| Commit message (Collapse) | Author | Age | Files | Lines |
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Cleanup the ohci-ep93xx driver.
1) Use the usb.h dbg() macro instead of pr_debug() so that
the source filename is prefixed to the message and it is
terminated with a linefeed.
2) Add error handling for the clk_get() call.
3) Update clkdev support so that the usb clock is matched by
the dev_id instead of the con_id.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Updated defconfig for ep93xx. By default, support for all boards which
boot from 0x00000000 (SDCE3/SyncBoot) is included. Also updated the
defconfig to use EABI for building the kernel.
Signed-off-by: Ryan Mallon <ryan@bluewatersys.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch adds a Kconfig option to select between ep93xx boards which
boot from the SDRAM bank at 0x00000000 (SDCE3/SyncBoot) and those which
boot from 0xc0000000 (SDCE0). This corrects a problem which causes
invalid images to be built for boards which boot from 0xc0000000.
Signed-off-by: Ryan Mallon <ryan@bluewatersys.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The Cirrus Logic EDB93xx development board platform init files
share redundant code. The only differences are in the flash
memory configuration, MACH_TYPE, and additional on-board
I2C devices. This patch merges all of them into one file.
Cc: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: Herbert Valerio Riedel <hvr@gnu.org>
Cc: Toufeeq Hussain <toufeeq_hussain@infosys.com>
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Ryan Mallon <ryan@bluewatersys.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Update the rtc-ep93xx driver to use ioremap'ed addresses.
This removes the dependency on <mach/hardware.h> and properly
reports the memory addresses used by the driver in /proc/iomem.
In addition, ep93xx_rtc_init() is updated to use
platform_driver_probe() instead of platform_driver_register().
Also, the device_create_file() calls are now properly checked for
error conditions. The created sysfs files are also now removed
when the driver is removed.
The version number for the driver has been bumped at the request
of Alessandro Zummo.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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In the long run, we may want to place page tables in highmem. However,
pmd_page() has traditionally been coded to convert the physical address
to a virtual one, which won't work with highmem pages. Instead,
translate the physical address to a PFN, and then convert the PFN to a
struct page instead.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Commit c751085943362143f84346d274e0011419c84202 ("PM/Hibernate: Wait for
SCSI devices scan to complete during resume") added a call to
scsi_complete_async_scans() to software_resume(), so that it waited for
the SCSI scanning to complete, but the call was added at a wrong place.
Namely, it should have been added after wait_for_device_probe(), which
is called only if the image partition hasn't been specified yet. Also,
it's reasonable to check if the image partition is present and only wait
for the device probing and SCSI scanning to complete if it is not the
case.
Additionally, since noresume is checked right at the beginning of
software_resume() and the function returns immediately if it's set, it
doesn't make sense to check it once again later.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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RomFS should advance the destination buffer pointer when reading data from a
blockdev source (the data may be split over multiple blocks, each requiring its
own sb_read() call). Without this, all the data is copied to the beginning of
the output buffer.
Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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romfs_lookup() should be using a routine akin to strcmp() on the backing store,
rather than one akin to strncmp(). If it uses the latter, it's liable to match
/bin/shutdown when looking up /bin/sh.
Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Currently, although find_last_bit is EXPORTed, it is statically linked
with the kernel and is referenced only under CONFIG_SMP.
When CONFIG_SMP is undefined and find_last_bit is referenced only by
modules, linking fails with:
ERROR: "find_last_bit" [fs/nfs/nfs.ko] undefined!
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Fred Isaman <iisaman@citi.umich.edu>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Adjust the CacheFiles documentation to use the correct names of the credential
pointers in task_struct.
The documentation was using names from the old versions of the credentials
patches.
Signed-off-by: Marc Dionne <marc.c.dionne@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The virtio-rng drivers checks for spurious callbacks. Since
callbacks can be implemented via shared interrupts (e.g. PCI) this
could lead to guest kernel oopses with lots of virtio devices.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'fixes-for-linus' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: add parameter to microblaze_read()
microblaze: Use CFLAGS_KERNEL instead of CFLAGS
microblaze: Add STATE_SAVE_ARG_SPACE for noMMU kernel too
microblaze: Do not check use_dcache
microblaze: Do not use PVR configuration for broken MB version
microblaze: Fix USR1/2 pvr printing message
microblaze: iowrite upon timeout
microblaze: Correspond CONFIG...PCMP in Makefile/Kconfig
microblaze: Remove redundant variable
microblaze: Move start_thread to process.c
microblaze: Add missing preadv and pwritev syscalls
microblaze: Add missing declaration for die and _exception func
microblaze: Remove sparse error in traps.c
microblaze: Move task_pt_regs up
microblaze: Rename kernel_mode to pt_mode in pt_regs
microblaze: Remove uncache shadow condition
microblaze: Remove while(1) loop from show_regs function
microblaze: Remove unneded per cpu SYSCALL_SAVE variable
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This patch modifies parameter of microblaze_read() from 'void' to 'struct
clocksource *cs', which fixes compile warning for incompatible parameter type.
Signed-off-by: Coly Li <coly.li@suse.de>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Signed-off-by: Michal Simek <monstr@monstr.eu>
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For noMMU kernel this change nothing bring but this change
helps with MMU synchronization.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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It is not necessary to check cpuinfo.use_dcache because
this checking is done in function which call that functions
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Signed-off-by: Michal Simek <monstr@monstr.eu>
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Signed-off-by: Michal Simek <monstr@monstr.eu>
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retries reaches -1, so the iowrite occurrs upon timeout.
