find_child, &address, &ret);
- return (acpi_handle)ret;
+ if (!context->ret) {
+ /* This is the first matching object. Save its handle. */
+ context->ret = handle;
+ return AE_OK;
+ }
+ /*
+ * There is more than one matching object with the same _ADR value.
+ * That really is unexpected, so we are kind of beyond the scope of the
+ * spec here. We have to choose which one to return, though.
+ *
+ * First, check if the previously found object is good enough and return
+ * its handle if so. Second, check the same for the object that we've
+ * just found.
+ */
+ if (!context->ret_checked) {
+ if (acpi_extra_checks_passed(context->ret, context->is_bridge))
+ return AE_CTRL_TERMINATE;
+ else
+ context->ret_checked = true;
+ }
+ if (acpi_extra_checks_passed(handle, context->is_bridge)) {
+ context->ret = handle;
+ return AE_CTRL_TERMINATE;
+ }
+ return AE_OK;
}
-EXPORT_SYMBOL(acpi_get_child);
+
+acpi_handle acpi_find_child(acpi_handle parent, u64 addr, bool is_bridge)
+{
+ if (parent) {
+ struct find_child_context context = {
+ .addr = addr,
+ .is_bridge = is_bridge,
+ };
+
+ acpi_walk_namespace(ACPI_TYPE_DEVICE, parent, 1, do_find_child,
+ NULL, &context, NULL);
+ return context.ret;
+ }
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(acpi_find_child);
int acpi_bind_one(struct device *dev, acpi_handle handle)
{
struct acpi_device *acpi_dev;
acpi_status status;
struct acpi_device_physical_node *physical_node, *pn;
- char physical_node_name[sizeof(PHYSICAL_NODE_STRING) + 2];
+ char physical_node_name[PHYSICAL_NODE_NAME_SIZE];
+ struct list_head *physnode_list;
+ unsigned int node_id;
int retval = -EINVAL;
if (ACPI_HANDLE(dev)) {
@@ -139,25 +207,27 @@ int acpi_bind_one(struct device *dev, acpi_handle handle)
mutex_lock(&acpi_dev->physical_node_lock);
- /* Sanity check. */
- list_for_each_entry(pn, &acpi_dev->physical_node_list, node)
+ /*
+ * Keep the list sorted by node_id so that the IDs of removed nodes can
+ * be recycled easily.
+ */
+ physnode_list = &acpi_dev->physical_node_list;
+ node_id = 0;
+ list_for_each_entry(pn, &acpi_dev->physical_node_list, node) {
+ /* Sanity check. */
if (pn->dev == dev) {
dev_warn(dev, "Already associated with ACPI node\n");
goto err_free;
}
-
- /* allocate physical node id according to physical_node_id_bitmap */
- physical_node->node_id =
- find_first_zero_bit(acpi_dev->physical_node_id_bitmap,
- ACPI_MAX_PHYSICAL_NODE);
- if (physical_node->node_id >= ACPI_MAX_PHYSICAL_NODE) {
- retval = -ENOSPC;
- goto err_free;
+ if (pn->node_id == node_id) {
+ physnode_list = &pn->node;
+ node_id++;
+ }
}
- set_bit(physical_node->node_id, acpi_dev->physical_node_id_bitmap);
+ physical_node->node_id = node_id;
physical_node->dev = dev;
- list_add_tail(&physical_node->node, &acpi_dev->physical_node_list);
+ list_add(&physical_node->node, physnode_list);
acpi_dev->physical_node_count++;
mutex_unlock(&acpi_dev->physical_node_lock);
@@ -208,7 +278,7 @@ int acpi_unbind_one(struct device *dev)
mutex_lock(&acpi_dev->physical_node_lock);
list_for_each_safe(node, next, &acpi_dev->physical_node_list) {
- char physical_node_name[sizeof(PHYSICAL_NODE_STRING) + 2];
+ char physical_node_name[PHYSICAL_NODE_NAME_SIZE];
entry = list_entry(node, struct acpi_device_physical_node,
node);
@@ -216,7 +286,6 @@ int acpi_unbind_one(struct device *dev)
continue;
list_del(node);
- clear_bit(entry->node_id, acpi_dev->physical_node_id_bitmap);
acpi_dev->physical_node_count--;
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c
index aa1227a..04a1378 100644
--- a/drivers/acpi/proc.c
+++ b/drivers/acpi/proc.c
@@ -311,6 +311,8 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
dev->pnp.bus_id,
(u32) dev->wakeup.sleep_state);
+ mutex_lock(&dev->physical_node_lock);
+
if (!dev->physical_node_count) {
seq_printf(seq, "%c%-8s\n",
dev->wakeup.flags.run_wake ? '*' : ' ',
@@ -338,6 +340,8 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
put_device(ldev);
}
}
+
+ mutex_unlock(&dev->physical_node_lock);
}
mutex_unlock(&acpi_device_lock);
return 0;
@@ -347,12 +351,16 @@ static void physical_device_enable_wakeup(struct acpi_device *adev)
{
struct acpi_device_physical_node *entry;
+ mutex_lock(&adev->physical_node_lock);
+
list_for_each_entry(entry,
&adev->physical_node_list, node)
if (entry->dev && device_can_wakeup(entry->dev)) {
bool enable = !device_may_wakeup(entry->dev);
device_set_wakeup_enable(entry->dev, enable);
}
+
+ mutex_unlock(&adev->physical_node_lock);
}
static ssize_t
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 0ec434d..e1284b8 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -689,7 +689,7 @@ static int acpi_video_bqc_quirk(struct acpi_video_device *device,
* Some systems always report current brightness level as maximum
* through _BQC, we need to test another value for them.
*/
- test_level = current_level == max_level ? br->levels[2] : max_level;
+ test_level = current_level == max_level ? br->levels[3] : max_level;
result = acpi_video_device_lcd_set_level(device, test_level);
if (result)
diff --git a/drivers/ata/pata_imx.c b/drivers/ata/pata_imx.c
index 4ec7c04..26386f0 100644
--- a/drivers/ata/pata_imx.c
+++ b/drivers/ata/pata_imx.c
@@ -237,6 +237,7 @@ static const struct of_device_id imx_pata_dt_ids[] = {
/* sentinel */
}
};
+MODULE_DEVICE_TABLE(of, imx_pata_dt_ids);
static struct platform_driver pata_imx_driver = {
.probe = pata_imx_probe,
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index e691026..3455f83 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -719,7 +719,8 @@ static int regcache_sync_block_raw(struct regmap *map, void *block,
}
}
- return regcache_sync_block_raw_flush(map, &data, base, regtmp);
+ return regcache_sync_block_raw_flush(map, &data, base, regtmp +
+ map->reg_stride);
}
int regcache_sync_block(struct regmap *map, void *block,
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 1b456fe..fc45567 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -272,9 +272,12 @@ static struct port *find_port_by_devt_in_portdev(struct ports_device *portdev,
unsigned long flags;
spin_lock_irqsave(&portdev->ports_lock, flags);
- list_for_each_entry(port, &portdev->ports, list)
- if (port->cdev->dev == dev)
+ list_for_each_entry(port, &portdev->ports, list) {
+ if (port->cdev->dev == dev) {
+ kref_get(&port->kref);
goto out;
+ }
+ }
port = NULL;
out:
spin_unlock_irqrestore(&portdev->ports_lock, flags);
@@ -746,6 +749,10 @@ static ssize_t port_fops_read(struct file *filp, char __user *ubuf,
port = filp->private_data;
+ /* Port is hot-unplugged. */
+ if (!port->guest_connected)
+ return -ENODEV;
+
if (!port_has_data(port)) {
/*
* If nothing's connected on the host just return 0 in
@@ -762,7 +769,7 @@ static ssize_t port_fops_read(struct file *filp, char __user *ubuf,
if (ret < 0)
return ret;
}
- /* Port got hot-unplugged. */
+ /* Port got hot-unplugged while we were waiting above. */
if (!port->guest_connected)
return -ENODEV;
/*
@@ -932,13 +939,25 @@ static ssize_t port_fops_splice_write(struct pipe_inode_info *pipe,
if (is_rproc_serial(port->out_vq->vdev))
return -EINVAL;
+ /*
+ * pipe->nrbufs == 0 means there are no data to transfer,
+ * so this returns just 0 for no data.
+ */
+ pipe_lock(pipe);
+ if (!pipe->nrbufs) {
+ ret = 0;
+ goto error_out;
+ }
+
ret = wait_port_writable(port, filp->f_flags & O_NONBLOCK);
if (ret < 0)
- return ret;
+ goto error_out;
buf = alloc_buf(port->out_vq, 0, pipe->nrbufs);
- if (!buf)
- return -ENOMEM;
+ if (!buf) {
+ ret = -ENOMEM;
+ goto error_out;
+ }
sgl.n = 0;
sgl.len = 0;
@@ -946,12 +965,17 @@ static ssize_t port_fops_splice_write(struct pipe_inode_info *pipe,
sgl.sg = buf->sg;
sg_init_table(sgl.sg, sgl.size);
ret = __splice_from_pipe(pipe, &sd, pipe_to_sg);
+ pipe_unlock(pipe);
if (likely(ret > 0))
ret = __send_to_port(port, buf->sg, sgl.n, sgl.len, buf, true);
if (unlikely(ret <= 0))
free_buf(buf, true);
return ret;
+
+error_out:
+ pipe_unlock(pipe);
+ return ret;
}
static unsigned int port_fops_poll(struct file *filp, poll_table *wait)
@@ -1019,14 +1043,14 @@ static int port_fops_open(struct inode *inode, struct file *filp)
struct port *port;
int ret;
+ /* We get the port with a kref here */
port = find_port_by_devt(cdev->dev);
+ if (!port) {
+ /* Port was unplugged before we could proceed */
+ return -ENXIO;
+ }
filp->private_data = port;
- /* Prevent against a port getting hot-unplugged at the same time */
- spin_lock_irq(&port->portdev->ports_lock);
- kref_get(&port->kref);
- spin_unlock_irq(&port->portdev->ports_lock);
-
/*
* Don't allow opening of console port devices -- that's done
* via /dev/hvc
@@ -1498,14 +1522,6 @@ static void remove_port(struct kref *kref)
port = container_of(kref, struct port, kref);
- sysfs_remove_group(&port->dev->kobj, &port_attribute_group);
- device_destroy(pdrvdata.class, port->dev->devt);
- cdev_del(port->cdev);
-
- kfree(port->name);
-
- debugfs_remove(port->debugfs_file);
-
kfree(port);
}
@@ -1539,12 +1555,14 @@ static void unplug_port(struct port *port)
spin_unlock_irq(&port->portdev->ports_lock);
if (port->guest_connected) {
+ /* Let the app know the port is going down. */
+ send_sigio_to_port(port);
+
+ /* Do this after sigio is actually sent */
port->guest_connected = false;
port->host_connected = false;
- wake_up_interruptible(&port->waitqueue);
- /* Let the app know the port is going down. */
- send_sigio_to_port(port);
+ wake_up_interruptible(&port->waitqueue);
}
if (is_console_port(port)) {
@@ -1563,6 +1581,14 @@ static void unplug_port(struct port *port)
*/
port->portdev = NULL;
+ sysfs_remove_group(&port->dev->kobj, &port_attribute_group);
+ device_destroy(pdrvdata.class, port->dev->devt);
+ cdev_del(port->cdev);
+
+ kfree(port->name);
+
+ debugfs_remove(port->debugfs_file);
+
/*
* Locks around here are not necessary - a port can't be
* opened after we removed the port struct from ports_list
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 0ceb2ef..f97cb3d 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -221,8 +221,8 @@ static ssize_t store_down_threshold(struct dbs_data *dbs_data, const char *buf,
return count;
}
-static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf,
- size_t count)
+static ssize_t store_ignore_nice_load(struct dbs_data *dbs_data,
+ const char *buf, size_t count)
{
struct cs_dbs_tuners *cs_tuners = dbs_data->tuners;
unsigned int input, j;
@@ -235,10 +235,10 @@ static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf,
if (input > 1)
input = 1;
- if (input == cs_tuners->ignore_nice) /* nothing to do */
+ if (input == cs_tuners->ignore_nice_load) /* nothing to do */
return count;
- cs_tuners->ignore_nice = input;
+ cs_tuners->ignore_nice_load = input;
/* we need to re-evaluate prev_cpu_idle */
for_each_online_cpu(j) {
@@ -246,7 +246,7 @@ static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf,
dbs_info = &per_cpu(cs_cpu_dbs_info, j);
dbs_info->cdbs.prev_cpu_idle = get_cpu_idle_time(j,
&dbs_info->cdbs.prev_cpu_wall, 0);
- if (cs_tuners->ignore_nice)
+ if (cs_tuners->ignore_nice_load)
dbs_info->cdbs.prev_cpu_nice =
kcpustat_cpu(j).cpustat[CPUTIME_NICE];
}
@@ -279,7 +279,7 @@ show_store_one(cs, sampling_rate);
show_store_one(cs, sampling_down_factor);
show_store_one(cs, up_threshold);
show_store_one(cs, down_threshold);
-show_store_one(cs, ignore_nice);
+show_store_one(cs, ignore_nice_load);
show_store_one(cs, freq_step);
declare_show_sampling_rate_min(cs);
@@ -287,7 +287,7 @@ gov_sys_pol_attr_rw(sampling_rate);
gov_sys_pol_attr_rw(sampling_down_factor);
gov_sys_pol_attr_rw(up_threshold);
gov_sys_pol_attr_rw(down_threshold);
-gov_sys_pol_attr_rw(ignore_nice);
+gov_sys_pol_attr_rw(ignore_nice_load);
gov_sys_pol_attr_rw(freq_step);
gov_sys_pol_attr_ro(sampling_rate_min);
@@ -297,7 +297,7 @@ static struct attribute *dbs_attributes_gov_sys[] = {
&sampling_down_factor_gov_sys.attr,
&up_threshold_gov_sys.attr,
&down_threshold_gov_sys.attr,
- &ignore_nice_gov_sys.attr,
+ &ignore_nice_load_gov_sys.attr,
&freq_step_gov_sys.attr,
NULL
};
@@ -313,7 +313,7 @@ static struct attribute *dbs_attributes_gov_pol[] = {
&sampling_down_factor_gov_pol.attr,
&up_threshold_gov_pol.attr,
&down_threshold_gov_pol.attr,
- &ignore_nice_gov_pol.attr,
+ &ignore_nice_load_gov_pol.attr,
&freq_step_gov_pol.attr,
NULL
};
@@ -338,7 +338,7 @@ static int cs_init(struct dbs_data *dbs_data)
tuners->up_threshold = DEF_FREQUENCY_UP_THRESHOLD;
tuners->down_threshold = DEF_FREQUENCY_DOWN_THRESHOLD;
tuners->sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR;
- tuners->ignore_nice = 0;
+ tuners->ignore_nice_load = 0;
tuners->freq_step = DEF_FREQUENCY_STEP;
dbs_data->tuners = tuners;
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
index 7b839a8..e59afaa 100644
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -47,9 +47,9 @@ void dbs_check_cpu(struct dbs_data *dbs_data, int cpu)
unsigned int j;
if (dbs_data->cdata->governor == GOV_ONDEMAND)
- ignore_nice = od_tuners->ignore_nice;
+ ignore_nice = od_tuners->ignore_nice_load;
else
- ignore_nice = cs_tuners->ignore_nice;
+ ignore_nice = cs_tuners->ignore_nice_load;
policy = cdbs->cur_policy;
@@ -298,12 +298,12 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy,
cs_tuners = dbs_data->tuners;
cs_dbs_info = dbs_data->cdata->get_cpu_dbs_info_s(cpu);
sampling_rate = cs_tuners->sampling_rate;
- ignore_nice = cs_tuners->ignore_nice;
+ ignore_nice = cs_tuners->ignore_nice_load;
} else {
od_tuners = dbs_data->tuners;
od_dbs_info = dbs_data->cdata->get_cpu_dbs_info_s(cpu);
sampling_rate = od_tuners->sampling_rate;
- ignore_nice = od_tuners->ignore_nice;
+ ignore_nice = od_tuners->ignore_nice_load;
od_ops = dbs_data->cdata->gov_ops;
io_busy = od_tuners->io_is_busy;
}
diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h
index 6663ec3..d5f12b4 100644
--- a/drivers/cpufreq/cpufreq_governor.h
+++ b/drivers/cpufreq/cpufreq_governor.h
@@ -165,7 +165,7 @@ struct cs_cpu_dbs_info_s {
/* Per policy Governers sysfs tunables */
struct od_dbs_tuners {
- unsigned int ignore_nice;
+ unsigned int ignore_nice_load;
unsigned int sampling_rate;
unsigned int sampling_down_factor;
unsigned int up_threshold;
@@ -175,7 +175,7 @@ struct od_dbs_tuners {
};
struct cs_dbs_tuners {
- unsigned int ignore_nice;
+ unsigned int ignore_nice_load;
unsigned int sampling_rate;
unsigned int sampling_down_factor;
unsigned int up_threshold;
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 93eb5cb..c087347 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -403,8 +403,8 @@ static ssize_t store_sampling_down_factor(struct dbs_data *dbs_data,
return count;
}
-static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf,
- size_t count)
+static ssize_t store_ignore_nice_load(struct dbs_data *dbs_data,
+ const char *buf, size_t count)
{
struct od_dbs_tuners *od_tuners = dbs_data->tuners;
unsigned int input;
@@ -419,10 +419,10 @@ static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf,
if (input > 1)
input = 1;
- if (input == od_tuners->ignore_nice) { /* nothing to do */
+ if (input == od_tuners->ignore_nice_load) { /* nothing to do */
return count;
}
- od_tuners->ignore_nice = input;
+ od_tuners->ignore_nice_load = input;
/* we need to re-evaluate prev_cpu_idle */
for_each_online_cpu(j) {
@@ -430,7 +430,7 @@ static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf,
dbs_info = &per_cpu(od_cpu_dbs_info, j);
dbs_info->cdbs.prev_cpu_idle = get_cpu_idle_time(j,
&dbs_info->cdbs.prev_cpu_wall, od_tuners->io_is_busy);
- if (od_tuners->ignore_nice)
+ if (od_tuners->ignore_nice_load)
dbs_info->cdbs.prev_cpu_nice =
kcpustat_cpu(j).cpustat[CPUTIME_NICE];
@@ -461,7 +461,7 @@ show_store_one(od, sampling_rate);
show_store_one(od, io_is_busy);
show_store_one(od, up_threshold);
show_store_one(od, sampling_down_factor);
-show_store_one(od, ignore_nice);
+show_store_one(od, ignore_nice_load);
show_store_one(od, powersave_bias);
declare_show_sampling_rate_min(od);
@@ -469,7 +469,7 @@ gov_sys_pol_attr_rw(sampling_rate);
gov_sys_pol_attr_rw(io_is_busy);
gov_sys_pol_attr_rw(up_threshold);
gov_sys_pol_attr_rw(sampling_down_factor);
-gov_sys_pol_attr_rw(ignore_nice);
+gov_sys_pol_attr_rw(ignore_nice_load);
gov_sys_pol_attr_rw(powersave_bias);
gov_sys_pol_attr_ro(sampling_rate_min);
@@ -478,7 +478,7 @@ static struct attribute *dbs_attributes_gov_sys[] = {
&sampling_rate_gov_sys.attr,
&up_threshold_gov_sys.attr,
&sampling_down_factor_gov_sys.attr,
- &ignore_nice_gov_sys.attr,
+ &ignore_nice_load_gov_sys.attr,
&powersave_bias_gov_sys.attr,
&io_is_busy_gov_sys.attr,
NULL
@@ -494,7 +494,7 @@ static struct attribute *dbs_attributes_gov_pol[] = {
&sampling_rate_gov_pol.attr,
&up_threshold_gov_pol.attr,
&sampling_down_factor_gov_pol.attr,
- &ignore_nice_gov_pol.attr,
+ &ignore_nice_load_gov_pol.attr,
&powersave_bias_gov_pol.attr,
&io_is_busy_gov_pol.attr,
NULL
@@ -544,7 +544,7 @@ static int od_init(struct dbs_data *dbs_data)
}
tuners->sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR;
- tuners->ignore_nice = 0;
+ tuners->ignore_nice_load = 0;
tuners->powersave_bias = default_powersave_bias;
tuners->io_is_busy = should_io_be_busy();
diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c
index bb838b9..9536852 100644
--- a/drivers/cpufreq/loongson2_cpufreq.c
+++ b/drivers/cpufreq/loongson2_cpufreq.c
@@ -118,11 +118,6 @@ static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy)
clk_put(cpuclk);
return -EINVAL;
}
- ret = clk_set_rate(cpuclk, rate);
- if (ret) {
- clk_put(cpuclk);
- return ret;
- }
/* clock table init */
for (i = 2;
@@ -130,6 +125,12 @@ static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy)
i++)
loongson2_clockmod_table[i].frequency = (rate * i) / 8;
+ ret = clk_set_rate(cpuclk, rate);
+ if (ret) {
+ clk_put(cpuclk);
+ return ret;
+ }
+
policy->cur = loongson2_cpufreq_get(policy->cpu);
cpufreq_frequency_table_get_attr(&loongson2_clockmod_table[0],
diff --git a/drivers/dma/sh/shdma.c b/drivers/dma/sh/shdma.c
index b67f45f..5039fbc 100644
--- a/drivers/dma/sh/shdma.c
+++ b/drivers/dma/sh/shdma.c
@@ -400,8 +400,8 @@ static size_t sh_dmae_get_partial(struct shdma_chan *schan,
shdma_chan);
struct sh_dmae_desc *sh_desc = container_of(sdesc,
struct sh_dmae_desc, shdma_desc);
- return (sh_desc->hw.tcr - sh_dmae_readl(sh_chan, TCR)) <<
- sh_chan->xmit_shift;
+ return sh_desc->hw.tcr -
+ (sh_dmae_readl(sh_chan, TCR) << sh_chan->xmit_shift);
}
/* Called from error IRQ or NMI */
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 8b6a034..d6c0c65 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -123,7 +123,7 @@ static void f15h_select_dct(struct amd64_pvt *pvt, u8 dct)
u32 reg = 0;
amd64_read_pci_cfg(pvt->F1, DCT_CFG_SEL, &reg);
- reg &= 0xfffffffe;
+ reg &= (pvt->model >= 0x30) ? ~3 : ~1;
reg |= dct;
amd64_write_pci_cfg(pvt->F1, DCT_CFG_SEL, reg);
}
@@ -133,8 +133,9 @@ static int f15_read_dct_pci_cfg(struct amd64_pvt *pvt, int addr, u32 *val,
{
u8 dct = 0;
+ /* For F15 M30h, the second dct is DCT 3, refer to BKDG Section 2.10 */
if (addr >= 0x140 && addr <= 0x1a0) {
- dct = 1;
+ dct = (pvt->model >= 0x30) ? 3 : 1;
addr -= 0x100;
}
@@ -202,11 +203,11 @@ static int amd64_set_scrub_rate(struct mem_ctl_info *mci, u32 bw)
struct amd64_pvt *pvt = mci->pvt_info;
u32 min_scrubrate = 0x5;
- if (boot_cpu_data.x86 == 0xf)
+ if (pvt->fam == 0xf)
min_scrubrate = 0x0;
- /* F15h Erratum #505 */
- if (boot_cpu_data.x86 == 0x15)
+ /* Erratum #505 for F15h Model 0x00 - Model 0x01, Stepping 0 */
+ if (pvt->fam == 0x15 && pvt->model <= 0x01 && pvt->stepping < 0x1)
f15h_select_dct(pvt, 0);
return __amd64_set_scrub_rate(pvt->F3, bw, min_scrubrate);
@@ -218,8 +219,8 @@ static int amd64_get_scrub_rate(struct mem_ctl_info *mci)
u32 scrubval = 0;
int i, retval = -EINVAL;
- /* F15h Erratum #505 */
- if (boot_cpu_data.x86 == 0x15)
+ /* Erratum #505 for F15h Model 0x00 - Model 0x01, Stepping 0 */
+ if (pvt->fam == 0x15 && pvt->model <= 0x01 && pvt->stepping < 0x1)
f15h_select_dct(pvt, 0);
amd64_read_pci_cfg(pvt->F3, SCRCTRL, &scrubval);
@@ -335,7 +336,7 @@ static void get_cs_base_and_mask(struct amd64_pvt *pvt, int csrow, u8 dct,
u64 csbase, csmask, base_bits, mask_bits;
u8 addr_shift;
- if (boot_cpu_data.x86 == 0xf && pvt->ext_model < K8_REV_F) {
+ if (pvt->fam == 0xf && pvt->ext_model < K8_REV_F) {
csbase = pvt->csels[dct].csbases[csrow];
csmask = pvt->csels[dct].csmasks[csrow];
base_bits = GENMASK(21, 31) | GENMASK(9, 15);
@@ -343,10 +344,11 @@ static void get_cs_base_and_mask(struct amd64_pvt *pvt, int csrow, u8 dct,
addr_shift = 4;
/*
- * F16h needs two addr_shift values: 8 for high and 6 for low
- * (cf. F16h BKDG).
- */
- } else if (boot_cpu_data.x86 == 0x16) {
+ * F16h and F15h, models 30h and later need two addr_shift values:
+ * 8 for high and 6 for low (cf. F16h BKDG).
