Linux-libre 4.7.1-gnupck-4.7.1-gnu

32 files changed, 276 insertions, 265 deletions

diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c
index 6f8b084e1..3d8ff09eb 100644
--- a/drivers/input/joystick/analog.c
+++ b/drivers/input/joystick/analog.c
@@ -143,9 +143,9 @@ struct analog_port {
 
 #include <linux/i8253.h>
 
-#define GET_TIME(x)	do { if (cpu_has_tsc) x = (unsigned int)rdtsc(); else x = get_time_pit(); } while (0)
-#define DELTA(x,y)	(cpu_has_tsc ? ((y) - (x)) : ((x) - (y) + ((x) < (y) ? PIT_TICK_RATE / HZ : 0)))
-#define TIME_NAME	(cpu_has_tsc?"TSC":"PIT")
+#define GET_TIME(x)	do { if (boot_cpu_has(X86_FEATURE_TSC)) x = (unsigned int)rdtsc(); else x = get_time_pit(); } while (0)
+#define DELTA(x,y)	(boot_cpu_has(X86_FEATURE_TSC) ? ((y) - (x)) : ((x) - (y) + ((x) < (y) ? PIT_TICK_RATE / HZ : 0)))
+#define TIME_NAME	(boot_cpu_has(X86_FEATURE_TSC)?"TSC":"PIT")
 static unsigned int get_time_pit(void)
 {
         unsigned long flags;
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index ca62a6e11..a529a4535 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -87,7 +87,7 @@
 #define DRIVER_AUTHOR "Marko Friedemann <mfr@bmx-chemnitz.de>"
 #define DRIVER_DESC "X-Box pad driver"
 
-#define XPAD_PKT_LEN 32
+#define XPAD_PKT_LEN 64
 
 /* xbox d-pads should map to buttons, as is required for DDR pads
    but we map them to axes when possible to simplify things */
@@ -129,6 +129,7 @@ static const struct xpad_device {
 	{ 0x045e, 0x028e, "Microsoft X-Box 360 pad", 0, XTYPE_XBOX360 },
 	{ 0x045e, 0x02d1, "Microsoft X-Box One pad", 0, XTYPE_XBOXONE },
 	{ 0x045e, 0x02dd, "Microsoft X-Box One pad (Firmware 2015)", 0, XTYPE_XBOXONE },
+	{ 0x045e, 0x02e3, "Microsoft X-Box One Elite pad", 0, XTYPE_XBOXONE },
 	{ 0x045e, 0x0291, "Xbox 360 Wireless Receiver (XBOX)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
 	{ 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
 	{ 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX },
@@ -173,9 +174,11 @@ static const struct xpad_device {
 	{ 0x0e6f, 0x0006, "Edge wireless Controller", 0, XTYPE_XBOX },
 	{ 0x0e6f, 0x0105, "HSM3 Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
 	{ 0x0e6f, 0x0113, "Afterglow AX.1 Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
+	{ 0x0e6f, 0x0139, "Afterglow Prismatic Wired Controller", 0, XTYPE_XBOXONE },
 	{ 0x0e6f, 0x0201, "Pelican PL-3601 'TSZ' Wired Xbox 360 Controller", 0, XTYPE_XBOX360 },
 	{ 0x0e6f, 0x0213, "Afterglow Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
 	{ 0x0e6f, 0x021f, "Rock Candy Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
+	{ 0x0e6f, 0x0146, "Rock Candy Wired Controller for Xbox One", 0, XTYPE_XBOXONE },
 	{ 0x0e6f, 0x0301, "Logic3 Controller", 0, XTYPE_XBOX360 },
 	{ 0x0e6f, 0x0401, "Logic3 Controller", 0, XTYPE_XBOX360 },
 	{ 0x0e8f, 0x0201, "SmartJoy Frag Xpad/PS2 adaptor", 0, XTYPE_XBOX },
@@ -183,6 +186,7 @@ static const struct xpad_device {
 	{ 0x0f0d, 0x000a, "Hori Co. DOA4 FightStick", 0, XTYPE_XBOX360 },
 	{ 0x0f0d, 0x000d, "Hori Fighting Stick EX2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
 	{ 0x0f0d, 0x0016, "Hori Real Arcade Pro.EX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
+	{ 0x0f0d, 0x0067, "HORIPAD ONE", 0, XTYPE_XBOXONE },
 	{ 0x0f30, 0x0202, "Joytech Advanced Controller", 0, XTYPE_XBOX },
 	{ 0x0f30, 0x8888, "BigBen XBMiniPad Controller", 0, XTYPE_XBOX },
 	{ 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", 0, XTYPE_XBOX },
@@ -199,6 +203,7 @@ static const struct xpad_device {
 	{ 0x162e, 0xbeef, "Joytech Neo-Se Take2", 0, XTYPE_XBOX360 },
 	{ 0x1689, 0xfd00, "Razer Onza Tournament Edition", 0, XTYPE_XBOX360 },
 	{ 0x1689, 0xfd01, "Razer Onza Classic Edition", 0, XTYPE_XBOX360 },
+	{ 0x24c6, 0x542a, "Xbox ONE spectra", 0, XTYPE_XBOXONE },
 	{ 0x24c6, 0x5d04, "Razer Sabertooth", 0, XTYPE_XBOX360 },
 	{ 0x1bad, 0x0002, "Harmonix Rock Band Guitar", 0, XTYPE_XBOX360 },
 	{ 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
@@ -212,6 +217,8 @@ static const struct xpad_device {
 	{ 0x24c6, 0x5000, "Razer Atrox Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
 	{ 0x24c6, 0x5300, "PowerA MINI PROEX Controller", 0, XTYPE_XBOX360 },
 	{ 0x24c6, 0x5303, "Xbox Airflo wired controller", 0, XTYPE_XBOX360 },
+	{ 0x24c6, 0x541a, "PowerA Xbox One Mini Wired Controller", 0, XTYPE_XBOXONE },
+	{ 0x24c6, 0x543a, "PowerA Xbox One wired controller", 0, XTYPE_XBOXONE },
 	{ 0x24c6, 0x5500, "Hori XBOX 360 EX 2 with Turbo", 0, XTYPE_XBOX360 },
 	{ 0x24c6, 0x5501, "Hori Real Arcade Pro VX-SA", 0, XTYPE_XBOX360 },
 	{ 0x24c6, 0x5506, "Hori SOULCALIBUR V Stick", 0, XTYPE_XBOX360 },
@@ -307,13 +314,16 @@ static struct usb_device_id xpad_table[] = {
 	{ USB_DEVICE(0x0738, 0x4540) },		/* Mad Catz Beat Pad */
 	XPAD_XBOXONE_VENDOR(0x0738),		/* Mad Catz FightStick TE 2 */
 	XPAD_XBOX360_VENDOR(0x0e6f),		/* 0x0e6f X-Box 360 controllers */
+	XPAD_XBOXONE_VENDOR(0x0e6f),		/* 0x0e6f X-Box One controllers */
 	XPAD_XBOX360_VENDOR(0x12ab),		/* X-Box 360 dance pads */
 	XPAD_XBOX360_VENDOR(0x1430),		/* RedOctane X-Box 360 controllers */
 	XPAD_XBOX360_VENDOR(0x146b),		/* BigBen Interactive Controllers */
 	XPAD_XBOX360_VENDOR(0x1bad),		/* Harminix Rock Band Guitar and Drums */
 	XPAD_XBOX360_VENDOR(0x0f0d),		/* Hori Controllers */
+	XPAD_XBOXONE_VENDOR(0x0f0d),		/* Hori Controllers */
 	XPAD_XBOX360_VENDOR(0x1689),		/* Razer Onza */
 	XPAD_XBOX360_VENDOR(0x24c6),		/* PowerA Controllers */
+	XPAD_XBOXONE_VENDOR(0x24c6),		/* PowerA Controllers */
 	XPAD_XBOX360_VENDOR(0x1532),		/* Razer Sabertooth */
 	XPAD_XBOX360_VENDOR(0x15e4),		/* Numark X-Box 360 controllers */
 	XPAD_XBOX360_VENDOR(0x162e),		/* Joytech X-Box 360 controllers */
@@ -1021,17 +1031,17 @@ static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect
 
