Merge remote-tracking branch 'input/next'

36 files changed, 581 insertions, 275 deletions

diff --git a/Documentation/devicetree/bindings/i2c/trivial-devices.txt b/Documentation/devicetree/bindings/i2c/trivial-devices.txt
index ad0c4ac916dd75..00f8652e193a94 100644
--- a/Documentation/devicetree/bindings/i2c/trivial-devices.txt
+++ b/Documentation/devicetree/bindings/i2c/trivial-devices.txt
@@ -19,8 +19,7 @@ adi,adt7475		+/-1C TDM Extended Temp Range I.C
 adi,adt7476		+/-1C TDM Extended Temp Range I.C
 adi,adt7490		+/-1C TDM Extended Temp Range I.C
 adi,adxl345		Three-Axis Digital Accelerometer
-adi,adxl346		Three-Axis Digital Accelerometer
-adi,adxl34x		Three-Axis Digital Accelerometer
+adi,adxl346		Three-Axis Digital Accelerometer (backward-compatibility value "adi,adxl345" must be listed too)
 at,24c08		i2c serial eeprom  (24cxx)
 atmel,24c00		i2c serial eeprom  (24cxx)
 atmel,24c01		i2c serial eeprom  (24cxx)
diff --git a/Documentation/devicetree/bindings/input/ti,drv2665.txt b/Documentation/devicetree/bindings/input/ti,drv2665.txt
new file mode 100644
index 00000000000000..1ba97ac0430587
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/ti,drv2665.txt
@@ -0,0 +1,17 @@
+* Texas Instruments - drv2665 Haptics driver
+
+Required properties:
+	- compatible - "ti,drv2665" - DRV2665
+	- reg -  I2C slave address
+	- vbat-supply - Required supply regulator
+
+Example:
+
+haptics: haptics@59 {
+	compatible = "ti,drv2665";
+	reg = <0x59>;
+	vbat-supply = <&vbat>;
+};
+
+For more product information please see the link below:
+http://www.ti.com/product/drv2665
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index a18f41b89b6a90..9d35499faca46b 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -422,10 +422,7 @@ static int evdev_release(struct inode *inode, struct file *file)
 
 	evdev_detach_client(evdev, client);
 
-	if (is_vmalloc_addr(client))
-		vfree(client);
-	else
-		kfree(client);
+	kvfree(client);
 
 	evdev_close_device(evdev);
 
diff --git a/drivers/input/ff-core.c b/drivers/input/ff-core.c
index b81c88c4345210..8f4a30fccbb674 100644
--- a/drivers/input/ff-core.c
+++ b/drivers/input/ff-core.c
@@ -70,7 +70,7 @@ static int compat_effect(struct ff_device *ff, struct ff_effect *effect)
 			return -EINVAL;
 
 		/*
-		 * calculate manginude of sine wave as average of rumble's
+		 * calculate magnitude of sine wave as average of rumble's
 		 * 2/3 of strong magnitude and 1/3 of weak magnitude
 		 */
 		magnitude = effect->u.rumble.strong_magnitude / 3 +
@@ -213,7 +213,7 @@ static int erase_effect(struct input_dev *dev, int effect_id,
 /**
  * input_ff_erase - erase a force-feedback effect from device
  * @dev: input device to erase effect from
- * @effect_id: id of the ffect to be erased
+ * @effect_id: id of the effect to be erased
  * @file: purported owner of the request
  *
  * This function erases a force-feedback effect from specified device.
diff --git a/drivers/input/input.c b/drivers/input/input.c
index cc357f1516a78c..f315784236361b 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -2262,7 +2262,7 @@ EXPORT_SYMBOL(input_unregister_handler);
  *
  * Iterate over @bus's list of devices, and call @fn for each, passing
  * it @data and stop when @fn returns a non-zero value. The function is
- * using RCU to traverse the list and therefore may be usind in atonic
+ * using RCU to traverse the list and therefore may be using in atomic
  * contexts. The @fn callback is invoked from RCU critical section and
  * thus must not sleep.
  */
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 106fbac7f8c5b0..4d75062a620623 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -367,6 +367,7 @@ config KEYBOARD_MAPLE
 
 config KEYBOARD_MAX7359
 	tristate "Maxim MAX7359 Key Switch Controller"
+	select INPUT_MATRIXKMAP
 	depends on I2C
 	help
 	  If you say yes here you get support for the Maxim MAX7359 Key
diff --git a/drivers/input/keyboard/adp5589-keys.c b/drivers/input/keyboard/adp5589-keys.c
index a45267729dfcfd..6ed83cf8b74e9b 100644
--- a/drivers/input/keyboard/adp5589-keys.c
+++ b/drivers/input/keyboard/adp5589-keys.c
@@ -180,7 +180,7 @@
 #define LOGIC2_STAT	(1 << 7)	/* ADP5589 only */
 #define LOGIC1_STAT	(1 << 6)
 #define LOCK_STAT	(1 << 5)	/* ADP5589 only */
-#define KEC		0xF
+#define KEC		0x1F
 
 /* PIN_CONFIG_D Register */
 #define C4_EXTEND_CFG	(1 << 6)	/* RESET2 */
@@ -726,7 +726,7 @@ static int adp5589_setup(struct adp5589_kpad *kpad)
 
 		pull_mask |= val << (2 * (i & 0x3));
 
-		if (i == 3 || i == kpad->var->max_row_num) {
+		if (i % 4 == 3 || i == kpad->var->max_row_num) {
 			ret |= adp5589_write(client, reg(ADP5585_RPULL_CONFIG_A)
 					     + (i >> 2), pull_mask);
 			pull_mask = 0;
@@ -746,7 +746,7 @@ static int adp5589_setup(struct adp5589_kpad *kpad)
 
 		pull_mask |= val << (2 * (i & 0x3));
 
-		if (i == 3 || i == kpad->var->max_col_num) {
+		if (i % 4 == 3 || i == kpad->var->max_col_num) {
 			ret |= adp5589_write(client,
 					     reg(ADP5585_RPULL_CONFIG_C) +
 					     (i >> 2), pull_mask);
diff --git a/drivers/input/keyboard/max7359_keypad.c b/drivers/input/keyboard/max7359_keypad.c
index faa6da53eba8fe..5091133b7b8eac 100644
--- a/drivers/input/keyboard/max7359_keypad.c
+++ b/drivers/input/keyboard/max7359_keypad.c
@@ -84,26 +84,6 @@ static int max7359_read_reg(struct i2c_client *client, int reg)
 	return ret;
 }
 
-static void max7359_build_keycode(struct max7359_keypad *keypad,
-				const struct matrix_keymap_data *keymap_data)
-{
-	struct input_dev *input_dev = keypad->input_dev;
-	int i;
-
-	for (i = 0; i < keymap_data->keymap_size; i++) {
-		unsigned int key = keymap_data->keymap[i];
-		unsigned int row = KEY_ROW(key);
-		unsigned int col = KEY_COL(key);
-		unsigned int scancode = MATRIX_SCAN_CODE(row, col,
-						MAX7359_ROW_SHIFT);
-		unsigned short keycode = KEY_VAL(key);
-
-		keypad->keycodes[scancode] = keycode;
-		__set_bit(keycode, input_dev->keybit);
-	}
-	__clear_bit(KEY_RESERVED, input_dev->keybit);
-}
-
 /* runs in an IRQ thread -- can (and will!) sleep */
 static irqreturn_t max7359_interrupt(int irq, void *dev_id)
 {
@@ -166,7 +146,6 @@ static void max7359_close(struct input_dev *dev)
 static void max7359_initialize(struct i2c_client *client)
 {
 	max7359_write_reg(client, MAX7359_REG_CONFIG,
-		MAX7359_CFG_INTERRUPT | /* Irq clears after host read */
 		MAX7359_CFG_KEY_RELEASE | /* Key release enable */
 		MAX7359_CFG_WAKEUP); /* Key press wakeup enable */
 
@@ -233,7 +212,15 @@ static int max7359_probe(struct i2c_client *client,
 	input_set_capability(input_dev, EV_MSC, MSC_SCAN);
 	input_set_drvdata(input_dev, keypad);
 