+ */
+ } else if (pvt->fam == 0x16 ||
+ (pvt->fam == 0x15 && pvt->model >= 0x30)) {
csbase = pvt->csels[dct].csbases[csrow];
csmask = pvt->csels[dct].csmasks[csrow >> 1];
@@ -367,7 +369,7 @@ static void get_cs_base_and_mask(struct amd64_pvt *pvt, int csrow, u8 dct,
csmask = pvt->csels[dct].csmasks[csrow >> 1];
addr_shift = 8;
- if (boot_cpu_data.x86 == 0x15)
+ if (pvt->fam == 0x15)
base_bits = mask_bits = GENMASK(19,30) | GENMASK(5,13);
else
base_bits = mask_bits = GENMASK(19,28) | GENMASK(5,13);
@@ -447,14 +449,14 @@ int amd64_get_dram_hole_info(struct mem_ctl_info *mci, u64 *hole_base,
struct amd64_pvt *pvt = mci->pvt_info;
/* only revE and later have the DRAM Hole Address Register */
- if (boot_cpu_data.x86 == 0xf && pvt->ext_model < K8_REV_E) {
+ if (pvt->fam == 0xf && pvt->ext_model < K8_REV_E) {
edac_dbg(1, " revision %d for node %d does not support DHAR\n",
pvt->ext_model, pvt->mc_node_id);
return 1;
}
/* valid for Fam10h and above */
- if (boot_cpu_data.x86 >= 0x10 && !dhar_mem_hoist_valid(pvt)) {
+ if (pvt->fam >= 0x10 && !dhar_mem_hoist_valid(pvt)) {
edac_dbg(1, " Dram Memory Hoisting is DISABLED on this system\n");
return 1;
}
@@ -486,10 +488,8 @@ int amd64_get_dram_hole_info(struct mem_ctl_info *mci, u64 *hole_base,
*hole_base = dhar_base(pvt);
*hole_size = (1ULL << 32) - *hole_base;
- if (boot_cpu_data.x86 > 0xf)
- *hole_offset = f10_dhar_offset(pvt);
- else
- *hole_offset = k8_dhar_offset(pvt);
+ *hole_offset = (pvt->fam > 0xf) ? f10_dhar_offset(pvt)
+ : k8_dhar_offset(pvt);
edac_dbg(1, " DHAR info for node %d base 0x%lx offset 0x%lx size 0x%lx\n",
pvt->mc_node_id, (unsigned long)*hole_base,
@@ -663,7 +663,7 @@ static unsigned long amd64_determine_edac_cap(struct amd64_pvt *pvt)
u8 bit;
unsigned long edac_cap = EDAC_FLAG_NONE;
- bit = (boot_cpu_data.x86 > 0xf || pvt->ext_model >= K8_REV_F)
+ bit = (pvt->fam > 0xf || pvt->ext_model >= K8_REV_F)
? 19
: 17;
@@ -675,7 +675,7 @@ static unsigned long amd64_determine_edac_cap(struct amd64_pvt *pvt)
static void amd64_debug_display_dimm_sizes(struct amd64_pvt *, u8);
-static void amd64_dump_dramcfg_low(u32 dclr, int chan)
+static void amd64_dump_dramcfg_low(struct amd64_pvt *pvt, u32 dclr, int chan)
{
edac_dbg(1, "F2x%d90 (DRAM Cfg Low): 0x%08x\n", chan, dclr);
@@ -686,7 +686,7 @@ static void amd64_dump_dramcfg_low(u32 dclr, int chan)
edac_dbg(1, " PAR/ERR parity: %s\n",
(dclr & BIT(8)) ? "enabled" : "disabled");
- if (boot_cpu_data.x86 == 0x10)
+ if (pvt->fam == 0x10)
edac_dbg(1, " DCT 128bit mode width: %s\n",
(dclr & BIT(11)) ? "128b" : "64b");
@@ -709,21 +709,21 @@ static void dump_misc_regs(struct amd64_pvt *pvt)
(pvt->nbcap & NBCAP_SECDED) ? "yes" : "no",
(pvt->nbcap & NBCAP_CHIPKILL) ? "yes" : "no");
- amd64_dump_dramcfg_low(pvt->dclr0, 0);
+ amd64_dump_dramcfg_low(pvt, pvt->dclr0, 0);
edac_dbg(1, "F3xB0 (Online Spare): 0x%08x\n", pvt->online_spare);
edac_dbg(1, "F1xF0 (DRAM Hole Address): 0x%08x, base: 0x%08x, offset: 0x%08x\n",
pvt->dhar, dhar_base(pvt),
- (boot_cpu_data.x86 == 0xf) ? k8_dhar_offset(pvt)
- : f10_dhar_offset(pvt));
+ (pvt->fam == 0xf) ? k8_dhar_offset(pvt)
+ : f10_dhar_offset(pvt));
edac_dbg(1, " DramHoleValid: %s\n", dhar_valid(pvt) ? "yes" : "no");
amd64_debug_display_dimm_sizes(pvt, 0);
/* everything below this point is Fam10h and above */
- if (boot_cpu_data.x86 == 0xf)
+ if (pvt->fam == 0xf)
return;
amd64_debug_display_dimm_sizes(pvt, 1);
@@ -732,17 +732,20 @@ static void dump_misc_regs(struct amd64_pvt *pvt)
/* Only if NOT ganged does dclr1 have valid info */
if (!dct_ganging_enabled(pvt))
- amd64_dump_dramcfg_low(pvt->dclr1, 1);
+ amd64_dump_dramcfg_low(pvt, pvt->dclr1, 1);
}
/*
- * see BKDG, F2x[1,0][5C:40], F2[1,0][6C:60]
+ * See BKDG, F2x[1,0][5C:40], F2[1,0][6C:60]
*/
static void prep_chip_selects(struct amd64_pvt *pvt)
{
- if (boot_cpu_data.x86 == 0xf && pvt->ext_model < K8_REV_F) {
+ if (pvt->fam == 0xf && pvt->ext_model < K8_REV_F) {
pvt->csels[0].b_cnt = pvt->csels[1].b_cnt = 8;
pvt->csels[0].m_cnt = pvt->csels[1].m_cnt = 8;
+ } else if (pvt->fam == 0x15 && pvt->model >= 0x30) {
+ pvt->csels[0].b_cnt = pvt->csels[1].b_cnt = 4;
+ pvt->csels[0].m_cnt = pvt->csels[1].m_cnt = 2;
} else {
pvt->csels[0].b_cnt = pvt->csels[1].b_cnt = 8;
pvt->csels[0].m_cnt = pvt->csels[1].m_cnt = 4;
@@ -768,7 +771,7 @@ static void read_dct_base_mask(struct amd64_pvt *pvt)
edac_dbg(0, " DCSB0[%d]=0x%08x reg: F2x%x\n",
cs, *base0, reg0);
- if (boot_cpu_data.x86 == 0xf || dct_ganging_enabled(pvt))
+ if (pvt->fam == 0xf || dct_ganging_enabled(pvt))
continue;
if (!amd64_read_dct_pci_cfg(pvt, reg1, base1))
@@ -786,7 +789,7 @@ static void read_dct_base_mask(struct amd64_pvt *pvt)
edac_dbg(0, " DCSM0[%d]=0x%08x reg: F2x%x\n",
cs, *mask0, reg0);
- if (boot_cpu_data.x86 == 0xf || dct_ganging_enabled(pvt))
+ if (pvt->fam == 0xf || dct_ganging_enabled(pvt))
continue;
if (!amd64_read_dct_pci_cfg(pvt, reg1, mask1))
@@ -800,9 +803,9 @@ static enum mem_type amd64_determine_memory_type(struct amd64_pvt *pvt, int cs)
enum mem_type type;
/* F15h supports only DDR3 */
- if (boot_cpu_data.x86 >= 0x15)
+ if (pvt->fam >= 0x15)
type = (pvt->dclr0 & BIT(16)) ? MEM_DDR3 : MEM_RDDR3;
- else if (boot_cpu_data.x86 == 0x10 || pvt->ext_model >= K8_REV_F) {
+ else if (pvt->fam == 0x10 || pvt->ext_model >= K8_REV_F) {
if (pvt->dchr0 & DDR3_MODE)
type = (pvt->dclr0 & BIT(16)) ? MEM_DDR3 : MEM_RDDR3;
else
@@ -835,14 +838,13 @@ static int k8_early_channel_count(struct amd64_pvt *pvt)
}
/* On F10h and later ErrAddr is MC4_ADDR[47:1] */
-static u64 get_error_address(struct mce *m)
+static u64 get_error_address(struct amd64_pvt *pvt, struct mce *m)
{
- struct cpuinfo_x86 *c = &boot_cpu_data;
u64 addr;
u8 start_bit = 1;
u8 end_bit = 47;
- if (c->x86 == 0xf) {
+ if (pvt->fam == 0xf) {
start_bit = 3;
end_bit = 39;
}
@@ -852,7 +854,7 @@ static u64 get_error_address(struct mce *m)
/*
* Erratum 637 workaround
*/
- if (c->x86 == 0x15) {
+ if (pvt->fam == 0x15) {
struct amd64_pvt *pvt;
u64 cc6_base, tmp_addr;
u32 tmp;
@@ -916,15 +918,15 @@ static struct pci_dev *pci_get_related_function(unsigned int vendor,
static void read_dram_base_limit_regs(struct amd64_pvt *pvt, unsigned range)
{
struct amd_northbridge *nb;
- struct pci_dev *misc, *f1 = NULL;
- struct cpuinfo_x86 *c = &boot_cpu_data;
+ struct pci_dev *f1 = NULL;
+ unsigned int pci_func;
int off = range << 3;
u32 llim;
amd64_read_pci_cfg(pvt->F1, DRAM_BASE_LO + off, &pvt->ranges[range].base.lo);
amd64_read_pci_cfg(pvt->F1, DRAM_LIMIT_LO + off, &pvt->ranges[range].lim.lo);
- if (c->x86 == 0xf)
+ if (pvt->fam == 0xf)
return;
if (!dram_rw(pvt, range))
@@ -934,15 +936,17 @@ static void read_dram_base_limit_regs(struct amd64_pvt *pvt, unsigned range)
amd64_read_pci_cfg(pvt->F1, DRAM_LIMIT_HI + off, &pvt->ranges[range].lim.hi);
/* F15h: factor in CC6 save area by reading dst node's limit reg */
- if (c->x86 != 0x15)
+ if (pvt->fam != 0x15)
return;
nb = node_to_amd_nb(dram_dst_node(pvt, range));
if (WARN_ON(!nb))
return;
- misc = nb->misc;
- f1 = pci_get_related_function(misc->vendor, PCI_DEVICE_ID_AMD_15H_NB_F1, misc);
+ pci_func = (pvt->model == 0x30) ? PCI_DEVICE_ID_AMD_15H_M30H_NB_F1
+ : PCI_DEVICE_ID_AMD_15H_NB_F1;
+
+ f1 = pci_get_related_function(nb->misc->vendor, pci_func, nb->misc);
if (WARN_ON(!f1))
return;
@@ -1089,7 +1093,7 @@ static int f1x_early_channel_count(struct amd64_pvt *pvt)
int i, j, channels = 0;
/* On F10h, if we are in 128 bit mode, then we are using 2 channels */
- if (boot_cpu_data.x86 == 0x10 && (pvt->dclr0 & WIDTH_128))
+ if (pvt->fam == 0x10 && (pvt->dclr0 & WIDTH_128))
return 2;
/*
@@ -1173,7 +1177,7 @@ static int f15_dbam_to_chip_select(struct amd64_pvt *pvt, u8 dct,
}
/*
- * F16h has only limited cs_modes
+ * F16h and F15h model 30h have only limited cs_modes.
*/
static int f16_dbam_to_chip_select(struct amd64_pvt *pvt, u8 dct,
unsigned cs_mode)
@@ -1190,7 +1194,7 @@ static int f16_dbam_to_chip_select(struct amd64_pvt *pvt, u8 dct,
static void read_dram_ctl_register(struct amd64_pvt *pvt)
{
- if (boot_cpu_data.x86 == 0xf)
+ if (pvt->fam == 0xf)
return;
if (!amd64_read_dct_pci_cfg(pvt, DCT_SEL_LO, &pvt->dct_sel_lo)) {
@@ -1218,6 +1222,29 @@ static void read_dram_ctl_register(struct amd64_pvt *pvt)
}
/*
+ * Determine channel (DCT) based on the interleaving mode (see F15h M30h BKDG,
+ * 2.10.12 Memory Interleaving Modes).
+ */
+static u8 f15_m30h_determine_channel(struct amd64_pvt *pvt, u64 sys_addr,
+ u8 intlv_en, int num_dcts_intlv,
+ u32 dct_sel)
+{
+ u8 channel = 0;
+ u8 select;
+
+ if (!(intlv_en))
+ return (u8)(dct_sel);
+
+ if (num_dcts_intlv == 2) {
+ select = (sys_addr >> 8) & 0x3;
+ channel = select ? 0x3 : 0;
+ } else if (num_dcts_intlv == 4)
+ channel = (sys_addr >> 8) & 0x7;
+
+ return channel;
+}
+
+/*
* Determine channel (DCT) based on the interleaving mode: F10h BKDG, 2.8.9 Memory
* Interleaving Modes.
*/
@@ -1366,6 +1393,10 @@ static int f1x_lookup_addr_in_dct(u64 in_addr, u8 nid, u8 dct)
(in_addr & cs_mask), (cs_base & cs_mask));
if ((in_addr & cs_mask) == (cs_base & cs_mask)) {
+ if (pvt->fam == 0x15 && pvt->model >= 0x30) {
+ cs_found = csrow;
+ break;
+ }
cs_found = f10_process_possible_spare(pvt, dct, csrow);
edac_dbg(1, " MATCH csrow=%d\n", cs_found);
@@ -1384,11 +1415,9 @@ static u64 f1x_swap_interleaved_region(struct amd64_pvt *pvt, u64 sys_addr)
{
u32 swap_reg, swap_base, swap_limit, rgn_size, tmp_addr;
- if (boot_cpu_data.x86 == 0x10) {
+ if (pvt->fam == 0x10) {
/* only revC3 and revE have that feature */
- if (boot_cpu_data.x86_model < 4 ||
- (boot_cpu_data.x86_model < 0xa &&
- boot_cpu_data.x86_mask < 3))
+ if (pvt->model < 4 || (pvt->model < 0xa && pvt->stepping < 3))
return sys_addr;
}
@@ -1492,20 +1521,142 @@ static int f1x_match_to_this_node(struct amd64_pvt *pvt, unsigned range,
return cs_found;
}
-static int f1x_translate_sysaddr_to_cs(struct amd64_pvt *pvt, u64 sys_addr,
- int *chan_sel)
+static int f15_m30h_match_to_this_node(struct amd64_pvt *pvt, unsigned range,
+ u64 sys_addr, int *chan_sel)
+{
+ int cs_found = -EINVAL;
+ int num_dcts_intlv = 0;
+ u64 chan_addr, chan_offset;
+ u64 dct_base, dct_limit;
+ u32 dct_cont_base_reg, dct_cont_limit_reg, tmp;
+ u8 channel, alias_channel, leg_mmio_hole, dct_sel, dct_offset_en;
+
+ u64 dhar_offset = f10_dhar_offset(pvt);
+ u8 intlv_addr = dct_sel_interleave_addr(pvt);
+ u8 node_id = dram_dst_node(pvt, range);
+ u8 intlv_en = dram_intlv_en(pvt, range);
+
+ amd64_read_pci_cfg(pvt->F1, DRAM_CONT_BASE, &dct_cont_base_reg);
+ amd64_read_pci_cfg(pvt->F1, DRAM_CONT_LIMIT, &dct_cont_limit_reg);
+
+ dct_offset_en = (u8) ((dct_cont_base_reg >> 3) & BIT(0));
+ dct_sel = (u8) ((dct_cont_base_reg >> 4) & 0x7);
+
+ edac_dbg(1, "(range %d) SystemAddr= 0x%llx Limit=0x%llx\n",
+ range, sys_addr, get_dram_limit(pvt, range));
+
+ if (!(get_dram_base(pvt, range) <= sys_addr) &&
+ !(get_dram_limit(pvt, range) >= sys_addr))
+ return -EINVAL;
+
+ if (dhar_valid(pvt) &&
+ dhar_base(pvt) <= sys_addr &&
+ sys_addr < BIT_64(32)) {
+ amd64_warn("Huh? Address is in the MMIO hole: 0x%016llx\n",
+ sys_addr);
+ return -EINVAL;
+ }
+
+ /* Verify sys_addr is within DCT Range. */
+ dct_base = (dct_sel_baseaddr(pvt) << 27);
+ dct_limit = (((dct_cont_limit_reg >> 11) & 0x1FFF) << 27) | 0x7FFFFFF;
+
+ if (!(dct_cont_base_reg & BIT(0)) &&
+ !(dct_base <= sys_addr && dct_limit >= sys_addr))
+ return -EINVAL;
+
+ /* Verify number of dct's that participate in channel interleaving. */
+ num_dcts_intlv = (int) hweight8(intlv_en);
+
+ if (!(num_dcts_intlv % 2 == 0) || (num_dcts_intlv > 4))
+ return -EINVAL;
+
+ channel = f15_m30h_determine_channel(pvt, sys_addr, intlv_en,
+ num_dcts_intlv, dct_sel);
+
+ /* Verify we stay within the MAX number of channels allowed */
+ if (channel > 4 || channel < 0)
+ return -EINVAL;
+
+ leg_mmio_hole = (u8) (dct_cont_base_reg >> 1 & BIT(0));
+
+ /* Get normalized DCT addr */
+ if (leg_mmio_hole && (sys_addr >= BIT_64(32)))
+ chan_offset = dhar_offset;
+ else
+ chan_offset = dct_base;
+
+ chan_addr = sys_addr - chan_offset;
+
+ /* remove channel interleave */
+ if (num_dcts_intlv == 2) {
+ if (intlv_addr == 0x4)
+ chan_addr = ((chan_addr >> 9) << 8) |
+ (chan_addr & 0xff);
+ else if (intlv_addr == 0x5)
+ chan_addr = ((chan_addr >> 10) << 9) |
+ (chan_addr & 0x1ff);
+ else
+ return -EINVAL;
+
+ } else if (num_dcts_intlv == 4) {
+ if (intlv_addr == 0x4)
+ chan_addr = ((chan_addr >> 10) << 8) |
+ (chan_addr & 0xff);
+ else if (intlv_addr == 0x5)
+ chan_addr = ((chan_addr >> 11) << 9) |
+ (chan_addr & 0x1ff);
+ else
+ return -EINVAL;
+ }
+
+ if (dct_offset_en) {
+ amd64_read_pci_cfg(pvt->F1,
+ DRAM_CONT_HIGH_OFF + (int) channel * 4,
+ &tmp);
+ chan_addr += ((tmp >> 11) & 0xfff) << 27;
+ }
+
+ f15h_select_dct(pvt, channel);
+
+ edac_dbg(1, " Normalized DCT addr: 0x%llx\n", chan_addr);
+
+ /*
+ * Find Chip select:
+ * if channel = 3, then alias it to 1. This is because, in F15 M30h,
+ * there is support for 4 DCT's, but only 2 are currently functional.
+ * They are DCT0 and DCT3. But we have read all registers of DCT3 into
+ * pvt->csels[1]. So we need to use '1' here to get correct info.
+ * Refer F15 M30h BKDG Section 2.10 and 2.10.3 for clarifications.
+ */
+ alias_channel = (channel == 3) ? 1 : channel;
+
+ cs_found = f1x_lookup_addr_in_dct(chan_addr, node_id, alias_channel);
+
+ if (cs_found >= 0)
+ *chan_sel = alias_channel;
+
+ return cs_found;
+}
+
+static int f1x_translate_sysaddr_to_cs(struct amd64_pvt *pvt,
+ u64 sys_addr,
+ int *chan_sel)
{
int cs_found = -EINVAL;
unsigned range;
for (range = 0; range < DRAM_RANGES; range++) {
-
if (!dram_rw(pvt, range))
continue;
- if ((get_dram_base(pvt, range) <= sys_addr) &&
- (get_dram_limit(pvt, range) >= sys_addr)) {
+ if (pvt->fam == 0x15 && pvt->model >= 0x30)
+ cs_found = f15_m30h_match_to_this_node(pvt, range,
+ sys_addr,
+ chan_sel);
+ else if ((get_dram_base(pvt, range) <= sys_addr) &&
+ (get_dram_limit(pvt, range) >= sys_addr)) {
cs_found = f1x_match_to_this_node(pvt, range,
sys_addr, chan_sel);
if (cs_found >= 0)
@@ -1554,7 +1705,7 @@ static void amd64_debug_display_dimm_sizes(struct amd64_pvt *pvt, u8 ctrl)
u32 *dcsb = ctrl ? pvt->csels[1].csbases : pvt->csels[0].csbases;
u32 dbam = ctrl ? pvt->dbam1 : pvt->dbam0;
- if (boot_cpu_data.x86 == 0xf) {
+ if (pvt->fam == 0xf) {
/* K8 families < revF not supported yet */
if (pvt->ext_model < K8_REV_F)
return;
@@ -1624,6 +1775,17 @@ static struct amd64_family_type amd64_family_types[] = {
.read_dct_pci_cfg = f15_read_dct_pci_cfg,
}
},
+ [F15_M30H_CPUS] = {
+ .ctl_name = "F15h_M30h",
+ .f1_id = PCI_DEVICE_ID_AMD_15H_M30H_NB_F1,
+ .f3_id = PCI_DEVICE_ID_AMD_15H_M30H_NB_F3,
+ .ops = {
+ .early_channel_count = f1x_early_channel_count,
+ .map_sysaddr_to_csrow = f1x_map_sysaddr_to_csrow,
+ .dbam_to_cs = f16_dbam_to_chip_select,
+ .read_dct_pci_cfg = f15_read_dct_pci_cfg,
+ }
+ },
[F16_CPUS] = {
.ctl_name = "F16h",
.f1_id = PCI_DEVICE_ID_AMD_16H_NB_F1,
@@ -1860,7 +2022,7 @@ static inline void __amd64_decode_bus_error(struct mem_ctl_info *mci,
memset(&err, 0, sizeof(err));
- sys_addr = get_error_address(m);
+ sys_addr = get_error_address(pvt, m);
if (ecc_type == 2)
err.syndrome = extract_syndrome(m->status);
@@ -1921,10 +2083,9 @@ static void free_mc_sibling_devs(struct amd64_pvt *pvt)
*/
static void read_mc_regs(struct amd64_pvt *pvt)
{
- struct cpuinfo_x86 *c = &boot_cpu_data;
+ unsigned range;
u64 msr_val;
u32 tmp;
- unsigned range;
/*
* Retrieve TOP_MEM and TOP_MEM2; no masking off of reserved bits since
@@ -1985,14 +2146,14 @@ static void read_mc_regs(struct amd64_pvt *pvt)
pvt->ecc_sym_sz = 4;
- if (c->x86 >= 0x10) {
+ if (pvt->fam >= 0x10) {
amd64_read_pci_cfg(pvt->F3, EXT_NB_MCA_CFG, &tmp);
- if (c->x86 != 0x16)
+ if (pvt->fam != 0x16)
/* F16h has only DCT0 */
amd64_read_dct_pci_cfg(pvt, DBAM1, &pvt->dbam1);
/* F10h, revD and later can do x8 ECC too */
- if ((c->x86 > 0x10 || c->x86_model > 7) && tmp & BIT(25))
+ if ((pvt->fam > 0x10 || pvt->model > 7) && tmp & BIT(25))
pvt->ecc_sym_sz = 8;
}
dump_misc_regs(pvt);
@@ -2086,7 +2247,7 @@ static int init_csrows(struct mem_ctl_info *mci)
bool row_dct0 = !!csrow_enabled(i, 0, pvt);
bool row_dct1 = false;
- if (boot_cpu_data.x86 != 0xf)
+ if (pvt->fam != 0xf)
row_dct1 = !!csrow_enabled(i, 1, pvt);
if (!row_dct0 && !row_dct1)
@@ -2104,7 +2265,7 @@ static int init_csrows(struct mem_ctl_info *mci)
}
/* K8 has only one DCT */
- if (boot_cpu_data.x86 != 0xf && row_dct1) {
+ if (pvt->fam != 0xf && row_dct1) {
int row_dct1_pages = amd64_csrow_nr_pages(pvt, 1, i);
csrow->channels[1]->dimm->nr_pages = row_dct1_pages;
@@ -2333,13 +2494,14 @@ static bool ecc_enabled(struct pci_dev *F3, u16 nid)
static int set_mc_sysfs_attrs(struct mem_ctl_info *mci)
{
+ struct amd64_pvt *pvt = mci->pvt_info;
int rc;
rc = amd64_create_sysfs_dbg_files(mci);
if (rc < 0)
return rc;
- if (boot_cpu_data.x86 >= 0x10) {
+ if (pvt->fam >= 0x10) {
rc = amd64_create_sysfs_inject_files(mci);
if (rc < 0)
return rc;
@@ -2350,9 +2512,11 @@ static int set_mc_sysfs_attrs(struct mem_ctl_info *mci)
static void del_mc_sysfs_attrs(struct mem_ctl_info *mci)
{
+ struct amd64_pvt *pvt = mci->pvt_info;
+
amd64_remove_sysfs_dbg_files(mci);
- if (boot_cpu_data.x86 >= 0x10)
+ if (pvt->fam >= 0x10)
amd64_remove_sysfs_inject_files(mci);
}
@@ -2387,10 +2551,14 @@ static void setup_mci_misc_attrs(struct mem_ctl_info *mci,
*/
static struct amd64_family_type *amd64_per_family_init(struct amd64_pvt *pvt)
{
- u8 fam = boot_cpu_data.x86;
struct amd64_family_type *fam_type = NULL;
- switch (fam) {
+ pvt->ext_model = boot_cpu_data.x86_model >> 4;
+ pvt->stepping = boot_cpu_data.x86_mask;
+ pvt->model = boot_cpu_data.x86_model;
+ pvt->fam = boot_cpu_data.x86;
+
+ switch (pvt->fam) {
case 0xf:
fam_type = &amd64_family_types[K8_CPUS];
pvt->ops = &amd64_family_types[K8_CPUS].ops;
@@ -2402,6 +2570,12 @@ static struct amd64_family_type *amd64_per_family_init(struct amd64_pvt *pvt)
break;
case 0x15:
+ if (pvt->model == 0x30) {
+ fam_type = &amd64_family_types[F15_M30H_CPUS];
+ pvt->ops = &amd64_family_types[F15_M30H_CPUS].ops;
+ break;
+ }
+
fam_type = &amd64_family_types[F15_CPUS];
pvt->ops = &amd64_family_types[F15_CPUS].ops;
break;
@@ -2416,10 +2590,8 @@ static struct amd64_family_type *amd64_per_family_init(struct amd64_pvt *pvt)
return NULL;
}
- pvt->ext_model = boot_cpu_data.x86_model >> 4;
-
amd64_info("%s %sdetected (node %d).\n", fam_type->ctl_name,
- (fam == 0xf ?
+ (pvt->fam == 0xf ?
(pvt->ext_model >= K8_REV_F ? "revF or later "
: "revE or earlier ")
: ""), pvt->mc_node_id);
@@ -2579,6 +2751,8 @@ static void amd64_remove_one_instance(struct pci_dev *pdev)
struct ecc_settings *s = ecc_stngs[nid];
mci = find_mci_by_dev(&pdev->dev);
+ WARN_ON(!mci);
+
del_mc_sysfs_attrs(mci);
/* Remove from EDAC CORE tracking list */
mci = edac_mc_del_mc(&pdev->dev);
@@ -2638,6 +2812,14 @@ static DEFINE_PCI_DEVICE_TABLE(amd64_pci_table) = {
},
{
.vendor = PCI_VENDOR_ID_AMD,
+ .device = PCI_DEVICE_ID_AMD_15H_M30H_NB_F2,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .class = 0,
+ .class_mask = 0,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_AMD,
.device = PCI_DEVICE_ID_AMD_16H_NB_F2,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 2c6f113..d2443cf 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -170,6 +170,8 @@
/*
* PCI-defined configuration space registers
*/
+#define PCI_DEVICE_ID_AMD_15H_M30H_NB_F1 0x141b
+#define PCI_DEVICE_ID_AMD_15H_M30H_NB_F2 0x141c
#define PCI_DEVICE_ID_AMD_15H_NB_F1 0x1601
#define PCI_DEVICE_ID_AMD_15H_NB_F2 0x1602
#define PCI_DEVICE_ID_AMD_16H_NB_F1 0x1531
@@ -181,13 +183,22 @@
#define DRAM_BASE_LO 0x40
#define DRAM_LIMIT_LO 0x44
-#define dram_intlv_en(pvt, i) ((u8)((pvt->ranges[i].base.lo >> 8) & 0x7))
+/*
+ * F15 M30h D18F1x2[1C:00]
+ */
+#define DRAM_CONT_BASE 0x200
+#define DRAM_CONT_LIMIT 0x204
+
+/*
+ * F15 M30h D18F1x2[4C:40]
+ */
+#define DRAM_CONT_HIGH_OFF 0x240
+
#define dram_rw(pvt, i) ((u8)(pvt->ranges[i].base.lo & 0x3))
#define dram_intlv_sel(pvt, i) ((u8)((pvt->ranges[i].lim.lo >> 8) & 0x7))
#define dram_dst_node(pvt, i) ((u8)(pvt->ranges[i].lim.lo & 0x7))
#define DHAR 0xf0
-#define dhar_valid(pvt) ((pvt)->dhar & BIT(0))
#define dhar_mem_hoist_valid(pvt) ((pvt)->dhar & BIT(1))
#define dhar_base(pvt) ((pvt)->dhar & 0xff000000)
#define k8_dhar_offset(pvt) (((pvt)->dhar & 0x0000ff00) << 16)
@@ -234,8 +245,6 @@
#define DDR3_MODE BIT(8)
#define DCT_SEL_LO 0x110
-#define dct_sel_baseaddr(pvt) ((pvt)->dct_sel_lo & 0xFFFFF800)
-#define dct_sel_interleave_addr(pvt) (((pvt)->dct_sel_lo >> 6) & 0x3)
#define dct_high_range_enabled(pvt) ((pvt)->dct_sel_lo & BIT(0))
#define dct_interleave_enabled(pvt) ((pvt)->dct_sel_lo & BIT(2))
@@ -297,6 +306,7 @@ enum amd_families {
K8_CPUS = 0,
F10_CPUS,
F15_CPUS,
+ F15_M30H_CPUS,
F16_CPUS,
NUM_FAMILIES,
};
@@ -337,6 +347,10 @@ struct amd64_pvt {
struct pci_dev *F1, *F2, *F3;
u16 mc_node_id; /* MC index of this MC node */
+ u8 fam; /* CPU family */
+ u8 model; /* ... model */
+ u8 stepping; /* ... stepping */
+
int ext_model; /* extended model value of this node */
int channel_count;
@@ -414,6 +428,14 @@ static inline u16 extract_syndrome(u64 status)
return ((status >> 47) & 0xff) | ((status >> 16) & 0xff00);
}
+static inline u8 dct_sel_interleave_addr(struct amd64_pvt *pvt)
+{
+ if (pvt->fam == 0x15 && pvt->model >= 0x30)
+ return (((pvt->dct_sel_hi >> 9) & 0x1) << 2) |
+ ((pvt->dct_sel_lo >> 6) & 0x3);
+
+ return ((pvt)->dct_sel_lo >> 6) & 0x3;
+}
/*
* per-node ECC settings descriptor
*/
@@ -504,3 +526,33 @@ static inline void enable_caches(void *dummy)
{
write_cr0(read_cr0() & ~X86_CR0_CD);
}
+
+static inline u8 dram_intlv_en(struct amd64_pvt *pvt, unsigned int i)
+{
+ if (pvt->fam == 0x15 && pvt->model >= 0x30) {
+ u32 tmp;
+ amd64_read_pci_cfg(pvt->F1, DRAM_CONT_LIMIT, &tmp);
+ return (u8) tmp & 0xF;
+ }
+ return (u8) (pvt->ranges[i].base.lo >> 8) & 0x7;
+}
+
+static inline u8 dhar_valid(struct amd64_pvt *pvt)
+{
+ if (pvt->fam == 0x15 && pvt->model >= 0x30) {
+ u32 tmp;
+ amd64_read_pci_cfg(pvt->F1, DRAM_CONT_BASE, &tmp);
+ return (tmp >> 1) & BIT(0);
+ }
+ return (pvt)->dhar & BIT(0);
+}
+
+static inline u32 dct_sel_baseaddr(struct amd64_pvt *pvt)
+{
+ if (pvt->fam == 0x15 && pvt->model >= 0x30) {
+ u32 tmp;
+ amd64_read_pci_cfg(pvt->F1, DRAM_CONT_BASE, &tmp);
+ return (tmp >> 11) & 0x1FFF;
+ }
+ return (pvt)->dct_sel_lo & 0xFFFFF800;
+}
diff --git a/drivers/gpu/drm/ast/ast_ttm.c b/drivers/gpu/drm/ast/ast_ttm.c
index 98d6708..6e8887fe 100644
--- a/drivers/gpu/drm/ast/ast_ttm.c
+++ b/drivers/gpu/drm/ast/ast_ttm.c
@@ -323,6 +323,7 @@ int ast_bo_create(struct drm_device *dev, int size, int align,
astbo->gem.driver_private = NULL;
astbo->bo.bdev = &ast->ttm.bdev;
+ astbo->bo.bdev->dev_mapping = dev->dev_mapping;
ast_ttm_placement(astbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM);
diff --git a/drivers/gpu/drm/cirrus/cirrus_ttm.c b/drivers/gpu/drm/cirrus/cirrus_ttm.c
index 0047012..69fd8f1 100644
--- a/drivers/gpu/drm/cirrus/cirrus_ttm.c
+++ b/drivers/gpu/drm/cirrus/cirrus_ttm.c
@@ -328,6 +328,7 @@ int cirrus_bo_create(struct drm_device *dev, int size, int align,
cirrusbo->gem.driver_private = NULL;
cirrusbo->bo.bdev = &cirrus->ttm.bdev;
+ cirrusbo->bo.bdev->dev_mapping = dev->dev_mapping;
cirrus_ttm_placement(cirrusbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM);
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 8bcce78..f92da0a 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -708,7 +708,10 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, int crtc,
/* Subtract time delta from raw timestamp to get final
* vblank_time timestamp for end of vblank.
