Merge branch 'origin' into devel-stable

Conflicts:
	arch/arm/mach-mx2/devices.c
	arch/arm/mach-mx2/devices.h
	sound/soc/pxa/pxa-ssp.c

8 files changed, 287 insertions, 114 deletions

diff --git a/drivers/input/misc/88pm860x_onkey.c b/drivers/input/misc/88pm860x_onkey.c
new file mode 100644
index 00000000000..69a48e8701b
--- /dev/null
+++ b/drivers/input/misc/88pm860x_onkey.c
@@ -0,0 +1,155 @@
+/*
+ * 88pm860x_onkey.c - Marvell 88PM860x ONKEY driver
+ *
+ * Copyright (C) 2009-2010 Marvell International Ltd.
+ *      Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file "COPYING" in the main directory of this
+ * archive for more details.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/mfd/88pm860x.h>
+
+#define PM8607_WAKEUP		0x0b
+
+#define LONG_ONKEY_EN		(1 << 1)
+#define ONKEY_STATUS		(1 << 0)
+
+struct pm860x_onkey_info {
+	struct input_dev	*idev;
+	struct pm860x_chip	*chip;
+	struct i2c_client	*i2c;
+	struct device		*dev;
+	int			irq;
+};
+
+/* 88PM860x gives us an interrupt when ONKEY is held */
+static irqreturn_t pm860x_onkey_handler(int irq, void *data)
+{
+	struct pm860x_onkey_info *info = data;
+	int ret;
+
+	ret = pm860x_reg_read(info->i2c, PM8607_STATUS_2);
+	ret &= ONKEY_STATUS;
+	input_report_key(info->idev, KEY_POWER, ret);
+	input_sync(info->idev);
+
+	/* Enable 8-second long onkey detection */
+	pm860x_set_bits(info->i2c, PM8607_WAKEUP, 3, LONG_ONKEY_EN);
+	return IRQ_HANDLED;
+}
+
+static int __devinit pm860x_onkey_probe(struct platform_device *pdev)
+{
+	struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
+	struct pm860x_onkey_info *info;
+	int irq, ret;
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		dev_err(&pdev->dev, "No IRQ resource!\n");
+		return -EINVAL;
+	}
+
+	info = kzalloc(sizeof(struct pm860x_onkey_info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+	info->chip = chip;
+	info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
+	info->dev = &pdev->dev;
+	info->irq = irq + chip->irq_base;
+
+	info->idev = input_allocate_device();
+	if (!info->idev) {
+		dev_err(chip->dev, "Failed to allocate input dev\n");
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	info->idev->name = "88pm860x_on";
+	info->idev->phys = "88pm860x_on/input0";
+	info->idev->id.bustype = BUS_I2C;
+	info->idev->dev.parent = &pdev->dev;
+	info->irq = irq;
+	info->idev->evbit[0] = BIT_MASK(EV_KEY);
+	info->idev->keybit[BIT_WORD(KEY_POWER)] = BIT_MASK(KEY_POWER);
+
+	ret = input_register_device(info->idev);
+	if (ret) {
+		dev_err(chip->dev, "Can't register input device: %d\n", ret);
+		goto out_reg;
+	}
+
+	ret = request_threaded_irq(info->irq, NULL, pm860x_onkey_handler,
+				   IRQF_ONESHOT, "onkey", info);
+	if (ret < 0) {
+		dev_err(chip->dev, "Failed to request IRQ: #%d: %d\n",
+			info->irq, ret);
+		goto out_irq;
+	}
+
+	platform_set_drvdata(pdev, info);
+	return 0;
+
+out_irq:
+	input_unregister_device(info->idev);
+	kfree(info);
+	return ret;
+
+out_reg:
+	input_free_device(info->idev);
+out:
+	kfree(info);
+	return ret;
+}
+
+static int __devexit pm860x_onkey_remove(struct platform_device *pdev)
+{
+	struct pm860x_onkey_info *info = platform_get_drvdata(pdev);
+
+	free_irq(info->irq, info);
+	input_unregister_device(info->idev);
+	kfree(info);
+	return 0;
+}
+
+static struct platform_driver pm860x_onkey_driver = {
+	.driver		= {
+		.name	= "88pm860x-onkey",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= pm860x_onkey_probe,
+	.remove		= __devexit_p(pm860x_onkey_remove),
+};
+
+static int __init pm860x_onkey_init(void)
+{
+	return platform_driver_register(&pm860x_onkey_driver);
+}
+module_init(pm860x_onkey_init);
+
+static void __exit pm860x_onkey_exit(void)
+{
+	platform_driver_unregister(&pm860x_onkey_driver);
+}
+module_exit(pm860x_onkey_exit);
+
+MODULE_DESCRIPTION("Marvell 88PM860x ONKEY driver");
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 16ec5233441..7097bfe581d 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -12,6 +12,16 @@ menuconfig INPUT_MISC
 