-	max7359_build_keycode(keypad, keymap_data);
+	error = matrix_keypad_build_keymap(keymap_data, NULL,
+					   MAX7359_MAX_KEY_ROWS,
+					   MAX7359_MAX_KEY_COLS,
+					   keypad->keycodes,
+					   input_dev);
+	if (error) {
+		dev_err(&client->dev, "failed to build keymap\n");
+		return error;
+	}
 
 	error = devm_request_threaded_irq(&client->dev, client->irq, NULL,
 					  max7359_interrupt,
diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c
index 6b9fdf6cf8e83f..43e48dac7687f2 100644
--- a/drivers/input/keyboard/samsung-keypad.c
+++ b/drivers/input/keyboard/samsung-keypad.c
@@ -585,7 +585,7 @@ static const struct of_device_id samsung_keypad_dt_match[] = {
 MODULE_DEVICE_TABLE(of, samsung_keypad_dt_match);
 #endif
 
-static struct platform_device_id samsung_keypad_driver_ids[] = {
+static const struct platform_device_id samsung_keypad_driver_ids[] = {
 	{
 		.name		= "samsung-keypad",
 		.driver_data	= KEYPAD_TYPE_SAMSUNG,
diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c
index f42a543db043aa..623d451767e383 100644
--- a/drivers/input/keyboard/spear-keyboard.c
+++ b/drivers/input/keyboard/spear-keyboard.c
@@ -3,7 +3,7 @@
  * Based on omap-keypad driver
  *
  * Copyright (C) 2010 ST Microelectronics
- * Rajeev Kumar<rajeev-dlh.kumar@st.com>
+ * Rajeev Kumar <rajeevkumar.linux@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 4436ab1b9735d6..e5c4de2790011a 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -775,6 +775,17 @@ config INPUT_DRV260X_HAPTICS
 	  To compile this driver as a module, choose M here: the
 	  module will be called drv260x-haptics.
 
+config INPUT_DRV2665_HAPTICS
+	tristate "TI DRV2665 haptics support"
+	depends on INPUT && I2C
+	select INPUT_FF_MEMLESS
+	select REGMAP_I2C
+	help
+	  Say Y to enable support for the TI DRV2665 haptics driver.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called drv2665-haptics.
+
 config INPUT_DRV2667_HAPTICS
 	tristate "TI DRV2667 haptics support"
 	depends on INPUT && I2C
@@ -784,6 +795,6 @@ config INPUT_DRV2667_HAPTICS
 	  Say Y to enable support for the TI DRV2667 haptics driver.
 
 	  To compile this driver as a module, choose M here: the
-	  module will be called drv260x-haptics.
+	  module will be called drv2667-haptics.
 
 endif
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 78ba4c1b8532c5..d3179472474d1c 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -28,6 +28,7 @@ obj-$(CONFIG_INPUT_DA9055_ONKEY)	+= da9055_onkey.o
 obj-$(CONFIG_INPUT_DM355EVM)		+= dm355evm_keys.o
 obj-$(CONFIG_INPUT_E3X0_BUTTON)		+= e3x0-button.o
 obj-$(CONFIG_INPUT_DRV260X_HAPTICS)	+= drv260x.o
+obj-$(CONFIG_INPUT_DRV2665_HAPTICS)	+= drv2665.o
 obj-$(CONFIG_INPUT_DRV2667_HAPTICS)	+= drv2667.o
 obj-$(CONFIG_INPUT_GP2A)		+= gp2ap002a00f.o
 obj-$(CONFIG_INPUT_GPIO_BEEPER)		+= gpio-beeper.o
diff --git a/drivers/input/misc/adxl34x-i2c.c b/drivers/input/misc/adxl34x-i2c.c
index 470bfd6f08304c..bdb5d03b296ec6 100644
--- a/drivers/input/misc/adxl34x-i2c.c
+++ b/drivers/input/misc/adxl34x-i2c.c
@@ -10,6 +10,7 @@
 #include <linux/input.h>	/* BUS_I2C */
 #include <linux/i2c.h>
 #include <linux/module.h>
+#include <linux/of.h>
 #include <linux/types.h>
 #include <linux/pm.h>
 #include "adxl34x.h"
@@ -135,11 +136,31 @@ static const struct i2c_device_id adxl34x_id[] = {
 
 MODULE_DEVICE_TABLE(i2c, adxl34x_id);
 