*/
- etime = ktime_sub_ns(etime, delta_ns);
+ if (delta_ns < 0)
+ etime = ktime_add_ns(etime, -delta_ns);
+ else
+ etime = ktime_sub_ns(etime, delta_ns);
*vblank_time = ktime_to_timeval(etime);
DRM_DEBUG("crtc %d : v %d p(%d,%d)@ %ld.%ld -> %ld.%ld [e %d us, %d rep]\n",
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index f2326fc..6f51429 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1856,10 +1856,16 @@
#define CRT_HOTPLUG_DETECT_VOLTAGE_475MV (1 << 2)
#define PORT_HOTPLUG_STAT (dev_priv->info->display_mmio_offset + 0x61114)
-/* HDMI/DP bits are gen4+ */
-#define PORTB_HOTPLUG_LIVE_STATUS (1 << 29)
+/*
+ * HDMI/DP bits are gen4+
+ *
+ * WARNING: Bspec for hpd status bits on gen4 seems to be completely confused.
+ * Please check the detailed lore in the commit message for for experimental
+ * evidence.
+ */
+#define PORTD_HOTPLUG_LIVE_STATUS (1 << 29)
#define PORTC_HOTPLUG_LIVE_STATUS (1 << 28)
-#define PORTD_HOTPLUG_LIVE_STATUS (1 << 27)
+#define PORTB_HOTPLUG_LIVE_STATUS (1 << 27)
#define PORTD_HOTPLUG_INT_STATUS (3 << 21)
#define PORTC_HOTPLUG_INT_STATUS (3 << 19)
#define PORTB_HOTPLUG_INT_STATUS (3 << 17)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 5fb3058..e38b457 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8269,9 +8269,11 @@ check_crtc_state(struct drm_device *dev)
list_for_each_entry(encoder, &dev->mode_config.encoder_list,
base.head) {
+ enum pipe pipe;
if (encoder->base.crtc != &crtc->base)
continue;
- if (encoder->get_config)
+ if (encoder->get_config &&
+ encoder->get_hw_state(encoder, &pipe))
encoder->get_config(encoder, &pipe_config);
}
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 67e2c1f..5950888 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -497,8 +497,11 @@ void intel_panel_set_backlight(struct drm_device *dev, u32 level, u32 max)
goto out;
}
- /* scale to hardware */
- level = level * freq / max;
+ /* scale to hardware, but be careful to not overflow */
+ if (freq < max)
+ level = level * freq / max;
+ else
+ level = freq / max * level;
dev_priv->backlight.level = level;
if (dev_priv->backlight.device)
@@ -515,6 +518,17 @@ void intel_panel_disable_backlight(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
unsigned long flags;
+ /*
+ * Do not disable backlight on the vgaswitcheroo path. When switching
+ * away from i915, the other client may depend on i915 to handle the
+ * backlight. This will leave the backlight on unnecessarily when
+ * another client is not activated.
+ */
+ if (dev->switch_power_state == DRM_SWITCH_POWER_CHANGING) {
+ DRM_DEBUG_DRIVER("Skipping backlight disable on vga switch\n");
+ return;
+ }
+
spin_lock_irqsave(&dev_priv->backlight.lock, flags);
dev_priv->backlight.enabled = false;
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index f895d15..b0e4a0b 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5063,8 +5063,26 @@ static void __intel_set_power_well(struct drm_device *dev, bool enable)
}
} else {
if (enable_requested) {
+ unsigned long irqflags;
+ enum pipe p;
+
I915_WRITE(HSW_PWR_WELL_DRIVER, 0);
+ POSTING_READ(HSW_PWR_WELL_DRIVER);
DRM_DEBUG_KMS("Requesting to disable the power well\n");
+
+ /*
+ * After this, the registers on the pipes that are part
+ * of the power well will become zero, so we have to
+ * adjust our counters according to that.
+ *
+ * FIXME: Should we do this in general in
+ * drm_vblank_post_modeset?
+ */
+ spin_lock_irqsave(&dev->vbl_lock, irqflags);
+ for_each_pipe(p)
+ if (p != PIPE_A)
+ dev->last_vblank[p] = 0;
+ spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
}
}
}
diff --git a/drivers/gpu/drm/mgag200/mgag200_ttm.c b/drivers/gpu/drm/mgag200/mgag200_ttm.c
index 13878d5..d70e4a9 100644
--- a/drivers/gpu/drm/mgag200/mgag200_ttm.c
+++ b/drivers/gpu/drm/mgag200/mgag200_ttm.c
@@ -323,6 +323,7 @@ int mgag200_bo_create(struct drm_device *dev, int size, int align,
mgabo->gem.driver_private = NULL;
mgabo->bo.bdev = &mdev->ttm.bdev;
+ mgabo->bo.bdev->dev_mapping = dev->dev_mapping;
mgag200_ttm_placement(mgabo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM);
diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c
index 0bfd55e..9953e1f 100644
--- a/drivers/gpu/drm/radeon/btc_dpm.c
+++ b/drivers/gpu/drm/radeon/btc_dpm.c
@@ -2548,9 +2548,6 @@ int btc_dpm_init(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi;
struct evergreen_power_info *eg_pi;
- int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
- u16 data_offset, size;
- u8 frev, crev;
struct atom_clock_dividers dividers;
int ret;
@@ -2633,16 +2630,7 @@ int btc_dpm_init(struct radeon_device *rdev)
eg_pi->vddci_control =
radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0);
- if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
- &frev, &crev, &data_offset)) {
- pi->sclk_ss = true;
- pi->mclk_ss = true;
- pi->dynamic_ss = true;
- } else {
- pi->sclk_ss = false;
- pi->mclk_ss = false;
- pi->dynamic_ss = true;
- }
+ rv770_get_engine_memory_ss(rdev);
pi->asi = RV770_ASI_DFLT;
pi->pasi = CYPRESS_HASI_DFLT;
@@ -2659,8 +2647,7 @@ int btc_dpm_init(struct radeon_device *rdev)
pi->dynamic_pcie_gen2 = true;
- if (pi->gfx_clock_gating &&
- (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE))
+ if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
pi->thermal_protection = true;
else
pi->thermal_protection = false;
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 6dacec4..8928bd1 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -2587,9 +2587,11 @@ u32 cik_compute_ring_get_rptr(struct radeon_device *rdev,
if (rdev->wb.enabled) {
rptr = le32_to_cpu(rdev->wb.wb[ring->rptr_offs/4]);
} else {
+ mutex_lock(&rdev->srbm_mutex);
cik_srbm_select(rdev, ring->me, ring->pipe, ring->queue, 0);
rptr = RREG32(CP_HQD_PQ_RPTR);
cik_srbm_select(rdev, 0, 0, 0, 0);
+ mutex_unlock(&rdev->srbm_mutex);
}
rptr = (rptr & ring->ptr_reg_mask) >> ring->ptr_reg_shift;
@@ -2604,9 +2606,11 @@ u32 cik_compute_ring_get_wptr(struct radeon_device *rdev,
if (rdev->wb.enabled) {
wptr = le32_to_cpu(rdev->wb.wb[ring->wptr_offs/4]);
} else {
+ mutex_lock(&rdev->srbm_mutex);
cik_srbm_select(rdev, ring->me, ring->pipe, ring->queue, 0);
wptr = RREG32(CP_HQD_PQ_WPTR);
cik_srbm_select(rdev, 0, 0, 0, 0);
+ mutex_unlock(&rdev->srbm_mutex);
}
wptr = (wptr & ring->ptr_reg_mask) >> ring->ptr_reg_shift;
@@ -2897,6 +2901,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev)
WREG32(CP_CPF_DEBUG, tmp);
/* init the pipes */
+ mutex_lock(&rdev->srbm_mutex);
for (i = 0; i < (rdev->mec.num_pipe * rdev->mec.num_mec); i++) {
int me = (i < 4) ? 1 : 2;
int pipe = (i < 4) ? i : (i - 4);
@@ -2919,6 +2924,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev)
WREG32(CP_HPD_EOP_CONTROL, tmp);
}
cik_srbm_select(rdev, 0, 0, 0, 0);
+ mutex_unlock(&rdev->srbm_mutex);
/* init the queues. Just two for now. */
for (i = 0; i < 2; i++) {
@@ -2972,6 +2978,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev)
mqd->static_thread_mgmt23[0] = 0xffffffff;
mqd->static_thread_mgmt23[1] = 0xffffffff;
+ mutex_lock(&rdev->srbm_mutex);
cik_srbm_select(rdev, rdev->ring[idx].me,
rdev->ring[idx].pipe,
rdev->ring[idx].queue, 0);
@@ -3099,6 +3106,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev)
WREG32(CP_HQD_ACTIVE, mqd->queue_state.cp_hqd_active);
cik_srbm_select(rdev, 0, 0, 0, 0);
+ mutex_unlock(&rdev->srbm_mutex);
radeon_bo_kunmap(rdev->ring[idx].mqd_obj);
radeon_bo_unreserve(rdev->ring[idx].mqd_obj);
@@ -4320,6 +4328,7 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev)
/* XXX SH_MEM regs */
/* where to put LDS, scratch, GPUVM in FSA64 space */
+ mutex_lock(&rdev->srbm_mutex);
for (i = 0; i < 16; i++) {
cik_srbm_select(rdev, 0, 0, 0, i);
/* CP and shaders */
@@ -4335,6 +4344,7 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev)
/* XXX SDMA RLC - todo */
}
cik_srbm_select(rdev, 0, 0, 0, 0);
+ mutex_unlock(&rdev->srbm_mutex);
cik_pcie_gart_tlb_flush(rdev);
DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
@@ -5954,6 +5964,8 @@ static int cik_startup(struct radeon_device *rdev)
struct radeon_ring *ring;
int r;
+ cik_mc_program(rdev);
+
if (rdev->flags & RADEON_IS_IGP) {
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
!rdev->mec_fw || !rdev->sdma_fw || !rdev->rlc_fw) {
@@ -5985,7 +5997,6 @@ static int cik_startup(struct radeon_device *rdev)
if (r)
return r;
- cik_mc_program(rdev);
r = cik_pcie_gart_enable(rdev);
if (r)
return r;
@@ -6194,7 +6205,7 @@ int cik_suspend(struct radeon_device *rdev)
radeon_vm_manager_fini(rdev);
cik_cp_enable(rdev, false);
cik_sdma_enable(rdev, false);
- r600_uvd_rbc_stop(rdev);
+ r600_uvd_stop(rdev);
radeon_uvd_suspend(rdev);
cik_irq_suspend(rdev);
radeon_wb_disable(rdev);
@@ -6358,6 +6369,7 @@ void cik_fini(struct radeon_device *rdev)
radeon_vm_manager_fini(rdev);
radeon_ib_pool_fini(rdev);
radeon_irq_kms_fini(rdev);
+ r600_uvd_stop(rdev);
radeon_uvd_fini(rdev);
cik_pcie_gart_fini(rdev);
r600_vram_scratch_fini(rdev);
@@ -6978,7 +6990,7 @@ int cik_uvd_resume(struct radeon_device *rdev)
/* programm the VCPU memory controller bits 0-27 */
addr = rdev->uvd.gpu_addr >> 3;
- size = RADEON_GPU_PAGE_ALIGN(rdev->uvd.fw_size + 4) >> 3;
+ size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 4) >> 3;
WREG32(UVD_VCPU_CACHE_OFFSET0, addr);
WREG32(UVD_VCPU_CACHE_SIZE0, size);
diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c
index 9bcdd17..7e5d0b5 100644
--- a/drivers/gpu/drm/radeon/cypress_dpm.c
+++ b/drivers/gpu/drm/radeon/cypress_dpm.c
@@ -2038,9 +2038,6 @@ int cypress_dpm_init(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi;
struct evergreen_power_info *eg_pi;
- int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
- uint16_t data_offset, size;
- uint8_t frev, crev;
struct atom_clock_dividers dividers;
int ret;
@@ -2092,16 +2089,7 @@ int cypress_dpm_init(struct radeon_device *rdev)
eg_pi->vddci_control =
radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0);
- if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
- &frev, &crev, &data_offset)) {
- pi->sclk_ss = true;
- pi->mclk_ss = true;
- pi->dynamic_ss = true;
- } else {
- pi->sclk_ss = false;
- pi->mclk_ss = false;
- pi->dynamic_ss = true;
- }
+ rv770_get_engine_memory_ss(rdev);
pi->asi = RV770_ASI_DFLT;
pi->pasi = CYPRESS_HASI_DFLT;
@@ -2122,8 +2110,7 @@ int cypress_dpm_init(struct radeon_device *rdev)
pi->dynamic_pcie_gen2 = true;
- if (pi->gfx_clock_gating &&
- (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE))
+ if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
pi->thermal_protection = true;
else
pi->thermal_protection = false;
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 038dcac..d5b49e3 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -5106,6 +5106,8 @@ static int evergreen_startup(struct radeon_device *rdev)
/* enable aspm */
evergreen_program_aspm(rdev);
+ evergreen_mc_program(rdev);
+
if (ASIC_IS_DCE5(rdev)) {
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
r = ni_init_microcode(rdev);
@@ -5133,7 +5135,6 @@ static int evergreen_startup(struct radeon_device *rdev)
if (r)
return r;
- evergreen_mc_program(rdev);
if (rdev->flags & RADEON_IS_AGP) {
evergreen_agp_enable(rdev);
} else {
@@ -5291,10 +5292,10 @@ int evergreen_resume(struct radeon_device *rdev)
int evergreen_suspend(struct radeon_device *rdev)
{
r600_audio_fini(rdev);
+ r600_uvd_stop(rdev);
radeon_uvd_suspend(rdev);
r700_cp_stop(rdev);
r600_dma_stop(rdev);
- r600_uvd_rbc_stop(rdev);
evergreen_irq_suspend(rdev);
radeon_wb_disable(rdev);
evergreen_pcie_gart_disable(rdev);
@@ -5429,6 +5430,7 @@ void evergreen_fini(struct radeon_device *rdev)
radeon_ib_pool_fini(rdev);
radeon_irq_kms_fini(rdev);
evergreen_pcie_gart_fini(rdev);
+ r600_uvd_stop(rdev);
radeon_uvd_fini(rdev);
r600_vram_scratch_fini(rdev);
radeon_gem_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c
index bb9ea36..b0e2800 100644
--- a/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -148,18 +148,40 @@ static void evergreen_audio_set_dto(struct drm_encoder *encoder, u32 clock)
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
u32 base_rate = 24000;
+ u32 max_ratio = clock / base_rate;
+ u32 dto_phase;
+ u32 dto_modulo = clock;
+ u32 wallclock_ratio;
+ u32 dto_cntl;
if (!dig || !dig->afmt)
return;
+ if (max_ratio >= 8) {
+ dto_phase = 192 * 1000;
+ wallclock_ratio = 3;
+ } else if (max_ratio >= 4) {
+ dto_phase = 96 * 1000;
+ wallclock_ratio = 2;
+ } else if (max_ratio >= 2) {
+ dto_phase = 48 * 1000;
+ wallclock_ratio = 1;
+ } else {
+ dto_phase = 24 * 1000;
+ wallclock_ratio = 0;
+ }
+ dto_cntl = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
+ dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
+ WREG32(DCCG_AUDIO_DTO0_CNTL, dto_cntl);
+
/* XXX two dtos; generally use dto0 for hdmi */
/* Express [24MHz / target pixel clock] as an exact rational
* number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
* is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
*/
WREG32(DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL(radeon_crtc->crtc_id));
- WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100);
- WREG32(DCCG_AUDIO_DTO0_MODULE, clock * 100);
+ WREG32(DCCG_AUDIO_DTO0_PHASE, dto_phase);
+ WREG32(DCCG_AUDIO_DTO0_MODULE, dto_modulo);
}
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index a7baf67..0d582ac 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -497,6 +497,9 @@
#define DCCG_AUDIO_DTO0_MODULE 0x05b4
#define DCCG_AUDIO_DTO0_LOAD 0x05b8
#define DCCG_AUDIO_DTO0_CNTL 0x05bc
+# define DCCG_AUDIO_DTO_WALLCLOCK_RATIO(x) (((x) & 7) << 0)
+# define DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK 7
+# define DCCG_AUDIO_DTO_WALLCLOCK_RATIO_SHIFT 0
#define DCCG_AUDIO_DTO1_PHASE 0x05c0
#define DCCG_AUDIO_DTO1_MODULE 0x05c4
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 56bd4f3..ccb4f8b5 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -794,9 +794,13 @@ int ni_init_microcode(struct radeon_device *rdev)
if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
- if (err)
- goto out;
- if (rdev->smc_fw->size != smc_req_size) {
+ if (err) {
+ printk(KERN_ERR
+ "smc: error loading firmware \"%s\"\n",
+ fw_name);
+ release_firmware(rdev->smc_fw);
+ rdev->smc_fw = NULL;
+ } else if (rdev->smc_fw->size != smc_req_size) {
printk(KERN_ERR
"ni_mc: Bogus length %zu in firmware \"%s\"\n",
rdev->mc_fw->size, fw_name);
@@ -2079,6 +2083,8 @@ static int cayman_startup(struct radeon_device *rdev)
/* enable aspm */
evergreen_program_aspm(rdev);
+ evergreen_mc_program(rdev);
+
if (rdev->flags & RADEON_IS_IGP) {
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
r = ni_init_microcode(rdev);
@@ -2107,7 +2113,6 @@ static int cayman_startup(struct radeon_device *rdev)
if (r)
return r;
- evergreen_mc_program(rdev);
r = cayman_pcie_gart_enable(rdev);
if (r)
return r;
@@ -2286,7 +2291,7 @@ int cayman_suspend(struct radeon_device *rdev)
radeon_vm_manager_fini(rdev);
cayman_cp_enable(rdev, false);
cayman_dma_stop(rdev);
- r600_uvd_rbc_stop(rdev);
+ r600_uvd_stop(rdev);
radeon_uvd_suspend(rdev);
evergreen_irq_suspend(rdev);
radeon_wb_disable(rdev);
@@ -2418,6 +2423,7 @@ void cayman_fini(struct radeon_device *rdev)
radeon_vm_manager_fini(rdev);
radeon_ib_pool_fini(rdev);
radeon_irq_kms_fini(rdev);
+ r600_uvd_stop(rdev);
radeon_uvd_fini(rdev);
cayman_pcie_gart_fini(rdev);
r600_vram_scratch_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
index 4f9b9bc..f0f5f74 100644
--- a/drivers/gpu/drm/radeon/ni_dpm.c
+++ b/drivers/gpu/drm/radeon/ni_dpm.c
@@ -4067,9 +4067,6 @@ int ni_dpm_init(struct radeon_device *rdev)
struct rv7xx_power_info *pi;
struct evergreen_power_info *eg_pi;
struct ni_power_info *ni_pi;
- int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
- u16 data_offset, size;
- u8 frev, crev;
struct atom_clock_dividers dividers;
int ret;
@@ -4162,16 +4159,7 @@ int ni_dpm_init(struct radeon_device *rdev)
eg_pi->vddci_control =
radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0);
- if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
- &frev, &crev, &data_offset)) {
- pi->sclk_ss = true;
- pi->mclk_ss = true;
- pi->dynamic_ss = true;
- } else {
- pi->sclk_ss = false;
- pi->mclk_ss = false;
- pi->dynamic_ss = true;
- }
+ rv770_get_engine_memory_ss(rdev);
pi->asi = RV770_ASI_DFLT;
pi->pasi = CYPRESS_HASI_DFLT;
@@ -4188,8 +4176,7 @@ int ni_dpm_init(struct radeon_device *rdev)
pi->dynamic_pcie_gen2 = true;
- if (pi->gfx_clock_gating &&
- (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE))
+ if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
pi->thermal_protection = true;
else
pi->thermal_protection = false;
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 10f712e..e66e720 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2299,9 +2299,13 @@ int r600_init_microcode(struct radeon_device *rdev)
if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_HEMLOCK)) {
snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", smc_chip_name);
err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
- if (err)
- goto out;
- if (rdev->smc_fw->size != smc_req_size) {
+ if (err) {
+ printk(KERN_ERR
+ "smc: error loading firmware \"%s\"\n",
+ fw_name);
+ release_firmware(rdev->smc_fw);
+ rdev->smc_fw = NULL;
+ } else if (rdev->smc_fw->size != smc_req_size) {
printk(KERN_ERR
"smc: Bogus length %zu in firmware \"%s\"\n",
rdev->smc_fw->size, fw_name);
@@ -2697,12 +2701,29 @@ int r600_uvd_rbc_start(struct radeon_device *rdev)
return 0;
}
-void r600_uvd_rbc_stop(struct radeon_device *rdev)
+void r600_uvd_stop(struct radeon_device *rdev)
{
struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
/* force RBC into idle state */
WREG32(UVD_RBC_RB_CNTL, 0x11010101);
+
+ /* Stall UMC and register bus before resetting VCPU */
+ WREG32_P(UVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
+ WREG32_P(UVD_RB_ARB_CTRL, 1 << 3, ~(1 << 3));
+ mdelay(1);
+
+ /* put VCPU into reset */
+ WREG32(UVD_SOFT_RESET, VCPU_SOFT_RESET);
+ mdelay(5);
+
+ /* disable VCPU clock */
+ WREG32(UVD_VCPU_CNTL, 0x0);
+
+ /* Unstall UMC and register bus */
+ WREG32_P(UVD_LMI_CTRL2, 0, ~(1 << 8));
+ WREG32_P(UVD_RB_ARB_CTRL, 0, ~(1 << 3));
+
ring->ready = false;
}
@@ -2722,6 +2743,11 @@ int r600_uvd_init(struct radeon_device *rdev)
/* disable interupt */
WREG32_P(UVD_MASTINT_EN, 0, ~(1 << 1));
+ /* Stall UMC and register bus before resetting VCPU */
+ WREG32_P(UVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
+ WREG32_P(UVD_RB_ARB_CTRL, 1 << 3, ~(1 << 3));
+ mdelay(1);
+
/* put LMI, VCPU, RBC etc... into reset */
WREG32(UVD_SOFT_RESET, LMI_SOFT_RESET | VCPU_SOFT_RESET |
LBSI_SOFT_RESET | RBC_SOFT_RESET | CSM_SOFT_RESET |
@@ -2751,10 +2777,6 @@ int r600_uvd_init(struct radeon_device *rdev)
WREG32(UVD_MPC_SET_ALU, 0);
WREG32(UVD_MPC_SET_MUX, 0x88);
- /* Stall UMC */
- WREG32_P(UVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
- WREG32_P(UVD_RB_ARB_CTRL, 1 << 3, ~(1 << 3));
-
/* take all subblocks out of reset, except VCPU */
WREG32(UVD_SOFT_RESET, VCPU_SOFT_RESET);
mdelay(5);
@@ -3312,6 +3334,8 @@ static int r600_startup(struct radeon_device *rdev)
/* enable pcie gen2 link */
r600_pcie_gen2_enable(rdev);
+ r600_mc_program(rdev);
+
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
r = r600_init_microcode(rdev);
if (r) {
@@ -3324,7 +3348,6 @@ static int r600_startup(struct radeon_device *rdev)
if (r)
return r;
- r600_mc_program(rdev);
if (rdev->flags & RADEON_IS_AGP) {
r600_agp_enable(rdev);
} else {
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index f48240b..f264df5 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -226,10 +226,29 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock)
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
u32 base_rate = 24000;
+ u32 max_ratio = clock / base_rate;
+ u32 dto_phase;
+ u32 dto_modulo = clock;
+ u32 wallclock_ratio;
+ u32 dto_cntl;
if (!dig || !dig->afmt)
return;
+ if (max_ratio >= 8) {
+ dto_phase = 192 * 1000;
+ wallclock_ratio = 3;
+ } else if (max_ratio >= 4) {
+ dto_phase = 96 * 1000;
+ wallclock_ratio = 2;
+ } else if (max_ratio >= 2) {
+ dto_phase = 48 * 1000;
+ wallclock_ratio = 1;
+ } else {
+ dto_phase = 24 * 1000;
+ wallclock_ratio = 0;
+ }
+
/* there are two DTOs selected by DCCG_AUDIO_DTO_SELECT.
* doesn't matter which one you use. Just use the first one.
*/
@@ -242,9 +261,21 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock)
/* according to the reg specs, this should DCE3.2 only, but in
* practice it seems to cover DCE3.0 as well.