 	case XTYPE_XBOXONE:
 		packet->data[0] = 0x09; /* activate rumble */
-		packet->data[1] = 0x08;
+		packet->data[1] = 0x00;
 		packet->data[2] = xpad->odata_serial++;
-		packet->data[3] = 0x08; /* continuous effect */
-		packet->data[4] = 0x00; /* simple rumble mode */
-		packet->data[5] = 0x03; /* L and R actuator only */
-		packet->data[6] = 0x00; /* TODO: LT actuator */
-		packet->data[7] = 0x00; /* TODO: RT actuator */
+		packet->data[3] = 0x09;
+		packet->data[4] = 0x00;
+		packet->data[5] = 0x0F;
+		packet->data[6] = 0x00;
+		packet->data[7] = 0x00;
 		packet->data[8] = strong / 512;	/* left actuator */
 		packet->data[9] = weak / 512;	/* right actuator */
-		packet->data[10] = 0x80;	/* length of pulse */
-		packet->data[11] = 0x00;	/* stop period of pulse */
+		packet->data[10] = 0xFF;
+		packet->data[11] = 0x00;
 		packet->data[12] = 0x00;
 		packet->len = 13;
 		packet->pending = true;
@@ -1421,22 +1431,15 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
 	int ep_irq_in_idx;
 	int i, error;
 
+	if (intf->cur_altsetting->desc.bNumEndpoints != 2)
+		return -ENODEV;
+
 	for (i = 0; xpad_device[i].idVendor; i++) {
 		if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) &&
 		    (le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct))
 			break;
 	}
 
-	if (xpad_device[i].xtype == XTYPE_XBOXONE &&
-	    intf->cur_altsetting->desc.bInterfaceNumber != 0) {
-		/*
-		 * The Xbox One controller lists three interfaces all with the
-		 * same interface class, subclass and protocol. Differentiate by
-		 * interface number.
-		 */
-		return -ENODEV;
-	}
-
 	xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL);
 	if (!xpad)
 		return -ENOMEM;
@@ -1468,6 +1471,8 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
 		if (intf->cur_altsetting->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC) {
 			if (intf->cur_altsetting->desc.bInterfaceProtocol == 129)
 				xpad->xtype = XTYPE_XBOX360W;
+			else if (intf->cur_altsetting->desc.bInterfaceProtocol == 208)
+				xpad->xtype = XTYPE_XBOXONE;
 			else
 				xpad->xtype = XTYPE_XBOX360;
 		} else {
@@ -1482,6 +1487,17 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
 			xpad->mapping |= MAP_STICKS_TO_NULL;
 	}
 
