Merge remote-tracking branch 'linux-stable/linux-3.0.y' into p-android-omap-3.0-dev-espresso

Conflicts:
	Makefile
	arch/arm/include/asm/hardware/cache-l2x0.h
	arch/arm/kernel/smp.c
	arch/arm/mach-omap2/board-4430sdp.c
	arch/arm/mach-omap2/board-omap4panda.c
	arch/arm/mach-omap2/opp.c
	arch/ia64/include/asm/futex.h
	drivers/bluetooth/ath3k.c
	drivers/bluetooth/btusb.c
	drivers/firmware/efivars.c
	drivers/gpu/drm/i915/intel_lvds.c
	drivers/gpu/drm/radeon/radeon_atombios.c
	drivers/gpu/drm/radeon/radeon_irq_kms.c
	drivers/hwmon/fam15h_power.c
	drivers/mfd/twl6030-irq.c
	drivers/mmc/core/sdio.c
	drivers/net/tun.c
	drivers/net/usb/ipheth.c
	drivers/net/usb/usbnet.c
	drivers/usb/core/hub.c
	drivers/usb/host/xhci-mem.c
	drivers/usb/host/xhci.h
	drivers/usb/musb/omap2430.c
	drivers/usb/serial/ftdi_sio.c
	drivers/usb/serial/ftdi_sio_ids.h
	drivers/usb/serial/option.c
	drivers/usb/serial/qcserial.c
	drivers/usb/serial/ti_usb_3410_5052.c
	drivers/usb/serial/ti_usb_3410_5052.h
	drivers/video/omap2/dss/hdmi.c
	fs/splice.c
	include/asm-generic/pgtable.h
	include/net/sch_generic.h
	kernel/cgroup.c
	kernel/futex.c
	kernel/time/timekeeping.c
	net/ipv4/route.c
	net/ipv4/syncookies.c
	net/ipv4/tcp_ipv4.c
	net/wireless/util.c
	security/commoncap.c
	sound/soc/soc-dapm.c

6 files changed, 28 insertions, 12 deletions

diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index a20e1c4..ccd81b1 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -408,8 +408,6 @@ static irqreturn_t ab3100_irq_handler(int irq, void *data)
 	u32 fatevent;
 	int err;
 
-	add_interrupt_randomness(irq);
-
 	err = ab3100_get_register_page_interruptible(ab3100, AB3100_EVENTA1,
 				       event_regs, 3);
 	if (err)
@@ -938,9 +936,6 @@ static int __devinit ab3100_probe(struct i2c_client *client,
 
 	err = request_threaded_irq(client->irq, NULL, ab3100_irq_handler,
 				IRQF_ONESHOT, "ab3100-core", ab3100);
-	/* This real unpredictable IRQ is of course sampled for entropy */
-	rand_initialize_irq(client->irq);
-
 	if (err)
 		goto exit_no_irq;
 
diff --git a/drivers/mfd/ab3550-core.c b/drivers/mfd/ab3550-core.c
index 3d7dce6..d69dc4b 100644
--- a/drivers/mfd/ab3550-core.c
+++ b/drivers/mfd/ab3550-core.c
@@ -1309,8 +1309,6 @@ static int __init ab3550_probe(struct i2c_client *client,
 
 	err = request_threaded_irq(client->irq, NULL, ab3550_irq_handler,
 		IRQF_ONESHOT, "ab3550-core", ab);
-	/* This real unpredictable IRQ is of course sampled for entropy */
-	rand_initialize_irq(client->irq);
 
 	if (err)
 		goto exit_no_irq;
diff --git a/drivers/mfd/adp5520.c b/drivers/mfd/adp5520.c
index f1d8848..2943fbf 100644
--- a/drivers/mfd/adp5520.c
+++ b/drivers/mfd/adp5520.c
@@ -36,6 +36,7 @@ struct adp5520_chip {
 	struct blocking_notifier_head notifier_list;
 	int irq;
 	unsigned long id;
+	uint8_t mode;
 };
 
 static int __adp5520_read(struct i2c_client *client,
@@ -326,7 +327,10 @@ static int adp5520_suspend(struct device *dev)
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adp5520_chip *chip = dev_get_drvdata(&client->dev);
 