*/
- WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100);
- WREG32(DCCG_AUDIO_DTO0_MODULE, clock * 100);
- WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */
+ if (dig->dig_encoder == 0) {
+ dto_cntl = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
+ dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
+ WREG32(DCCG_AUDIO_DTO0_CNTL, dto_cntl);
+ WREG32(DCCG_AUDIO_DTO0_PHASE, dto_phase);
+ WREG32(DCCG_AUDIO_DTO0_MODULE, dto_modulo);
+ WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */
+ } else {
+ dto_cntl = RREG32(DCCG_AUDIO_DTO1_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
+ dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
+ WREG32(DCCG_AUDIO_DTO1_CNTL, dto_cntl);
+ WREG32(DCCG_AUDIO_DTO1_PHASE, dto_phase);
+ WREG32(DCCG_AUDIO_DTO1_MODULE, dto_modulo);
+ WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
+ }
} else {
/* according to the reg specs, this should be DCE2.0 and DCE3.0 */
WREG32(AUDIO_DTO, AUDIO_DTO_PHASE(base_rate / 10) |
diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
index 8e3fe81..7c78083 100644
--- a/drivers/gpu/drm/radeon/r600d.h
+++ b/drivers/gpu/drm/radeon/r600d.h
@@ -933,6 +933,9 @@
#define DCCG_AUDIO_DTO0_LOAD 0x051c
# define DTO_LOAD (1 << 31)
#define DCCG_AUDIO_DTO0_CNTL 0x0520
+# define DCCG_AUDIO_DTO_WALLCLOCK_RATIO(x) (((x) & 7) << 0)
+# define DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK 7
+# define DCCG_AUDIO_DTO_WALLCLOCK_RATIO_SHIFT 0
#define DCCG_AUDIO_DTO1_PHASE 0x0524
#define DCCG_AUDIO_DTO1_MODULE 0x0528
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 2f08219..274b8e1 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1468,7 +1468,6 @@ struct radeon_uvd {
void *cpu_addr;
uint64_t gpu_addr;
void *saved_bo;
- unsigned fw_size;
atomic_t handles[RADEON_MAX_UVD_HANDLES];
struct drm_file *filp[RADEON_MAX_UVD_HANDLES];
struct delayed_work idle_work;
@@ -2066,6 +2065,7 @@ struct radeon_device {
const struct firmware *mec_fw; /* CIK MEC firmware */
const struct firmware *sdma_fw; /* CIK SDMA firmware */
const struct firmware *smc_fw; /* SMC firmware */
+ const struct firmware *uvd_fw; /* UVD firmware */
struct r600_blit r600_blit;
struct r600_vram_scratch vram_scratch;
int msi_enabled; /* msi enabled */
@@ -2095,6 +2095,8 @@ struct radeon_device {
/* ACPI interface */
struct radeon_atif atif;
struct radeon_atcs atcs;
+ /* srbm instance registers */
+ struct mutex srbm_mutex;
};
int radeon_device_init(struct radeon_device *rdev,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 902479f..3d61d5a 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -441,7 +441,7 @@ void rs780_dpm_debugfs_print_current_performance_level(struct radeon_device *rde
/* uvd */
int r600_uvd_init(struct radeon_device *rdev);
int r600_uvd_rbc_start(struct radeon_device *rdev);
-void r600_uvd_rbc_stop(struct radeon_device *rdev);
+void r600_uvd_stop(struct radeon_device *rdev);
int r600_uvd_ib_test(struct radeon_device *rdev, struct radeon_ring *ring);
void r600_uvd_fence_emit(struct radeon_device *rdev,
struct radeon_fence *fence);
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 82335e3..63398ae 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1163,6 +1163,7 @@ int radeon_device_init(struct radeon_device *rdev,
mutex_init(&rdev->gem.mutex);
mutex_init(&rdev->pm.mutex);
mutex_init(&rdev->gpu_clock_mutex);
+ mutex_init(&rdev->srbm_mutex);
init_rwsem(&rdev->pm.mclk_lock);
init_rwsem(&rdev->exclusive_lock);
init_waitqueue_head(&rdev->irq.vblank_queue);
@@ -1519,6 +1520,7 @@ int radeon_gpu_reset(struct radeon_device *rdev)
radeon_save_bios_scratch_regs(rdev);
/* block TTM */
resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev);
+ radeon_pm_suspend(rdev);
radeon_suspend(rdev);
for (i = 0; i < RADEON_NUM_RINGS; ++i) {
@@ -1564,6 +1566,7 @@ retry:
}
}
+ radeon_pm_resume(rdev);
drm_helper_resume_force_mode(rdev->ddev);
ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched);
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 7ddb0ef..ddb8f8e 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -782,7 +782,7 @@ int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring)
} else {
/* put fence directly behind firmware */
- index = ALIGN(rdev->uvd.fw_size, 8);
+ index = ALIGN(rdev->uvd_fw->size, 8);
rdev->fence_drv[ring].cpu_addr = rdev->uvd.cpu_addr + index;
rdev->fence_drv[ring].gpu_addr = rdev->uvd.gpu_addr + index;
}
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index 6a51d94..b990b1a 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -207,7 +207,6 @@ void radeon_gart_table_vram_free(struct radeon_device *rdev)
if (rdev->gart.robj == NULL) {
return;
}
- radeon_gart_table_vram_unpin(rdev);
radeon_bo_unref(&rdev->gart.robj);
}
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index f374c46..c557850 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -1176,7 +1176,14 @@ int radeon_pm_init(struct radeon_device *rdev)
case CHIP_VERDE:
case CHIP_OLAND:
case CHIP_HAINAN:
- if (radeon_dpm == 1)
+ /* DPM requires the RLC, RV770+ dGPU requires SMC */
+ if (!rdev->rlc_fw)
+ rdev->pm.pm_method = PM_METHOD_PROFILE;
+ else if ((rdev->family >= CHIP_RV770) &&
+ (!(rdev->flags & RADEON_IS_IGP)) &&
+ (!rdev->smc_fw))
+ rdev->pm.pm_method = PM_METHOD_PROFILE;
+ else if (radeon_dpm == 1)
rdev->pm.pm_method = PM_METHOD_DPM;
else
rdev->pm.pm_method = PM_METHOD_PROFILE;
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index 414fd14..f1c1575 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -56,7 +56,6 @@ static void radeon_uvd_idle_work_handler(struct work_struct *work);
int radeon_uvd_init(struct radeon_device *rdev)
{
- const struct firmware *fw;
unsigned long bo_size;
const char *fw_name;
int i, r;
@@ -105,14 +104,14 @@ int radeon_uvd_init(struct radeon_device *rdev)
return -EINVAL;
}
- r = request_firmware(&fw, fw_name, rdev->dev);
+ r = request_firmware(&rdev->uvd_fw, fw_name, rdev->dev);
if (r) {
dev_err(rdev->dev, "radeon_uvd: Can't load firmware \"%s\"\n",
fw_name);
return r;
}
- bo_size = RADEON_GPU_PAGE_ALIGN(fw->size + 8) +
+ bo_size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 8) +
RADEON_UVD_STACK_SIZE + RADEON_UVD_HEAP_SIZE;
r = radeon_bo_create(rdev, bo_size, PAGE_SIZE, true,
RADEON_GEM_DOMAIN_VRAM, NULL, &rdev->uvd.vcpu_bo);
@@ -145,12 +144,6 @@ int radeon_uvd_init(struct radeon_device *rdev)
radeon_bo_unreserve(rdev->uvd.vcpu_bo);
- rdev->uvd.fw_size = fw->size;
- memset(rdev->uvd.cpu_addr, 0, bo_size);
- memcpy(rdev->uvd.cpu_addr, fw->data, fw->size);
-
- release_firmware(fw);
-
for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
atomic_set(&rdev->uvd.handles[i], 0);
rdev->uvd.filp[i] = NULL;
@@ -174,33 +167,60 @@ void radeon_uvd_fini(struct radeon_device *rdev)
}
radeon_bo_unref(&rdev->uvd.vcpu_bo);
+
+ release_firmware(rdev->uvd_fw);
}
int radeon_uvd_suspend(struct radeon_device *rdev)
{
unsigned size;
+ void *ptr;
+ int i;
if (rdev->uvd.vcpu_bo == NULL)
return 0;
+ for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i)
+ if (atomic_read(&rdev->uvd.handles[i]))
+ break;
+
+ if (i == RADEON_MAX_UVD_HANDLES)
+ return 0;
+
size = radeon_bo_size(rdev->uvd.vcpu_bo);
+ size -= rdev->uvd_fw->size;
+
+ ptr = rdev->uvd.cpu_addr;
+ ptr += rdev->uvd_fw->size;
+
rdev->uvd.saved_bo = kmalloc(size, GFP_KERNEL);
- memcpy(rdev->uvd.saved_bo, rdev->uvd.cpu_addr, size);
+ memcpy(rdev->uvd.saved_bo, ptr, size);
return 0;
}
int radeon_uvd_resume(struct radeon_device *rdev)
{
+ unsigned size;
+ void *ptr;
+
if (rdev->uvd.vcpu_bo == NULL)
return -EINVAL;
+ memcpy(rdev->uvd.cpu_addr, rdev->uvd_fw->data, rdev->uvd_fw->size);
+
+ size = radeon_bo_size(rdev->uvd.vcpu_bo);
+ size -= rdev->uvd_fw->size;
+
+ ptr = rdev->uvd.cpu_addr;
+ ptr += rdev->uvd_fw->size;
+
if (rdev->uvd.saved_bo != NULL) {
- unsigned size = radeon_bo_size(rdev->uvd.vcpu_bo);
- memcpy(rdev->uvd.cpu_addr, rdev->uvd.saved_bo, size);
+ memcpy(ptr, rdev->uvd.saved_bo, size);
kfree(rdev->uvd.saved_bo);
rdev->uvd.saved_bo = NULL;
- }
+ } else
+ memset(ptr, 0, size);
return 0;
}
@@ -215,8 +235,8 @@ void radeon_uvd_free_handles(struct radeon_device *rdev, struct drm_file *filp)
{
int i, r;
for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) {
- if (rdev->uvd.filp[i] == filp) {
- uint32_t handle = atomic_read(&rdev->uvd.handles[i]);
+ uint32_t handle = atomic_read(&rdev->uvd.handles[i]);
+ if (handle != 0 && rdev->uvd.filp[i] == filp) {
struct radeon_fence *fence;
r = radeon_uvd_get_destroy_msg(rdev,
@@ -337,8 +357,10 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
}
r = radeon_bo_kmap(bo, &ptr);
- if (r)
+ if (r) {
+ DRM_ERROR("Failed mapping the UVD message (%d)!\n", r);
return r;
+ }
msg = ptr + offset;
@@ -364,8 +386,14 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
radeon_bo_kunmap(bo);
return 0;
} else {
- /* it's a create msg, no special handling needed */
radeon_bo_kunmap(bo);
+
+ if (msg_type != 0) {
+ DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
+ return -EINVAL;
+ }
+
+ /* it's a create msg, no special handling needed */
}
/* create or decode, validate the handle */
@@ -388,7 +416,7 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p,
int data0, int data1,
- unsigned buf_sizes[])
+ unsigned buf_sizes[], bool *has_msg_cmd)
{
struct radeon_cs_chunk *relocs_chunk;
struct radeon_cs_reloc *reloc;
@@ -417,7 +445,7 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p,
if (cmd < 0x4) {
if ((end - start) < buf_sizes[cmd]) {
- DRM_ERROR("buffer to small (%d / %d)!\n",
+ DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
(unsigned)(end - start), buf_sizes[cmd]);
return -EINVAL;
}
@@ -442,9 +470,17 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p,
}
if (cmd == 0) {
+ if (*has_msg_cmd) {
+ DRM_ERROR("More than one message in a UVD-IB!\n");
+ return -EINVAL;
+ }
+ *has_msg_cmd = true;
r = radeon_uvd_cs_msg(p, reloc->robj, offset, buf_sizes);
if (r)
return r;
+ } else if (!*has_msg_cmd) {
+ DRM_ERROR("Message needed before other commands are send!\n");
+ return -EINVAL;
}
return 0;
@@ -453,7 +489,8 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p,
static int radeon_uvd_cs_reg(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt,
int *data0, int *data1,
- unsigned buf_sizes[])
+ unsigned buf_sizes[],
+ bool *has_msg_cmd)
{
int i, r;
@@ -467,7 +504,8 @@ static int radeon_uvd_cs_reg(struct radeon_cs_parser *p,
*data1 = p->idx;
break;
case UVD_GPCOM_VCPU_CMD:
- r = radeon_uvd_cs_reloc(p, *data0, *data1, buf_sizes);
+ r = radeon_uvd_cs_reloc(p, *data0, *data1,
+ buf_sizes, has_msg_cmd);
if (r)
return r;
break;
@@ -488,6 +526,9 @@ int radeon_uvd_cs_parse(struct radeon_cs_parser *p)
struct radeon_cs_packet pkt;
int r, data0 = 0, data1 = 0;
+ /* does the IB has a msg command */
+ bool has_msg_cmd = false;
+
/* minimum buffer sizes */
unsigned buf_sizes[] = {
[0x00000000] = 2048,
@@ -514,8 +555,8 @@ int radeon_uvd_cs_parse(struct radeon_cs_parser *p)
return r;
switch (pkt.type) {
case RADEON_PACKET_TYPE0:
- r = radeon_uvd_cs_reg(p, &pkt, &data0,
- &data1, buf_sizes);
+ r = radeon_uvd_cs_reg(p, &pkt, &data0, &data1,
+ buf_sizes, &has_msg_cmd);
if (r)
return r;
break;
@@ -527,6 +568,12 @@ int radeon_uvd_cs_parse(struct radeon_cs_parser *p)
return -EINVAL;
}
} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
+
+ if (!has_msg_cmd) {
+ DRM_ERROR("UVD-IBs need a msg command!\n");
+ return -EINVAL;
+ }
+
return 0;
}
diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c b/drivers/gpu/drm/radeon/rv6xx_dpm.c
index 363018c..bdd888b 100644
--- a/drivers/gpu/drm/radeon/rv6xx_dpm.c
+++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c
@@ -1944,9 +1944,7 @@ static int rv6xx_parse_power_table(struct radeon_device *rdev)
int rv6xx_dpm_init(struct radeon_device *rdev)
{
- int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
- uint16_t data_offset, size;
- uint8_t frev, crev;
+ struct radeon_atom_ss ss;
struct atom_clock_dividers dividers;
struct rv6xx_power_info *pi;
int ret;
@@ -1989,16 +1987,18 @@ int rv6xx_dpm_init(struct radeon_device *rdev)
pi->gfx_clock_gating = true;
- if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
- &frev, &crev, &data_offset)) {
- pi->sclk_ss = true;
- pi->mclk_ss = true;
+ pi->sclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
+ ASIC_INTERNAL_ENGINE_SS, 0);
+ pi->mclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
+ ASIC_INTERNAL_MEMORY_SS, 0);
+
+ /* Disable sclk ss, causes hangs on a lot of systems */
+ pi->sclk_ss = false;
+
+ if (pi->sclk_ss || pi->mclk_ss)
pi->dynamic_ss = true;
- } else {
- pi->sclk_ss = false;
- pi->mclk_ss = false;
+ else
pi->dynamic_ss = false;
- }
pi->dynamic_pcie_gen2 = true;
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 30ea14e..bcc68ec 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -813,7 +813,7 @@ int rv770_uvd_resume(struct radeon_device *rdev)
/* programm the VCPU memory controller bits 0-27 */
addr = rdev->uvd.gpu_addr >> 3;
- size = RADEON_GPU_PAGE_ALIGN(rdev->uvd.fw_size + 4) >> 3;
+ size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 4) >> 3;
WREG32(UVD_VCPU_CACHE_OFFSET0, addr);
WREG32(UVD_VCPU_CACHE_SIZE0, size);
@@ -1829,6 +1829,8 @@ static int rv770_startup(struct radeon_device *rdev)
/* enable pcie gen2 link */
rv770_pcie_gen2_enable(rdev);
+ rv770_mc_program(rdev);
+
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
r = r600_init_microcode(rdev);
if (r) {
@@ -1841,7 +1843,6 @@ static int rv770_startup(struct radeon_device *rdev)
if (r)
return r;
- rv770_mc_program(rdev);
if (rdev->flags & RADEON_IS_AGP) {
rv770_agp_enable(rdev);
} else {
@@ -1983,6 +1984,7 @@ int rv770_resume(struct radeon_device *rdev)
int rv770_suspend(struct radeon_device *rdev)
{
r600_audio_fini(rdev);
+ r600_uvd_stop(rdev);
radeon_uvd_suspend(rdev);
r700_cp_stop(rdev);
r600_dma_stop(rdev);
@@ -2098,6 +2100,7 @@ void rv770_fini(struct radeon_device *rdev)
radeon_ib_pool_fini(rdev);
radeon_irq_kms_fini(rdev);
rv770_pcie_gart_fini(rdev);
+ r600_uvd_stop(rdev);
radeon_uvd_fini(rdev);
r600_vram_scratch_fini(rdev);
radeon_gem_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index 2d34792..094c67a 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -2319,12 +2319,25 @@ int rv7xx_parse_power_table(struct radeon_device *rdev)
return 0;
}
+void rv770_get_engine_memory_ss(struct radeon_device *rdev)
+{
+ struct rv7xx_power_info *pi = rv770_get_pi(rdev);
+ struct radeon_atom_ss ss;
+
+ pi->sclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
+ ASIC_INTERNAL_ENGINE_SS, 0);
+ pi->mclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
+ ASIC_INTERNAL_MEMORY_SS, 0);
+
+ if (pi->sclk_ss || pi->mclk_ss)
+ pi->dynamic_ss = true;
+ else
+ pi->dynamic_ss = false;
+}
+
int rv770_dpm_init(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi;
- int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
- uint16_t data_offset, size;
- uint8_t frev, crev;
struct atom_clock_dividers dividers;
int ret;
@@ -2369,16 +2382,7 @@ int rv770_dpm_init(struct radeon_device *rdev)
pi->mvdd_control =
radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_MVDDC, 0);
- if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
- &frev, &crev, &data_offset)) {
- pi->sclk_ss = true;
- pi->mclk_ss = true;
- pi->dynamic_ss = true;
- } else {
- pi->sclk_ss = false;
- pi->mclk_ss = false;
- pi->dynamic_ss = false;
- }
+ rv770_get_engine_memory_ss(rdev);
pi->asi = RV770_ASI_DFLT;
pi->pasi = RV770_HASI_DFLT;
@@ -2393,8 +2397,7 @@ int rv770_dpm_init(struct radeon_device *rdev)
pi->dynamic_pcie_gen2 = true;
- if (pi->gfx_clock_gating &&
- (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE))
+ if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
pi->thermal_protection = true;
else
pi->thermal_protection = false;
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.h b/drivers/gpu/drm/radeon/rv770_dpm.h
index 96b1b2a..9244eff 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.h
+++ b/drivers/gpu/drm/radeon/rv770_dpm.h
@@ -275,6 +275,7 @@ void rv770_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
void rv770_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
struct radeon_ps *new_ps,
struct radeon_ps *old_ps);
+void rv770_get_engine_memory_ss(struct radeon_device *rdev);
/* smc */
int rv770_read_smc_soft_register(struct radeon_device *rdev,
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 6ca9046..daa8d2d 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -1663,9 +1663,13 @@ static int si_init_microcode(struct radeon_device *rdev)
snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
- if (err)
- goto out;
- if (rdev->smc_fw->size != smc_req_size) {
+ if (err) {
+ printk(KERN_ERR
+ "smc: error loading firmware \"%s\"\n",
+ fw_name);
+ release_firmware(rdev->smc_fw);
+ rdev->smc_fw = NULL;
+ } else if (rdev->smc_fw->size != smc_req_size) {
printk(KERN_ERR
"si_smc: Bogus length %zu in firmware \"%s\"\n",
rdev->smc_fw->size, fw_name);
@@ -6418,6 +6422,8 @@ static int si_startup(struct radeon_device *rdev)
/* enable aspm */
si_program_aspm(rdev);
+ si_mc_program(rdev);
+
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
!rdev->rlc_fw || !rdev->mc_fw) {
r = si_init_microcode(rdev);
@@ -6437,7 +6443,6 @@ static int si_startup(struct radeon_device *rdev)
if (r)
return r;
- si_mc_program(rdev);
r = si_pcie_gart_enable(rdev);
if (r)
return r;
@@ -6621,7 +6626,7 @@ int si_suspend(struct radeon_device *rdev)
si_cp_enable(rdev, false);
cayman_dma_stop(rdev);
if (rdev->has_uvd) {
- r600_uvd_rbc_stop(rdev);
+ r600_uvd_stop(rdev);
radeon_uvd_suspend(rdev);
}
si_irq_suspend(rdev);
@@ -6763,8 +6768,10 @@ void si_fini(struct radeon_device *rdev)
radeon_vm_manager_fini(rdev);
radeon_ib_pool_fini(rdev);
radeon_irq_kms_fini(rdev);
- if (rdev->has_uvd)
+ if (rdev->has_uvd) {
+ r600_uvd_stop(rdev);
radeon_uvd_fini(rdev);
+ }
si_pcie_gart_fini(rdev);
r600_vram_scratch_fini(rdev);
radeon_gem_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 4182557..88699e3 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2903,7 +2903,8 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
{
struct ni_ps *ps = ni_get_ps(rps);
struct radeon_clock_and_voltage_limits *max_limits;
- bool disable_mclk_switching;
+ bool disable_mclk_switching = false;
+ bool disable_sclk_switching = false;
u32 mclk, sclk;
u16 vddc, vddci;
int i;
@@ -2911,8 +2912,11 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
ni_dpm_vblank_too_short(rdev))
disable_mclk_switching = true;
- else
- disable_mclk_switching = false;
+
+ if (rps->vclk || rps->dclk) {
+ disable_mclk_switching = true;
+ disable_sclk_switching = true;
+ }
if (rdev->pm.dpm.ac_power)
max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
@@ -2940,27 +2944,43 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
if (disable_mclk_switching) {
mclk = ps->performance_levels[ps->performance_level_count - 1].mclk;
- sclk = ps->performance_levels[0].sclk;
- vddc = ps->performance_levels[0].vddc;
vddci = ps->performance_levels[ps->performance_level_count - 1].vddci;
} else {
- sclk = ps->performance_levels[0].sclk;
mclk = ps->performance_levels[0].mclk;
- vddc = ps->performance_levels[0].vddc;
vddci = ps->performance_levels[0].vddci;
}
+ if (disable_sclk_switching) {
+ sclk = ps->performance_levels[ps->performance_level_count - 1].sclk;
+ vddc = ps->performance_levels[ps->performance_level_count - 1].vddc;
+ } else {
+ sclk = ps->performance_levels[0].sclk;
+ vddc = ps->performance_levels[0].vddc;
+ }
+
/* adjusted low state */
ps->performance_levels[0].sclk = sclk;
ps->performance_levels[0].mclk = mclk;
ps->performance_levels[0].vddc = vddc;
ps->performance_levels[0].vddci = vddci;
- for (i = 1; i < ps->performance_level_count; i++) {
- if (ps->performance_levels[i].sclk < ps->performance_levels[i - 1].sclk)
- ps->performance_levels[i].sclk = ps->performance_levels[i - 1].sclk;
- if (ps->performance_levels[i].vddc < ps->performance_levels[i - 1].vddc)
- ps->performance_levels[i].vddc = ps->performance_levels[i - 1].vddc;
+ if (disable_sclk_switching) {
+ sclk = ps->performance_levels[0].sclk;
+ for (i = 1; i < ps->performance_level_count; i++) {
+ if (sclk < ps->performance_levels[i].sclk)
+ sclk = ps->performance_levels[i].sclk;
+ }
+ for (i = 0; i < ps->performance_level_count; i++) {
+ ps->performance_levels[i].sclk = sclk;
+ ps->performance_levels[i].vddc = vddc;
+ }
+ } else {
+ for (i = 1; i < ps->performance_level_count; i++) {
+ if (ps->performance_levels[i].sclk < ps->performance_levels[i - 1].sclk)
+ ps->performance_levels[i].sclk = ps->performance_levels[i - 1].sclk;
+ if (ps->performance_levels[i].vddc < ps->performance_levels[i - 1].vddc)
+ ps->performance_levels[i].vddc = ps->performance_levels[i - 1].vddc;
+ }
}
if (disable_mclk_switching) {
@@ -6253,9 +6273,6 @@ int si_dpm_init(struct radeon_device *rdev)
struct evergreen_power_info *eg_pi;
struct ni_power_info *ni_pi;
struct si_power_info *si_pi;
- int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
- u16 data_offset, size;
- u8 frev, crev;
struct atom_clock_dividers dividers;
int ret;
u32 mask;
@@ -6346,16 +6363,7 @@ int si_dpm_init(struct radeon_device *rdev)
si_pi->vddc_phase_shed_control =
radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, VOLTAGE_OBJ_PHASE_LUT);
- if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
- &frev, &crev, &data_offset)) {
- pi->sclk_ss = true;
- pi->mclk_ss = true;
- pi->dynamic_ss = true;
- } else {
- pi->sclk_ss = false;
- pi->mclk_ss = false;
- pi->dynamic_ss = true;
- }
+ rv770_get_engine_memory_ss(rdev);
pi->asi = RV770_ASI_DFLT;
pi->pasi = CYPRESS_HASI_DFLT;
@@ -6366,8 +6374,7 @@ int si_dpm_init(struct radeon_device *rdev)
eg_pi->sclk_deep_sleep = true;
si_pi->sclk_deep_sleep_above_low = false;
- if (pi->gfx_clock_gating &&
- (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE))
+ if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
pi->thermal_protection = true;
else
pi->thermal_protection = false;
diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index 7a57648..cd33084 100644
--- a/drivers/hid/hid-logitech-dj.c
+++ b/drivers/hid/hid-logitech-dj.c
@@ -488,8 +488,6 @@ static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev)
if (djrcv_dev->querying_devices)
return 0;
- djrcv_dev->querying_devices = true;
-
dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL);
if (!dj_report)
return -ENOMEM;
diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
index 0f34bca..6099f50 100644
--- a/drivers/hwmon/adt7470.c
+++ b/drivers/hwmon/adt7470.c
@@ -215,7 +215,7 @@ static inline int adt7470_write_word_data(struct i2c_client *client, u8 reg,
u16 value)
{
return i2c_smbus_write_byte_data(client, reg, value & 0xFF)
- && i2c_smbus_write_byte_data(client, reg + 1, value >> 8);
+ || i2c_smbus_write_byte_data(client, reg + 1, value >> 8);
}
static void adt7470_init_client(struct i2c_client *client)
diff --git a/drivers/i2c/busses/i2c-kempld.c b/drivers/i2c/busses/i2c-kempld.c
index ccec916..af8f65f 100644
--- a/drivers/i2c/busses/i2c-kempld.c
+++ b/drivers/i2c/busses/i2c-kempld.c
@@ -246,9 +246,9 @@ static void kempld_i2c_device_init(struct kempld_i2c_data *i2c)
bus_frequency = KEMPLD_I2C_FREQ_MAX;
if (pld->info.spec_major == 1)
- prescale = pld->pld_clock / bus_frequency * 5 - 1000;
+ prescale = pld->pld_clock / (bus_frequency * 5) - 1000;
else
- prescale = pld->pld_clock / bus_frequency * 4 - 3000;
+ prescale = pld->pld_clock / (bus_frequency * 4) - 3000;
if (prescale < 0)
prescale = 0;
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index df8ff5a..e2e9a0d 100644
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -493,7 +493,7 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg,
* based on this empirical measurement and a lot of previous frobbing.