+	if (xpad->xtype == XTYPE_XBOXONE &&
+	    intf->cur_altsetting->desc.bInterfaceNumber != 0) {
+		/*
+		 * The Xbox One controller lists three interfaces all with the
+		 * same interface class, subclass and protocol. Differentiate by
+		 * interface number.
+		 */
+		error = -ENODEV;
+		goto err_free_in_urb;
+	}
+
 	error = xpad_init_output(intf, xpad);
 	if (error)
 		goto err_free_in_urb;
diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c
index 21a62d0fa..53fe9a3fb 100644
--- a/drivers/input/keyboard/adp5588-keys.c
+++ b/drivers/input/keyboard/adp5588-keys.c
@@ -73,7 +73,7 @@ static int adp5588_write(struct i2c_client *client, u8 reg, u8 val)
 #ifdef CONFIG_GPIOLIB
 static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned off)
 {
-	struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
+	struct adp5588_kpad *kpad = gpiochip_get_data(chip);
 	unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
 	unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
 	int val;
@@ -93,7 +93,7 @@ static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned off)
 static void adp5588_gpio_set_value(struct gpio_chip *chip,
 				   unsigned off, int val)
 {
-	struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
+	struct adp5588_kpad *kpad = gpiochip_get_data(chip);
 	unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
 	unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
 
@@ -112,7 +112,7 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip,
 
 static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned off)
 {
-	struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
+	struct adp5588_kpad *kpad = gpiochip_get_data(chip);
 	unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
 	unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
 	int ret;
@@ -130,7 +130,7 @@ static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned off)
 static int adp5588_gpio_direction_output(struct gpio_chip *chip,
 					 unsigned off, int val)
 {
-	struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
+	struct adp5588_kpad *kpad = gpiochip_get_data(chip);
 	unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
 	unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
 	int ret;
@@ -210,7 +210,7 @@ static int adp5588_gpio_add(struct adp5588_kpad *kpad)
 
 	mutex_init(&kpad->gpio_lock);
 
-	error = gpiochip_add(&kpad->gc);
+	error = gpiochip_add_data(&kpad->gc, kpad);
 	if (error) {
 		dev_err(dev, "gpiochip_add failed, err: %d\n", error);
 		return error;
diff --git a/drivers/input/keyboard/adp5589-keys.c b/drivers/input/keyboard/adp5589-keys.c
index c01a1d648..32d94c63d 100644
--- a/drivers/input/keyboard/adp5589-keys.c
+++ b/drivers/input/keyboard/adp5589-keys.c
@@ -387,7 +387,7 @@ static int adp5589_write(struct i2c_client *client, u8 reg, u8 val)
 #ifdef CONFIG_GPIOLIB
 static int adp5589_gpio_get_value(struct gpio_chip *chip, unsigned off)
 {
-	struct adp5589_kpad *kpad = container_of(chip, struct adp5589_kpad, gc);
+	struct adp5589_kpad *kpad = gpiochip_get_data(chip);
 	unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
 	unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);
 
@@ -399,7 +399,7 @@ static int adp5589_gpio_get_value(struct gpio_chip *chip, unsigned off)
 static void adp5589_gpio_set_value(struct gpio_chip *chip,
 				   unsigned off, int val)
 {
-	struct adp5589_kpad *kpad = container_of(chip, struct adp5589_kpad, gc);
+	struct adp5589_kpad *kpad = gpiochip_get_data(chip);
 	unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
 	unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);
 
@@ -418,7 +418,7 @@ static void adp5589_gpio_set_value(struct gpio_chip *chip,
 
 static int adp5589_gpio_direction_input(struct gpio_chip *chip, unsigned off)
 {
-	struct adp5589_kpad *kpad = container_of(chip, struct adp5589_kpad, gc);
+	struct adp5589_kpad *kpad = gpiochip_get_data(chip);
 	unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
 	unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);
 	int ret;
@@ -438,7 +438,7 @@ static int adp5589_gpio_direction_input(struct gpio_chip *chip, unsigned off)
 static int adp5589_gpio_direction_output(struct gpio_chip *chip,
 					 unsigned off, int val)
 {
-	struct adp5589_kpad *kpad = container_of(chip, struct adp5589_kpad, gc);
+	struct adp5589_kpad *kpad = gpiochip_get_data(chip);
 	unsigned int bank = kpad->var->bank(kpad->gpiomap[off]);
 	unsigned int bit = kpad->var->bit(kpad->gpiomap[off]);
 	int ret;
@@ -525,9 +525,9 @@ static int adp5589_gpio_add(struct adp5589_kpad *kpad)
 
 	mutex_init(&kpad->gpio_lock);
 
-	error = gpiochip_add(&kpad->gc);
+	error = gpiochip_add_data(&kpad->gc, kpad);
 	if (error) {
-		dev_err(dev, "gpiochip_add failed, err: %d\n", error);
+		dev_err(dev, "gpiochip_add_data() failed, err: %d\n", error);
 		return error;
 	}
 
diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c
index e0d72c8c0..146b26f66 100644
--- a/drivers/input/keyboard/omap-keypad.c
+++ b/drivers/input/keyboard/omap-keypad.c
@@ -64,31 +64,6 @@ static DECLARE_TASKLET_DISABLED(kp_tasklet, omap_kp_tasklet, 0);
 static unsigned int *row_gpios;
 static unsigned int *col_gpios;
 