 if INPUT_MISC
 
+config INPUT_88PM860X_ONKEY
+	tristate "88PM860x ONKEY support"
+	depends on MFD_88PM860X
+	help
+	  Support the ONKEY of Marvell 88PM860x PMICs as an input device
+	  reporting power button status.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called 88pm860x_onkey.
+
 config INPUT_PCSPKR
 	tristate "PC Speaker support"
 	depends on PCSPKR_PLATFORM
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index a8b84854fb7..b611615e24a 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -4,6 +4,7 @@
 
 # Each configuration option enables a list of files.
 
+obj-$(CONFIG_INPUT_88PM860X_ONKEY)	+= 88pm860x_onkey.o
 obj-$(CONFIG_INPUT_APANEL)		+= apanel.o
 obj-$(CONFIG_INPUT_ATI_REMOTE)		+= ati_remote.o
 obj-$(CONFIG_INPUT_ATI_REMOTE2)		+= ati_remote2.o
diff --git a/drivers/input/misc/apanel.c b/drivers/input/misc/apanel.c
index 71b82434264..a8d2b8db4e3 100644
--- a/drivers/input/misc/apanel.c
+++ b/drivers/input/misc/apanel.c
@@ -149,7 +149,7 @@ static void apanel_shutdown(struct i2c_client *client)
 	apanel_remove(client);
 }
 
-static struct i2c_device_id apanel_id[] = {
+static const struct i2c_device_id apanel_id[] = {
 	{ "fujitsu_apanel", 0 },
 	{ }
 };
diff --git a/drivers/input/misc/atlas_btns.c b/drivers/input/misc/atlas_btns.c
index 1b871917340..dfaa9a045ed 100644
--- a/drivers/input/misc/atlas_btns.c
+++ b/drivers/input/misc/atlas_btns.c
@@ -47,7 +47,7 @@ static acpi_status acpi_atlas_button_setup(acpi_handle region_handle,
 
 static acpi_status acpi_atlas_button_handler(u32 function,
 		      acpi_physical_address address,
-		      u32 bit_width, acpi_integer *value,
+		      u32 bit_width, u64 *value,
 		      void *handler_context, void *region_context)
 {
 	acpi_status status;
diff --git a/drivers/input/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c
index 3b9f588fc74..4ae07935985 100644
--- a/drivers/input/misc/rotary_encoder.c
+++ b/drivers/input/misc/rotary_encoder.c
@@ -152,6 +152,13 @@ static int __devinit rotary_encoder_probe(struct platform_device *pdev)
 		goto exit_unregister_input;
 	}
 
+	err = gpio_direction_input(pdata->gpio_a);
+	if (err) {
+		dev_err(&pdev->dev, "unable to set GPIO %d for input\n",
+			pdata->gpio_a);
+		goto exit_unregister_input;
+	}
+
 	err = gpio_request(pdata->gpio_b, DRV_NAME);
 	if (err) {
 		dev_err(&pdev->dev, "unable to request GPIO %d\n",
@@ -159,6 +166,13 @@ static int __devinit rotary_encoder_probe(struct platform_device *pdev)
 		goto exit_free_gpio_a;
 	}
 
+	err = gpio_direction_input(pdata->gpio_b);
+	if (err) {
+		dev_err(&pdev->dev, "unable to set GPIO %d for input\n",
+			pdata->gpio_b);
+		goto exit_free_gpio_a;
+	}
+
 	/* request the IRQs */
 	err = request_irq(encoder->irq_a, &rotary_encoder_irq,
 			  IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index d3f57245420..1477466076a 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -34,7 +34,6 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/smp_lock.h>
 #include <linux/fs.h>
 #include <linux/miscdevice.h>
 #include <linux/uinput.h>
@@ -284,7 +283,6 @@ static int uinput_open(struct inode *inode, struct file *file)
 	if (!newdev)
 		return -ENOMEM;
 