+#ifdef CONFIG_OF
+static const struct of_device_id adxl34x_of_id[] = {
+	/*
+	 * The ADXL346 is backward-compatible with the ADXL345. Differences are
+	 * handled by runtime detection of the device model, there's thus no
+	 * need for listing the "adi,adxl346" compatible value explicitly.
+	 */
+	{ .compatible = "adi,adxl345", },
+	/*
+	 * Deprecated, DT nodes should use one or more of the device-specific
+	 * compatible values "adi,adxl345" and "adi,adxl346".
+	 */
+	{ .compatible = "adi,adxl34x", },
+	{ }
+};
+
+MODULE_DEVICE_TABLE(of, adxl34x_of_id);
+#endif
+
 static struct i2c_driver adxl34x_driver = {
 	.driver = {
 		.name = "adxl34x",
 		.owner = THIS_MODULE,
 		.pm = &adxl34x_i2c_pm,
+		.of_match_table = of_match_ptr(adxl34x_of_id),
 	},
 	.probe    = adxl34x_i2c_probe,
 	.remove   = adxl34x_i2c_remove,
diff --git a/drivers/input/misc/drv2665.c b/drivers/input/misc/drv2665.c
new file mode 100644
index 00000000000000..0afaa33de07d2d
--- /dev/null
+++ b/drivers/input/misc/drv2665.c
@@ -0,0 +1,322 @@
+/*
+ * DRV2665 haptics driver family
+ *
+ * Author: Dan Murphy <dmurphy@ti.com>
+ *
+ * Copyright: (C) 2015 Texas Instruments, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License 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.
+ */
+
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/regulator/consumer.h>
+
+/* Contol registers */
+#define DRV2665_STATUS	0x00
+#define DRV2665_CTRL_1	0x01
+#define DRV2665_CTRL_2	0x02
+#define DRV2665_FIFO	0x0b
+
+/* Status Register */
+#define DRV2665_FIFO_FULL		BIT(0)
+#define DRV2665_FIFO_EMPTY		BIT(1)
+
+/* Control 1 Register */
+#define DRV2665_25_VPP_GAIN		0x00
+#define DRV2665_50_VPP_GAIN		0x01
+#define DRV2665_75_VPP_GAIN		0x02
+#define DRV2665_100_VPP_GAIN		0x03
+#define DRV2665_DIGITAL_IN		0xfc
+#define DRV2665_ANALOG_IN		BIT(2)
+
+/* Control 2 Register */
+#define DRV2665_BOOST_EN		BIT(1)
+#define DRV2665_STANDBY			BIT(6)
+#define DRV2665_DEV_RST			BIT(7)
+#define DRV2665_5_MS_IDLE_TOUT		0x00
+#define DRV2665_10_MS_IDLE_TOUT		0x04
+#define DRV2665_15_MS_IDLE_TOUT		0x08
+#define DRV2665_20_MS_IDLE_TOUT		0x0c
+
+/**
+ * struct drv2665_data -
+ * @input_dev - Pointer to the input device
+ * @client - Pointer to the I2C client
+ * @regmap - Register map of the device
+ * @work - Work item used to off load the enable/disable of the vibration
+ * @regulator - Pointer to the regulator for the IC
+ */
+struct drv2665_data {
+	struct input_dev *input_dev;
+	struct i2c_client *client;
+	struct regmap *regmap;
+	struct work_struct work;
+	struct regulator *regulator;
+};
+
+/* 8kHz Sine wave to stream to the FIFO */
+static const u8 drv2665_sine_wave_form[] = {
+	0x00, 0x10, 0x20, 0x2e, 0x3c, 0x48, 0x53, 0x5b, 0x61, 0x65, 0x66,
+	0x65, 0x61, 0x5b, 0x53, 0x48, 0x3c, 0x2e, 0x20, 0x10,
+	0x00, 0xf0, 0xe0, 0xd2, 0xc4, 0xb8, 0xad, 0xa5, 0x9f, 0x9b, 0x9a,
+	0x9b, 0x9f, 0xa5, 0xad, 0xb8, 0xc4, 0xd2, 0xe0, 0xf0, 0x00,
+};
+
+static struct reg_default drv2665_reg_defs[] = {
+	{ DRV2665_STATUS, 0x02 },
+	{ DRV2665_CTRL_1, 0x28 },
+	{ DRV2665_CTRL_2, 0x40 },
+	{ DRV2665_FIFO, 0x00 },
+};
+
+static void drv2665_worker(struct work_struct *work)
+{
+	struct drv2665_data *haptics =
+				container_of(work, struct drv2665_data, work);
+	unsigned int read_buf;
+	int error;
+
+	error = regmap_read(haptics->regmap, DRV2665_STATUS, &read_buf);
+	if (error) {
+		dev_err(&haptics->client->dev,
+			"Failed to read status: %d\n", error);
+		return;
+	}
+
+	if (read_buf & DRV2665_FIFO_EMPTY) {
+		error = regmap_bulk_write(haptics->regmap,
+					  DRV2665_FIFO,
+					  drv2665_sine_wave_form,
+					  ARRAY_SIZE(drv2665_sine_wave_form));
+		if (error) {
+			dev_err(&haptics->client->dev,
+				"Failed to write FIFO: %d\n", error);
+			return;
+		}
+	}
+}
+
+static int drv2665_haptics_play(struct input_dev *input, void *data,
+				struct ff_effect *effect)
+{
+	struct drv2665_data *haptics = input_get_drvdata(input);
+
+	schedule_work(&haptics->work);
+
+	return 0;
+}
+
+static void drv2665_close(struct input_dev *input)
+{
+	struct drv2665_data *haptics = input_get_drvdata(input);
+	int error;
+
+	cancel_work_sync(&haptics->work);
+
+	error = regmap_update_bits(haptics->regmap,
+				   DRV2665_CTRL_2, DRV2665_STANDBY, 1);
+	if (error)
+		dev_err(&haptics->client->dev,
+			"Failed to enter standby mode: %d\n", error);
+}
+
+static const struct reg_default drv2665_init_regs[] = {
+	{ DRV2665_CTRL_2, 0 | DRV2665_10_MS_IDLE_TOUT },
+	{ DRV2665_CTRL_1, DRV2665_25_VPP_GAIN },
+};
+
+static int drv2665_init(struct drv2665_data *haptics)
+{
+	int error;
+
+	error = regmap_register_patch(haptics->regmap,
+				      drv2665_init_regs,
+				      ARRAY_SIZE(drv2665_init_regs));
+	if (error) {
+		dev_err(&haptics->client->dev,
+			"Failed to write init registers: %d\n",
+			error);
+		return error;
+	}
+
+	return 0;
+}
+
+static const struct regmap_config drv2665_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+
+	.max_register = DRV2665_FIFO,
+	.reg_defaults = drv2665_reg_defs,
+	.num_reg_defaults = ARRAY_SIZE(drv2665_reg_defs),
+	.cache_type = REGCACHE_NONE,
+};
+
+static int drv2665_probe(struct i2c_client *client,
+			 const struct i2c_device_id *id)
+{
+	struct drv2665_data *haptics;
+	int error;
+
+	haptics = devm_kzalloc(&client->dev, sizeof(*haptics), GFP_KERNEL);
+	if (!haptics)
+		return -ENOMEM;
+
+	haptics->regulator = devm_regulator_get(&client->dev, "vbat");
+	if (IS_ERR(haptics->regulator)) {
+		error = PTR_ERR(haptics->regulator);
+		dev_err(&client->dev,
+			"unable to get regulator, error: %d\n", error);
+		return error;
+	}
+
+	haptics->input_dev = devm_input_allocate_device(&client->dev);
+	if (!haptics->input_dev) {
+		dev_err(&client->dev, "Failed to allocate input device\n");
+		return -ENOMEM;
+	}
+
+	haptics->input_dev->name = "drv2665:haptics";
+	haptics->input_dev->dev.parent = client->dev.parent;
+	haptics->input_dev->close = drv2665_close;
+	input_set_drvdata(haptics->input_dev, haptics);
+	input_set_capability(haptics->input_dev, EV_FF, FF_RUMBLE);
+
+	error = input_ff_create_memless(haptics->input_dev, NULL,
+					drv2665_haptics_play);
+	if (error) {
+		dev_err(&client->dev, "input_ff_create() failed: %d\n",
+			error);
+		return error;
+	}
+
+	INIT_WORK(&haptics->work, drv2665_worker);
+
+	haptics->client = client;
+	i2c_set_clientdata(client, haptics);
+
+	haptics->regmap = devm_regmap_init_i2c(client, &drv2665_regmap_config);
+	if (IS_ERR(haptics->regmap)) {
+		error = PTR_ERR(haptics->regmap);
+		dev_err(&client->dev, "Failed to allocate register map: %d\n",
+			error);
+		return error;
+	}
+
+	error = drv2665_init(haptics);
+	if (error) {
+		dev_err(&client->dev, "Device init failed: %d\n", error);
+		return error;
+	}
+
+	error = input_register_device(haptics->input_dev);
+	if (error) {
+		dev_err(&client->dev, "couldn't register input device: %d\n",
+			error);
+		return error;
+	}
+
+	return 0;
+}
+
+static int __maybe_unused drv2665_suspend(struct device *dev)
+{
+	struct drv2665_data *haptics = dev_get_drvdata(dev);
+	int ret = 0;
+
+	mutex_lock(&haptics->input_dev->mutex);
+
+	if (haptics->input_dev->users) {
+		ret = regmap_update_bits(haptics->regmap, DRV2665_CTRL_2,
+				DRV2665_STANDBY, 1);
+		if (ret) {
+			dev_err(dev, "Failed to set standby mode\n");
+			regulator_disable(haptics->regulator);
+			goto out;
+		}
+
+		ret = regulator_disable(haptics->regulator);
+		if (ret) {
+			dev_err(dev, "Failed to disable regulator\n");
+			regmap_update_bits(haptics->regmap,
+					   DRV2665_CTRL_2,
+					   DRV2665_STANDBY, 0);
+		}
+	}
+out:
+	mutex_unlock(&haptics->input_dev->mutex);
+	return ret;
+}
+
+static int __maybe_unused drv2665_resume(struct device *dev)
+{
+	struct drv2665_data *haptics = dev_get_drvdata(dev);
+	int ret = 0;
+
+	mutex_lock(&haptics->input_dev->mutex);
+
+	if (haptics->input_dev->users) {
+		ret = regulator_enable(haptics->regulator);
+		if (ret) {
+			dev_err(dev, "Failed to enable regulator\n");
+			goto out;
+		}
+
+		ret = regmap_update_bits(haptics->regmap, DRV2665_CTRL_2,
+					 DRV2665_STANDBY, 0);
+		if (ret) {
+			dev_err(dev, "Failed to unset standby mode\n");
+			regulator_disable(haptics->regulator);
+			goto out;
+		}
+
+	}
+
+out:
+	mutex_unlock(&haptics->input_dev->mutex);
+	return ret;
+}
+
+static SIMPLE_DEV_PM_OPS(drv2665_pm_ops, drv2665_suspend, drv2665_resume);
+
+static const struct i2c_device_id drv2665_id[] = {
+	{ "drv2665", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, drv2665_id);
+
+#ifdef CONFIG_OF
+static const struct of_device_id drv2665_of_match[] = {
+	{ .compatible = "ti,drv2665", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, drv2665_of_match);
+#endif
+
+static struct i2c_driver drv2665_driver = {
+	.probe		= drv2665_probe,
+	.driver		= {
+		.name	= "drv2665-haptics",
+		.owner	= THIS_MODULE,
+		.of_match_table = of_match_ptr(drv2665_of_match),
+		.pm	= &drv2665_pm_ops,
+	},
+	.id_table = drv2665_id,
+};
+module_i2c_driver(drv2665_driver);
+
+MODULE_DESCRIPTION("TI DRV2665 haptics driver");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com>");
diff --git a/drivers/input/misc/retu-pwrbutton.c b/drivers/input/misc/retu-pwrbutton.c
index 0c8ac60e2639d7..30b459b6b344c4 100644
--- a/drivers/input/misc/retu-pwrbutton.c
+++ b/drivers/input/misc/retu-pwrbutton.c
@@ -63,7 +63,8 @@ static int retu_pwrbutton_probe(struct platform_device *pdev)
 	input_set_drvdata(idev, rdev);
 
 	error = devm_request_threaded_irq(&pdev->dev, irq,
-					  NULL, retu_pwrbutton_irq, 0,
+					  NULL, retu_pwrbutton_irq,
+					  IRQF_ONESHOT,
 					  "retu-pwrbutton", idev);
 	if (error)
 		return error;
diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c
index e8e010a85484ae..c14b82709b0f09 100644
--- a/drivers/input/misc/soc_button_array.c
+++ b/drivers/input/misc/soc_button_array.c
@@ -18,7 +18,6 @@
 #include <linux/gpio/consumer.h>
 #include <linux/gpio_keys.h>
 #include <linux/platform_device.h>
-#include <linux/acpi.h>
 