*/
i2c->cmd_err = 0;
- if (msg->len < 8) {
+ if (0) { /* disable PIO mode until a proper fix is made */
ret = mxs_i2c_pio_setup_xfer(adap, msg, flags);
if (ret)
mxs_i2c_reset(i2c);
diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
index 0ad208a..3ceac3e 100644
--- a/drivers/iio/adc/ti_am335x_adc.c
+++ b/drivers/iio/adc/ti_am335x_adc.c
@@ -60,7 +60,6 @@ static void tiadc_step_config(struct tiadc_device *adc_dev)
{
unsigned int stepconfig;
int i, steps;
- u32 step_en;
/*
* There are 16 configurable steps and 8 analog input
@@ -86,8 +85,7 @@ static void tiadc_step_config(struct tiadc_device *adc_dev)
adc_dev->channel_step[i] = steps;
steps++;
}
- step_en = get_adc_step_mask(adc_dev);
- am335x_tsc_se_set(adc_dev->mfd_tscadc, step_en);
+
}
static const char * const chan_name_ain[] = {
@@ -142,10 +140,22 @@ static int tiadc_read_raw(struct iio_dev *indio_dev,
int *val, int *val2, long mask)
{
struct tiadc_device *adc_dev = iio_priv(indio_dev);
- int i;
- unsigned int fifo1count, read;
+ int i, map_val;
+ unsigned int fifo1count, read, stepid;
u32 step = UINT_MAX;
bool found = false;
+ u32 step_en;
+ unsigned long timeout = jiffies + usecs_to_jiffies
+ (IDLE_TIMEOUT * adc_dev->channels);
+ step_en = get_adc_step_mask(adc_dev);
+ am335x_tsc_se_set(adc_dev->mfd_tscadc, step_en);
+
+ /* Wait for ADC sequencer to complete sampling */
+ while (tiadc_readl(adc_dev, REG_ADCFSM) & SEQ_STATUS) {
+ if (time_after(jiffies, timeout))
+ return -EAGAIN;
+ }
+ map_val = chan->channel + TOTAL_CHANNELS;
/*
* When the sub-system is first enabled,
@@ -170,12 +180,16 @@ static int tiadc_read_raw(struct iio_dev *indio_dev,
fifo1count = tiadc_readl(adc_dev, REG_FIFO1CNT);
for (i = 0; i < fifo1count; i++) {
read = tiadc_readl(adc_dev, REG_FIFO1);
- if (read >> 16 == step) {
- *val = read & 0xfff;
+ stepid = read & FIFOREAD_CHNLID_MASK;
+ stepid = stepid >> 0x10;
+
+ if (stepid == map_val) {
+ read = read & FIFOREAD_DATA_MASK;
found = true;
+ *val = read;
}
}
- am335x_tsc_se_update(adc_dev->mfd_tscadc);
+
if (found == false)
return -EBUSY;
return IIO_VAL_INT;
diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c
index ea8a414..0dd9bb8 100644
--- a/drivers/iio/industrialio-trigger.c
+++ b/drivers/iio/industrialio-trigger.c
@@ -127,12 +127,17 @@ static struct iio_trigger *iio_trigger_find_by_name(const char *name,
void iio_trigger_poll(struct iio_trigger *trig, s64 time)
{
int i;
- if (!trig->use_count)
- for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++)
- if (trig->subirqs[i].enabled) {
- trig->use_count++;
+
+ if (!atomic_read(&trig->use_count)) {
+ atomic_set(&trig->use_count, CONFIG_IIO_CONSUMERS_PER_TRIGGER);
+
+ for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++) {
+ if (trig->subirqs[i].enabled)
generic_handle_irq(trig->subirq_base + i);
- }
+ else
+ iio_trigger_notify_done(trig);
+ }
+ }
}
EXPORT_SYMBOL(iio_trigger_poll);
@@ -146,19 +151,24 @@ EXPORT_SYMBOL(iio_trigger_generic_data_rdy_poll);
void iio_trigger_poll_chained(struct iio_trigger *trig, s64 time)
{
int i;
- if (!trig->use_count)
- for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++)
- if (trig->subirqs[i].enabled) {
- trig->use_count++;
+
+ if (!atomic_read(&trig->use_count)) {
+ atomic_set(&trig->use_count, CONFIG_IIO_CONSUMERS_PER_TRIGGER);
+
+ for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++) {
+ if (trig->subirqs[i].enabled)
handle_nested_irq(trig->subirq_base + i);
- }
+ else
+ iio_trigger_notify_done(trig);
+ }
+ }
}
EXPORT_SYMBOL(iio_trigger_poll_chained);
void iio_trigger_notify_done(struct iio_trigger *trig)
{
- trig->use_count--;
- if (trig->use_count == 0 && trig->ops && trig->ops->try_reenable)
+ if (atomic_dec_and_test(&trig->use_count) && trig->ops &&
+ trig->ops->try_reenable)
if (trig->ops->try_reenable(trig))
/* Missed an interrupt so launch new poll now */
iio_trigger_poll(trig, 0);
diff --git a/drivers/media/i2c/ml86v7667.c b/drivers/media/i2c/ml86v7667.c
index efdc873..a985702 100644
--- a/drivers/media/i2c/ml86v7667.c
+++ b/drivers/media/i2c/ml86v7667.c
@@ -117,7 +117,7 @@ static int ml86v7667_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct v4l2_subdev *sd = to_sd(ctrl);
struct i2c_client *client = v4l2_get_subdevdata(sd);
- int ret;
+ int ret = -EINVAL;
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
@@ -157,7 +157,7 @@ static int ml86v7667_s_ctrl(struct v4l2_ctrl *ctrl)
break;
}
- return 0;
+ return ret;
}
static int ml86v7667_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
index df4ada88..bd9405d 100644
--- a/drivers/media/platform/coda.c
+++ b/drivers/media/platform/coda.c
@@ -1987,7 +1987,7 @@ MODULE_DEVICE_TABLE(platform, coda_platform_ids);
#ifdef CONFIG_OF
static const struct of_device_id coda_dt_ids[] = {
- { .compatible = "fsl,imx27-vpu", .data = &coda_platform_ids[CODA_IMX27] },
+ { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
{ .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
{ /* sentinel */ }
};
diff --git a/drivers/media/platform/s5p-g2d/g2d.c b/drivers/media/platform/s5p-g2d/g2d.c
index 553d87e..fd6289d 100644
--- a/drivers/media/platform/s5p-g2d/g2d.c
+++ b/drivers/media/platform/s5p-g2d/g2d.c
@@ -784,6 +784,7 @@ static int g2d_probe(struct platform_device *pdev)
}
*vfd = g2d_videodev;
vfd->lock = &dev->mutex;
+ vfd->v4l2_dev = &dev->v4l2_dev;
ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
if (ret) {
v4l2_err(&dev->v4l2_dev, "Failed to register video device\n");
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index 5296385..4f6dd42 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -344,7 +344,7 @@ static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
pix_mp->num_planes = 2;
/* Set pixelformat to the format in which MFC
outputs the decoded frame */
- pix_mp->pixelformat = V4L2_PIX_FMT_NV12MT;
+ pix_mp->pixelformat = ctx->dst_fmt->fourcc;
pix_mp->plane_fmt[0].bytesperline = ctx->buf_width;
pix_mp->plane_fmt[0].sizeimage = ctx->luma_size;
pix_mp->plane_fmt[1].bytesperline = ctx->buf_width;
@@ -382,10 +382,16 @@ static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
mfc_err("Unsupported format for source.\n");
return -EINVAL;
}
- if (!IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) {
- mfc_err("Not supported format.\n");
+ if (fmt->codec_mode == S5P_FIMV_CODEC_NONE) {
+ mfc_err("Unknown codec\n");
return -EINVAL;
}
+ if (!IS_MFCV6(dev)) {
+ if (fmt->fourcc == V4L2_PIX_FMT_VP8) {
+ mfc_err("Not supported format.\n");
+ return -EINVAL;
+ }
+ }
} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
fmt = find_format(f, MFC_FMT_RAW);
if (!fmt) {
@@ -411,7 +417,6 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
struct s5p_mfc_dev *dev = video_drvdata(file);
struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
int ret = 0;
- struct s5p_mfc_fmt *fmt;
struct v4l2_pix_format_mplane *pix_mp;
mfc_debug_enter();
@@ -425,54 +430,32 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
goto out;
}
if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
- fmt = find_format(f, MFC_FMT_RAW);
- if (!fmt) {
- mfc_err("Unsupported format for source.\n");
- return -EINVAL;
- }
- if (!IS_MFCV6(dev) && (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) {
- mfc_err("Not supported format.\n");
- return -EINVAL;
- } else if (IS_MFCV6(dev) &&
- (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) {
- mfc_err("Not supported format.\n");
- return -EINVAL;
- }
- ctx->dst_fmt = fmt;
- mfc_debug_leave();
- return ret;
- } else if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
- mfc_err("Wrong type error for S_FMT : %d", f->type);
- return -EINVAL;
- }
- fmt = find_format(f, MFC_FMT_DEC);
- if (!fmt || fmt->codec_mode == S5P_MFC_CODEC_NONE) {
- mfc_err("Unknown codec\n");
- ret = -EINVAL;
+ /* dst_fmt is validated by call to vidioc_try_fmt */
+ ctx->dst_fmt = find_format(f, MFC_FMT_RAW);
+ ret = 0;
goto out;
- }
- if (fmt->type != MFC_FMT_DEC) {
- mfc_err("Wrong format selected, you should choose "
- "format for decoding\n");
+ } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+ /* src_fmt is validated by call to vidioc_try_fmt */
+ ctx->src_fmt = find_format(f, MFC_FMT_DEC);
+ ctx->codec_mode = ctx->src_fmt->codec_mode;
+ mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
+ pix_mp->height = 0;
+ pix_mp->width = 0;
+ if (pix_mp->plane_fmt[0].sizeimage)
+ ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
+ else
+ pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size =
+ DEF_CPB_SIZE;
+ pix_mp->plane_fmt[0].bytesperline = 0;
+ ctx->state = MFCINST_INIT;
+ ret = 0;
+ goto out;
+ } else {
+ mfc_err("Wrong type error for S_FMT : %d", f->type);
ret = -EINVAL;
goto out;
}
- if (!IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) {
- mfc_err("Not supported format.\n");
- return -EINVAL;
- }
- ctx->src_fmt = fmt;
- ctx->codec_mode = fmt->codec_mode;
- mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
- pix_mp->height = 0;
- pix_mp->width = 0;
- if (pix_mp->plane_fmt[0].sizeimage)
- ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
- else
- pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size =
- DEF_CPB_SIZE;
- pix_mp->plane_fmt[0].bytesperline = 0;
- ctx->state = MFCINST_INIT;
+
out:
mfc_debug_leave();
return ret;
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
index 2549967..59e56f4 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
@@ -906,6 +906,7 @@ static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
{
+ struct s5p_mfc_dev *dev = video_drvdata(file);
struct s5p_mfc_fmt *fmt;
struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
@@ -930,6 +931,18 @@ static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
return -EINVAL;
}
+ if (!IS_MFCV6(dev)) {
+ if (fmt->fourcc == V4L2_PIX_FMT_NV12MT_16X16) {
+ mfc_err("Not supported format.\n");
+ return -EINVAL;
+ }
+ } else if (IS_MFCV6(dev)) {
+ if (fmt->fourcc == V4L2_PIX_FMT_NV12MT) {
+ mfc_err("Not supported format.\n");
+ return -EINVAL;
+ }
+ }
+
if (fmt->num_planes != pix_fmt_mp->num_planes) {
mfc_err("failed to try output format\n");
return -EINVAL;
@@ -947,7 +960,6 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
{
struct s5p_mfc_dev *dev = video_drvdata(file);
struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
- struct s5p_mfc_fmt *fmt;
struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
int ret = 0;
@@ -960,13 +972,9 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
goto out;
}
if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
- fmt = find_format(f, MFC_FMT_ENC);
- if (!fmt) {
- mfc_err("failed to set capture format\n");
- return -EINVAL;
- }
+ /* dst_fmt is validated by call to vidioc_try_fmt */
+ ctx->dst_fmt = find_format(f, MFC_FMT_ENC);
ctx->state = MFCINST_INIT;
- ctx->dst_fmt = fmt;
ctx->codec_mode = ctx->dst_fmt->codec_mode;
ctx->enc_dst_buf_size = pix_fmt_mp->plane_fmt[0].sizeimage;
pix_fmt_mp->plane_fmt[0].bytesperline = 0;
@@ -987,28 +995,8 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
}
mfc_debug(2, "Got instance number: %d\n", ctx->inst_no);
} else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
- fmt = find_format(f, MFC_FMT_RAW);
- if (!fmt) {
- mfc_err("failed to set output format\n");
- return -EINVAL;
- }
-
- if (!IS_MFCV6(dev) &&
- (fmt->fourcc == V4L2_PIX_FMT_NV12MT_16X16)) {
- mfc_err("Not supported format.\n");
- return -EINVAL;
- } else if (IS_MFCV6(dev) &&
- (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) {
- mfc_err("Not supported format.\n");
- return -EINVAL;
- }
-
- if (fmt->num_planes != pix_fmt_mp->num_planes) {
- mfc_err("failed to set output format\n");
- ret = -EINVAL;
- goto out;
- }
- ctx->src_fmt = fmt;
+ /* src_fmt is validated by call to vidioc_try_fmt */
+ ctx->src_fmt = find_format(f, MFC_FMT_RAW);
ctx->img_width = pix_fmt_mp->width;
ctx->img_height = pix_fmt_mp->height;
mfc_debug(2, "codec number: %d\n", ctx->src_fmt->codec_mode);
diff --git a/drivers/media/usb/em28xx/em28xx-i2c.c b/drivers/media/usb/em28xx/em28xx-i2c.c
index 4851cc2..c4ff973 100644
--- a/drivers/media/usb/em28xx/em28xx-i2c.c
+++ b/drivers/media/usb/em28xx/em28xx-i2c.c
@@ -726,7 +726,7 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned bus,
*eedata = data;
*eedata_len = len;
- dev_config = (void *)eedata;
+ dev_config = (void *)*eedata;
switch (le16_to_cpu(dev_config->chip_conf) >> 4 & 0x3) {
case 0:
diff --git a/drivers/media/usb/hdpvr/hdpvr-core.c b/drivers/media/usb/hdpvr/hdpvr-core.c
index cb69405..6e50707 100644
--- a/drivers/media/usb/hdpvr/hdpvr-core.c
+++ b/drivers/media/usb/hdpvr/hdpvr-core.c
@@ -303,6 +303,11 @@ static int hdpvr_probe(struct usb_interface *interface,
dev->workqueue = 0;
+ /* init video transfer queues first of all */
+ /* to prevent oops in hdpvr_delete() on error paths */
+ INIT_LIST_HEAD(&dev->free_buff_list);
+ INIT_LIST_HEAD(&dev->rec_buff_list);
+
/* register v4l2_device early so it can be used for printks */
if (v4l2_device_register(&interface->dev, &dev->v4l2_dev)) {
dev_err(&interface->dev, "v4l2_device_register failed\n");
@@ -325,10 +330,6 @@ static int hdpvr_probe(struct usb_interface *interface,
if (!dev->workqueue)
goto error;
- /* init video transfer queues */
- INIT_LIST_HEAD(&dev->free_buff_list);
- INIT_LIST_HEAD(&dev->rec_buff_list);
-
dev->options = hdpvr_default_options;
if (default_video_input < HDPVR_VIDEO_INPUTS)
@@ -405,7 +406,7 @@ static int hdpvr_probe(struct usb_interface *interface,
video_nr[atomic_inc_return(&dev_nr)]);
if (retval < 0) {
v4l2_err(&dev->v4l2_dev, "registering videodev failed\n");
- goto error;
+ goto reg_fail;
}
/* let the user know what node this device is now attached to */
diff --git a/drivers/media/usb/usbtv/Kconfig b/drivers/media/usb/usbtv/Kconfig
index 8864436..7c5b860 100644
--- a/drivers/media/usb/usbtv/Kconfig
+++ b/drivers/media/usb/usbtv/Kconfig
@@ -1,6 +1,6 @@
config VIDEO_USBTV
tristate "USBTV007 video capture support"
- depends on VIDEO_DEV
+ depends on VIDEO_V4L2
select VIDEOBUF2_VMALLOC
---help---
diff --git a/drivers/media/usb/usbtv/usbtv.c b/drivers/media/usb/usbtv/usbtv.c
index bf43f87..9165017 100644
--- a/drivers/media/usb/usbtv/usbtv.c
+++ b/drivers/media/usb/usbtv/usbtv.c
@@ -57,7 +57,7 @@
#define USBTV_CHUNK_SIZE 256
#define USBTV_CHUNK 240
#define USBTV_CHUNKS (USBTV_WIDTH * USBTV_HEIGHT \
- / 2 / USBTV_CHUNK)
+ / 4 / USBTV_CHUNK)
/* Chunk header. */
#define USBTV_MAGIC_OK(chunk) ((be32_to_cpu(chunk[0]) & 0xff000000) \
@@ -89,6 +89,7 @@ struct usbtv {
/* Number of currently processed frame, useful find
* out when a new one begins. */
u32 frame_id;
+ int chunks_done;
int iso_size;
unsigned int sequence;
@@ -202,6 +203,26 @@ static int usbtv_setup_capture(struct usbtv *usbtv)
return 0;
}
+/* Copy data from chunk into a frame buffer, deinterlacing the data
+ * into every second line. Unfortunately, they don't align nicely into
+ * 720 pixel lines, as the chunk is 240 words long, which is 480 pixels.
+ * Therefore, we break down the chunk into two halves before copyting,
+ * so that we can interleave a line if needed. */
+static void usbtv_chunk_to_vbuf(u32 *frame, u32 *src, int chunk_no, int odd)
+{
+ int half;
+
+ for (half = 0; half < 2; half++) {
+ int part_no = chunk_no * 2 + half;
+ int line = part_no / 3;
+ int part_index = (line * 2 + !odd) * 3 + (part_no % 3);
+
+ u32 *dst = &frame[part_index * USBTV_CHUNK/2];
+ memcpy(dst, src, USBTV_CHUNK/2 * sizeof(*src));
+ src += USBTV_CHUNK/2;
+ }
+}
+
/* Called for each 256-byte image chunk.
* First word identifies the chunk, followed by 240 words of image
* data and padding. */
@@ -218,17 +239,17 @@ static void usbtv_image_chunk(struct usbtv *usbtv, u32 *chunk)
frame_id = USBTV_FRAME_ID(chunk);
odd = USBTV_ODD(chunk);
chunk_no = USBTV_CHUNK_NO(chunk);
-
- /* Deinterlace. TODO: Use interlaced frame format. */
- chunk_no = (chunk_no - chunk_no % 3) * 2 + chunk_no % 3;
- chunk_no += !odd * 3;
-
if (chunk_no >= USBTV_CHUNKS)
return;
/* Beginning of a frame. */
- if (chunk_no == 0)
+ if (chunk_no == 0) {
usbtv->frame_id = frame_id;
+ usbtv->chunks_done = 0;
+ }
+
+ if (usbtv->frame_id != frame_id)
+ return;
spin_lock_irqsave(&usbtv->buflock, flags);
if (list_empty(&usbtv->bufs)) {
@@ -241,19 +262,23 @@ static void usbtv_image_chunk(struct usbtv *usbtv, u32 *chunk)
buf = list_first_entry(&usbtv->bufs, struct usbtv_buf, list);
frame = vb2_plane_vaddr(&buf->vb, 0);
- /* Copy the chunk. */
- memcpy(&frame[chunk_no * USBTV_CHUNK], &chunk[1],
- USBTV_CHUNK * sizeof(chunk[1]));
+ /* Copy the chunk data. */
+ usbtv_chunk_to_vbuf(frame, &chunk[1], chunk_no, odd);
+ usbtv->chunks_done++;
/* Last chunk in a frame, signalling an end */
- if (usbtv->frame_id && chunk_no == USBTV_CHUNKS-1) {
+ if (odd && chunk_no == USBTV_CHUNKS-1) {
int size = vb2_plane_size(&buf->vb, 0);
+ enum vb2_buffer_state state = usbtv->chunks_done ==
+ USBTV_CHUNKS ?
+ VB2_BUF_STATE_DONE :
+ VB2_BUF_STATE_ERROR;
buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED;
buf->vb.v4l2_buf.sequence = usbtv->sequence++;
v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
vb2_set_plane_payload(&buf->vb, 0, size);
- vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE);
+ vb2_buffer_done(&buf->vb, state);
list_del(&buf->list);
}
@@ -518,7 +543,7 @@ static int usbtv_queue_setup(struct vb2_queue *vq,
if (*nbuffers < 2)
*nbuffers = 2;
*nplanes = 1;
- sizes[0] = USBTV_CHUNK * USBTV_CHUNKS * sizeof(u32);
+ sizes[0] = USBTV_WIDTH * USBTV_HEIGHT / 2 * sizeof(u32);
return 0;
}
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index dbdc5f7..01e264f 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -317,13 +317,20 @@ void acpi_pci_remove_bus(struct pci_bus *bus)
/* ACPI bus type */
static int acpi_pci_find_device(struct device *dev, acpi_handle *handle)
{
- struct pci_dev * pci_dev;
- u64 addr;
+ struct pci_dev *pci_dev = to_pci_dev(dev);
+ bool is_bridge;
+ u64 addr;
- pci_dev = to_pci_dev(dev);
+ /*
+ * pci_is_bridge() is not suitable here, because pci_dev->subordinate
+ * is set only after acpi_pci_find_device() has been called for the
+ * given device.
+ */
+ is_bridge = pci_dev->hdr_type == PCI_HEADER_TYPE_BRIDGE
+ || pci_dev->hdr_type == PCI_HEADER_TYPE_CARDBUS;
/* Please ref to ACPI spec for the syntax of _ADR */
addr = (PCI_SLOT(pci_dev->devfn) << 16) | PCI_FUNC(pci_dev->devfn);
- *handle = acpi_get_child(DEVICE_ACPI_HANDLE(dev->parent), addr);
+ *handle = acpi_find_child(ACPI_HANDLE(dev->parent), addr, is_bridge);
if (!*handle)
return -ENODEV;
return 0;
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 17150a7..451bf99 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2392,6 +2392,12 @@ int dasd_sleep_on_immediatly(struct dasd_ccw_req *cqr)
rc = cqr->intrc;
else
rc = -EIO;
+
+ /* kick tasklets */
+ dasd_schedule_device_bh(device);
+ if (device->block)
+ dasd_schedule_block_bh(device->block);
+
return rc;
}
diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h
index b6d1f92..c18c681 100644
--- a/drivers/scsi/fnic/fnic.h
+++ b/drivers/scsi/fnic/fnic.h
@@ -38,7 +38,7 @@
#define DRV_NAME "fnic"
#define DRV_DESCRIPTION "Cisco FCoE HBA Driver"
-#define DRV_VERSION "1.5.0.22"
+#define DRV_VERSION "1.5.0.23"
#define PFX DRV_NAME ": "
#define DFX DRV_NAME "%d: "
diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
index 5f09d18..42e15ee 100644
--- a/drivers/scsi/fnic/fnic_main.c
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -642,19 +642,6 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
INIT_WORK(&fnic->fip_frame_work, fnic_handle_fip_frame);
INIT_WORK(&fnic->event_work, fnic_handle_event);
skb_queue_head_init(&fnic->fip_frame_queue);
- spin_lock_irqsave(&fnic_list_lock, flags);
- if (!fnic_fip_queue) {
- fnic_fip_queue =
- create_singlethread_workqueue("fnic_fip_q");
- if (!fnic_fip_queue) {
- spin_unlock_irqrestore(&fnic_list_lock, flags);
- printk(KERN_ERR PFX "fnic FIP work queue "
- "create failed\n");
- err = -ENOMEM;
- goto err_out_free_max_pool;
- }
- }
- spin_unlock_irqrestore(&fnic_list_lock, flags);
INIT_LIST_HEAD(&fnic->evlist);
INIT_LIST_HEAD(&fnic->vlans);
} else {
@@ -960,6 +947,13 @@ static int __init fnic_init_module(void)
spin_lock_init(&fnic_list_lock);
INIT_LIST_HEAD(&fnic_list);
+ fnic_fip_queue = create_singlethread_workqueue("fnic_fip_q");
+ if (!fnic_fip_queue) {
+ printk(KERN_ERR PFX "fnic FIP work queue create failed\n");
+ err = -ENOMEM;
+ goto err_create_fip_workq;
+ }
+
fnic_fc_transport = fc_attach_transport(&fnic_fc_functions);
if (!fnic_fc_transport) {
printk(KERN_ERR PFX "fc_attach_transport error\n");
@@ -978,6 +972,8 @@ static int __init fnic_init_module(void)
err_pci_register:
fc_release_transport(fnic_fc_transport);
err_fc_transport:
+ destroy_workqueue(fnic_fip_queue);
+err_create_fip_workq:
destroy_workqueue(fnic_event_queue);
err_create_fnic_workq:
kmem_cache_destroy(fnic_io_req_cache);
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 0177295..1f0ca68 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -3547,11 +3547,21 @@ static int megasas_init_fw(struct megasas_instance *instance)
break;
}
- /*
- * We expect the FW state to be READY
- */
- if (megasas_transition_to_ready(instance, 0))
- goto fail_ready_state;
+ if (megasas_transition_to_ready(instance, 0)) {
+ atomic_set(&instance->fw_reset_no_pci_access, 1);
+ instance->instancet->adp_reset
+ (instance, instance->reg_set);
+ atomic_set(&instance->fw_reset_no_pci_access, 0);
+ dev_info(&instance->pdev->dev,
+ "megasas: FW restarted successfully from %s!\n",
+ __func__);
+
+ /*waitting for about 30 second before retry*/
+ ssleep(30);
+
+ if (megasas_transition_to_ready(instance, 0))
+ goto fail_ready_state;
+ }
/*
* MSI-X host index 0 is common for all adapter.
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 3b1ea34..eaa808e 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -1031,6 +1031,9 @@ int scsi_get_vpd_page(struct scsi_device *sdev, u8 page, unsigned char *buf,
{
int i, result;
+ if (sdev->skip_vpd_pages)
+ goto fail;
+
/* Ask for all the pages supported by this device */
result = scsi_vpd_inquiry(sdev, buf, 0, buf_len);
if (result)
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 2168258..74b88ef 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -751,7 +751,7 @@ static void __virtscsi_set_affinity(struct virtio_scsi *vscsi, bool affinity)
vscsi->affinity_hint_set = true;
} else {
- for (i = 0; i < vscsi->num_queues - VIRTIO_SCSI_VQ_BASE; i++)
+ for (i = 0; i < vscsi->num_queues; i++)
virtqueue_set_affinity(vscsi->req_vqs[i].vq, -1);
vscsi->affinity_hint_set = false;
diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c
index 222d3e3..707966b 100644
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -609,7 +609,7 @@ static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t)
else
buf = (void *)t->tx_buf;
t->tx_dma = dma_map_single(&spi->dev, buf,
- t->len, DMA_FROM_DEVICE);
+ t->len, DMA_TO_DEVICE);
if (!t->tx_dma) {
ret = -EFAULT;
goto err_tx_map;
diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c
index dcceed2..81972fa 100644
--- a/drivers/staging/zcache/zcache-main.c
+++ b/drivers/staging/zcache/zcache-main.c
@@ -1811,10 +1811,12 @@ static int zcache_comp_init(void)
#else
if (*zcache_comp_name != '\0') {
ret = crypto_has_comp(zcache_comp_name, 0, 0);
- if (!ret)
+ if (!ret) {
pr_info("zcache: %s not supported\n",
zcache_comp_name);
- goto out;
+ ret = 1;
+ goto out;
+ }
}
if (!ret)
strcpy(zcache_comp_name, "lzo");
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 4a8a1d6..558313d 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4798,7 +4798,8 @@ static void hub_events(void)
hub->ports[i - 1]->child;
dev_dbg(hub_dev, "warm reset port %d\n", i);
- if (!udev) {
+ if (!udev || !(portstatus &
+ USB_PORT_STAT_CONNECTION)) {
status = hub_port_reset(hub, i,
NULL, HUB_BH_RESET_TIME,
true);
@@ -4808,8 +4809,8 @@ static void hub_events(void)
usb_lock_device(udev);
status = usb_reset_device(udev);
usb_unlock_device(udev);
+ connect_change = 0;
}
- connect_change = 0;
}
if (connect_change)
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index df6978a..6f8c2fd 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -24,6 +24,7 @@
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/dmapool.h>
+#include <linux/dma-mapping.h>
#include "xhci.h"
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 41eb4fc..9478caa 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -27,6 +27,7 @@
#include <linux/moduleparam.h>
#include <linux/slab.h>
#include <linux/dmi.h>
+#include <linux/dma-mapping.h>
#include "xhci.h"
diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c
index 3ba3771..dc09ebe 100644
--- a/drivers/video/mxsfb.c
+++ b/drivers/video/mxsfb.c
@@ -239,24 +239,6 @@ static const struct fb_bitfield def_rgb565[] = {
}
};
-static const struct fb_bitfield def_rgb666[] = {
- [RED] = {
- .offset = 16,
- .length = 6,
- },
- [GREEN] = {
- .offset = 8,
- .length = 6,
- },
- [BLUE] = {
- .offset = 0,
- .length = 6,
- },
- [TRANSP] = { /* no support for transparency */
- .length = 0,
- }
-};
-
static const struct fb_bitfield def_rgb888[] = {
[RED] = {
.offset = 16,
@@ -309,9 +291,6 @@ static int mxsfb_check_var(struct fb_var_screeninfo *var,
break;
case STMLCDIF_16BIT:
case STMLCDIF_18BIT:
- /* 24 bit to 18 bit mapping */
- rgb = def_rgb666;
- break;
case STMLCDIF_24BIT:
/* real 24 bit */
rgb = def_rgb888;
@@ -453,11 +432,6 @@ static int mxsfb_set_par(struct fb_info *fb_info)
return -EINVAL;
case STMLCDIF_16BIT:
case STMLCDIF_18BIT:
- /* 24 bit to 18 bit mapping */
- ctrl |= CTRL_DF24; /* ignore the upper 2 bits in
- * each colour component
- */
- break;
case STMLCDIF_24BIT:
/* real 24 bit */
break;
diff --git a/drivers/video/omap2/displays-new/connector-analog-tv.c b/drivers/video/omap2/displays-new/connector-analog-tv.c
index 5338f36..1b60698 100644
--- a/drivers/video/omap2/displays-new/connector-analog-tv.c
+++ b/drivers/video/omap2/displays-new/connector-analog-tv.c
@@ -28,6 +28,20 @@ struct panel_drv_data {
bool invert_polarity;
};
+static const struct omap_video_timings tvc_pal_timings = {
+ .x_res = 720,
+ .y_res = 574,
+ .pixel_clock = 13500,
+ .hsw = 64,
+ .hfp = 12,
+ .hbp = 68,
+ .vsw = 5,
+ .vfp = 5,
+ .vbp = 41,
+
+ .interlace = true,
+};
+
#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
static int tvc_connect(struct omap_dss_device *dssdev)
@@ -212,14 +226,14 @@ static int tvc_probe(struct platform_device *pdev)
return -ENODEV;
}
- ddata->timings = omap_dss_pal_timings;
+ ddata->timings = tvc_pal_timings;
dssdev = &ddata->dssdev;
dssdev->driver = &tvc_driver;
dssdev->dev = &pdev->dev;
dssdev->type = OMAP_DISPLAY_TYPE_VENC;
dssdev->owner = THIS_MODULE;
- dssdev->panel.timings = omap_dss_pal_timings;
+ dssdev->panel.timings = tvc_pal_timings;
r = omapdss_register_display(dssdev);
if (r) {
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index eaf1333..8bc5e8c 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -36,16 +36,23 @@ static int check_extent_in_eb(struct btrfs_key *key, struct extent_buffer *eb,
u64 extent_item_pos,
struct extent_inode_elem **eie)
{
- u64 data_offset;
- u64 data_len;
+ u64 offset = 0;
struct extent_inode_elem *e;
- data_offset = btrfs_file_extent_offset(eb, fi);
- data_len = btrfs_file_extent_num_bytes(eb, fi);
+ if (!btrfs_file_extent_compression(eb, fi) &&
+ !btrfs_file_extent_encryption(eb, fi) &&
+ !btrfs_file_extent_other_encoding(eb, fi)) {
+ u64 data_offset;
+ u64 data_len;
- if (extent_item_pos < data_offset ||
- extent_item_pos >= data_offset + data_len)
- return 1;
+ data_offset = btrfs_file_extent_offset(eb, fi);
+ data_len = btrfs_file_extent_num_bytes(eb, fi);
+
+ if (extent_item_pos < data_offset ||
+ extent_item_pos >= data_offset + data_len)
+ return 1;
+ offset = extent_item_pos - data_offset;
+ }
e = kmalloc(sizeof(*e), GFP_NOFS);
if (!e)
@@ -53,7 +60,7 @@ static int check_extent_in_eb(struct btrfs_key *key, struct extent_buffer *eb,
e->next = *eie;
e->inum = key->objectid;
- e->offset = key->offset + (extent_item_pos - data_offset);
+ e->offset = key->offset + offset;
*eie = e;
return 0;
@@ -189,7 +196,7 @@ static int add_all_parents(struct btrfs_root *root, struct btrfs_path *path,
struct extent_buffer *eb;
struct btrfs_key key;
struct btrfs_file_extent_item *fi;
- struct extent_inode_elem *eie = NULL;
+ struct extent_inode_elem *eie = NULL, *old = NULL;
u64 disk_byte;
if (level != 0) {
@@ -223,6 +230,7 @@ static int add_all_parents(struct btrfs_root *root, struct btrfs_path *path,
if (disk_byte == wanted_disk_byte) {
eie = NULL;
+ old = NULL;
if (extent_item_pos) {
ret = check_extent_in_eb(&key, eb, fi,
*extent_item_pos,
@@ -230,18 +238,20 @@ static int add_all_parents(struct btrfs_root *root, struct btrfs_path *path,
if (ret < 0)
break;
}
- if (!ret) {
- ret = ulist_add(parents, eb->start,
- (uintptr_t)eie, GFP_NOFS);
- if (ret < 0)
- break;
- if (!extent_item_pos) {
- ret = btrfs_next_old_leaf(root, path,
- time_seq);
- continue;
- }
+ if (ret > 0)
+ goto next;
+ ret = ulist_add_merge(parents, eb->start,
+ (uintptr_t)eie,
+ (u64 *)&old, GFP_NOFS);
+ if (ret < 0)
+ break;
+ if (!ret && extent_item_pos) {
+ while (old->next)
+ old = old->next;
+ old->next = eie;
}
}
+next:
ret = btrfs_next_old_item(root, path, time_seq);
}
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 5bf4c39..ed50460 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1271,7 +1271,6 @@ tree_mod_log_rewind(struct btrfs_fs_info *fs_info, struct extent_buffer *eb,
BUG_ON(!eb_rewin);
}
- extent_buffer_get(eb_rewin);
btrfs_tree_read_unlock(eb);
free_extent_buffer(eb);
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 583d98b..fe443fe 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4048,7 +4048,7 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
}
while (!end) {
- u64 offset_in_extent;
+ u64 offset_in_extent = 0;
/* break if the extent we found is outside the range */
if (em->start >= max || extent_map_end(em) < off)
@@ -4064,9 +4064,12 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
/*
* record the offset from the start of the extent
- * for adjusting the disk offset below
+ * for adjusting the disk offset below. Only do this if the
+ * extent isn't compressed since our in ram offset may be past
+ * what we have actually allocated on disk.