-	lock_kernel();
 	mutex_init(&newdev->mutex);
 	spin_lock_init(&newdev->requests_lock);
 	init_waitqueue_head(&newdev->requests_waitq);
@@ -292,7 +290,7 @@ static int uinput_open(struct inode *inode, struct file *file)
 	newdev->state = UIST_NEW_DEVICE;
 
 	file->private_data = newdev;
-	unlock_kernel();
+	nonseekable_open(inode, file);
 
 	return 0;
 }
diff --git a/drivers/input/misc/winbond-cir.c b/drivers/input/misc/winbond-cir.c
index c8f5a9a3fa1..cbec3dfdd42 100644
--- a/drivers/input/misc/winbond-cir.c
+++ b/drivers/input/misc/winbond-cir.c
@@ -538,6 +538,7 @@ wbcir_reset_irdata(struct wbcir_data *data)
 	data->irdata_count = 0;
 	data->irdata_off = 0;
 	data->irdata_error = 0;
+	data->idle_count = 0;
 }
 
 /* Adds one bit of irdata */
@@ -1006,7 +1007,6 @@ wbcir_irq_handler(int irqno, void *cookie)
 		}
 
 		wbcir_reset_irdata(data);
-		data->idle_count = 0;
 	}
 
 out:
@@ -1018,7 +1018,7 @@ out:
 
 /*****************************************************************************
  *
- * SUSPEND/RESUME FUNCTIONS
+ * SETUP/INIT/SUSPEND/RESUME FUNCTIONS
  *
  *****************************************************************************/
 
@@ -1197,7 +1197,16 @@ finish:
 	}
 
 	/* Disable interrupts */
+	wbcir_select_bank(data, WBCIR_BANK_0);
 	outb(WBCIR_IRQ_NONE, data->sbase + WBCIR_REG_SP3_IER);
+
+	/*
+	 * ACPI will set the HW disable bit for SP3 which means that the
+	 * output signals are left in an undefined state which may cause
+	 * spurious interrupts which we need to ignore until the hardware
+	 * is reinitialized.
+	 */
+	disable_irq(data->irq);
 }
 
 static int
@@ -1207,37 +1216,15 @@ wbcir_suspend(struct pnp_dev *device, pm_message_t state)
 	return 0;
 }
 
-static int
-wbcir_resume(struct pnp_dev *device)
-{
-	struct wbcir_data *data = pnp_get_drvdata(device);
-
-	/* Clear BUFF_EN, Clear END_EN, Clear MATCH_EN */
-	wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_EV_EN, 0x00, 0x07);
-
-	/* Clear CEIR_EN */
-	wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_CTL, 0x00, 0x01);
-
-	/* Enable interrupts */
-	wbcir_reset_irdata(data);
-	outb(WBCIR_IRQ_RX | WBCIR_IRQ_ERR, data->sbase + WBCIR_REG_SP3_IER);
-
-	return 0;
-}
-
-
-
-/*****************************************************************************
- *
- * SETUP/INIT FUNCTIONS
- *
- *****************************************************************************/
-
 static void
-wbcir_cfg_ceir(struct wbcir_data *data)
+wbcir_init_hw(struct wbcir_data *data)
 {
 	u8 tmp;
 