 /*
  * Definition of buttons on the tablet. The ACPI index of each button
diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c
index e98cc81a84c643..603fc2fadf057d 100644
--- a/drivers/input/misc/twl4030-pwrbutton.c
+++ b/drivers/input/misc/twl4030-pwrbutton.c
@@ -71,7 +71,8 @@ static int twl4030_pwrbutton_probe(struct platform_device *pdev)
 	pwr->dev.parent = &pdev->dev;
 
 	err = devm_request_threaded_irq(&pwr->dev, irq, NULL, powerbutton_irq,
-			IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
+			IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING |
+			IRQF_ONESHOT,
 			"twl4030_pwrbutton", pwr);
 	if (err < 0) {
 		dev_err(&pdev->dev, "Can't get IRQ for pwrbutton: %d\n", err);
diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c
index 0e0d094df2e666..ea63fad48de643 100644
--- a/drivers/input/misc/twl6040-vibra.c
+++ b/drivers/input/misc/twl6040-vibra.c
@@ -308,7 +308,8 @@ static int twl6040_vibra_probe(struct platform_device *pdev)
 	mutex_init(&info->mutex);
 
 	error = devm_request_threaded_irq(&pdev->dev, info->irq, NULL,
-					  twl6040_vib_irq_handler, 0,
+					  twl6040_vib_irq_handler,
+					  IRQF_ONESHOT,
 					  "twl6040_irq_vib", info);
 	if (error) {
 		dev_err(info->dev, "VIB IRQ request failed: %d\n", error);
diff --git a/drivers/input/misc/wm831x-on.c b/drivers/input/misc/wm831x-on.c
index 59d4f7bcb4a327..1b44de265a0ad4 100644
--- a/drivers/input/misc/wm831x-on.c
+++ b/drivers/input/misc/wm831x-on.c
@@ -99,7 +99,8 @@ static int wm831x_on_probe(struct platform_device *pdev)
 	wm831x_on->dev->dev.parent = &pdev->dev;
 
 	ret = request_threaded_irq(irq, NULL, wm831x_on_irq,
-				   IRQF_TRIGGER_RISING, "wm831x_on",
+				   IRQF_TRIGGER_RISING | IRQF_ONESHOT,
+				   "wm831x_on",
 				   wm831x_on);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Unable to request IRQ: %d\n", ret);
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 7752bd59d4b7d5..9bc43432bad806 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -159,8 +159,8 @@ static const struct alps_protocol_info alps_v8_protocol_data = {
 
 static void alps_set_abs_params_st(struct alps_data *priv,
 				   struct input_dev *dev1);
-static void alps_set_abs_params_mt(struct alps_data *priv,
-				   struct input_dev *dev1);
+static void alps_set_abs_params_semi_mt(struct alps_data *priv,
+					struct input_dev *dev1);
 static void alps_set_abs_params_v7(struct alps_data *priv,
 				   struct input_dev *dev1);
 static void alps_set_abs_params_ss4_v2(struct alps_data *priv,
@@ -310,53 +310,6 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse)
 	input_sync(dev);
 }
 
-/*
- * Process bitmap data for V5 protocols. Return value is null.
- *
- * The bitmaps don't have enough data to track fingers, so this function
- * only generates points representing a bounding box of at most two contacts.
- * These two points are returned in fields->mt.
- */
-static void alps_process_bitmap_dolphin(struct alps_data *priv,
-					struct alps_fields *fields)
-{
-	int box_middle_x, box_middle_y;
-	unsigned int x_map, y_map;
-	unsigned char start_bit, end_bit;
-	unsigned char x_msb, x_lsb, y_msb, y_lsb;
-
-	x_map = fields->x_map;
-	y_map = fields->y_map;
-
-	if (!x_map || !y_map)
-		return;
-
-	/* Get Most-significant and Least-significant bit */
-	x_msb = fls(x_map);
-	x_lsb = ffs(x_map);
-	y_msb = fls(y_map);
-	y_lsb = ffs(y_map);
-
-	/* Most-significant bit should never exceed max sensor line number */
-	if (x_msb > priv->x_bits || y_msb > priv->y_bits)
-		return;
-
-	if (fields->fingers > 1) {
-		start_bit = priv->x_bits - x_msb;
-		end_bit = priv->x_bits - x_lsb;
-		box_middle_x = (priv->x_max * (start_bit + end_bit)) /
-				(2 * (priv->x_bits - 1));
-
-		start_bit = y_lsb - 1;
-		end_bit = y_msb - 1;
-		box_middle_y = (priv->y_max * (start_bit + end_bit)) /
-				(2 * (priv->y_bits - 1));
-		fields->mt[0] = fields->st;
-		fields->mt[1].x = 2 * box_middle_x - fields->mt[0].x;
-		fields->mt[1].y = 2 * box_middle_y - fields->mt[0].y;
-	}
-}
-
 static void alps_get_bitmap_points(unsigned int map,
 				   struct alps_bitmap_point *low,
 				   struct alps_bitmap_point *high,
@@ -384,7 +337,7 @@ static void alps_get_bitmap_points(unsigned int map,
 }
 
 /*
- * Process bitmap data from v3 and v4 protocols. Returns the number of
+ * Process bitmap data from semi-mt protocols. Returns the number of
  * fingers detected. A return value of 0 means at least one of the
  * bitmaps was empty.
  *
@@ -396,9 +349,10 @@ static void alps_get_bitmap_points(unsigned int map,
 static int alps_process_bitmap(struct alps_data *priv,
 			       struct alps_fields *fields)
 {
-	int i, fingers_x = 0, fingers_y = 0, fingers;
+	int i, fingers_x = 0, fingers_y = 0, fingers, closest;
 	struct alps_bitmap_point x_low = {0,}, x_high = {0,};
 	struct alps_bitmap_point y_low = {0,}, y_high = {0,};
+	struct input_mt_pos corner[4];
 
 	if (!fields->x_map || !fields->y_map)
 		return 0;
@@ -429,26 +383,76 @@ static int alps_process_bitmap(struct alps_data *priv,
 		y_high.num_bits = max(i, 1);
 	}
 
-	fields->mt[0].x =
+	/* top-left corner */
+	corner[0].x =
 		(priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) /
 		(2 * (priv->x_bits - 1));
-	fields->mt[0].y =
+	corner[0].y =
 		(priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) /
 		(2 * (priv->y_bits - 1));
 
-	fields->mt[1].x =
+	/* top-right corner */
+	corner[1].x =
 		(priv->x_max * (2 * x_high.start_bit + x_high.num_bits - 1)) /
 		(2 * (priv->x_bits - 1));
-	fields->mt[1].y =
+	corner[1].y =
+		(priv->y_max * (2 * y_low.start_bit + y_low.num_bits - 1)) /
+		(2 * (priv->y_bits - 1));
+
+	/* bottom-right corner */
+	corner[2].x =
+		(priv->x_max * (2 * x_high.start_bit + x_high.num_bits - 1)) /
+		(2 * (priv->x_bits - 1));
+	corner[2].y =
+		(priv->y_max * (2 * y_high.start_bit + y_high.num_bits - 1)) /
+		(2 * (priv->y_bits - 1));
+
+	/* bottom-left corner */
+	corner[3].x =
+		(priv->x_max * (2 * x_low.start_bit + x_low.num_bits - 1)) /
+		(2 * (priv->x_bits - 1));
+	corner[3].y =
 		(priv->y_max * (2 * y_high.start_bit + y_high.num_bits - 1)) /
 		(2 * (priv->y_bits - 1));
 