Acked-by: John Williams <john.williams@petalogix.com>
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Makefile contained different cpu config flag
than is in Kconfig.auto in platform folder
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Signed-off-by: Michal Simek <monstr@monstr.eu>
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This change is due to upcomming MMU merge
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Signed-off-by: Michal Simek <monstr@monstr.eu>
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This change remove sparse errors.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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CHECK arch/microblaze/kernel/traps.c
arch/microblaze/kernel/traps.c:37:47: warning: Using plain integer as NULL pointer
CC arch/microblaze/kernel/traps.o
Signed-off-by: Michal Simek <monstr@monstr.eu>
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This change is important for easier merge with Microblaze MMU code.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Signed-off-by: Michal Simek <monstr@monstr.eu>
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Uncached shadow feature is not supported in current
kernel code that's why I removed it.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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I removed it because of show_regs can't break die function.
If process/kernel failed, die (do_exit) function resolve it.
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Signed-off-by: Michal Simek <monstr@monstr.eu>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (34 commits)
ACPI, i915: Register ACPI video even when not modesetting
Revert "ACPICA: delete check for AML access to port 0x81-83"
I/O port protection: update for windows compatibility.
sony-laptop: always try to unblock rfkill on load
sony-laptop: fix bogus error message display on resume
ACPI: EC: Fix ACPI EC resume non-query interrupt message
sony-laptop: SNC input event 38 fix
sony-laptop: SNC 127 Initialization Fix
sony-laptop: Duplicate SNC 127 Event Fix
ACPI: prevent processor.max_cstate=0 boot crash
ACPI/hpet: prevent boot hang when hpet=force used on ICH-4M
ACPI: delete obsolete "bus master activity" proc field
ACPI: idle: mark_tsc_unstable() at init-time, not run-time
ACPI: add /sys/firmware/acpi/interrupts/sci_not counter
ACPI video: fix an error when the brightness levels on AC and on Battery are same
acpi-cpufreq: Do not let get_measured perf depend on internal variable
acpi-cpufreq: style-only: add parens to math expression
acpi-cpufreq: Cleanup: Use printk_once
x86, acpi_cpufreq: Fix the NULL pointer dereference in get_measured_perf
thinkpad-acpi: bump up version to 0.23
...
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This patch removes the driver distinction between control method (CM)
and fixed hardware (FF) buttons. We previously needed that so we
could install either a fixed event handler or a notify handler, but
the Linux/ACPI code now handles that for us, so we don't need to
worry about it.
Note that this removes the FF/CM annotation from the "info" files
in /proc. For example,
/proc/acpi/button/PWRF/info:
-type: Power Button (FF)
+type: Power Button
I don't think there's anything meaningful user-space can do by
knowing whether a button is a control method or a fixed hardware
button, so nobody should be looking at the FF/CM.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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We no longer need a pointer from struct acpi_button back to the
struct acpi_device. Everywhere we used that pointer, we either
already have, or can easily get, the acpi_device pointer without
using the copy from acpi_button. So this patch removes the
structure element.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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This patch adds temporaries to cache the acpi_device_hid(),
acpi_device_name(), and acpi_device_class() pointers so we
don't have to clutter the code with so many uses of those
interfaces.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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It's typical and slightly more compact to look up the driver_data
structure by initializing the automatic variable at its definition.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Better to oops and learn about a bug than to silently cover it up.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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This patch changes a bit of whitespace to follow Linux conventions.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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This reverts commit fdbdc7fc79c02ae4ede869d514179a2c65633d28.
That temporary quick-fix is no longer necessary,
as the previous patch, a65131e942e25c707a652fa4ec2cfcd8b63fec11,
"I/O port protection: update for windows compatibility"
should handle this issue for all ports, including this one.
Signed-off-by: Len Brown <len.brown@intel.com>
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For windows compatibility,
1) On a port protection violation, simply ignore the request and
do not return an exception (allow the control method to continue execution.)
2) If only part of the request overlaps a protected port,
read/write the individual ports that are not protected.
http://bugzilla.kernel.org/show_bug.cgi?id=13036
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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The ACPI video driver defers registration to the i915 driver if the
system supports opregion-mediated backlight control. This registration
was only being performed in the KMS case. Ensure it's done even if we
don't have modesetting enabled.
http://bugzilla.kernel.org/show_bug.cgi?id=13048
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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As processor.max_cstate is an init-time-only modparam,
sanity checking it at init-time is sufficient.
http://bugzilla.kernel.org/show_bug.cgi?id=13142
Signed-off-by: Len Brown <len.brown@intel.com>
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Linux tells ICH4 users that they can (manually) invoke
"hpet=force" to enable the undocumented ICH-4M HPET.
The HPET becomes available for both clocksource and clockevents.
But as of ff69f2bba67bd45514923aaedbf40fe351787c59
(acpi: fix of pmtimer overflow that make Cx states time incorrect)
the HPET may be used via clocksource for idle accounting, and
hpet=force on an ICH4 box hangs boot.
It turns out that touching the MMIO HPET withing
the ARB_DIS part of C3 will hang the hardware.
The fix is to simply move the timer access outside
the ARB_DIS region. This is a no-op on modern hardware
because ARB_DIS is no longer used.
http://bugzilla.kernel.org/show_bug.cgi?id=13087
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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