*/
- offset_in_extent = em_start - em->start;
+ if (!test_bit(EXTENT_FLAG_COMPRESSED, &em->flags))
+ offset_in_extent = em_start - em->start;
em_end = extent_map_end(em);
em_len = em_end - em_start;
emflags = em->flags;
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index a005fe2..8e686a4 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -596,20 +596,29 @@ void btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end,
if (no_splits)
goto next;
- if (em->block_start < EXTENT_MAP_LAST_BYTE &&
- em->start < start) {
+ if (em->start < start) {
split->start = em->start;
split->len = start - em->start;
- split->orig_start = em->orig_start;
- split->block_start = em->block_start;
- if (compressed)
- split->block_len = em->block_len;
- else
- split->block_len = split->len;
- split->ram_bytes = em->ram_bytes;
- split->orig_block_len = max(split->block_len,
- em->orig_block_len);
+ if (em->block_start < EXTENT_MAP_LAST_BYTE) {
+ split->orig_start = em->orig_start;
+ split->block_start = em->block_start;
+
+ if (compressed)
+ split->block_len = em->block_len;
+ else
+ split->block_len = split->len;
+ split->orig_block_len = max(split->block_len,
+ em->orig_block_len);
+ split->ram_bytes = em->ram_bytes;
+ } else {
+ split->orig_start = split->start;
+ split->block_len = 0;
+ split->block_start = em->block_start;
+ split->orig_block_len = 0;
+ split->ram_bytes = split->len;
+ }
+
split->generation = gen;
split->bdev = em->bdev;
split->flags = flags;
@@ -620,8 +629,7 @@ void btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end,
split = split2;
split2 = NULL;
}
- if (em->block_start < EXTENT_MAP_LAST_BYTE &&
- testend && em->start + em->len > start + len) {
+ if (testend && em->start + em->len > start + len) {
u64 diff = start + len - em->start;
split->start = start + len;
@@ -630,18 +638,28 @@ void btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end,
split->flags = flags;
split->compress_type = em->compress_type;
split->generation = gen;
- split->orig_block_len = max(em->block_len,
+
+ if (em->block_start < EXTENT_MAP_LAST_BYTE) {
+ split->orig_block_len = max(em->block_len,
em->orig_block_len);
- split->ram_bytes = em->ram_bytes;
- if (compressed) {
- split->block_len = em->block_len;
- split->block_start = em->block_start;
- split->orig_start = em->orig_start;
+ split->ram_bytes = em->ram_bytes;
+ if (compressed) {
+ split->block_len = em->block_len;
+ split->block_start = em->block_start;
+ split->orig_start = em->orig_start;
+ } else {
+ split->block_len = split->len;
+ split->block_start = em->block_start
+ + diff;
+ split->orig_start = em->orig_start;
+ }
} else {
- split->block_len = split->len;
- split->block_start = em->block_start + diff;
- split->orig_start = em->orig_start;
+ split->ram_bytes = split->len;
+ split->orig_start = split->start;
+ split->block_len = 0;
+ split->block_start = em->block_start;
+ split->orig_block_len = 0;
}
ret = add_extent_mapping(em_tree, split, modified);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 6d1b93c..021694c 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2166,16 +2166,23 @@ static noinline int record_one_backref(u64 inum, u64 offset, u64 root_id,
if (btrfs_file_extent_disk_bytenr(leaf, extent) != old->bytenr)
continue;
- extent_offset = btrfs_file_extent_offset(leaf, extent);
- if (key.offset - extent_offset != offset)
+ /*
+ * 'offset' refers to the exact key.offset,
+ * NOT the 'offset' field in btrfs_extent_data_ref, ie.
+ * (key.offset - extent_offset).
+ */
+ if (key.offset != offset)
continue;
+ extent_offset = btrfs_file_extent_offset(leaf, extent);
num_bytes = btrfs_file_extent_num_bytes(leaf, extent);
+
if (extent_offset >= old->extent_offset + old->offset +
old->len || extent_offset + num_bytes <=
old->extent_offset + old->offset)
continue;
+ ret = 0;
break;
}
@@ -2187,7 +2194,7 @@ static noinline int record_one_backref(u64 inum, u64 offset, u64 root_id,
backref->root_id = root_id;
backref->inum = inum;
- backref->file_pos = offset + extent_offset;
+ backref->file_pos = offset;
backref->num_bytes = num_bytes;
backref->extent_offset = extent_offset;
backref->generation = btrfs_file_extent_generation(leaf, extent);
@@ -2210,7 +2217,8 @@ static noinline bool record_extent_backrefs(struct btrfs_path *path,
new->path = path;
list_for_each_entry_safe(old, tmp, &new->head, list) {
- ret = iterate_inodes_from_logical(old->bytenr, fs_info,
+ ret = iterate_inodes_from_logical(old->bytenr +
+ old->extent_offset, fs_info,
path, record_one_backref,
old);
BUG_ON(ret < 0 && ret != -ENOENT);
@@ -4391,9 +4399,6 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr)
int mask = attr->ia_valid;
int ret;
- if (newsize == oldsize)
- return 0;
-
/*
* The regular truncate() case without ATTR_CTIME and ATTR_MTIME is a
* special case where we need to update the times despite not having
@@ -5165,14 +5170,31 @@ next:
}
/* Reached end of directory/root. Bump pos past the last item. */
- if (key_type == BTRFS_DIR_INDEX_KEY)
- /*
- * 32-bit glibc will use getdents64, but then strtol -
- * so the last number we can serve is this.
- */
- ctx->pos = 0x7fffffff;
- else
- ctx->pos++;
+ ctx->pos++;
+
+ /*
+ * Stop new entries from being returned after we return the last
+ * entry.
+ *
+ * New directory entries are assigned a strictly increasing
+ * offset. This means that new entries created during readdir
+ * are *guaranteed* to be seen in the future by that readdir.
+ * This has broken buggy programs which operate on names as
+ * they're returned by readdir. Until we re-use freed offsets
+ * we have this hack to stop new entries from being returned
+ * under the assumption that they'll never reach this huge
+ * offset.
+ *
+ * This is being careful not to overflow 32bit loff_t unless the
+ * last entry requires it because doing so has broken 32bit apps
+ * in the past.
+ */
+ if (key_type == BTRFS_DIR_INDEX_KEY) {
+ if (ctx->pos >= INT_MAX)
+ ctx->pos = LLONG_MAX;
+ else
+ ctx->pos = INT_MAX;
+ }
nopos:
ret = 0;
err:
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index d58cce7..af1931a 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -983,12 +983,12 @@ static noinline int commit_cowonly_roots(struct btrfs_trans_handle *trans,
* a dirty root struct and adds it into the list of dead roots that need to
* be deleted
*/
-int btrfs_add_dead_root(struct btrfs_root *root)
+void btrfs_add_dead_root(struct btrfs_root *root)
{
spin_lock(&root->fs_info->trans_lock);
- list_add_tail(&root->root_list, &root->fs_info->dead_roots);
+ if (list_empty(&root->root_list))
+ list_add_tail(&root->root_list, &root->fs_info->dead_roots);
spin_unlock(&root->fs_info->trans_lock);
- return 0;
}
/*
@@ -1925,7 +1925,7 @@ int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root)
}
root = list_first_entry(&fs_info->dead_roots,
struct btrfs_root, root_list);
- list_del(&root->root_list);
+ list_del_init(&root->root_list);
spin_unlock(&fs_info->trans_lock);
pr_debug("btrfs: cleaner removing %llu\n",
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 005b037..defbc42 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -143,7 +143,7 @@ int btrfs_wait_for_commit(struct btrfs_root *root, u64 transid);
int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans,
struct btrfs_root *root);
-int btrfs_add_dead_root(struct btrfs_root *root);
+void btrfs_add_dead_root(struct btrfs_root *root);
int btrfs_defrag_root(struct btrfs_root *root);
int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root);
int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 2c67914..ff60d89 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3746,8 +3746,9 @@ next_slot:
}
log_extents:
+ btrfs_release_path(path);
+ btrfs_release_path(dst_path);
if (fast_search) {
- btrfs_release_path(dst_path);
ret = btrfs_log_changed_extents(trans, root, inode, dst_path);
if (ret) {
err = ret;
@@ -3764,8 +3765,6 @@ log_extents:
}
if (inode_only == LOG_INODE_ALL && S_ISDIR(inode->i_mode)) {
- btrfs_release_path(path);
- btrfs_release_path(dst_path);
ret = log_directory_changes(trans, root, inode, path, dst_path);
if (ret) {
err = ret;
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 4888cb3..c7c83ff 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -533,8 +533,7 @@ EXPORT_SYMBOL_GPL(debugfs_remove);
*/
void debugfs_remove_recursive(struct dentry *dentry)
{
- struct dentry *child;
- struct dentry *parent;
+ struct dentry *child, *next, *parent;
if (IS_ERR_OR_NULL(dentry))
return;
@@ -544,61 +543,37 @@ void debugfs_remove_recursive(struct dentry *dentry)
return;
parent = dentry;
+ down:
mutex_lock(&parent->d_inode->i_mutex);
+ list_for_each_entry_safe(child, next, &parent->d_subdirs, d_u.d_child) {
+ if (!debugfs_positive(child))
+ continue;
- while (1) {
- /*
- * When all dentries under "parent" has been removed,
- * walk up the tree until we reach our starting point.
- */
- if (list_empty(&parent->d_subdirs)) {
- mutex_unlock(&parent->d_inode->i_mutex);
- if (parent == dentry)
- break;
- parent = parent->d_parent;
- mutex_lock(&parent->d_inode->i_mutex);
- }
- child = list_entry(parent->d_subdirs.next, struct dentry,
- d_u.d_child);
- next_sibling:
-
- /*
- * If "child" isn't empty, walk down the tree and
- * remove all its descendants first.
- */
+ /* perhaps simple_empty(child) makes more sense */
if (!list_empty(&child->d_subdirs)) {
mutex_unlock(&parent->d_inode->i_mutex);
parent = child;
- mutex_lock(&parent->d_inode->i_mutex);
- continue;
+ goto down;
}
- __debugfs_remove(child, parent);
- if (parent->d_subdirs.next == &child->d_u.d_child) {
- /*
- * Try the next sibling.
- */
- if (child->d_u.d_child.next != &parent->d_subdirs) {
- child = list_entry(child->d_u.d_child.next,
- struct dentry,
- d_u.d_child);
- goto next_sibling;
- }
-
- /*
- * Avoid infinite loop if we fail to remove
- * one dentry.
- */
- mutex_unlock(&parent->d_inode->i_mutex);
- break;
- }
- simple_release_fs(&debugfs_mount, &debugfs_mount_count);
+ up:
+ if (!__debugfs_remove(child, parent))
+ simple_release_fs(&debugfs_mount, &debugfs_mount_count);
}
- parent = dentry->d_parent;
+ mutex_unlock(&parent->d_inode->i_mutex);
+ child = parent;
+ parent = parent->d_parent;
mutex_lock(&parent->d_inode->i_mutex);
- __debugfs_remove(dentry, parent);
+
+ if (child != dentry) {
+ next = list_entry(child->d_u.d_child.next, struct dentry,
+ d_u.d_child);
+ goto up;
+ }
+
+ if (!__debugfs_remove(child, parent))
+ simple_release_fs(&debugfs_mount, &debugfs_mount_count);
mutex_unlock(&parent->d_inode->i_mutex);
- simple_release_fs(&debugfs_mount, &debugfs_mount_count);
}
EXPORT_SYMBOL_GPL(debugfs_remove_recursive);
diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index 911649a..8121491 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -686,7 +686,6 @@ static int device_close(struct inode *inode, struct file *file)
device_remove_lockspace() */
sigprocmask(SIG_SETMASK, &tmpsig, NULL);
- recalc_sigpending();
return 0;
}
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index a618738..72ba470 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4412,7 +4412,7 @@ void ext4_ext_truncate(handle_t *handle, struct inode *inode)
retry:
err = ext4_es_remove_extent(inode, last_block,
EXT_MAX_BLOCKS - last_block);
- if (err == ENOMEM) {
+ if (err == -ENOMEM) {
cond_resched();
congestion_wait(BLK_RW_ASYNC, HZ/50);
goto retry;
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index f03598c..8bf5999 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -734,11 +734,8 @@ repeat_in_this_group:
ino = ext4_find_next_zero_bit((unsigned long *)
inode_bitmap_bh->b_data,
EXT4_INODES_PER_GROUP(sb), ino);
- if (ino >= EXT4_INODES_PER_GROUP(sb)) {
- if (++group == ngroups)
- group = 0;
- continue;
- }
+ if (ino >= EXT4_INODES_PER_GROUP(sb))
+ goto next_group;
if (group == 0 && (ino+1) < EXT4_FIRST_INO(sb)) {
ext4_error(sb, "reserved inode found cleared - "
"inode=%lu", ino + 1);
@@ -769,6 +766,9 @@ repeat_in_this_group:
goto got; /* we grabbed the inode! */
if (ino < EXT4_INODES_PER_GROUP(sb))
goto repeat_in_this_group;
+next_group:
+ if (++group == ngroups)
+ group = 0;
}
err = -ENOSPC;
goto out;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index ba33c67..dd32a2e 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -555,14 +555,13 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode,
int ret;
unsigned long long status;
-#ifdef ES_AGGRESSIVE_TEST
- if (retval != map->m_len) {
- printk("ES len assertion failed for inode: %lu "
- "retval %d != map->m_len %d "
- "in %s (lookup)\n", inode->i_ino, retval,
- map->m_len, __func__);
+ if (unlikely(retval != map->m_len)) {
+ ext4_warning(inode->i_sb,
+ "ES len assertion failed for inode "
+ "%lu: retval %d != map->m_len %d",
+ inode->i_ino, retval, map->m_len);
+ WARN_ON(1);
}
-#endif
status = map->m_flags & EXT4_MAP_UNWRITTEN ?
EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN;
@@ -656,14 +655,13 @@ found:
int ret;
unsigned long long status;
-#ifdef ES_AGGRESSIVE_TEST
- if (retval != map->m_len) {
- printk("ES len assertion failed for inode: %lu "
- "retval %d != map->m_len %d "
- "in %s (allocation)\n", inode->i_ino, retval,
- map->m_len, __func__);
+ if (unlikely(retval != map->m_len)) {
+ ext4_warning(inode->i_sb,
+ "ES len assertion failed for inode "
+ "%lu: retval %d != map->m_len %d",
+ inode->i_ino, retval, map->m_len);
+ WARN_ON(1);
}
-#endif
/*
* If the extent has been zeroed out, we don't need to update
@@ -1637,14 +1635,13 @@ add_delayed:
int ret;
unsigned long long status;
-#ifdef ES_AGGRESSIVE_TEST
- if (retval != map->m_len) {
- printk("ES len assertion failed for inode: %lu "
- "retval %d != map->m_len %d "
- "in %s (lookup)\n", inode->i_ino, retval,
- map->m_len, __func__);
+ if (unlikely(retval != map->m_len)) {
+ ext4_warning(inode->i_sb,
+ "ES len assertion failed for inode "
+ "%lu: retval %d != map->m_len %d",
+ inode->i_ino, retval, map->m_len);
+ WARN_ON(1);
}
-#endif
status = map->m_flags & EXT4_MAP_UNWRITTEN ?
EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index bca26f3..36b141e 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5481,6 +5481,7 @@ static void __exit ext4_exit_fs(void)
kset_unregister(ext4_kset);
ext4_exit_system_zone();
ext4_exit_pageio();
+ ext4_exit_es();
}
MODULE_AUTHOR("Remy Card, Stephen Tweedie, Andrew Morton, Andreas Dilger, Theodore Ts'o and others");
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 6599222..65343c3 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -730,14 +730,14 @@ static int __init fcntl_init(void)
* Exceptions: O_NONBLOCK is a two bit define on parisc; O_NDELAY
* is defined as O_NONBLOCK on some platforms and not on others.
*/
- BUILD_BUG_ON(19 - 1 /* for O_RDONLY being 0 */ != HWEIGHT32(
+ BUILD_BUG_ON(20 - 1 /* for O_RDONLY being 0 */ != HWEIGHT32(
O_RDONLY | O_WRONLY | O_RDWR |
O_CREAT | O_EXCL | O_NOCTTY |
O_TRUNC | O_APPEND | /* O_NONBLOCK | */
__O_SYNC | O_DSYNC | FASYNC |
O_DIRECT | O_LARGEFILE | O_DIRECTORY |
O_NOFOLLOW | O_NOATIME | O_CLOEXEC |
- __FMODE_EXEC | O_PATH
+ __FMODE_EXEC | O_PATH | __O_TMPFILE
));
fasync_cache = kmem_cache_create("fasync_cache",
diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index 01bfe76..41e491b 100644
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -64,12 +64,17 @@ struct nlm_host *nlmclnt_init(const struct nlmclnt_initdata *nlm_init)
nlm_init->protocol, nlm_version,
nlm_init->hostname, nlm_init->noresvport,
nlm_init->net);
- if (host == NULL) {
- lockd_down(nlm_init->net);
- return ERR_PTR(-ENOLCK);
- }
+ if (host == NULL)
+ goto out_nohost;
+ if (host->h_rpcclnt == NULL && nlm_bind_host(host) == NULL)
+ goto out_nobind;
return host;
+out_nobind:
+ nlmclnt_release_host(host);
+out_nohost:
+ lockd_down(nlm_init->net);
+ return ERR_PTR(-ENOLCK);
}
EXPORT_SYMBOL_GPL(nlmclnt_init);
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index 9760ecb..acd3947 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -125,14 +125,15 @@ static void nlmclnt_setlockargs(struct nlm_rqst *req, struct file_lock *fl)
{
struct nlm_args *argp = &req->a_args;
struct nlm_lock *lock = &argp->lock;
+ char *nodename = req->a_host->h_rpcclnt->cl_nodename;
nlmclnt_next_cookie(&argp->cookie);
memcpy(&lock->fh, NFS_FH(file_inode(fl->fl_file)), sizeof(struct nfs_fh));
- lock->caller = utsname()->nodename;
+ lock->caller = nodename;
lock->oh.data = req->a_owner;
lock->oh.len = snprintf(req->a_owner, sizeof(req->a_owner), "%u@%s",
(unsigned int)fl->fl_u.nfs_fl.owner->pid,
- utsname()->nodename);
+ nodename);
lock->svid = fl->fl_u.nfs_fl.owner->pid;
lock->fl.fl_start = fl->fl_start;
lock->fl.fl_end = fl->fl_end;
diff --git a/fs/namei.c b/fs/namei.c
index 8b61d10..89a612e 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3671,15 +3671,11 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
if ((flags & ~(AT_SYMLINK_FOLLOW | AT_EMPTY_PATH)) != 0)
return -EINVAL;
/*
- * To use null names we require CAP_DAC_READ_SEARCH
- * This ensures that not everyone will be able to create
- * handlink using the passed filedescriptor.
+ * Using empty names is equivalent to using AT_SYMLINK_FOLLOW
+ * on /proc/self/fd/<fd>.
*/
- if (flags & AT_EMPTY_PATH) {
- if (!capable(CAP_DAC_READ_SEARCH))
- return -ENOENT;
+ if (flags & AT_EMPTY_PATH)
how = LOOKUP_EMPTY;
- }
if (flags & AT_SYMLINK_FOLLOW)
how |= LOOKUP_FOLLOW;
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index af6e806..941246f 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -463,7 +463,6 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st
unlock_new_inode(inode);
} else
nfs_refresh_inode(inode, fattr);
- nfs_setsecurity(inode, fattr, label);
dprintk("NFS: nfs_fhget(%s/%Ld fh_crc=0x%08x ct=%d)\n",
inode->i_sb->s_id,
(long long)NFS_FILEID(inode),
@@ -963,9 +962,15 @@ EXPORT_SYMBOL_GPL(nfs_revalidate_inode);
static int nfs_invalidate_mapping(struct inode *inode, struct address_space *mapping)
{
struct nfs_inode *nfsi = NFS_I(inode);
-
+ int ret;
+
if (mapping->nrpages != 0) {
- int ret = invalidate_inode_pages2(mapping);
+ if (S_ISREG(inode->i_mode)) {
+ ret = nfs_sync_mapping(mapping);
+ if (ret < 0)
+ return ret;
+ }
+ ret = invalidate_inode_pages2(mapping);
if (ret < 0)
return ret;
}
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index cf11799..108a774 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3071,15 +3071,13 @@ struct rpc_clnt *
nfs4_proc_lookup_mountpoint(struct inode *dir, struct qstr *name,
struct nfs_fh *fhandle, struct nfs_fattr *fattr)
{
+ struct rpc_clnt *client = NFS_CLIENT(dir);
int status;
- struct rpc_clnt *client = rpc_clone_client(NFS_CLIENT(dir));
status = nfs4_proc_lookup_common(&client, dir, name, fhandle, fattr, NULL);
- if (status < 0) {
- rpc_shutdown_client(client);
+ if (status < 0)
return ERR_PTR(status);
- }
- return client;
+ return (client == NFS_CLIENT(dir)) ? rpc_clone_client(client) : client;
}
static int _nfs4_proc_access(struct inode *inode, struct nfs_access_entry *entry)
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 71fdc0d..f6db66d 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2478,6 +2478,10 @@ struct dentry *nfs_fs_mount_common(struct nfs_server *server,
if (server->flags & NFS_MOUNT_NOAC)
sb_mntdata.mntflags |= MS_SYNCHRONOUS;
+ if (mount_info->cloned != NULL && mount_info->cloned->sb != NULL)
+ if (mount_info->cloned->sb->s_flags & MS_SYNCHRONOUS)
+ sb_mntdata.mntflags |= MS_SYNCHRONOUS;
+
/* Get a superblock - note that we may end up sharing one that already exists */
s = sget(nfs_mod->nfs_fs, compare_super, nfs_set_super, flags, &sb_mntdata);
if (IS_ERR(s)) {
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 0d4c410..419572f 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1524,7 +1524,7 @@ static inline u32 nfsd4_write_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
static inline u32 nfsd4_exchange_id_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
{
return (op_encode_hdr_size + 2 + 1 + /* eir_clientid, eir_sequenceid */\
- 1 + 1 + 0 + /* eir_flags, spr_how, SP4_NONE (for now) */\
+ 1 + 1 + 2 + /* eir_flags, spr_how, spo_must_enforce & _allow */\
2 + /*eir_server_owner.so_minor_id */\
/* eir_server_owner.so_major_id<> */\
XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 +\
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 280acef..43f4229 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1264,6 +1264,8 @@ static bool svc_rqst_integrity_protected(struct svc_rqst *rqstp)
struct svc_cred *cr = &rqstp->rq_cred;
u32 service;
+ if (!cr->cr_gss_mech)
+ return false;
service = gss_pseudoflavor_to_service(cr->cr_gss_mech, cr->cr_flavor);
return service == RPC_GSS_SVC_INTEGRITY ||
service == RPC_GSS_SVC_PRIVACY;
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 0c0f3ea9..c2a4701 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -3360,7 +3360,8 @@ nfsd4_encode_exchange_id(struct nfsd4_compoundres *resp, __be32 nfserr,
8 /* eir_clientid */ +
4 /* eir_sequenceid */ +
4 /* eir_flags */ +
- 4 /* spr_how (SP4_NONE) */ +
+ 4 /* spr_how */ +
+ 8 /* spo_must_enforce, spo_must_allow */ +
8 /* so_minor_id */ +
4 /* so_major_id.len */ +
(XDR_QUADLEN(major_id_sz) * 4) +
@@ -3372,8 +3373,6 @@ nfsd4_encode_exchange_id(struct nfsd4_compoundres *resp, __be32 nfserr,
WRITE32(exid->seqid);
WRITE32(exid->flags);
- /* state_protect4_r. Currently only support SP4_NONE */
- BUG_ON(exid->spa_how != SP4_NONE);
WRITE32(exid->spa_how);
switch (exid->spa_how) {
case SP4_NONE:
diff --git a/fs/open.c b/fs/open.c
index d53e298..7931f76 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -823,7 +823,7 @@ static inline int build_open_flags(int flags, umode_t mode, struct open_flags *o
int lookup_flags = 0;
int acc_mode;
- if (flags & O_CREAT)
+ if (flags & (O_CREAT | __O_TMPFILE))
op->mode = (mode & S_IALLUGO) | S_IFREG;
else
op->mode = 0;
diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c
index 33532f7..a958444 100644
--- a/fs/reiserfs/procfs.c
+++ b/fs/reiserfs/procfs.c
@@ -19,12 +19,13 @@
/*
* LOCKING:
*
- * We rely on new Alexander Viro's super-block locking.
+ * These guys are evicted from procfs as the very first step in ->kill_sb().