-	/* y-bitmap order is reversed, except on rushmore */
-	if (priv->proto_version != ALPS_PROTO_V3_RUSHMORE) {
-		fields->mt[0].y = priv->y_max - fields->mt[0].y;
-		fields->mt[1].y = priv->y_max - fields->mt[1].y;
+	/* x-bitmap order is reversed on v5 touchpads  */
+	if (priv->proto_version == ALPS_PROTO_V5) {
+		for (i = 0; i < 4; i++)
+			corner[i].x = priv->x_max - corner[i].x;
+	}
+
+	/* y-bitmap order is reversed on v3 and v4 touchpads  */
+	if (priv->proto_version == ALPS_PROTO_V3 ||
+	    priv->proto_version == ALPS_PROTO_V4) {
+		for (i = 0; i < 4; i++)
+			corner[i].y = priv->y_max - corner[i].y;
+	}
+
+	/*
+	 * We only select a corner for the second touch once per 2 finger
+	 * touch sequence to avoid the chosen corner (and thus the coordinates)
+	 * jumping around when the first touch is in the middle.
+	 */
+	if (priv->second_touch == -1) {
+		/* Find corner closest to our st coordinates */
+		closest = 0x7fffffff;
+		for (i = 0; i < 4; i++) {
+			int dx = fields->st.x - corner[i].x;
+			int dy = fields->st.y - corner[i].y;
+			int distance = dx * dx + dy * dy;
+
+			if (distance < closest) {
+				priv->second_touch = i;
+				closest = distance;
+			}
+		}
+		/* And select the opposite corner to use for the 2nd touch */
+		priv->second_touch = (priv->second_touch + 2) % 4;
 	}
 
+	fields->mt[0] = fields->st;
+	fields->mt[1] = corner[priv->second_touch];
+
 	return fingers;
 }
 
@@ -485,9 +489,14 @@ static void alps_report_semi_mt_data(struct psmouse *psmouse, int fingers)
 		f->mt[0].x = f->st.x;
 		f->mt[0].y = f->st.y;
 		fingers = f->pressure > 0 ? 1 : 0;
+		priv->second_touch = -1;
 	}
 
-	alps_report_mt_data(psmouse, (fingers <= 2) ? fingers : 2);
+	if (fingers >= 1)
+		alps_set_slot(dev, 0, f->mt[0].x, f->mt[0].y);
+	if (fingers >= 2)
+		alps_set_slot(dev, 1, f->mt[1].x, f->mt[1].y);
+	input_mt_sync_frame(dev);
 
 	input_mt_report_finger_count(dev, fingers);
 
@@ -584,20 +593,22 @@ static int alps_decode_pinnacle(struct alps_fields *f, unsigned char *p,
 	f->first_mp = !!(p[4] & 0x40);
 	f->is_mp = !!(p[0] & 0x40);
 
-	f->fingers = (p[5] & 0x3) + 1;
-	f->x_map = ((p[4] & 0x7e) << 8) |
-		   ((p[1] & 0x7f) << 2) |
-		   ((p[0] & 0x30) >> 4);
-	f->y_map = ((p[3] & 0x70) << 4) |
-		   ((p[2] & 0x7f) << 1) |
-		   (p[4] & 0x01);
-
-	f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) |
-	       ((p[0] & 0x30) >> 4);
-	f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f);
-	f->pressure = p[5] & 0x7f;
+	if (f->is_mp) {
+		f->fingers = (p[5] & 0x3) + 1;
+		f->x_map = ((p[4] & 0x7e) << 8) |
+			   ((p[1] & 0x7f) << 2) |
+			   ((p[0] & 0x30) >> 4);
+		f->y_map = ((p[3] & 0x70) << 4) |
+			   ((p[2] & 0x7f) << 1) |
+			   (p[4] & 0x01);
+	} else {
+		f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) |
+		       ((p[0] & 0x30) >> 4);
+		f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f);
+		f->pressure = p[5] & 0x7f;
 
-	alps_decode_buttons_v3(f, p);
+		alps_decode_buttons_v3(f, p);
+	}
 
 	return 0;
 }
@@ -605,13 +616,27 @@ static int alps_decode_pinnacle(struct alps_fields *f, unsigned char *p,
 static int alps_decode_rushmore(struct alps_fields *f, unsigned char *p,
 				 struct psmouse *psmouse)
 {
-	alps_decode_pinnacle(f, p, psmouse);
-
-	/* Rushmore's packet decode has a bit difference with Pinnacle's */
+	f->first_mp = !!(p[4] & 0x40);
 	f->is_mp = !!(p[5] & 0x40);
-	f->fingers = max((p[5] & 0x3), ((p[5] >> 2) & 0x3)) + 1;
-	f->x_map |= (p[5] & 0x10) << 11;
-	f->y_map |= (p[5] & 0x20) << 6;
+
+	if (f->is_mp) {
+		f->fingers = max((p[5] & 0x3), ((p[5] >> 2) & 0x3)) + 1;
+		f->x_map = ((p[5] & 0x10) << 11) |
+			   ((p[4] & 0x7e) << 8) |
+			   ((p[1] & 0x7f) << 2) |
+			   ((p[0] & 0x30) >> 4);
+		f->y_map = ((p[5] & 0x20) << 6) |
+			   ((p[3] & 0x70) << 4) |
+			   ((p[2] & 0x7f) << 1) |
+			   (p[4] & 0x01);
+	} else {
+		f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) |
+		       ((p[0] & 0x30) >> 4);
+		f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f);
+		f->pressure = p[5] & 0x7f;
+
+		alps_decode_buttons_v3(f, p);
+	}
 
 	return 0;
 }
@@ -680,30 +705,13 @@ static void alps_process_touchpad_packet_v3_v5(struct psmouse *psmouse)
 		 */
 		if (f->is_mp) {
 			fingers = f->fingers;
-			if (priv->proto_version == ALPS_PROTO_V3 ||
-			    priv->proto_version == ALPS_PROTO_V3_RUSHMORE) {
-				if (alps_process_bitmap(priv, f) == 0)
-					fingers = 0; /* Use st data */
-
-				/* Now process position packet */
-				priv->decode_fields(f, priv->multi_data,
-						    psmouse);
-			} else {
-				/*
-				 * Because Dolphin uses position packet's
-				 * coordinate data as Pt1 and uses it to
-				 * calculate Pt2, so we need to do position
-				 * packet decode first.
-				 */
-				priv->decode_fields(f, priv->multi_data,
-						    psmouse);
-
-				/*
-				 * Since Dolphin's finger number is reliable,
-				 * there is no need to compare with bmap_fn.
-				 */
-				alps_process_bitmap_dolphin(priv, f);
-			}
+			/*
+			 * Bitmap processing uses position packet's coordinate
+			 * data, so we need to do decode it first.
+			 */
+			priv->decode_fields(f, priv->multi_data, psmouse);
+			if (alps_process_bitmap(priv, f) == 0)
+				fingers = 0; /* Use st data */
 		} else {
 			priv->multi_packet = 0;
 		}
@@ -865,6 +873,14 @@ static void alps_process_packet_v4(struct psmouse *psmouse)
 	priv->multi_data[offset] = packet[6];
 	priv->multi_data[offset + 1] = packet[7];
 
+	f->left = !!(packet[4] & 0x01);
+	f->right = !!(packet[4] & 0x02);
+
+	f->st.x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) |
+		  ((packet[0] & 0x30) >> 4);
+	f->st.y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f);
+	f->pressure = packet[5] & 0x7f;
+
 	if (++priv->multi_packet > 2) {
 		priv->multi_packet = 0;
 
@@ -879,14 +895,6 @@ static void alps_process_packet_v4(struct psmouse *psmouse)
 		f->fingers = alps_process_bitmap(priv, f);
 	}
 