-	adp5520_clr_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY);
+	adp5520_read(chip->dev, ADP5520_MODE_STATUS, &chip->mode);
+	/* All other bits are W1C */
+	chip->mode &= ADP5520_BL_EN | ADP5520_DIM_EN | ADP5520_nSTNBY;
+	adp5520_write(chip->dev, ADP5520_MODE_STATUS, 0);
 	return 0;
 }
 
@@ -335,7 +339,7 @@ static int adp5520_resume(struct device *dev)
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adp5520_chip *chip = dev_get_drvdata(&client->dev);
 
-	adp5520_set_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY);
+	adp5520_write(chip->dev, ADP5520_MODE_STATUS, chip->mode);
 	return 0;
 }
 #endif
diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
index 43a76c4..db662e2 100644
--- a/drivers/mfd/ezx-pcap.c
+++ b/drivers/mfd/ezx-pcap.c
@@ -202,7 +202,7 @@ static void pcap_isr_work(struct work_struct *work)
 		}
 		local_irq_enable();
 		ezx_pcap_write(pcap, PCAP_REG_MSR, pcap->msr);
-	} while (gpio_get_value(irq_to_gpio(pcap->spi->irq)));
+	} while (gpio_get_value(pdata->gpio));
 }
 
 static void pcap_irq_handler(unsigned int irq, struct irq_desc *desc)
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index acf9dad..b36aadb 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -18,6 +18,10 @@
 #include <linux/pm_runtime.h>
 #include <linux/slab.h>
 
+static struct device_type mfd_dev_type = {
+	.name	= "mfd_device",
+};
+
 int mfd_cell_enable(struct platform_device *pdev)
 {
 	const struct mfd_cell *cell = mfd_get_cell(pdev);
@@ -87,6 +91,7 @@ static int mfd_add_device(struct device *parent, int id,
 		goto fail_device;
 
 	pdev->dev.parent = parent;
+	pdev->dev.type = &mfd_dev_type;
 
 	if (cell->pdata_size) {
 		ret = platform_device_add_data(pdev,
@@ -182,10 +187,16 @@ EXPORT_SYMBOL(mfd_add_devices);
 
 static int mfd_remove_devices_fn(struct device *dev, void *c)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	const struct mfd_cell *cell = mfd_get_cell(pdev);
+	struct platform_device *pdev;
+	const struct mfd_cell *cell;
 	atomic_t **usage_count = c;
 
+	if (dev->type != &mfd_dev_type)
+		return 0;
+
+	pdev = to_platform_device(dev);
+	cell = mfd_get_cell(pdev);
+
 	/* find the base address of usage_count pointers (for freeing) */
 	if (!*usage_count || (cell->usage_count < *usage_count))
 		*usage_count = cell->usage_count;
diff --git a/drivers/mfd/wm831x-otp.c b/drivers/mfd/wm831x-otp.c
index f742745..b90f3e0 100644
--- a/drivers/mfd/wm831x-otp.c
+++ b/drivers/mfd/wm831x-otp.c
@@ -18,6 +18,7 @@
 #include <linux/bcd.h>
 #include <linux/delay.h>
 #include <linux/mfd/core.h>
+#include <linux/random.h>
 
 #include <linux/mfd/wm831x/core.h>
 #include <linux/mfd/wm831x/otp.h>
@@ -66,6 +67,7 @@ static DEVICE_ATTR(unique_id, 0444, wm831x_unique_id_show, NULL);
 
 int wm831x_otp_init(struct wm831x *wm831x)
 {
+	char uuid[WM831X_UNIQUE_ID_LEN];
 	int ret;
 
 	ret = device_create_file(wm831x->dev, &dev_attr_unique_id);
@@ -73,6 +75,12 @@ int wm831x_otp_init(struct wm831x *wm831x)
 		dev_err(wm831x->dev, "Unique ID attribute not created: %d\n",
 			ret);
 
+	ret = wm831x_unique_id_read(wm831x, uuid);
+	if (ret == 0)
+		add_device_randomness(uuid, sizeof(uuid));
+	else
+		dev_err(wm831x->dev, "Failed to read UUID: %d\n", ret);
+
 	return ret;
 }