-#ifdef CONFIG_ARCH_OMAP2
-static void set_col_gpio_val(struct omap_kp *omap_kp, u8 value)
-{
-	int col;
-
-	for (col = 0; col < omap_kp->cols; col++)
-		gpio_set_value(col_gpios[col], value & (1 << col));
-}
-
-static u8 get_row_gpio_val(struct omap_kp *omap_kp)
-{
-	int row;
-	u8 value = 0;
-
-	for (row = 0; row < omap_kp->rows; row++) {
-		if (gpio_get_value(row_gpios[row]))
-			value |= (1 << row);
-	}
-	return value;
-}
-#else
-#define		set_col_gpio_val(x, y)	do {} while (0)
-#define		get_row_gpio_val(x)	0
-#endif
-
 static irqreturn_t omap_kp_interrupt(int irq, void *dev_id)
 {
 	/* disable keyboard interrupt and schedule for handling */
@@ -133,7 +108,6 @@ static void omap_kp_tasklet(unsigned long data)
 	unsigned int row_shift = get_count_order(omap_kp_data->cols);
 	unsigned char new_state[8], changed, key_down = 0;
 	int col, row;
-	int spurious = 0;
 
 	/* check for any changes */
 	omap_kp_scan_keypad(omap_kp_data, new_state);
@@ -170,12 +144,9 @@ static void omap_kp_tasklet(unsigned long data)
 	memcpy(keypad_state, new_state, sizeof(keypad_state));
 
 	if (key_down) {
-		int delay = HZ / 20;
 		/* some key is pressed - keep irq disabled and use timer
 		 * to poll the keypad */
-		if (spurious)
-			delay = 2 * HZ;
-		mod_timer(&omap_kp_data->timer, jiffies + delay);
+		mod_timer(&omap_kp_data->timer, jiffies + HZ / 20);
 	} else {
 		/* enable interrupts */
 		omap_writew(0, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
@@ -216,25 +187,6 @@ static ssize_t omap_kp_enable_store(struct device *dev, struct device_attribute
 
 static DEVICE_ATTR(enable, S_IRUGO | S_IWUSR, omap_kp_enable_show, omap_kp_enable_store);
 
-#ifdef CONFIG_PM
-static int omap_kp_suspend(struct platform_device *dev, pm_message_t state)
-{
-	/* Nothing yet */
-
-	return 0;
-}
-
-static int omap_kp_resume(struct platform_device *dev)
-{
-	/* Nothing yet */
-
-	return 0;
-}
-#else
-#define omap_kp_suspend	NULL
-#define omap_kp_resume	NULL
-#endif
-
 static int omap_kp_probe(struct platform_device *pdev)
 {
 	struct omap_kp *omap_kp;
@@ -371,8 +323,6 @@ static int omap_kp_remove(struct platform_device *pdev)
 static struct platform_driver omap_kp_driver = {
 	.probe		= omap_kp_probe,
 	.remove		= omap_kp_remove,
-	.suspend	= omap_kp_suspend,
-	.resume		= omap_kp_resume,
 	.driver		= {
 		.name	= "omap-keypad",
 	},
diff --git a/drivers/input/keyboard/twl4030_keypad.c b/drivers/input/keyboard/twl4030_keypad.c
index bbcccd672..323a0fb57 100644
--- a/drivers/input/keyboard/twl4030_keypad.c
+++ b/drivers/input/keyboard/twl4030_keypad.c
@@ -61,9 +61,9 @@ struct twl4030_keypad {
 	unsigned short	keymap[TWL4030_KEYMAP_SIZE];
 	u16		kp_state[TWL4030_MAX_ROWS];
 	bool		autorepeat;
-	unsigned	n_rows;
-	unsigned	n_cols;
-	unsigned	irq;
+	unsigned int	n_rows;
+	unsigned int	n_cols;
+	unsigned int	irq;
 
 	struct device *dbg_dev;
 	struct input_dev *input;
@@ -110,7 +110,7 @@ struct twl4030_keypad {
 #define KEYP_CTRL_KBD_ON		BIT(6)
 
 /* KEYP_DEB, KEYP_LONG_KEY, KEYP_TIMEOUT_x*/
-#define KEYP_PERIOD_US(t, prescale)	((t) / (31 << (prescale + 1)) - 1)
+#define KEYP_PERIOD_US(t, prescale)	((t) / (31 << ((prescale) + 1)) - 1)
 
 /* KEYP_LK_PTV_REG Fields */
 #define KEYP_LK_PTV_PTV_SHIFT		5
@@ -162,9 +162,10 @@ static int twl4030_kpwrite_u8(struct twl4030_keypad *kp, u8 data, u32 reg)
 
 static inline u16 twl4030_col_xlate(struct twl4030_keypad *kp, u8 col)
 {
-	/* If all bits in a row are active for all coloumns then
+	/*
+	 * If all bits in a row are active for all columns then
 	 * we have that row line connected to gnd. Mark this
-	 * key on as if it was on matrix position n_cols (ie
+	 * key on as if it was on matrix position n_cols (i.e.
 	 * one higher than the size of the matrix).
 	 */
 	if (col == 0xFF)
@@ -209,9 +210,9 @@ static void twl4030_kp_scan(struct twl4030_keypad *kp, bool release_all)
 	u16 new_state[TWL4030_MAX_ROWS];
 	int col, row;
 
-	if (release_all)
+	if (release_all) {
 		memset(new_state, 0, sizeof(new_state));
-	else {
+	} else {
 		/* check for any changes */
 		int ret = twl4030_read_kp_matrix_state(kp, new_state);
 
@@ -262,8 +263,10 @@ static irqreturn_t do_kp_irq(int irq, void *_kp)
 	/* Read & Clear TWL4030 pending interrupt */
 	ret = twl4030_kpread(kp, &reg, KEYP_ISR1, 1);
 