-	f->left = !!(packet[4] & 0x01);
-	f->right = !!(packet[4] & 0x02);
-
-	f->st.x = ((packet[1] & 0x7f) << 4) | ((packet[3] & 0x30) >> 2) |
-		  ((packet[0] & 0x30) >> 4);
-	f->st.y = ((packet[2] & 0x7f) << 4) | (packet[3] & 0x0f);
-	f->pressure = packet[5] & 0x7f;
-
 	alps_report_semi_mt_data(psmouse, f->fingers);
 }
 
@@ -2562,7 +2570,7 @@ static int alps_set_protocol(struct psmouse *psmouse,
 	case ALPS_PROTO_V3:
 		priv->hw_init = alps_hw_init_v3;
 		priv->process_packet = alps_process_packet_v3;
-		priv->set_abs_params = alps_set_abs_params_mt;
+		priv->set_abs_params = alps_set_abs_params_semi_mt;
 		priv->decode_fields = alps_decode_pinnacle;
 		priv->nibble_commands = alps_v3_nibble_commands;
 		priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
@@ -2571,7 +2579,7 @@ static int alps_set_protocol(struct psmouse *psmouse,
 	case ALPS_PROTO_V3_RUSHMORE:
 		priv->hw_init = alps_hw_init_rushmore_v3;
 		priv->process_packet = alps_process_packet_v3;
-		priv->set_abs_params = alps_set_abs_params_mt;
+		priv->set_abs_params = alps_set_abs_params_semi_mt;
 		priv->decode_fields = alps_decode_rushmore;
 		priv->nibble_commands = alps_v3_nibble_commands;
 		priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
@@ -2587,7 +2595,7 @@ static int alps_set_protocol(struct psmouse *psmouse,
 	case ALPS_PROTO_V4:
 		priv->hw_init = alps_hw_init_v4;
 		priv->process_packet = alps_process_packet_v4;
-		priv->set_abs_params = alps_set_abs_params_mt;
+		priv->set_abs_params = alps_set_abs_params_semi_mt;
 		priv->nibble_commands = alps_v4_nibble_commands;
 		priv->addr_command = PSMOUSE_CMD_DISABLE;
 		break;
@@ -2596,7 +2604,7 @@ static int alps_set_protocol(struct psmouse *psmouse,
 		priv->hw_init = alps_hw_init_dolphin_v1;
 		priv->process_packet = alps_process_touchpad_packet_v3_v5;
 		priv->decode_fields = alps_decode_dolphin;
-		priv->set_abs_params = alps_set_abs_params_mt;
+		priv->set_abs_params = alps_set_abs_params_semi_mt;
 		priv->nibble_commands = alps_v3_nibble_commands;
 		priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
 		priv->x_bits = 23;
@@ -2778,15 +2786,15 @@ static void alps_set_abs_params_mt_common(struct alps_data *priv,
 	set_bit(BTN_TOOL_QUADTAP, dev1->keybit);
 }
 
-static void alps_set_abs_params_mt(struct alps_data *priv,
-				   struct input_dev *dev1)
+static void alps_set_abs_params_semi_mt(struct alps_data *priv,
+					struct input_dev *dev1)
 {
 	alps_set_abs_params_mt_common(priv, dev1);
 	input_set_abs_params(dev1, ABS_PRESSURE, 0, 127, 0, 0);
 
 	input_mt_init_slots(dev1, MAX_TOUCHES,
 			    INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED |
-				INPUT_MT_TRACK | INPUT_MT_SEMI_MT);
+				INPUT_MT_SEMI_MT);
 }
 
 static void alps_set_abs_params_v7(struct alps_data *priv,
diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h
index 6dfdccc3a7c6e8..d37f814dc44781 100644
--- a/drivers/input/mouse/alps.h
+++ b/drivers/input/mouse/alps.h
@@ -278,6 +278,7 @@ struct alps_data {
 
 	int prev_fin;
 	int multi_packet;
+	int second_touch;
 	unsigned char multi_data[6];
 	struct alps_fields f;
 	u8 quirks;
diff --git a/drivers/input/mouse/cyapa_gen3.c b/drivers/input/mouse/cyapa_gen3.c
index 1e2291c378feb8..3faf01c1b19111 100644
--- a/drivers/input/mouse/cyapa_gen3.c
+++ b/drivers/input/mouse/cyapa_gen3.c
@@ -950,14 +950,13 @@ static u16 cyapa_get_wait_time_for_pwr_cmd(u8 pwr_mode)
  * Device power mode can only be set when device is in operational mode.
  */
 static int cyapa_gen3_set_power_mode(struct cyapa *cyapa, u8 power_mode,
-		u16 always_unused)
+				     u16 always_unused)
 {
 	int ret;
 	u8 power;
 	int tries;
 	u16 sleep_time;
 
-	always_unused = 0;
 	if (cyapa->state != CYAPA_STATE_OP)
 		return 0;
 
diff --git a/drivers/input/mouse/cyapa_gen5.c b/drivers/input/mouse/cyapa_gen5.c
index 5b611dd71e7906..afc39e799da238 100644
--- a/drivers/input/mouse/cyapa_gen5.c
+++ b/drivers/input/mouse/cyapa_gen5.c
@@ -352,7 +352,7 @@ struct gen5_app_cmd_head {
 	u8 parameter_data[0];  /* Parameter data variable based on cmd_code */
 } __packed;
 
-/* Applicaton get/set parameter command data structure */
+/* Application get/set parameter command data structure */
 struct gen5_app_set_parameter_data {
 	u8 parameter_id;
 	u8 parameter_size;
@@ -832,7 +832,7 @@ static int gen5_hid_description_header_parse(struct cyapa *cyapa, u8 *reg_data)
 	int ret;
 
 	/* 0x20 0x00 0xF7 is Gen5 Application HID Description Header;
-	 * 0x20 0x00 0xFF is Gen5 Booloader HID Description Header.
+	 * 0x20 0x00 0xFF is Gen5 Bootloader HID Description Header.
 	 *
 	 * Must read HID Description content through out,
 	 * otherwise Gen5 trackpad cannot response next command
@@ -1654,8 +1654,8 @@ static int cyapa_gen5_set_power_mode(struct cyapa *cyapa,
 		 * that trackpad unable to report signal to wake system up
 		 * in the special situation that system is in suspending, and
 		 * at the same time, user touch trackpad to wake system up.
-		 * This function can avoid the data to be buffured when system
-		 * is suspending which may cause interrput line unable to be
+		 * This function can avoid the data to be buffered when system
+		 * is suspending which may cause interrupt line unable to be
 		 * asserted again.
 		 */
 		cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL);
@@ -2546,16 +2546,11 @@ static bool cyapa_gen5_irq_cmd_handler(struct cyapa *cyapa)
 			gen5_pip->resp_sort_func(cyapa,
 				gen5_pip->irq_cmd_buf, length))) {
 			/*
-			 * Cover the Gen5 V1 firmware issue.
-			 * The issue is there is no interrut will be
-			 * asserted to notityf host to read a command
-			 * data out when always has finger touch on
-			 * trackpad during the command is issued to
-			 * trackad device.
-			 * This issue has the scenario is that,
-			 * user always has his fingers touched on
-			 * trackpad device when booting/rebooting
-			 * their chrome book.
+			 * Work around the Gen5 V1 firmware
+			 * that does not assert interrupt signalling
+			 * that command response is ready if user
+			 * keeps touching the trackpad while command
+			 * is sent to the device.
 			 */
 			length = 0;
 			if (gen5_pip->resp_len)
diff --git a/drivers/input/mouse/focaltech.c b/drivers/input/mouse/focaltech.c
index 23d259416f2f4d..4d5576de81be68 100644
--- a/drivers/input/mouse/focaltech.c
+++ b/drivers/input/mouse/focaltech.c
@@ -103,6 +103,16 @@ struct focaltech_hw_state {
 	 */
 	struct focaltech_finger_state fingers[FOC_MAX_FINGERS];
 