+	/* Disable interrupts */
+	wbcir_select_bank(data, WBCIR_BANK_0);
+	outb(WBCIR_IRQ_NONE, data->sbase + WBCIR_REG_SP3_IER);
+
 	/* Set PROT_SEL, RX_INV, Clear CEIR_EN (needed for the led) */
 	tmp = protocol << 4;
 	if (invert)
@@ -1264,6 +1251,93 @@ wbcir_cfg_ceir(struct wbcir_data *data)
 	 * set SP3_IRRX_SW to binary 01, helpfully not documented
 	 */
 	outb(0x10, data->ebase + WBCIR_REG_ECEIR_CTS);
+
+	/* Enable extended mode */
+	wbcir_select_bank(data, WBCIR_BANK_2);
+	outb(WBCIR_EXT_ENABLE, data->sbase + WBCIR_REG_SP3_EXCR1);
+
+	/*
+	 * Configure baud generator, IR data will be sampled at
+	 * a bitrate of: (24Mhz * prescaler) / (divisor * 16).
+	 *
+	 * The ECIR registers include a flag to change the
+	 * 24Mhz clock freq to 48Mhz.
+	 *
+	 * It's not documented in the specs, but fifo levels
+	 * other than 16 seems to be unsupported.
+	 */
+
+	/* prescaler 1.0, tx/rx fifo lvl 16 */
+	outb(0x30, data->sbase + WBCIR_REG_SP3_EXCR2);
+
+	/* Set baud divisor to generate one byte per bit/cell */
+	switch (protocol) {
+	case IR_PROTOCOL_RC5:
+		outb(0xA7, data->sbase + WBCIR_REG_SP3_BGDL);
+		break;
+	case IR_PROTOCOL_RC6:
+		outb(0x53, data->sbase + WBCIR_REG_SP3_BGDL);
+		break;
+	case IR_PROTOCOL_NEC:
+		outb(0x69, data->sbase + WBCIR_REG_SP3_BGDL);
+		break;
+	}
+	outb(0x00, data->sbase + WBCIR_REG_SP3_BGDH);
+
+	/* Set CEIR mode */
+	wbcir_select_bank(data, WBCIR_BANK_0);
+	outb(0xC0, data->sbase + WBCIR_REG_SP3_MCR);
+	inb(data->sbase + WBCIR_REG_SP3_LSR); /* Clear LSR */
+	inb(data->sbase + WBCIR_REG_SP3_MSR); /* Clear MSR */
+
+	/* Disable RX demod, run-length encoding/decoding, set freq span */
+	wbcir_select_bank(data, WBCIR_BANK_7);
+	outb(0x10, data->sbase + WBCIR_REG_SP3_RCCFG);
+
+	/* Disable timer */
+	wbcir_select_bank(data, WBCIR_BANK_4);
+	outb(0x00, data->sbase + WBCIR_REG_SP3_IRCR1);
+
+	/* Enable MSR interrupt, Clear AUX_IRX */
+	wbcir_select_bank(data, WBCIR_BANK_5);
+	outb(0x00, data->sbase + WBCIR_REG_SP3_IRCR2);
+
+	/* Disable CRC */
+	wbcir_select_bank(data, WBCIR_BANK_6);
+	outb(0x20, data->sbase + WBCIR_REG_SP3_IRCR3);
+
+	/* Set RX/TX (de)modulation freq, not really used */
+	wbcir_select_bank(data, WBCIR_BANK_7);
+	outb(0xF2, data->sbase + WBCIR_REG_SP3_IRRXDC);
+	outb(0x69, data->sbase + WBCIR_REG_SP3_IRTXMC);
+
+	/* Set invert and pin direction */
+	if (invert)
+		outb(0x10, data->sbase + WBCIR_REG_SP3_IRCFG4);
+	else
+		outb(0x00, data->sbase + WBCIR_REG_SP3_IRCFG4);
+
+	/* Set FIFO thresholds (RX = 8, TX = 3), reset RX/TX */
+	wbcir_select_bank(data, WBCIR_BANK_0);
+	outb(0x97, data->sbase + WBCIR_REG_SP3_FCR);
+
+	/* Clear AUX status bits */
+	outb(0xE0, data->sbase + WBCIR_REG_SP3_ASCR);
+
+	/* Enable interrupts */
+	wbcir_reset_irdata(data);
+	outb(WBCIR_IRQ_RX | WBCIR_IRQ_ERR, data->sbase + WBCIR_REG_SP3_IER);
+}
+
+static int
+wbcir_resume(struct pnp_dev *device)
+{
+	struct wbcir_data *data = pnp_get_drvdata(device);
+
+	wbcir_init_hw(data);
+	enable_irq(data->irq);
+
+	return 0;
 }
 
 static int __devinit
@@ -1393,86 +1467,7 @@ wbcir_probe(struct pnp_dev *device, const struct pnp_device_id *dev_id)
 
 	device_init_wakeup(&device->dev, 1);
 