-	/* Release all keys if I2C has gone bad or
-	 * the KEYP has gone to idle state */
+	/*
+	 * Release all keys if I2C has gone bad or
+	 * the KEYP has gone to idle state.
+	 */
 	if (ret >= 0 && (reg & KEYP_IMR1_KP))
 		twl4030_kp_scan(kp, false);
 	else
@@ -283,7 +286,8 @@ static int twl4030_kp_program(struct twl4030_keypad *kp)
 	if (twl4030_kpwrite_u8(kp, reg, KEYP_CTRL) < 0)
 		return -EIO;
 
-	/* NOTE:  we could use sih_setup() here to package keypad
+	/*
+	 * NOTE: we could use sih_setup() here to package keypad
 	 * event sources as four different IRQs ... but we don't.
 	 */
 
@@ -312,7 +316,7 @@ static int twl4030_kp_program(struct twl4030_keypad *kp)
 
 	/*
 	 * Enable Clear-on-Read; disable remembering events that fire
-	 * after the IRQ but before our handler acks (reads) them,
+	 * after the IRQ but before our handler acks (reads) them.
 	 */
 	reg = TWL4030_SIH_CTRL_COR_MASK | TWL4030_SIH_CTRL_PENDDIS_MASK;
 	if (twl4030_kpwrite_u8(kp, reg, KEYP_SIH_CTRL) < 0)
diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c
index 9365535ba..9cc6d057c 100644
--- a/drivers/input/misc/cm109.c
+++ b/drivers/input/misc/cm109.c
@@ -76,8 +76,8 @@ enum {
 
 	BUZZER_ON = 1 << 5,
 
-	/* up to 256 normal keys, up to 16 special keys */
-	KEYMAP_SIZE = 256 + 16,
+	/* up to 256 normal keys, up to 15 special key combinations */
+	KEYMAP_SIZE = 256 + 15,
 };
 
 /* CM109 protocol packet */
@@ -139,7 +139,7 @@ static unsigned short special_keymap(int code)
 {
 	if (code > 0xff) {
 		switch (code - 0xff) {
-		case RECORD_MUTE:	return KEY_MUTE;
+		case RECORD_MUTE:	return KEY_MICMUTE;
 		case PLAYBACK_MUTE:	return KEY_MUTE;
 		case VOLUME_DOWN:	return KEY_VOLUMEDOWN;
 		case VOLUME_UP:		return KEY_VOLUMEUP;
@@ -312,6 +312,32 @@ static void report_key(struct cm109_dev *dev, int key)
 	input_sync(idev);
 }
 
+/*
+ * Converts data of special key presses (volume, mute) into events
+ * for the input subsystem, sends press-n-release for mute keys.
+ */
+static void cm109_report_special(struct cm109_dev *dev)
+{
+	static const u8 autorelease = RECORD_MUTE | PLAYBACK_MUTE;
+	struct input_dev *idev = dev->idev;
+	u8 data = dev->irq_data->byte[HID_IR0];
+	unsigned short keycode;
+	int i;
+
+	for (i = 0; i < 4; i++) {
+		keycode = dev->keymap[0xff + BIT(i)];
+		if (keycode == KEY_RESERVED)
+			continue;
+
+		input_report_key(idev, keycode, data & BIT(i));
+		if (data & autorelease & BIT(i)) {
+			input_sync(idev);
+			input_report_key(idev, keycode, 0);
+		}
+	}
+	input_sync(idev);
+}
+
 /******************************************************************************
  * CM109 usb communication interface
  *****************************************************************************/
@@ -340,6 +366,7 @@ static void cm109_urb_irq_callback(struct urb *urb)
 	struct cm109_dev *dev = urb->context;
 	const int status = urb->status;
 	int error;
+	unsigned long flags;
 
 	dev_dbg(&dev->intf->dev, "### URB IRQ: [0x%02x 0x%02x 0x%02x 0x%02x] keybit=0x%02x\n",
 	     dev->irq_data->byte[0],
@@ -357,10 +384,7 @@ static void cm109_urb_irq_callback(struct urb *urb)
 	}
 
 	/* Special keys */
-	if (dev->irq_data->byte[HID_IR0] & 0x0f) {
-		const int code = (dev->irq_data->byte[HID_IR0] & 0x0f);
-		report_key(dev, dev->keymap[0xff + code]);
-	}
+	cm109_report_special(dev);
 
 	/* Scan key column */
 	if (dev->keybit == 0xf) {
@@ -381,7 +405,7 @@ static void cm109_urb_irq_callback(struct urb *urb)
 
  out:
 
-	spin_lock(&dev->ctl_submit_lock);
+	spin_lock_irqsave(&dev->ctl_submit_lock, flags);
 
 	dev->irq_urb_pending = 0;
 
@@ -405,7 +429,7 @@ static void cm109_urb_irq_callback(struct urb *urb)
 				__func__, error);
 	}
 
-	spin_unlock(&dev->ctl_submit_lock);
+	spin_unlock_irqrestore(&dev->ctl_submit_lock, flags);
 }
 
 static void cm109_urb_ctl_callback(struct urb *urb)
@@ -413,6 +437,7 @@ static void cm109_urb_ctl_callback(struct urb *urb)
 	struct cm109_dev *dev = urb->context;
 	const int status = urb->status;
 	int error;
+	unsigned long flags;
 
 	dev_dbg(&dev->intf->dev, "### URB CTL: [0x%02x 0x%02x 0x%02x 0x%02x]\n",
 	     dev->ctl_data->byte[0],
@@ -427,7 +452,7 @@ static void cm109_urb_ctl_callback(struct urb *urb)
 				    __func__, status);
 	}
 