+	/*
+	 * Finger width 0-7 and 15 for a very big contact area.
+	 * 15 value stays until the finger is released.
+	 * Width is reported only in absolute packets.
+	 * Since hardware reports width only for last touching finger,
+	 * there is no need to store width for every specific finger,
+	 * so we keep only last value reported.
+	 */
+	unsigned int width;
+
 	/* True if the clickpad has been pressed. */
 	bool pressed;
 };
@@ -137,6 +147,7 @@ static void focaltech_report_state(struct psmouse *psmouse)
 			input_report_abs(dev, ABS_MT_POSITION_X, clamped_x);
 			input_report_abs(dev, ABS_MT_POSITION_Y,
 					 priv->y_max - clamped_y);
+			input_report_abs(dev, ABS_TOOL_WIDTH, state->width);
 		}
 	}
 	input_mt_report_pointer_emulation(dev, true);
@@ -187,6 +198,7 @@ static void focaltech_process_abs_packet(struct psmouse *psmouse,
 
 	state->fingers[finger].x = ((packet[1] & 0xf) << 8) | packet[2];
 	state->fingers[finger].y = (packet[3] << 8) | packet[4];
+	state->width = packet[5] >> 4;
 	state->fingers[finger].valid = true;
 }
 
@@ -331,6 +343,7 @@ static void focaltech_set_input_params(struct psmouse *psmouse)
 	__set_bit(EV_ABS, dev->evbit);
 	input_set_abs_params(dev, ABS_MT_POSITION_X, 0, priv->x_max, 0, 0);
 	input_set_abs_params(dev, ABS_MT_POSITION_Y, 0, priv->y_max, 0, 0);
+	input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0);
 	input_mt_init_slots(dev, 5, INPUT_MT_POINTER);
 	__set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
 }
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index f8286b625ec4ab..ec347703615012 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -63,7 +63,7 @@ static unsigned int psmouse_rate = 100;
 module_param_named(rate, psmouse_rate, uint, 0644);
 MODULE_PARM_DESC(rate, "Report rate, in reports per second.");
 
-static bool psmouse_smartscroll = 1;
+static bool psmouse_smartscroll = true;
 module_param_named(smartscroll, psmouse_smartscroll, bool, 0644);
 MODULE_PARM_DESC(smartscroll, "Logitech Smartscroll autorepeat, 1 = enabled (default), 0 = disabled.");
 
diff --git a/drivers/input/mouse/sentelic.h b/drivers/input/mouse/sentelic.h
index aa697ece405b18..42df9e3beae8c8 100644
--- a/drivers/input/mouse/sentelic.h
+++ b/drivers/input/mouse/sentelic.h
@@ -123,11 +123,11 @@ struct fsp_data {
 extern int fsp_detect(struct psmouse *psmouse, bool set_properties);
 extern int fsp_init(struct psmouse *psmouse);
 #else
-inline int fsp_detect(struct psmouse *psmouse, bool set_properties)
+static inline int fsp_detect(struct psmouse *psmouse, bool set_properties)
 {
 	return -ENOSYS;
 }
-inline int fsp_init(struct psmouse *psmouse)
+static inline int fsp_init(struct psmouse *psmouse)
 {
 	return -ENOSYS;
 }
diff --git a/drivers/input/mouse/synaptics_i2c.c b/drivers/input/mouse/synaptics_i2c.c
index 878f18498f3b26..ffceedcaf3c8c0 100644
--- a/drivers/input/mouse/synaptics_i2c.c
+++ b/drivers/input/mouse/synaptics_i2c.c
@@ -185,7 +185,7 @@
 #define NO_DATA_SLEEP_MSECS	(MSEC_PER_SEC / 4)
 
 /* Control touchpad's No Deceleration option */
-static bool no_decel = 1;
+static bool no_decel = true;
 module_param(no_decel, bool, 0644);
 MODULE_PARM_DESC(no_decel, "No Deceleration. Default = 1 (on)");
 
@@ -340,9 +340,9 @@ static bool synaptics_i2c_get_input(struct synaptics_i2c *touch)
 	s32 data;
 	s8 x_delta, y_delta;
 
-	/* Deal with spontanious resets and errors */
+	/* Deal with spontaneous resets and errors */
 	if (synaptics_i2c_check_error(touch->client))
-		return 0;
+		return false;
 
 	/* Get Gesture Bit */
 	data = synaptics_i2c_reg_get(touch->client, DATA_REG0);
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 05e4c6ffbe3636..d20fe1dff403ed 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -958,6 +958,7 @@ config TOUCHSCREEN_ST1232
 config TOUCHSCREEN_STMPE
 	tristate "STMicroelectronics STMPE touchscreens"
 	depends on MFD_STMPE
+	depends on (OF || COMPILE_TEST)
 	help
 	  Say Y here if you want support for STMicroelectronics
 	  STMPE touchscreen controllers.
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 40b98dda8f38be..dfc7309e3d3898 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -726,15 +726,15 @@ static void mxt_input_button(struct mxt_data *data, u8 *message)
 {
 	struct input_dev *input = data->input_dev;
 	const struct mxt_platform_data *pdata = data->pdata;
-	bool button;
 	int i;
 
-	/* Active-low switch */
 	for (i = 0; i < pdata->t19_num_keys; i++) {
 		if (pdata->t19_keymap[i] == KEY_RESERVED)
 			continue;
-		button = !(message[1] & (1 << i));
-		input_report_key(input, pdata->t19_keymap[i], button);
+
+		/* Active-low switch */
+		input_report_key(input, pdata->t19_keymap[i],
+				 !(message[1] & BIT(i)));
 	}
 }
 
diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c
index 3af16984d57c90..0d93b1e5e28e13 100644
--- a/drivers/input/touchscreen/goodix.c
+++ b/drivers/input/touchscreen/goodix.c
@@ -101,6 +101,9 @@ static int goodix_ts_read_input_report(struct goodix_ts_data *ts, u8 *data)
 		return error;
 	}
 
+	if (!(data[0] & 0x80))
+		return -EAGAIN;
+
 	touch_num = data[0] & 0x0f;
 	if (touch_num > ts->max_touch_num)
 		return -EPROTO;
diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c
index bdfa27dc097b6b..a4a103e1d11b0a 100644
--- a/drivers/input/touchscreen/s3c2410_ts.c
+++ b/drivers/input/touchscreen/s3c2410_ts.c
@@ -411,7 +411,7 @@ static const struct dev_pm_ops s3c_ts_pmops = {
 };
 #endif
 
-static struct platform_device_id s3cts_driver_ids[] = {
+static const struct platform_device_id s3cts_driver_ids[] = {
 	{ "s3c2410-ts", 0 },
 	{ "s3c2440-ts", 0 },
 	{ "s3c64xx-ts", FEAT_PEN_IRQ },
diff --git a/drivers/input/touchscreen/stmpe-ts.c b/drivers/input/touchscreen/stmpe-ts.c
index e4c31256a74dbe..e414d43e5159bb 100644
--- a/drivers/input/touchscreen/stmpe-ts.c
+++ b/drivers/input/touchscreen/stmpe-ts.c
@@ -267,27 +267,10 @@ static void stmpe_ts_close(struct input_dev *dev)
 static void stmpe_ts_get_platform_info(struct platform_device *pdev,
 					struct stmpe_touch *ts)
 {
-	struct stmpe *stmpe = dev_get_drvdata(pdev->dev.parent);
 	struct device_node *np = pdev->dev.of_node;
-	struct stmpe_ts_platform_data *ts_pdata = NULL;
-
-	ts->stmpe = stmpe;
-
-	if (stmpe->pdata && stmpe->pdata->ts) {
-		ts_pdata = stmpe->pdata->ts;
-
-		ts->sample_time = ts_pdata->sample_time;
-		ts->mod_12b = ts_pdata->mod_12b;
-		ts->ref_sel = ts_pdata->ref_sel;
-		ts->adc_freq = ts_pdata->adc_freq;
-		ts->ave_ctrl = ts_pdata->ave_ctrl;
-		ts->touch_det_delay = ts_pdata->touch_det_delay;
-		ts->settling = ts_pdata->settling;
-		ts->fraction_z = ts_pdata->fraction_z;
-		ts->i_drive = ts_pdata->i_drive;
-	} else if (np) {
-		u32 val;
+	u32 val;
 