-	wbcir_cfg_ceir(data);
-
-	/* Disable interrupts */
-	wbcir_select_bank(data, WBCIR_BANK_0);
-	outb(WBCIR_IRQ_NONE, data->sbase + WBCIR_REG_SP3_IER);
-
-	/* Enable extended mode */
-	wbcir_select_bank(data, WBCIR_BANK_2);
-	outb(WBCIR_EXT_ENABLE, data->sbase + WBCIR_REG_SP3_EXCR1);
-
-	/*
-	 * Configure baud generator, IR data will be sampled at
-	 * a bitrate of: (24Mhz * prescaler) / (divisor * 16).
-	 *
-	 * The ECIR registers include a flag to change the
-	 * 24Mhz clock freq to 48Mhz.
-	 *
-	 * It's not documented in the specs, but fifo levels
-	 * other than 16 seems to be unsupported.
-	 */
-
-	/* prescaler 1.0, tx/rx fifo lvl 16 */
-	outb(0x30, data->sbase + WBCIR_REG_SP3_EXCR2);
-
-	/* Set baud divisor to generate one byte per bit/cell */
-	switch (protocol) {
-	case IR_PROTOCOL_RC5:
-		outb(0xA7, data->sbase + WBCIR_REG_SP3_BGDL);
-		break;
-	case IR_PROTOCOL_RC6:
-		outb(0x53, data->sbase + WBCIR_REG_SP3_BGDL);
-		break;
-	case IR_PROTOCOL_NEC:
-		outb(0x69, data->sbase + WBCIR_REG_SP3_BGDL);
-		break;
-	}
-	outb(0x00, data->sbase + WBCIR_REG_SP3_BGDH);
-
-	/* Set CEIR mode */
-	wbcir_select_bank(data, WBCIR_BANK_0);
-	outb(0xC0, data->sbase + WBCIR_REG_SP3_MCR);
-	inb(data->sbase + WBCIR_REG_SP3_LSR); /* Clear LSR */
-	inb(data->sbase + WBCIR_REG_SP3_MSR); /* Clear MSR */
-
-	/* Disable RX demod, run-length encoding/decoding, set freq span */
-	wbcir_select_bank(data, WBCIR_BANK_7);
-	outb(0x10, data->sbase + WBCIR_REG_SP3_RCCFG);
-
-	/* Disable timer */
-	wbcir_select_bank(data, WBCIR_BANK_4);
-	outb(0x00, data->sbase + WBCIR_REG_SP3_IRCR1);
-
-	/* Enable MSR interrupt, Clear AUX_IRX */
-	wbcir_select_bank(data, WBCIR_BANK_5);
-	outb(0x00, data->sbase + WBCIR_REG_SP3_IRCR2);
-
-	/* Disable CRC */
-	wbcir_select_bank(data, WBCIR_BANK_6);
-	outb(0x20, data->sbase + WBCIR_REG_SP3_IRCR3);
-
-	/* Set RX/TX (de)modulation freq, not really used */
-	wbcir_select_bank(data, WBCIR_BANK_7);
-	outb(0xF2, data->sbase + WBCIR_REG_SP3_IRRXDC);
-	outb(0x69, data->sbase + WBCIR_REG_SP3_IRTXMC);
-
-	/* Set invert and pin direction */
-	if (invert)
-		outb(0x10, data->sbase + WBCIR_REG_SP3_IRCFG4);
-	else
-		outb(0x00, data->sbase + WBCIR_REG_SP3_IRCFG4);
-
-	/* Set FIFO thresholds (RX = 8, TX = 3), reset RX/TX */
-	wbcir_select_bank(data, WBCIR_BANK_0);
-	outb(0x97, data->sbase + WBCIR_REG_SP3_FCR);
-
-	/* Clear AUX status bits */
-	outb(0xE0, data->sbase + WBCIR_REG_SP3_ASCR);
-
-	/* Enable interrupts */
-	outb(WBCIR_IRQ_RX | WBCIR_IRQ_ERR, data->sbase + WBCIR_REG_SP3_IER);
+	wbcir_init_hw(data);
 
 	return 0;