-	spin_lock(&dev->ctl_submit_lock);
+	spin_lock_irqsave(&dev->ctl_submit_lock, flags);
 
 	dev->ctl_urb_pending = 0;
 
@@ -448,7 +473,7 @@ static void cm109_urb_ctl_callback(struct urb *urb)
 		}
 	}
 
-	spin_unlock(&dev->ctl_submit_lock);
+	spin_unlock_irqrestore(&dev->ctl_submit_lock, flags);
 }
 
 static void cm109_toggle_buzzer_async(struct cm109_dev *dev)
diff --git a/drivers/input/misc/max77693-haptic.c b/drivers/input/misc/max77693-haptic.c
index 6d96bff32..29ddeb7be 100644
--- a/drivers/input/misc/max77693-haptic.c
+++ b/drivers/input/misc/max77693-haptic.c
@@ -70,10 +70,13 @@ struct max77693_haptic {
 
 static int max77693_haptic_set_duty_cycle(struct max77693_haptic *haptic)
 {
-	int delta = (haptic->pwm_dev->period + haptic->pwm_duty) / 2;
+	struct pwm_args pargs;
+	int delta;
 	int error;
 
-	error = pwm_config(haptic->pwm_dev, delta, haptic->pwm_dev->period);
+	pwm_get_args(haptic->pwm_dev, &pargs);
+	delta = (pargs.period + haptic->pwm_duty) / 2;
+	error = pwm_config(haptic->pwm_dev, delta, pargs.period);
 	if (error) {
 		dev_err(haptic->dev, "failed to configure pwm: %d\n", error);
 		return error;
@@ -234,6 +237,7 @@ static int max77693_haptic_play_effect(struct input_dev *dev, void *data,
 				       struct ff_effect *effect)
 {
 	struct max77693_haptic *haptic = input_get_drvdata(dev);
+	struct pwm_args pargs;
 	u64 period_mag_multi;
 
 	haptic->magnitude = effect->u.rumble.strong_magnitude;
@@ -245,7 +249,8 @@ static int max77693_haptic_play_effect(struct input_dev *dev, void *data,
 	 * The formula to convert magnitude to pwm_duty as follows:
 	 * - pwm_duty = (magnitude * pwm_period) / MAX_MAGNITUDE(0xFFFF)
 	 */
-	period_mag_multi = (u64)haptic->pwm_dev->period * haptic->magnitude;
+	pwm_get_args(haptic->pwm_dev, &pargs);
+	period_mag_multi = (u64)pargs.period * haptic->magnitude;
 	haptic->pwm_duty = (unsigned int)(period_mag_multi >>
 						MAX_MAGNITUDE_SHIFT);
 
@@ -329,6 +334,12 @@ static int max77693_haptic_probe(struct platform_device *pdev)
 		return PTR_ERR(haptic->pwm_dev);
 	}
 
+	/*
+	 * FIXME: pwm_apply_args() should be removed when switching to the
+	 * atomic PWM API.
+	 */
+	pwm_apply_args(haptic->pwm_dev);
+
 	haptic->motor_reg = devm_regulator_get(&pdev->dev, "haptic");
 	if (IS_ERR(haptic->motor_reg)) {
 		dev_err(&pdev->dev, "failed to get regulator\n");
diff --git a/drivers/input/misc/max8997_haptic.c b/drivers/input/misc/max8997_haptic.c
index 8d6326d7e..99bc76288 100644
--- a/drivers/input/misc/max8997_haptic.c
+++ b/drivers/input/misc/max8997_haptic.c
@@ -306,6 +306,12 @@ static int max8997_haptic_probe(struct platform_device *pdev)
 				error);
 			goto err_free_mem;
 		}
+
+		/*
+		 * FIXME: pwm_apply_args() should be removed when switching to
+		 * the atomic PWM API.
+		 */
+		pwm_apply_args(chip->pwm);
 		break;
 
 	default:
diff --git a/drivers/input/misc/pwm-beeper.c b/drivers/input/misc/pwm-beeper.c
index 18663d4ed..5f9655d49 100644
--- a/drivers/input/misc/pwm-beeper.c
+++ b/drivers/input/misc/pwm-beeper.c
@@ -115,6 +115,12 @@ static int pwm_beeper_probe(struct platform_device *pdev)
 		goto err_free;
 	}
 
+	/*
+	 * FIXME: pwm_apply_args() should be removed when switching to
+	 * the atomic PWM API.
+	 */
+	pwm_apply_args(beeper->pwm);
+
 	INIT_WORK(&beeper->work, pwm_beeper_work);
 
 	beeper->input = input_allocate_device();
diff --git a/drivers/input/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c
index 96c486de4..c7fc8d4fb 100644
--- a/drivers/input/misc/rotary_encoder.c
+++ b/drivers/input/misc/rotary_encoder.c
@@ -47,13 +47,13 @@ struct rotary_encoder {
 	bool armed;
 	signed char dir;	/* 1 - clockwise, -1 - CCW */
 
-	unsigned last_stable;
+	unsigned int last_stable;
 };
 