*
*/
-static int show_version(struct seq_file *m, struct super_block *sb)
+static int show_version(struct seq_file *m, void *unused)
{
+ struct super_block *sb = m->private;
char *format;
if (REISERFS_SB(sb)->s_properties & (1 << REISERFS_3_6)) {
@@ -66,8 +67,9 @@ static int show_version(struct seq_file *m, struct super_block *sb)
#define DJP( x ) le32_to_cpu( jp -> x )
#define JF( x ) ( r -> s_journal -> x )
-static int show_super(struct seq_file *m, struct super_block *sb)
+static int show_super(struct seq_file *m, void *unused)
{
+ struct super_block *sb = m->private;
struct reiserfs_sb_info *r = REISERFS_SB(sb);
seq_printf(m, "state: \t%s\n"
@@ -128,8 +130,9 @@ static int show_super(struct seq_file *m, struct super_block *sb)
return 0;
}
-static int show_per_level(struct seq_file *m, struct super_block *sb)
+static int show_per_level(struct seq_file *m, void *unused)
{
+ struct super_block *sb = m->private;
struct reiserfs_sb_info *r = REISERFS_SB(sb);
int level;
@@ -186,8 +189,9 @@ static int show_per_level(struct seq_file *m, struct super_block *sb)
return 0;
}
-static int show_bitmap(struct seq_file *m, struct super_block *sb)
+static int show_bitmap(struct seq_file *m, void *unused)
{
+ struct super_block *sb = m->private;
struct reiserfs_sb_info *r = REISERFS_SB(sb);
seq_printf(m, "free_block: %lu\n"
@@ -218,8 +222,9 @@ static int show_bitmap(struct seq_file *m, struct super_block *sb)
return 0;
}
-static int show_on_disk_super(struct seq_file *m, struct super_block *sb)
+static int show_on_disk_super(struct seq_file *m, void *unused)
{
+ struct super_block *sb = m->private;
struct reiserfs_sb_info *sb_info = REISERFS_SB(sb);
struct reiserfs_super_block *rs = sb_info->s_rs;
int hash_code = DFL(s_hash_function_code);
@@ -261,8 +266,9 @@ static int show_on_disk_super(struct seq_file *m, struct super_block *sb)
return 0;
}
-static int show_oidmap(struct seq_file *m, struct super_block *sb)
+static int show_oidmap(struct seq_file *m, void *unused)
{
+ struct super_block *sb = m->private;
struct reiserfs_sb_info *sb_info = REISERFS_SB(sb);
struct reiserfs_super_block *rs = sb_info->s_rs;
unsigned int mapsize = le16_to_cpu(rs->s_v1.s_oid_cursize);
@@ -291,8 +297,9 @@ static int show_oidmap(struct seq_file *m, struct super_block *sb)
return 0;
}
-static int show_journal(struct seq_file *m, struct super_block *sb)
+static int show_journal(struct seq_file *m, void *unused)
{
+ struct super_block *sb = m->private;
struct reiserfs_sb_info *r = REISERFS_SB(sb);
struct reiserfs_super_block *rs = r->s_rs;
struct journal_params *jp = &rs->s_v1.s_journal;
@@ -383,92 +390,24 @@ static int show_journal(struct seq_file *m, struct super_block *sb)
return 0;
}
-/* iterator */
-static int test_sb(struct super_block *sb, void *data)
-{
- return data == sb;
-}
-
-static int set_sb(struct super_block *sb, void *data)
-{
- return -ENOENT;
-}
-
-struct reiserfs_seq_private {
- struct super_block *sb;
- int (*show) (struct seq_file *, struct super_block *);
-};
-
-static void *r_start(struct seq_file *m, loff_t * pos)
-{
- struct reiserfs_seq_private *priv = m->private;
- loff_t l = *pos;
-
- if (l)
- return NULL;
-
- if (IS_ERR(sget(&reiserfs_fs_type, test_sb, set_sb, 0, priv->sb)))
- return NULL;
-
- up_write(&priv->sb->s_umount);
- return priv->sb;
-}
-
-static void *r_next(struct seq_file *m, void *v, loff_t * pos)
-{
- ++*pos;
- if (v)
- deactivate_super(v);
- return NULL;
-}
-
-static void r_stop(struct seq_file *m, void *v)
-{
- if (v)
- deactivate_super(v);
-}
-
-static int r_show(struct seq_file *m, void *v)
-{
- struct reiserfs_seq_private *priv = m->private;
- return priv->show(m, v);
-}
-
-static const struct seq_operations r_ops = {
- .start = r_start,
- .next = r_next,
- .stop = r_stop,
- .show = r_show,
-};
-
static int r_open(struct inode *inode, struct file *file)
{
- struct reiserfs_seq_private *priv;
- int ret = seq_open_private(file, &r_ops,
- sizeof(struct reiserfs_seq_private));
-
- if (!ret) {
- struct seq_file *m = file->private_data;
- priv = m->private;
- priv->sb = proc_get_parent_data(inode);
- priv->show = PDE_DATA(inode);
- }
- return ret;
+ return single_open(file, PDE_DATA(inode),
+ proc_get_parent_data(inode));
}
static const struct file_operations r_file_operations = {
.open = r_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release_private,
- .owner = THIS_MODULE,
+ .release = single_release,
};
static struct proc_dir_entry *proc_info_root = NULL;
static const char proc_info_root_name[] = "fs/reiserfs";
static void add_file(struct super_block *sb, char *name,
- int (*func) (struct seq_file *, struct super_block *))
+ int (*func) (struct seq_file *, void *))
{
proc_create_data(name, 0, REISERFS_SB(sb)->procdir,
&r_file_operations, func);
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index f8a23c3..e2e202a 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -499,6 +499,7 @@ int remove_save_link(struct inode *inode, int truncate)
static void reiserfs_kill_sb(struct super_block *s)
{
if (REISERFS_SB(s)) {
+ reiserfs_proc_info_done(s);
/*
* Force any pending inode evictions to occur now. Any
* inodes to be removed that have extended attributes
@@ -554,8 +555,6 @@ static void reiserfs_put_super(struct super_block *s)
REISERFS_SB(s)->reserved_blocks);
}
- reiserfs_proc_info_done(s);
-
reiserfs_write_unlock(s);
mutex_destroy(&REISERFS_SB(s)->lock);
kfree(s->s_fs_info);
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 56e6b68..94383a7 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -274,15 +274,12 @@ struct acpi_device_wakeup {
};
struct acpi_device_physical_node {
- u8 node_id;
+ unsigned int node_id;
struct list_head node;
struct device *dev;
bool put_online:1;
};
-/* set maximum of physical nodes to 32 for expansibility */
-#define ACPI_MAX_PHYSICAL_NODE 32
-
/* Device */
struct acpi_device {
int device_type;
@@ -302,10 +299,9 @@ struct acpi_device {
struct acpi_driver *driver;
void *driver_data;
struct device dev;
- u8 physical_node_count;
+ unsigned int physical_node_count;
struct list_head physical_node_list;
struct mutex physical_node_lock;
- DECLARE_BITMAP(physical_node_id_bitmap, ACPI_MAX_PHYSICAL_NODE);
struct list_head power_dependent;
void (*remove)(struct acpi_device *);
};
@@ -445,7 +441,11 @@ struct acpi_pci_root {
};
/* helper */
-acpi_handle acpi_get_child(acpi_handle, u64);
+acpi_handle acpi_find_child(acpi_handle, u64, bool);
+static inline acpi_handle acpi_get_child(acpi_handle handle, u64 addr)
+{
+ return acpi_find_child(handle, addr, false);
+}
int acpi_is_root_bridge(acpi_handle);
struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle);
#define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)ACPI_HANDLE(dev))
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 4372658..120d57a 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -78,6 +78,11 @@ struct trace_iterator {
/* trace_seq for __print_flags() and __print_symbolic() etc. */
struct trace_seq tmp_seq;
+ cpumask_var_t started;
+
+ /* it's true when current open file is snapshot */
+ bool snapshot;
+
/* The below is zeroed out in pipe_read */
struct trace_seq seq;
struct trace_entry *ent;
@@ -90,10 +95,7 @@ struct trace_iterator {
loff_t pos;
long idx;
- cpumask_var_t started;
-
- /* it's true when current open file is snapshot */
- bool snapshot;
+ /* All new field here will be zeroed out in pipe_read */
};
enum trace_iter_flags {
@@ -332,7 +334,7 @@ extern int trace_define_field(struct ftrace_event_call *call, const char *type,
const char *name, int offset, int size,
int is_signed, int filter_type);
extern int trace_add_event_call(struct ftrace_event_call *call);
-extern void trace_remove_event_call(struct ftrace_event_call *call);
+extern int trace_remove_event_call(struct ftrace_event_call *call);
#define is_signed_type(type) (((type)(-1)) < (type)1)
diff --git a/include/linux/iio/trigger.h b/include/linux/iio/trigger.h
index 3869c52..369cf2c 100644
--- a/include/linux/iio/trigger.h
+++ b/include/linux/iio/trigger.h
@@ -8,6 +8,7 @@
*/
#include <linux/irq.h>
#include <linux/module.h>
+#include <linux/atomic.h>
#ifndef _IIO_TRIGGER_H_
#define _IIO_TRIGGER_H_
@@ -61,7 +62,7 @@ struct iio_trigger {
struct list_head list;
struct list_head alloc_list;
- int use_count;
+ atomic_t use_count;
struct irq_chip subirq_chip;
int subirq_base;
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 3bef14c..482ad2d 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -629,7 +629,7 @@ extern void ftrace_dump(enum ftrace_dump_mode oops_dump_mode);
static inline void tracing_start(void) { }
static inline void tracing_stop(void) { }
static inline void ftrace_off_permanent(void) { }
-static inline void trace_dump_stack(void) { }
+static inline void trace_dump_stack(int skip) { }
static inline void tracing_on(void) { }
static inline void tracing_off(void) { }
diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h
index 8d73fe2..db1791b 100644
--- a/include/linux/mfd/ti_am335x_tscadc.h
+++ b/include/linux/mfd/ti_am335x_tscadc.h
@@ -113,11 +113,27 @@
#define CNTRLREG_8WIRE CNTRLREG_AFE_CTRL(3)
#define CNTRLREG_TSCENB BIT(7)
+/* FIFO READ Register */
+#define FIFOREAD_DATA_MASK (0xfff << 0)
+#define FIFOREAD_CHNLID_MASK (0xf << 16)
+
+/* Sequencer Status */
+#define SEQ_STATUS BIT(5)
+
#define ADC_CLK 3000000
#define MAX_CLK_DIV 7
#define TOTAL_STEPS 16
#define TOTAL_CHANNELS 8
+/*
+* ADC runs at 3MHz, and it takes
+* 15 cycles to latch one data output.
+* Hence the idle time for ADC to
+* process one sample data would be
+* around 5 micro seconds.
+*/
+#define IDLE_TIMEOUT 5 /* microsec */
+
#define TSCADC_CELLS 2
struct ti_tscadc_dev {
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 3bed2e8..d1fe5d0 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -518,6 +518,8 @@
#define PCI_DEVICE_ID_AMD_11H_NB_MISC 0x1303
#define PCI_DEVICE_ID_AMD_11H_NB_LINK 0x1304
#define PCI_DEVICE_ID_AMD_15H_M10H_F3 0x1403
+#define PCI_DEVICE_ID_AMD_15H_M30H_NB_F3 0x141d
+#define PCI_DEVICE_ID_AMD_15H_M30H_NB_F4 0x141e
#define PCI_DEVICE_ID_AMD_15H_NB_F0 0x1600
#define PCI_DEVICE_ID_AMD_15H_NB_F1 0x1601
#define PCI_DEVICE_ID_AMD_15H_NB_F2 0x1602
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 75981d0..580a532 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -15,6 +15,7 @@
#include <linux/list.h>
#include <linux/rbtree.h>
+#include <linux/err.h>
struct module;
struct device;
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index 6d87035..1821445 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -121,6 +121,7 @@ struct rpc_task_setup {
#define RPC_TASK_SOFTCONN 0x0400 /* Fail if can't connect */
#define RPC_TASK_SENT 0x0800 /* message was sent */
#define RPC_TASK_TIMEOUT 0x1000 /* fail with ETIMEDOUT on timeout */
+#define RPC_TASK_NOCONNECT 0x2000 /* return ENOTCONN if not connected */
#define RPC_IS_ASYNC(t) ((t)->tk_flags & RPC_TASK_ASYNC)
#define RPC_IS_SWAPPER(t) ((t)->tk_flags & RPC_TASK_SWAPPER)
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index b6b215f..14105c2 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -23,6 +23,7 @@ struct user_namespace {
struct uid_gid_map projid_map;
atomic_t count;
struct user_namespace *parent;
+ int level;
kuid_t owner;
kgid_t group;
unsigned int proc_inum;
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index 7343a27..47ada23 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -22,6 +22,7 @@
#define _V4L2_CTRLS_H
#include <linux/list.h>
+#include <linux/mutex.h>
#include <linux/videodev2.h>
/* forward references */
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 789ec46..781845a 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -4335,8 +4335,10 @@ static long cgroup_create(struct cgroup *parent, struct dentry *dentry,
}
err = percpu_ref_init(&css->refcnt, css_release);
- if (err)
+ if (err) {
+ ss->css_free(cgrp);
goto err_free_all;
+ }
init_cgroup_css(css, ss, cgrp);
diff --git a/kernel/printk/braille.c b/kernel/printk/braille.c
index b51087f..276762f 100644
--- a/kernel/printk/braille.c
+++ b/kernel/printk/braille.c
@@ -19,7 +19,8 @@ char *_braille_console_setup(char **str, char **brl_options)
pr_err("need port name after brl=\n");
else
*((*str)++) = 0;
- }
+ } else
+ return NULL;
return *str;
}
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 4041f57..a146ee3 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -469,7 +469,6 @@ static int ptrace_detach(struct task_struct *child, unsigned int data)
/* Architecture-specific hardware disable .. */
ptrace_disable(child);
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- flush_ptrace_hw_breakpoint(child);
write_lock_irq(&tasklist_lock);
/*
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 8ce9eef..a6d098c 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -2169,12 +2169,57 @@ static cycle_t ftrace_update_time;
static unsigned long ftrace_update_cnt;
unsigned long ftrace_update_tot_cnt;
-static int ops_traces_mod(struct ftrace_ops *ops)
+static inline int ops_traces_mod(struct ftrace_ops *ops)
{
- struct ftrace_hash *hash;
+ /*
+ * Filter_hash being empty will default to trace module.
+ * But notrace hash requires a test of individual module functions.
+ */
+ return ftrace_hash_empty(ops->filter_hash) &&
+ ftrace_hash_empty(ops->notrace_hash);
+}
+
+/*
+ * Check if the current ops references the record.
+ *
+ * If the ops traces all functions, then it was already accounted for.
+ * If the ops does not trace the current record function, skip it.
+ * If the ops ignores the function via notrace filter, skip it.
+ */
+static inline bool
+ops_references_rec(struct ftrace_ops *ops, struct dyn_ftrace *rec)
+{
+ /* If ops isn't enabled, ignore it */
+ if (!(ops->flags & FTRACE_OPS_FL_ENABLED))
+ return 0;
+
+ /* If ops traces all mods, we already accounted for it */
+ if (ops_traces_mod(ops))
+ return 0;
+
+ /* The function must be in the filter */
+ if (!ftrace_hash_empty(ops->filter_hash) &&
+ !ftrace_lookup_ip(ops->filter_hash, rec->ip))
+ return 0;
+
+ /* If in notrace hash, we ignore it too */
+ if (ftrace_lookup_ip(ops->notrace_hash, rec->ip))
+ return 0;
+
+ return 1;
+}
+
+static int referenced_filters(struct dyn_ftrace *rec)
+{
+ struct ftrace_ops *ops;
+ int cnt = 0;
- hash = ops->filter_hash;
- return ftrace_hash_empty(hash);
+ for (ops = ftrace_ops_list; ops != &ftrace_list_end; ops = ops->next) {
+ if (ops_references_rec(ops, rec))
+ cnt++;
+ }
+
+ return cnt;
}
static int ftrace_update_code(struct module *mod)
@@ -2183,6 +2228,7 @@ static int ftrace_update_code(struct module *mod)
struct dyn_ftrace *p;
cycle_t start, stop;
unsigned long ref = 0;
+ bool test = false;
int i;
/*
@@ -2196,9 +2242,12 @@ static int ftrace_update_code(struct module *mod)
for (ops = ftrace_ops_list;
ops != &ftrace_list_end; ops = ops->next) {
- if (ops->flags & FTRACE_OPS_FL_ENABLED &&
- ops_traces_mod(ops))
- ref++;
+ if (ops->flags & FTRACE_OPS_FL_ENABLED) {
+ if (ops_traces_mod(ops))
+ ref++;
+ else
+ test = true;
+ }
}
}
@@ -2208,12 +2257,16 @@ static int ftrace_update_code(struct module *mod)
for (pg = ftrace_new_pgs; pg; pg = pg->next) {
for (i = 0; i < pg->index; i++) {
+ int cnt = ref;
+
/* If something went wrong, bail without enabling anything */
if (unlikely(ftrace_disabled))
return -1;
p = &pg->records[i];
- p->flags = ref;
+ if (test)
+ cnt += referenced_filters(p);
+ p->flags = cnt;
/*
* Do the initial record conversion from mcount jump
@@ -2233,7 +2286,7 @@ static int ftrace_update_code(struct module *mod)
* conversion puts the module to the correct state, thus
* passing the ftrace_make_call check.
*/
- if (ftrace_start_up && ref) {
+ if (ftrace_start_up && cnt) {
int failed = __ftrace_replace_code(p, 1);
if (failed)
ftrace_bug(failed, p->ip);
@@ -3384,6 +3437,12 @@ ftrace_match_addr(struct ftrace_hash *hash, unsigned long ip, int remove)
return add_hash_entry(hash, ip);
}
+static void ftrace_ops_update_code(struct ftrace_ops *ops)
+{
+ if (ops->flags & FTRACE_OPS_FL_ENABLED && ftrace_enabled)
+ ftrace_run_update_code(FTRACE_UPDATE_CALLS);
+}
+
static int
ftrace_set_hash(struct ftrace_ops *ops, unsigned char *buf, int len,
unsigned long ip, int remove, int reset, int enable)
@@ -3426,9 +3485,8 @@ ftrace_set_hash(struct ftrace_ops *ops, unsigned char *buf, int len,
mutex_lock(&ftrace_lock);
ret = ftrace_hash_move(ops, enable, orig_hash, hash);
- if (!ret && ops->flags & FTRACE_OPS_FL_ENABLED
- && ftrace_enabled)
- ftrace_run_update_code(FTRACE_UPDATE_CALLS);
+ if (!ret)
+ ftrace_ops_update_code(ops);
mutex_unlock(&ftrace_lock);
@@ -3655,9 +3713,8 @@ int ftrace_regex_release(struct inode *inode, struct file *file)
mutex_lock(&ftrace_lock);
ret = ftrace_hash_move(iter->ops, filter_hash,
orig_hash, iter->hash);
- if (!ret && (iter->ops->flags & FTRACE_OPS_FL_ENABLED)
- && ftrace_enabled)
- ftrace_run_update_code(FTRACE_UPDATE_CALLS);
+ if (!ret)
+ ftrace_ops_update_code(iter->ops);
mutex_unlock(&ftrace_lock);
}
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 882ec1d..496f94d 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -243,20 +243,25 @@ int filter_current_check_discard(struct ring_buffer *buffer,
}
EXPORT_SYMBOL_GPL(filter_current_check_discard);
-cycle_t ftrace_now(int cpu)
+cycle_t buffer_ftrace_now(struct trace_buffer *buf, int cpu)
{
u64 ts;
/* Early boot up does not have a buffer yet */
- if (!global_trace.trace_buffer.buffer)
+ if (!buf->buffer)
return trace_clock_local();
- ts = ring_buffer_time_stamp(global_trace.trace_buffer.buffer, cpu);
- ring_buffer_normalize_time_stamp(global_trace.trace_buffer.buffer, cpu, &ts);
+ ts = ring_buffer_time_stamp(buf->buffer, cpu);
+ ring_buffer_normalize_time_stamp(buf->buffer, cpu, &ts);
return ts;
}
+cycle_t ftrace_now(int cpu)
+{
+ return buffer_ftrace_now(&global_trace.trace_buffer, cpu);
+}
+
/**
* tracing_is_enabled - Show if global_trace has been disabled
*
@@ -1211,7 +1216,7 @@ void tracing_reset_online_cpus(struct trace_buffer *buf)
/* Make sure all commits have finished */
synchronize_sched();
- buf->time_start = ftrace_now(buf->cpu);
+ buf->time_start = buffer_ftrace_now(buf, buf->cpu);
for_each_online_cpu(cpu)
ring_buffer_reset_cpu(buffer, cpu);
@@ -1219,11 +1224,6 @@ void tracing_reset_online_cpus(struct trace_buffer *buf)
ring_buffer_record_enable(buffer);
}
-void tracing_reset_current(int cpu)
-{
- tracing_reset(&global_trace.trace_buffer, cpu);
-}
-
/* Must have trace_types_lock held */
void tracing_reset_all_online_cpus(void)
{
@@ -4151,6 +4151,7 @@ waitagain:
memset(&iter->seq, 0,
sizeof(struct trace_iterator) -
offsetof(struct trace_iterator, seq));
+ cpumask_clear(iter->started);
iter->pos = -1;
trace_event_read_lock();
@@ -4468,7 +4469,7 @@ tracing_free_buffer_release(struct inode *inode, struct file *filp)
/* disable tracing ? */
if (trace_flags & TRACE_ITER_STOP_ON_FREE)
- tracing_off();
+ tracer_tracing_off(tr);
/* resize the ring buffer to 0 */
tracing_resize_ring_buffer(tr, 0, RING_BUFFER_ALL_CPUS);
@@ -4633,12 +4634,12 @@ static ssize_t tracing_clock_write(struct file *filp, const char __user *ubuf,
* New clock may not be consistent with the previous clock.
* Reset the buffer so that it doesn't have incomparable timestamps.
*/
- tracing_reset_online_cpus(&global_trace.trace_buffer);
+ tracing_reset_online_cpus(&tr->trace_buffer);
#ifdef CONFIG_TRACER_MAX_TRACE
if (tr->flags & TRACE_ARRAY_FL_GLOBAL && tr->max_buffer.buffer)
ring_buffer_set_clock(tr->max_buffer.buffer, trace_clocks[i].func);
- tracing_reset_online_cpus(&global_trace.max_buffer);
+ tracing_reset_online_cpus(&tr->max_buffer);
#endif
mutex_unlock(&trace_types_lock);
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 898f868..29a7ebc 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -409,33 +409,42 @@ static void put_system(struct ftrace_subsystem_dir *dir)
mutex_unlock(&event_mutex);
}
-/*
- * Open and update trace_array ref count.
- * Must have the current trace_array passed to it.
- */
-static int tracing_open_generic_file(struct inode *inode, struct file *filp)
+static void remove_subsystem(struct ftrace_subsystem_dir *dir)
{
- struct ftrace_event_file *file = inode->i_private;
- struct trace_array *tr = file->tr;
- int ret;
+ if (!dir)
+ return;
- if (trace_array_get(tr) < 0)
- return -ENODEV;
+ if (!--dir->nr_events) {
+ debugfs_remove_recursive(dir->entry);
+ list_del(&dir->list);
+ __put_system_dir(dir);
+ }
+}
- ret = tracing_open_generic(inode, filp);
- if (ret < 0)
- trace_array_put(tr);
- return ret;
+static void *event_file_data(struct file *filp)
+{
+ return ACCESS_ONCE(file_inode(filp)->i_private);
}
-static int tracing_release_generic_file(struct inode *inode, struct file *filp)
+static void remove_event_file_dir(struct ftrace_event_file *file)
{
- struct ftrace_event_file *file = inode->i_private;
- struct trace_array *tr = file->tr;
+ struct dentry *dir = file->dir;
+ struct dentry *child;
- trace_array_put(tr);
+ if (dir) {
+ spin_lock(&dir->d_lock); /* probably unneeded */
+ list_for_each_entry(child, &dir->d_subdirs, d_u.d_child) {
+ if (child->d_inode) /* probably unneeded */
+ child->d_inode->i_private = NULL;
+ }
+ spin_unlock(&dir->d_lock);
- return 0;
+ debugfs_remove_recursive(dir);
+ }
+
+ list_del(&file->list);
+ remove_subsystem(file->system);
+ kmem_cache_free(file_cachep, file);
}
/*
@@ -679,15 +688,25 @@ static ssize_t
event_enable_read(struct file *filp, char __user *ubuf, size_t cnt,
loff_t *ppos)
{
- struct ftrace_event_file *file = filp->private_data;
+ struct ftrace_event_file *file;
+ unsigned long flags;
char buf[4] = "0";
- if (file->flags & FTRACE_EVENT_FL_ENABLED &&
- !(file->flags & FTRACE_EVENT_FL_SOFT_DISABLED))
+ mutex_lock(&event_mutex);
+ file = event_file_data(filp);
+ if (likely(file))
+ flags = file->flags;
+ mutex_unlock(&event_mutex);
+
+ if (!file)
+ return -ENODEV;
+
+ if (flags & FTRACE_EVENT_FL_ENABLED &&
+ !(flags & FTRACE_EVENT_FL_SOFT_DISABLED))
strcpy(buf, "1");
- if (file->flags & FTRACE_EVENT_FL_SOFT_DISABLED ||
- file->flags & FTRACE_EVENT_FL_SOFT_MODE)
+ if (flags & FTRACE_EVENT_FL_SOFT_DISABLED ||
+ flags & FTRACE_EVENT_FL_SOFT_MODE)
strcat(buf, "*");
strcat(buf, "\n");
@@ -699,13 +718,10 @@ static ssize_t
event_enable_write(struct file *filp, const char __user *ubuf, size_t cnt,
loff_t *ppos)
{
- struct ftrace_event_file *file = filp->private_data;
+ struct ftrace_event_file *file;
unsigned long val;
int ret;
- if (!file)
- return -EINVAL;
-
ret = kstrtoul_from_user(ubuf, cnt, 10, &val);
if (ret)
return ret;
@@ -717,8 +733,11 @@ event_enable_write(struct file *filp, const char __user *ubuf, size_t cnt,
switch (val) {
case 0:
case 1:
+ ret = -ENODEV;
mutex_lock(&event_mutex);
- ret = ftrace_event_enable_disable(file, val);
+ file = event_file_data(filp);
+ if (likely(file))
+ ret = ftrace_event_enable_disable(file, val);
mutex_unlock(&event_mutex);
break;
@@ -825,7 +844,7 @@ enum {
static void *f_next(struct seq_file *m, void *v, loff_t *pos)
{
- struct ftrace_event_call *call = m->private;
+ struct ftrace_event_call *call = event_file_data(m->private);
struct list_head *common_head = &ftrace_common_fields;
struct list_head *head = trace_get_fields(call);
struct list_head *node = v;
@@ -857,7 +876,7 @@ static void *f_next(struct seq_file *m, void *v, loff_t *pos)
static int f_show(struct seq_file *m, void *v)
{
- struct ftrace_event_call *call = m->private;
+ struct ftrace_event_call *call = event_file_data(m->private);
struct ftrace_event_field *field;
const char *array_descriptor;
@@ -910,6 +929,11 @@ static void *f_start(struct seq_file *m, loff_t *pos)
void *p = (void *)FORMAT_HEADER;
loff_t l = 0;
+ /* ->stop() is called even if ->start() fails */
+ mutex_lock(&event_mutex);
+ if (!event_file_data(m->private))
+ return ERR_PTR(-ENODEV);
+
while (l < *pos && p)
p = f_next(m, p, &l);
@@ -918,6 +942,7 @@ static void *f_start(struct seq_file *m, loff_t *pos)
static void f_stop(struct seq_file *m, void *p)
{
+ mutex_unlock(&event_mutex);
}
static const struct seq_operations trace_format_seq_ops = {
@@ -929,7 +954,6 @@ static const struct seq_operations trace_format_seq_ops = {
static int trace_format_open(struct inode *inode, struct file *file)
{
- struct ftrace_event_call *call = inode->i_private;
struct seq_file *m;
int ret;
@@ -938,7 +962,7 @@ static int trace_format_open(struct inode *inode, struct file *file)
return ret;
m = file->private_data;
- m->private = call;
+ m->private = file;
return 0;
}
@@ -946,14 +970,18 @@ static int trace_format_open(struct inode *inode, struct file *file)
static ssize_t
event_id_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos)
{
- struct ftrace_event_call *call = filp->private_data;
+ int id = (long)event_file_data(filp);
char buf[32];
int len;
if (*ppos)
return 0;
- len = sprintf(buf, "%d\n", call->event.type);
+ if (unlikely(!id))
+ return -ENODEV;
+
+ len = sprintf(buf, "%d\n", id);
+
return simple_read_from_buffer(ubuf, cnt, ppos, buf, len);
}
@@ -961,21 +989,28 @@ static ssize_t
event_filter_read(struct file *filp, char __user *ubuf, size_t cnt,
loff_t *ppos)
{
- struct ftrace_event_call *call = filp->private_data;
+ struct ftrace_event_call *call;
struct trace_seq *s;
- int r;
+ int r = -ENODEV;
if (*ppos)
return 0;
s = kmalloc(sizeof(*s), GFP_KERNEL);
+
if (!s)
return -ENOMEM;
trace_seq_init(s);
- print_event_filter(call, s);
- r = simple_read_from_buffer(ubuf, cnt, ppos, s->buffer, s->len);
+ mutex_lock(&event_mutex);
+ call = event_file_data(filp);
+ if (call)
+ print_event_filter(call, s);
+ mutex_unlock(&event_mutex);
+
+ if (call)
+ r = simple_read_from_buffer(ubuf, cnt, ppos, s->buffer, s->len);
kfree(s);
@@ -986,9 +1021,9 @@ static ssize_t
event_filter_write(struct file *filp, const char __user *ubuf, size_t cnt,
loff_t *ppos)
{
- struct ftrace_event_call *call = filp->private_data;
+ struct ftrace_event_call *call;
char *buf;
- int err;
+ int err = -ENODEV;
if (cnt >= PAGE_SIZE)
return -EINVAL;
@@ -1003,7 +1038,12 @@ event_filter_write(struct file *filp, const char __user *ubuf, size_t cnt,
}
buf[cnt] = '\0';
- err = apply_event_filter(call, buf);
+ mutex_lock(&event_mutex);
+ call = event_file_data(filp);
+ if (call)
+ err = apply_event_filter(call, buf);
+ mutex_unlock(&event_mutex);
+
free_page((unsigned long) buf);
if (err < 0)
return err;
@@ -1225,10 +1265,9 @@ static const struct file_operations ftrace_set_event_fops = {
};
static const struct file_operations ftrace_enable_fops = {
- .open = tracing_open_generic_file,
+ .open = tracing_open_generic,
.read = event_enable_read,
.write = event_enable_write,
- .release = tracing_release_generic_file,
.llseek = default_llseek,
};
@@ -1240,7 +1279,6 @@ static const struct file_operations ftrace_event_format_fops = {
};
static const struct file_operations ftrace_event_id_fops = {
- .open = tracing_open_generic,
.read = event_id_read,
.llseek = default_llseek,
};
@@ -1488,8 +1526,8 @@ event_create_dir(struct dentry *parent,
#ifdef CONFIG_PERF_EVENTS
if (call->event.type && call->class->reg)
- trace_create_file("id", 0444, file->dir, call,
- id);
+ trace_create_file("id", 0444, file->dir,
+ (void *)(long)call->event.type, id);
#endif
/*
@@ -1514,33 +1552,16 @@ event_create_dir(struct dentry *parent,
return 0;
}
-static void remove_subsystem(struct ftrace_subsystem_dir *dir)
-{
- if (!dir)
- return;
-
- if (!--dir->nr_events) {
- debugfs_remove_recursive(dir->entry);
- list_del(&dir->list);
- __put_system_dir(dir);
- }
-}
-
static void remove_event_from_tracers(struct ftrace_event_call *call)
{
struct ftrace_event_file *file;
struct trace_array *tr;
do_for_each_event_file_safe(tr, file) {
-
if (file->event_call != call)
continue;
- list_del(&file->list);
- debugfs_remove_recursive(file->dir);
- remove_subsystem(file->system);
- kmem_cache_free(file_cachep, file);
-
+ remove_event_file_dir(file);
/*
* The do_for_each_event_file_safe() is
* a double loop. After finding the call for this
@@ -1692,16 +1713,53 @@ static void __trace_remove_event_call(struct ftrace_event_call *call)
destroy_preds(call);
}
+static int probe_remove_event_call(struct ftrace_event_call *call)
+{
+ struct trace_array *tr;
+ struct ftrace_event_file *file;
+
+#ifdef CONFIG_PERF_EVENTS
+ if (call->perf_refcount)
+ return -EBUSY;
+#endif
+ do_for_each_event_file(tr, file) {
+ if (file->event_call != call)
+ continue;
+ /*
+ * We can't rely on ftrace_event_enable_disable(enable => 0)
+ * we are going to do, FTRACE_EVENT_FL_SOFT_MODE can suppress
+ * TRACE_REG_UNREGISTER.