+	if (np) {
 		if (!of_property_read_u32(np, "st,sample-time", &val))
 			ts->sample_time = val;
 		if (!of_property_read_u32(np, "st,mod-12b", &val))
@@ -311,6 +294,7 @@ static void stmpe_ts_get_platform_info(struct platform_device *pdev,
 
 static int stmpe_input_probe(struct platform_device *pdev)
 {
+	struct stmpe *stmpe = dev_get_drvdata(pdev->dev.parent);
 	struct stmpe_touch *ts;
 	struct input_dev *idev;
 	int error;
@@ -329,6 +313,7 @@ static int stmpe_input_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	platform_set_drvdata(pdev, ts);
+	ts->stmpe = stmpe;
 	ts->idev = idev;
 	ts->dev = &pdev->dev;
 
@@ -351,14 +336,13 @@ static int stmpe_input_probe(struct platform_device *pdev)
 	idev->name = STMPE_TS_NAME;
 	idev->phys = STMPE_TS_NAME"/input0";
 	idev->id.bustype = BUS_I2C;
-	idev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
-	idev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
 
 	idev->open = stmpe_ts_open;
 	idev->close = stmpe_ts_close;
 
 	input_set_drvdata(idev, ts);
 
+	input_set_capability(idev, EV_KEY, BTN_TOUCH);
 	input_set_abs_params(idev, ABS_X, 0, XY_MASK, 0, 0);
 	input_set_abs_params(idev, ABS_Y, 0, XY_MASK, 0, 0);
 	input_set_abs_params(idev, ABS_PRESSURE, 0x0, 0xff, 0, 0);
@@ -383,14 +367,19 @@ static int stmpe_ts_remove(struct platform_device *pdev)
 
 static struct platform_driver stmpe_ts_driver = {
 	.driver = {
-		   .name = STMPE_TS_NAME,
-		   },
+		.name = STMPE_TS_NAME,
+	},
 	.probe = stmpe_input_probe,
 	.remove = stmpe_ts_remove,
 };
 module_platform_driver(stmpe_ts_driver);
 
+static const struct of_device_id stmpe_ts_ids[] = {
+	{ .compatible = "st,stmpe-ts", },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, stmpe_ts_ids);
+
 MODULE_AUTHOR("Luotao Fu <l.fu@pengutronix.de>");
 MODULE_DESCRIPTION("STMPEXXX touchscreen driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:" STMPE_TS_NAME);
diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c
index 19880c7385e35a..f58a196521a9a9 100644
--- a/drivers/input/touchscreen/zforce_ts.c
+++ b/drivers/input/touchscreen/zforce_ts.c
@@ -30,7 +30,6 @@
 #include <linux/input/mt.h>
 #include <linux/platform_data/zforce_ts.h>
 #include <linux/regulator/consumer.h>
-#include <linux/delay.h>
 #include <linux/of.h>
 #include <linux/of_gpio.h>
 
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index 79c646ee2beb94..2d285fab98688c 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -55,9 +55,6 @@
 static int __read_mostly sysrq_enabled = CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE;
 static bool __read_mostly sysrq_always_enabled;
 
-unsigned short platform_sysrq_reset_seq[] __weak = { KEY_RESERVED };
-int sysrq_reset_downtime_ms __weak;
-
 static bool sysrq_on(void)
 {
 	return sysrq_enabled || sysrq_always_enabled;
@@ -570,6 +567,7 @@ void handle_sysrq(int key)
 EXPORT_SYMBOL(handle_sysrq);
 
 #ifdef CONFIG_INPUT
+static int sysrq_reset_downtime_ms;
 
 /* Simple translation table for the SysRq keys */
 static const unsigned char sysrq_xlate[KEY_CNT] =
@@ -950,23 +948,8 @@ static bool sysrq_handler_registered;
 
 static inline void sysrq_register_handler(void)
 {
-	unsigned short key;
 	int error;
-	int i;
-
-	/* First check if a __weak interface was instantiated. */
-	for (i = 0; i < ARRAY_SIZE(sysrq_reset_seq); i++) {
-		key = platform_sysrq_reset_seq[i];
-		if (key == KEY_RESERVED || key > KEY_MAX)
-			break;
-
-		sysrq_reset_seq[sysrq_reset_seq_len++] = key;
-	}
 
-	/*
-	 * DT configuration takes precedence over anything that would
-	 * have been defined via the __weak interface.
-	 */
 	sysrq_of_get_keyreset_config();
 
 	error = input_register_handler(&sysrq_handler);
diff --git a/include/linux/mfd/stmpe.h b/include/linux/mfd/stmpe.h
index c9d86902730061..cb83883918a755 100644
--- a/include/linux/mfd/stmpe.h
+++ b/include/linux/mfd/stmpe.h
@@ -118,47 +118,6 @@ extern int stmpe_disable(struct stmpe *stmpe, unsigned int blocks);
 #define STMPE_GPIO_NOREQ_811_TOUCH	(0xf0)
 
 /**
- * struct stmpe_ts_platform_data - stmpe811 touch screen controller platform
- * data
- * @sample_time: ADC converstion time in number of clock.
- * (0 -> 36 clocks, 1 -> 44 clocks, 2 -> 56 clocks, 3 -> 64 clocks,
- * 4 -> 80 clocks, 5 -> 96 clocks, 6 -> 144 clocks),
- * recommended is 4.
- * @mod_12b: ADC Bit mode (0 -> 10bit ADC, 1 -> 12bit ADC)
- * @ref_sel: ADC reference source
- * (0 -> internal reference, 1 -> external reference)
- * @adc_freq: ADC Clock speed
- * (0 -> 1.625 MHz, 1 -> 3.25 MHz, 2 || 3 -> 6.5 MHz)
- * @ave_ctrl: Sample average control
- * (0 -> 1 sample, 1 -> 2 samples, 2 -> 4 samples, 3 -> 8 samples)
- * @touch_det_delay: Touch detect interrupt delay
- * (0 -> 10 us, 1 -> 50 us, 2 -> 100 us, 3 -> 500 us,
- * 4-> 1 ms, 5 -> 5 ms, 6 -> 10 ms, 7 -> 50 ms)
- * recommended is 3
- * @settling: Panel driver settling time
- * (0 -> 10 us, 1 -> 100 us, 2 -> 500 us, 3 -> 1 ms,
- * 4 -> 5 ms, 5 -> 10 ms, 6 for 50 ms, 7 -> 100 ms)
- * recommended is 2
- * @fraction_z: Length of the fractional part in z
- * (fraction_z ([0..7]) = Count of the fractional part)
- * recommended is 7
- * @i_drive: current limit value of the touchscreen drivers
- * (0 -> 20 mA typical 35 mA max, 1 -> 50 mA typical 80 mA max)
- *
- * */
-struct stmpe_ts_platform_data {
-       u8 sample_time;
-       u8 mod_12b;
-       u8 ref_sel;
-       u8 adc_freq;
-       u8 ave_ctrl;
-       u8 touch_det_delay;
-       u8 settling;
-       u8 fraction_z;
-       u8 i_drive;
-};
-
-/**
  * struct stmpe_platform_data - STMPE platform data
  * @id: device id to distinguish between multiple STMPEs on the same board
  * @blocks: bitmask of blocks to enable (use STMPE_BLOCK_*)
@@ -168,7 +127,6 @@ struct stmpe_ts_platform_data {
  * @irq_over_gpio: true if gpio is used to get irq
  * @irq_gpio: gpio number over which irq will be requested (significant only if
  *	      irq_over_gpio is true)
- * @ts: touchscreen-specific platform data
  */
 struct stmpe_platform_data {
 	int id;
@@ -178,8 +136,6 @@ struct stmpe_platform_data {
 	bool irq_over_gpio;
 	int irq_gpio;
 	int autosleep_timeout;
-
-	struct stmpe_ts_platform_data *ts;
 };
 
 #endif
diff --git a/include/linux/platform_data/keyboard-spear.h b/include/linux/platform_data/keyboard-spear.h
index 9248e3a7e33319..5e3ff653900cd8 100644
--- a/include/linux/platform_data/keyboard-spear.h
+++ b/include/linux/platform_data/keyboard-spear.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2010 ST Microelectronics
- * Rajeev Kumar<rajeev-dlh.kumar@st.com>
+ * Rajeev Kumar <rajeevkumar.linux@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any