-static unsigned rotary_encoder_get_state(struct rotary_encoder *encoder)
+static unsigned int rotary_encoder_get_state(struct rotary_encoder *encoder)
 {
 	int i;
-	unsigned ret = 0;
+	unsigned int ret = 0;
 
 	for (i = 0; i < encoder->gpios->ndescs; ++i) {
 		int val = gpiod_get_value_cansleep(encoder->gpios->desc[i]);
@@ -100,7 +100,7 @@ static void rotary_encoder_report_event(struct rotary_encoder *encoder)
 static irqreturn_t rotary_encoder_irq(int irq, void *dev_id)
 {
 	struct rotary_encoder *encoder = dev_id;
-	unsigned state;
+	unsigned int state;
 
 	mutex_lock(&encoder->access_mutex);
 
diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c
index 42de34b92..5690eb7ff 100644
--- a/drivers/input/misc/twl6040-vibra.c
+++ b/drivers/input/misc/twl6040-vibra.c
@@ -46,7 +46,7 @@ struct vibra_info {
 	struct device *dev;
 	struct input_dev *input_dev;
 	struct work_struct play_work;
-	struct mutex mutex;
+
 	int irq;
 
 	bool enabled;
@@ -190,8 +190,6 @@ static void vibra_play_work(struct work_struct *work)
 		return;
 	}
 
-	mutex_lock(&info->mutex);
-
 	if (info->weak_speed || info->strong_speed) {
 		if (!info->enabled)
 			twl6040_vibra_enable(info);
@@ -200,7 +198,6 @@ static void vibra_play_work(struct work_struct *work)
 	} else if (info->enabled)
 		twl6040_vibra_disable(info);
 
-	mutex_unlock(&info->mutex);
 }
 
 static int vibra_play(struct input_dev *input, void *data,
@@ -223,12 +220,8 @@ static void twl6040_vibra_close(struct input_dev *input)
 
 	cancel_work_sync(&info->play_work);
 
-	mutex_lock(&info->mutex);
-
 	if (info->enabled)
 		twl6040_vibra_disable(info);
-
-	mutex_unlock(&info->mutex);
 }
 
 static int __maybe_unused twl6040_vibra_suspend(struct device *dev)
@@ -236,13 +229,11 @@ static int __maybe_unused twl6040_vibra_suspend(struct device *dev)
 	struct platform_device *pdev = to_platform_device(dev);
 	struct vibra_info *info = platform_get_drvdata(pdev);
 
-	mutex_lock(&info->mutex);
+	cancel_work_sync(&info->play_work);
 
 	if (info->enabled)
 		twl6040_vibra_disable(info);
 
-	mutex_unlock(&info->mutex);
-
 	return 0;
 }
 
@@ -301,8 +292,6 @@ static int twl6040_vibra_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	mutex_init(&info->mutex);
-
 	error = devm_request_threaded_irq(&pdev->dev, info->irq, NULL,
 					  twl6040_vib_irq_handler,
 					  IRQF_ONESHOT,
diff --git a/drivers/input/mouse/byd.c b/drivers/input/mouse/byd.c
index e583f8b50..b27aa637f 100644
--- a/drivers/input/mouse/byd.c
+++ b/drivers/input/mouse/byd.c
@@ -478,7 +478,6 @@ int byd_init(struct psmouse *psmouse)
 	if (!priv)
 		return -ENOMEM;
 
-	memset(priv, 0, sizeof(*priv));
 	setup_timer(&priv->timer, byd_clear_touch, (unsigned long) psmouse);
 
 	psmouse->private = priv;
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 78f93cf68..be5b399da 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1568,13 +1568,7 @@ static int elantech_set_properties(struct elantech_data *etd)
 		case 5:
 			etd->hw_version = 3;
 			break;
-		case 6:
-		case 7:
-		case 8:
-		case 9:
-		case 10:
-		case 13:
-		case 14:
+		case 6 ... 14:
 			etd->hw_version = 4;
 			break;
 		default:
diff --git a/drivers/input/mouse/vmmouse.c b/drivers/input/mouse/vmmouse.c
index a3f0f5a47..0f586780c 100644
--- a/drivers/input/mouse/vmmouse.c
+++ b/drivers/input/mouse/vmmouse.c
@@ -355,18 +355,11 @@ int vmmouse_detect(struct psmouse *psmouse, bool set_properties)
 		return -ENXIO;
 	}
 
-	if (!request_region(VMMOUSE_PROTO_PORT, 4, "vmmouse")) {
-		psmouse_dbg(psmouse, "VMMouse port in use.\n");
-		return -EBUSY;
-	}
-
 	/* Check if the device is present */
 	response = ~VMMOUSE_PROTO_MAGIC;
 	VMMOUSE_CMD(GETVERSION, 0, version, response, dummy1, dummy2);
-	if (response != VMMOUSE_PROTO_MAGIC || version == 0xffffffffU) {
-		release_region(VMMOUSE_PROTO_PORT, 4);
+	if (response != VMMOUSE_PROTO_MAGIC || version == 0xffffffffU)
 		return -ENXIO;
-	}
 
 	if (set_properties) {
 		psmouse->vendor = VMMOUSE_VENDOR;
@@ -374,8 +367,6 @@ int vmmouse_detect(struct psmouse *psmouse, bool set_properties)
 		psmouse->model = version;
 	}
 
-	release_region(VMMOUSE_PROTO_PORT, 4);
-
 	return 0;
 }
 
@@ -394,7 +385,6 @@ static void vmmouse_disconnect(struct psmouse *psmouse)
 	psmouse_reset(psmouse);
 	input_unregister_device(priv->abs_dev);
 	kfree(priv);
-	release_region(VMMOUSE_PROTO_PORT, 4);
 }
 