+ */
+ if (file->flags & FTRACE_EVENT_FL_ENABLED)
+ return -EBUSY;
+ /*
+ * The do_for_each_event_file_safe() is
+ * a double loop. After finding the call for this
+ * trace_array, we use break to jump to the next
+ * trace_array.
+ */
+ break;
+ } while_for_each_event_file();
+
+ __trace_remove_event_call(call);
+
+ return 0;
+}
+
/* Remove an event_call */
-void trace_remove_event_call(struct ftrace_event_call *call)
+int trace_remove_event_call(struct ftrace_event_call *call)
{
+ int ret;
+
mutex_lock(&trace_types_lock);
mutex_lock(&event_mutex);
down_write(&trace_event_sem);
- __trace_remove_event_call(call);
+ ret = probe_remove_event_call(call);
up_write(&trace_event_sem);
mutex_unlock(&event_mutex);
mutex_unlock(&trace_types_lock);
+
+ return ret;
}
#define for_each_event(event, start, end) \
@@ -2270,12 +2328,8 @@ __trace_remove_event_dirs(struct trace_array *tr)
{
struct ftrace_event_file *file, *next;
- list_for_each_entry_safe(file, next, &tr->events, list) {
- list_del(&file->list);
- debugfs_remove_recursive(file->dir);
- remove_subsystem(file->system);
- kmem_cache_free(file_cachep, file);
- }
+ list_for_each_entry_safe(file, next, &tr->events, list)
+ remove_event_file_dir(file);
}
static void
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 0c7b75a..97daa8c 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -637,17 +637,15 @@ static void append_filter_err(struct filter_parse_state *ps,
free_page((unsigned long) buf);
}
+/* caller must hold event_mutex */
void print_event_filter(struct ftrace_event_call *call, struct trace_seq *s)
{
- struct event_filter *filter;
+ struct event_filter *filter = call->filter;
- mutex_lock(&event_mutex);
- filter = call->filter;
if (filter && filter->filter_string)
trace_seq_printf(s, "%s\n", filter->filter_string);
else
trace_seq_puts(s, "none\n");
- mutex_unlock(&event_mutex);
}
void print_subsystem_event_filter(struct event_subsystem *system,
@@ -1841,23 +1839,22 @@ static int create_system_filter(struct event_subsystem *system,
return err;
}
+/* caller must hold event_mutex */
int apply_event_filter(struct ftrace_event_call *call, char *filter_string)
{
struct event_filter *filter;
- int err = 0;
-
- mutex_lock(&event_mutex);
+ int err;
if (!strcmp(strstrip(filter_string), "0")) {
filter_disable(call);
filter = call->filter;
if (!filter)
- goto out_unlock;
+ return 0;
RCU_INIT_POINTER(call->filter, NULL);
/* Make sure the filter is not being used */
synchronize_sched();
__free_filter(filter);
- goto out_unlock;
+ return 0;
}
err = create_filter(call, filter_string, true, &filter);
@@ -1884,8 +1881,6 @@ int apply_event_filter(struct ftrace_event_call *call, char *filter_string)
__free_filter(tmp);
}
}
-out_unlock:
- mutex_unlock(&event_mutex);
return err;
}
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 3811487..243f683 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -95,7 +95,7 @@ static __kprobes bool trace_probe_is_on_module(struct trace_probe *tp)
}
static int register_probe_event(struct trace_probe *tp);
-static void unregister_probe_event(struct trace_probe *tp);
+static int unregister_probe_event(struct trace_probe *tp);
static DEFINE_MUTEX(probe_lock);
static LIST_HEAD(probe_list);
@@ -351,9 +351,12 @@ static int unregister_trace_probe(struct trace_probe *tp)
if (trace_probe_is_enabled(tp))
return -EBUSY;
+ /* Will fail if probe is being used by ftrace or perf */
+ if (unregister_probe_event(tp))
+ return -EBUSY;
+
__unregister_trace_probe(tp);
list_del(&tp->list);
- unregister_probe_event(tp);
return 0;
}
@@ -632,7 +635,9 @@ static int release_all_trace_probes(void)
/* TODO: Use batch unregistration */
while (!list_empty(&probe_list)) {
tp = list_entry(probe_list.next, struct trace_probe, list);
- unregister_trace_probe(tp);
+ ret = unregister_trace_probe(tp);
+ if (ret)
+ goto end;
free_trace_probe(tp);
}
@@ -1247,11 +1252,15 @@ static int register_probe_event(struct trace_probe *tp)
return ret;
}
-static void unregister_probe_event(struct trace_probe *tp)
+static int unregister_probe_event(struct trace_probe *tp)
{
+ int ret;
+
/* tp->event is unregistered in trace_remove_event_call() */
- trace_remove_event_call(&tp->call);
- kfree(tp->call.print_fmt);
+ ret = trace_remove_event_call(&tp->call);
+ if (!ret)
+ kfree(tp->call.print_fmt);
+ return ret;
}
/* Make a debugfs interface for controlling probe points */
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index a23d2d7..272261b 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -70,7 +70,7 @@ struct trace_uprobe {
(sizeof(struct probe_arg) * (n)))
static int register_uprobe_event(struct trace_uprobe *tu);
-static void unregister_uprobe_event(struct trace_uprobe *tu);
+static int unregister_uprobe_event(struct trace_uprobe *tu);
static DEFINE_MUTEX(uprobe_lock);
static LIST_HEAD(uprobe_list);
@@ -164,11 +164,17 @@ static struct trace_uprobe *find_probe_event(const char *event, const char *grou
}
/* Unregister a trace_uprobe and probe_event: call with locking uprobe_lock */
-static void unregister_trace_uprobe(struct trace_uprobe *tu)
+static int unregister_trace_uprobe(struct trace_uprobe *tu)
{
+ int ret;
+
+ ret = unregister_uprobe_event(tu);
+ if (ret)
+ return ret;
+
list_del(&tu->list);
- unregister_uprobe_event(tu);
free_trace_uprobe(tu);
+ return 0;
}
/* Register a trace_uprobe and probe_event */
@@ -181,9 +187,12 @@ static int register_trace_uprobe(struct trace_uprobe *tu)
/* register as an event */
old_tp = find_probe_event(tu->call.name, tu->call.class->system);
- if (old_tp)
+ if (old_tp) {
/* delete old event */
- unregister_trace_uprobe(old_tp);
+ ret = unregister_trace_uprobe(old_tp);
+ if (ret)
+ goto end;
+ }
ret = register_uprobe_event(tu);
if (ret) {
@@ -256,6 +265,8 @@ static int create_trace_uprobe(int argc, char **argv)
group = UPROBE_EVENT_SYSTEM;
if (is_delete) {
+ int ret;
+
if (!event) {
pr_info("Delete command needs an event name.\n");
return -EINVAL;
@@ -269,9 +280,9 @@ static int create_trace_uprobe(int argc, char **argv)
return -ENOENT;
}
/* delete an event */
- unregister_trace_uprobe(tu);
+ ret = unregister_trace_uprobe(tu);
mutex_unlock(&uprobe_lock);
- return 0;
+ return ret;
}
if (argc < 2) {
@@ -408,16 +419,20 @@ fail_address_parse:
return ret;
}
-static void cleanup_all_probes(void)
+static int cleanup_all_probes(void)
{
struct trace_uprobe *tu;
+ int ret = 0;
mutex_lock(&uprobe_lock);
while (!list_empty(&uprobe_list)) {
tu = list_entry(uprobe_list.next, struct trace_uprobe, list);
- unregister_trace_uprobe(tu);
+ ret = unregister_trace_uprobe(tu);
+ if (ret)
+ break;
}
mutex_unlock(&uprobe_lock);
+ return ret;
}
/* Probes listing interfaces */
@@ -462,8 +477,13 @@ static const struct seq_operations probes_seq_op = {
static int probes_open(struct inode *inode, struct file *file)
{
- if ((file->f_mode & FMODE_WRITE) && (file->f_flags & O_TRUNC))
- cleanup_all_probes();
+ int ret;
+
+ if ((file->f_mode & FMODE_WRITE) && (file->f_flags & O_TRUNC)) {
+ ret = cleanup_all_probes();
+ if (ret)
+ return ret;
+ }
return seq_open(file, &probes_seq_op);
}
@@ -968,12 +988,17 @@ static int register_uprobe_event(struct trace_uprobe *tu)
return ret;
}
-static void unregister_uprobe_event(struct trace_uprobe *tu)
+static int unregister_uprobe_event(struct trace_uprobe *tu)
{
+ int ret;
+
/* tu->event is unregistered in trace_remove_event_call() */
- trace_remove_event_call(&tu->call);
+ ret = trace_remove_event_call(&tu->call);
+ if (ret)
+ return ret;
kfree(tu->call.print_fmt);
tu->call.print_fmt = NULL;
+ return 0;
}
/* Make a trace interface for controling probe points */
diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index d8c30db..9064b91 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -62,6 +62,9 @@ int create_user_ns(struct cred *new)
kgid_t group = new->egid;
int ret;
+ if (parent_ns->level > 32)
+ return -EUSERS;
+
/*
* Verify that we can not violate the policy of which files
* may be accessed that is specified by the root directory,
@@ -92,6 +95,7 @@ int create_user_ns(struct cred *new)
atomic_set(&ns->count, 1);
/* Leave the new->user_ns reference with the new user namespace. */
ns->parent = parent_ns;
+ ns->level = parent_ns->level + 1;
ns->owner = owner;
ns->group = group;
@@ -105,16 +109,21 @@ int create_user_ns(struct cred *new)
int unshare_userns(unsigned long unshare_flags, struct cred **new_cred)
{
struct cred *cred;
+ int err = -ENOMEM;
if (!(unshare_flags & CLONE_NEWUSER))
return 0;
cred = prepare_creds();
- if (!cred)
- return -ENOMEM;
+ if (cred) {
+ err = create_user_ns(cred);
+ if (err)
+ put_cred(cred);
+ else
+ *new_cred = cred;
+ }
- *new_cred = cred;
- return create_user_ns(cred);
+ return err;
}
void free_user_ns(struct user_namespace *ns)
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 0b72e81..7f5d4be 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -2817,6 +2817,19 @@ already_gone:
return false;
}
+static bool __flush_work(struct work_struct *work)
+{
+ struct wq_barrier barr;
+
+ if (start_flush_work(work, &barr)) {
+ wait_for_completion(&barr.done);
+ destroy_work_on_stack(&barr.work);
+ return true;
+ } else {
+ return false;
+ }
+}
+
/**
* flush_work - wait for a work to finish executing the last queueing instance
* @work: the work to flush
@@ -2830,18 +2843,10 @@ already_gone:
*/
bool flush_work(struct work_struct *work)
{
- struct wq_barrier barr;
-
lock_map_acquire(&work->lockdep_map);
lock_map_release(&work->lockdep_map);
- if (start_flush_work(work, &barr)) {
- wait_for_completion(&barr.done);
- destroy_work_on_stack(&barr.work);
- return true;
- } else {
- return false;
- }
+ return __flush_work(work);
}
EXPORT_SYMBOL_GPL(flush_work);
@@ -3411,6 +3416,12 @@ static void copy_workqueue_attrs(struct workqueue_attrs *to,
{
to->nice = from->nice;
cpumask_copy(to->cpumask, from->cpumask);
+ /*
+ * Unlike hash and equality test, this function doesn't ignore
+ * ->no_numa as it is used for both pool and wq attrs. Instead,
+ * get_unbound_pool() explicitly clears ->no_numa after copying.
+ */
+ to->no_numa = from->no_numa;
}
/* hash value of the content of @attr */
@@ -3578,6 +3589,12 @@ static struct worker_pool *get_unbound_pool(const struct workqueue_attrs *attrs)
lockdep_set_subclass(&pool->lock, 1); /* see put_pwq() */
copy_workqueue_attrs(pool->attrs, attrs);
+ /*
+ * no_numa isn't a worker_pool attribute, always clear it. See
+ * 'struct workqueue_attrs' comments for detail.
+ */
+ pool->attrs->no_numa = false;
+
/* if cpumask is contained inside a NUMA node, we belong to that node */
if (wq_numa_enabled) {
for_each_node(node) {
@@ -4756,7 +4773,14 @@ long work_on_cpu(int cpu, long (*fn)(void *), void *arg)
INIT_WORK_ONSTACK(&wfc.work, work_for_cpu_fn);
schedule_work_on(cpu, &wfc.work);
- flush_work(&wfc.work);
+
+ /*
+ * The work item is on-stack and can't lead to deadlock through
+ * flushing. Use __flush_work() to avoid spurious lockdep warnings
+ * when work_on_cpu()s are nested.
+ */
+ __flush_work(&wfc.work);
+
return wfc.ret;
}
EXPORT_SYMBOL_GPL(work_on_cpu);
diff --git a/mm/slub.c b/mm/slub.c
index 2b02d66..e3ba1f2 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1968,9 +1968,6 @@ static void put_cpu_partial(struct kmem_cache *s, struct page *page, int drain)
int pages;
int pobjects;
- if (!s->cpu_partial)
- return;
-
do {
pages = 0;
pobjects = 0;
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 74f6a70..ecbc4e3 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1660,6 +1660,10 @@ call_connect(struct rpc_task *task)
task->tk_action = call_connect_status;
if (task->tk_status < 0)
return;
+ if (task->tk_flags & RPC_TASK_NOCONNECT) {
+ rpc_exit(task, -ENOTCONN);
+ return;
+ }
xprt_connect(task);
}
}
diff --git a/net/sunrpc/netns.h b/net/sunrpc/netns.h
index 74d948f..779742c 100644
--- a/net/sunrpc/netns.h
+++ b/net/sunrpc/netns.h
@@ -23,6 +23,7 @@ struct sunrpc_net {
struct rpc_clnt *rpcb_local_clnt4;
spinlock_t rpcb_clnt_lock;
unsigned int rpcb_users;
+ unsigned int rpcb_is_af_local : 1;
struct mutex gssp_lock;
wait_queue_head_t gssp_wq;
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 3df764d..1891a10 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -204,13 +204,15 @@ void rpcb_put_local(struct net *net)
}
static void rpcb_set_local(struct net *net, struct rpc_clnt *clnt,
- struct rpc_clnt *clnt4)
+ struct rpc_clnt *clnt4,
+ bool is_af_local)
{
struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
/* Protected by rpcb_create_local_mutex */
sn->rpcb_local_clnt = clnt;
sn->rpcb_local_clnt4 = clnt4;
+ sn->rpcb_is_af_local = is_af_local ? 1 : 0;
smp_wmb();
sn->rpcb_users = 1;
dprintk("RPC: created new rpcb local clients (rpcb_local_clnt: "
@@ -238,6 +240,14 @@ static int rpcb_create_local_unix(struct net *net)
.program = &rpcb_program,
.version = RPCBVERS_2,
.authflavor = RPC_AUTH_NULL,
+ /*
+ * We turn off the idle timeout to prevent the kernel
+ * from automatically disconnecting the socket.
+ * Otherwise, we'd have to cache the mount namespace
+ * of the caller and somehow pass that to the socket
+ * reconnect code.
+ */
+ .flags = RPC_CLNT_CREATE_NO_IDLE_TIMEOUT,
};
struct rpc_clnt *clnt, *clnt4;
int result = 0;
@@ -263,7 +273,7 @@ static int rpcb_create_local_unix(struct net *net)
clnt4 = NULL;
}
- rpcb_set_local(net, clnt, clnt4);
+ rpcb_set_local(net, clnt, clnt4, true);
out:
return result;
@@ -315,7 +325,7 @@ static int rpcb_create_local_net(struct net *net)
clnt4 = NULL;
}
- rpcb_set_local(net, clnt, clnt4);
+ rpcb_set_local(net, clnt, clnt4, false);
out:
return result;
@@ -376,13 +386,16 @@ static struct rpc_clnt *rpcb_create(struct net *net, const char *hostname,
return rpc_create(&args);
}
-static int rpcb_register_call(struct rpc_clnt *clnt, struct rpc_message *msg)
+static int rpcb_register_call(struct sunrpc_net *sn, struct rpc_clnt *clnt, struct rpc_message *msg, bool is_set)
{
- int result, error = 0;
+ int flags = RPC_TASK_NOCONNECT;
+ int error, result = 0;
+ if (is_set || !sn->rpcb_is_af_local)
+ flags = RPC_TASK_SOFTCONN;
msg->rpc_resp = &result;
- error = rpc_call_sync(clnt, msg, RPC_TASK_SOFTCONN);
+ error = rpc_call_sync(clnt, msg, flags);
if (error < 0) {
dprintk("RPC: failed to contact local rpcbind "
"server (errno %d).\n", -error);
@@ -439,16 +452,19 @@ int rpcb_register(struct net *net, u32 prog, u32 vers, int prot, unsigned short
.rpc_argp = &map,
};
struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
+ bool is_set = false;
dprintk("RPC: %sregistering (%u, %u, %d, %u) with local "
"rpcbind\n", (port ? "" : "un"),
prog, vers, prot, port);
msg.rpc_proc = &rpcb_procedures2[RPCBPROC_UNSET];
- if (port)
+ if (port != 0) {
msg.rpc_proc = &rpcb_procedures2[RPCBPROC_SET];
+ is_set = true;
+ }
- return rpcb_register_call(sn->rpcb_local_clnt, &msg);
+ return rpcb_register_call(sn, sn->rpcb_local_clnt, &msg, is_set);
}
/*
@@ -461,6 +477,7 @@ static int rpcb_register_inet4(struct sunrpc_net *sn,
const struct sockaddr_in *sin = (const struct sockaddr_in *)sap;
struct rpcbind_args *map = msg->rpc_argp;
unsigned short port = ntohs(sin->sin_port);
+ bool is_set = false;
int result;
map->r_addr = rpc_sockaddr2uaddr(sap, GFP_KERNEL);
@@ -471,10 +488,12 @@ static int rpcb_register_inet4(struct sunrpc_net *sn,
map->r_addr, map->r_netid);
msg->rpc_proc = &rpcb_procedures4[RPCBPROC_UNSET];
- if (port)
+ if (port != 0) {
msg->rpc_proc = &rpcb_procedures4[RPCBPROC_SET];
+ is_set = true;
+ }
- result = rpcb_register_call(sn->rpcb_local_clnt4, msg);
+ result = rpcb_register_call(sn, sn->rpcb_local_clnt4, msg, is_set);
kfree(map->r_addr);
return result;
}
@@ -489,6 +508,7 @@ static int rpcb_register_inet6(struct sunrpc_net *sn,
const struct sockaddr_in6 *sin6 = (const struct sockaddr_in6 *)sap;
struct rpcbind_args *map = msg->rpc_argp;
unsigned short port = ntohs(sin6->sin6_port);
+ bool is_set = false;
int result;
map->r_addr = rpc_sockaddr2uaddr(sap, GFP_KERNEL);
@@ -499,10 +519,12 @@ static int rpcb_register_inet6(struct sunrpc_net *sn,
map->r_addr, map->r_netid);
msg->rpc_proc = &rpcb_procedures4[RPCBPROC_UNSET];
- if (port)
+ if (port != 0) {
msg->rpc_proc = &rpcb_procedures4[RPCBPROC_SET];
+ is_set = true;
+ }
- result = rpcb_register_call(sn->rpcb_local_clnt4, msg);
+ result = rpcb_register_call(sn, sn->rpcb_local_clnt4, msg, is_set);
kfree(map->r_addr);
return result;
}
@@ -519,7 +541,7 @@ static int rpcb_unregister_all_protofamilies(struct sunrpc_net *sn,
map->r_addr = "";
msg->rpc_proc = &rpcb_procedures4[RPCBPROC_UNSET];
- return rpcb_register_call(sn->rpcb_local_clnt4, msg);
+ return rpcb_register_call(sn, sn->rpcb_local_clnt4, msg, false);
}
/**
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 3f7682a..eefbd10 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -1998,12 +1998,11 @@ static void smk_ipv6_port_label(struct socket *sock, struct sockaddr *address)
*
* Create or update the port list entry
*/
-static int smk_ipv6_port_check(struct sock *sk, struct sockaddr *address,
+static int smk_ipv6_port_check(struct sock *sk, struct sockaddr_in6 *address,
int act)
{
__be16 *bep;
__be32 *be32p;
- struct sockaddr_in6 *addr6;
struct smk_port_label *spp;
struct socket_smack *ssp = sk->sk_security;
struct smack_known *skp;
@@ -2025,10 +2024,9 @@ static int smk_ipv6_port_check(struct sock *sk, struct sockaddr *address,
/*
* Get the IP address and port from the address.
*/
- addr6 = (struct sockaddr_in6 *)address;
- port = ntohs(addr6->sin6_port);
- bep = (__be16 *)(&addr6->sin6_addr);
- be32p = (__be32 *)(&addr6->sin6_addr);
+ port = ntohs(address->sin6_port);
+ bep = (__be16 *)(&address->sin6_addr);
+ be32p = (__be32 *)(&address->sin6_addr);
/*
* It's remote, so port lookup does no good.
@@ -2060,9 +2058,9 @@ auditout:
ad.a.u.net->family = sk->sk_family;
ad.a.u.net->dport = port;
if (act == SMK_RECEIVING)
- ad.a.u.net->v6info.saddr = addr6->sin6_addr;
+ ad.a.u.net->v6info.saddr = address->sin6_addr;
else
- ad.a.u.net->v6info.daddr = addr6->sin6_addr;
+ ad.a.u.net->v6info.daddr = address->sin6_addr;
#endif
return smk_access(skp, object, MAY_WRITE, &ad);
}
@@ -2201,7 +2199,8 @@ static int smack_socket_connect(struct socket *sock, struct sockaddr *sap,
case PF_INET6:
if (addrlen < sizeof(struct sockaddr_in6))
return -EINVAL;
- rc = smk_ipv6_port_check(sock->sk, sap, SMK_CONNECTING);
+ rc = smk_ipv6_port_check(sock->sk, (struct sockaddr_in6 *)sap,
+ SMK_CONNECTING);
break;
}
return rc;
@@ -3034,7 +3033,7 @@ static int smack_socket_sendmsg(struct socket *sock, struct msghdr *msg,
int size)
{
struct sockaddr_in *sip = (struct sockaddr_in *) msg->msg_name;
- struct sockaddr *sap = (struct sockaddr *) msg->msg_name;
+ struct sockaddr_in6 *sap = (struct sockaddr_in6 *) msg->msg_name;
int rc = 0;
/*
@@ -3121,9 +3120,8 @@ static struct smack_known *smack_from_secattr(struct netlbl_lsm_secattr *sap,
return smack_net_ambient;
}
-static int smk_skb_to_addr_ipv6(struct sk_buff *skb, struct sockaddr *sap)
+static int smk_skb_to_addr_ipv6(struct sk_buff *skb, struct sockaddr_in6 *sip)
{
- struct sockaddr_in6 *sip = (struct sockaddr_in6 *)sap;
u8 nexthdr;
int offset;
int proto = -EINVAL;
@@ -3181,7 +3179,7 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
struct netlbl_lsm_secattr secattr;
struct socket_smack *ssp = sk->sk_security;
struct smack_known *skp;
- struct sockaddr sadd;
+ struct sockaddr_in6 sadd;
int rc = 0;
struct smk_audit_info ad;
#ifdef CONFIG_AUDIT
diff --git a/sound/usb/6fire/comm.c b/sound/usb/6fire/comm.c
index 9e6e3ff..23452ee 100644
--- a/sound/usb/6fire/comm.c
+++ b/sound/usb/6fire/comm.c
@@ -110,19 +110,37 @@ static int usb6fire_comm_send_buffer(u8 *buffer, struct usb_device *dev)
static int usb6fire_comm_write8(struct comm_runtime *rt, u8 request,
u8 reg, u8 value)
{
- u8 buffer[13]; /* 13: maximum length of message */
+ u8 *buffer;
+ int ret;
+
+ /* 13: maximum length of message */
+ buffer = kmalloc(13, GFP_KERNEL);
+ if (!buffer)
+ return -ENOMEM;
usb6fire_comm_init_buffer(buffer, 0x00, request, reg, value, 0x00);
- return usb6fire_comm_send_buffer(buffer, rt->chip->dev);
+ ret = usb6fire_comm_send_buffer(buffer, rt->chip->dev);
+
+ kfree(buffer);
+ return ret;
}
static int usb6fire_comm_write16(struct comm_runtime *rt, u8 request,
u8 reg, u8 vl, u8 vh)
{
- u8 buffer[13]; /* 13: maximum length of message */
+ u8 *buffer;
+ int ret;
+
+ /* 13: maximum length of message */
+ buffer = kmalloc(13, GFP_KERNEL);
+ if (!buffer)
+ return -ENOMEM;
usb6fire_comm_init_buffer(buffer, 0x00, request, reg, vl, vh);
- return usb6fire_comm_send_buffer(buffer, rt->chip->dev);
+ ret = usb6fire_comm_send_buffer(buffer, rt->chip->dev);
+
+ kfree(buffer);
+ return ret;
}
int usb6fire_comm_init(struct sfire_chip *chip)
@@ -135,6 +153,12 @@ int usb6fire_comm_init(struct sfire_chip *chip)
if (!rt)
return -ENOMEM;
+ rt->receiver_buffer = kzalloc(COMM_RECEIVER_BUFSIZE, GFP_KERNEL);
+ if (!rt->receiver_buffer) {
+ kfree(rt);
+ return -ENOMEM;
+ }
+
urb = &rt->receiver;
rt->serial = 1;
rt->chip = chip;
@@ -153,6 +177,7 @@ int usb6fire_comm_init(struct sfire_chip *chip)
urb->interval = 1;
ret = usb_submit_urb(urb, GFP_KERNEL);
if (ret < 0) {
+ kfree(rt->receiver_buffer);
kfree(rt);
snd_printk(KERN_ERR PREFIX "cannot create comm data receiver.");
return ret;
@@ -171,6 +196,9 @@ void usb6fire_comm_abort(struct sfire_chip *chip)
void usb6fire_comm_destroy(struct sfire_chip *chip)
{
- kfree(chip->comm);
+ struct comm_runtime *rt = chip->comm;
+
+ kfree(rt->receiver_buffer);
+ kfree(rt);
chip->comm = NULL;
}
diff --git a/sound/usb/6fire/comm.h b/sound/usb/6fire/comm.h
index 6a0840b..780d5ed 100644
--- a/sound/usb/6fire/comm.h
+++ b/sound/usb/6fire/comm.h
@@ -24,7 +24,7 @@ struct comm_runtime {
struct sfire_chip *chip;
struct urb receiver;
- u8 receiver_buffer[COMM_RECEIVER_BUFSIZE];
+ u8 *receiver_buffer;
u8 serial; /* urb serial */
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 7a444b5..659950e 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -591,17 +591,16 @@ static int data_ep_set_params(struct snd_usb_endpoint *ep,
ep->stride = frame_bits >> 3;
ep->silence_value = pcm_format == SNDRV_PCM_FORMAT_U8 ? 0x80 : 0;
- /* calculate max. frequency */
- if (ep->maxpacksize) {
+ /* assume max. frequency is 25% higher than nominal */
+ ep->freqmax = ep->freqn + (ep->freqn >> 2);
+ maxsize = ((ep->freqmax + 0xffff) * (frame_bits >> 3))
+ >> (16 - ep->datainterval);
+ /* but wMaxPacketSize might reduce this */
+ if (ep->maxpacksize && ep->maxpacksize < maxsize) {
/* whatever fits into a max. size packet */
maxsize = ep->maxpacksize;
ep->freqmax = (maxsize / (frame_bits >> 3))
<< (16 - ep->datainterval);
- } else {
- /* no max. packet size: just take 25% higher than nominal */
- ep->freqmax = ep->freqn + (ep->freqn >> 2);
- maxsize = ((ep->freqmax + 0xffff) * (frame_bits >> 3))
- >> (16 - ep->datainterval);
}
if (ep->fill_max)