 /**
@@ -438,15 +428,10 @@ int vmmouse_init(struct psmouse *psmouse)
 	struct input_dev *rel_dev = psmouse->dev, *abs_dev;
 	int error;
 
-	if (!request_region(VMMOUSE_PROTO_PORT, 4, "vmmouse")) {
-		psmouse_dbg(psmouse, "VMMouse port in use.\n");
-		return -EBUSY;
-	}
-
 	psmouse_reset(psmouse);
 	error = vmmouse_enable(psmouse);
 	if (error)
-		goto release_region;
+		return error;
 
 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	abs_dev = input_allocate_device();
@@ -502,8 +487,5 @@ init_fail:
 	kfree(priv);
 	psmouse->private = NULL;
 
-release_region:
-	release_region(VMMOUSE_PROTO_PORT, 4);
-
 	return error;
 }
diff --git a/drivers/input/rmi4/rmi_bus.c b/drivers/input/rmi4/rmi_bus.c
index b368b0515..253df96be 100644
--- a/drivers/input/rmi4/rmi_bus.c
+++ b/drivers/input/rmi4/rmi_bus.c
@@ -157,11 +157,11 @@ static int rmi_function_match(struct device *dev, struct device_driver *drv)
 static void rmi_function_of_probe(struct rmi_function *fn)
 {
 	char of_name[9];
+	struct device_node *node = fn->rmi_dev->xport->dev->of_node;
 
 	snprintf(of_name, sizeof(of_name), "rmi4-f%02x",
 		fn->fd.function_number);
-	fn->dev.of_node = of_find_node_by_name(
-				fn->rmi_dev->xport->dev->of_node, of_name);
+	fn->dev.of_node = of_get_child_by_name(node, of_name);
 }
 #else
 static inline void rmi_function_of_probe(struct rmi_function *fn)
diff --git a/drivers/input/rmi4/rmi_f12.c b/drivers/input/rmi4/rmi_f12.c
index 8dd3fb5e1..88e91559c 100644
--- a/drivers/input/rmi4/rmi_f12.c
+++ b/drivers/input/rmi4/rmi_f12.c
@@ -66,7 +66,7 @@ static int rmi_f12_read_sensor_tuning(struct f12_data *f12)
 	struct rmi_device *rmi_dev = fn->rmi_dev;
 	int ret;
 	int offset;
-	u8 buf[14];
+	u8 buf[15];
 	int pitch_x = 0;
 	int pitch_y = 0;
 	int clip_x_low = 0;
@@ -86,9 +86,10 @@ static int rmi_f12_read_sensor_tuning(struct f12_data *f12)
 
 	offset = rmi_register_desc_calc_reg_offset(&f12->control_reg_desc, 8);
 
-	if (item->reg_size > 14) {
-		dev_err(&fn->dev, "F12 control8 should be 14 bytes, not: %ld\n",
-			item->reg_size);
+	if (item->reg_size > sizeof(buf)) {
+		dev_err(&fn->dev,
+			"F12 control8 should be no bigger than %zd bytes, not: %ld\n",
+			sizeof(buf), item->reg_size);
 		return -ENODEV;
 	}
 
diff --git a/drivers/input/tablet/acecad.c b/drivers/input/tablet/acecad.c
index 889f6b77e..e86e377a9 100644
--- a/drivers/input/tablet/acecad.c
+++ b/drivers/input/tablet/acecad.c
@@ -49,7 +49,6 @@ MODULE_LICENSE(DRIVER_LICENSE);
 struct usb_acecad {
 	char name[128];
 	char phys[64];
-	struct usb_device *usbdev;
 	struct usb_interface *intf;
 	struct input_dev *input;
 	struct urb *irq;
@@ -64,6 +63,7 @@ static void usb_acecad_irq(struct urb *urb)
 	unsigned char *data = acecad->data;
 	struct input_dev *dev = acecad->input;
 	struct usb_interface *intf = acecad->intf;
+	struct usb_device *udev = interface_to_usbdev(intf);
 	int prox, status;
 
 	switch (urb->status) {
@@ -110,15 +110,15 @@ resubmit:
 	if (status)
 		dev_err(&intf->dev,
 			"can't resubmit intr, %s-%s/input0, status %d\n",
-			acecad->usbdev->bus->bus_name,
-			acecad->usbdev->devpath, status);
+			udev->bus->bus_name,
+			udev->devpath, status);
 }
 
 static int usb_acecad_open(struct input_dev *dev)
 {
 	struct usb_acecad *acecad = input_get_drvdata(dev);
 
-	acecad->irq->dev = acecad->usbdev;
+	acecad->irq->dev = interface_to_usbdev(acecad->intf);
 	if (usb_submit_urb(acecad->irq, GFP_KERNEL))
 		return -EIO;
 
@@ -172,7 +172,6 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_
 		goto fail2;
 	}
 
-	acecad->usbdev = dev;
 	acecad->intf = intf;
 	acecad->input = input_dev;
 
@@ -251,12 +250,13 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_
 static void usb_acecad_disconnect(struct usb_interface *intf)
 {
 	struct usb_acecad *acecad = usb_get_intfdata(intf);
+	struct usb_device *udev = interface_to_usbdev(intf);
 
 	usb_set_intfdata(intf, NULL);
 
 	input_unregister_device(acecad->input);
 	usb_free_urb(acecad->irq);
-	usb_free_coherent(acecad->usbdev, 8, acecad->data, acecad->data_dma);
+	usb_free_coherent(udev, 8, acecad->data, acecad->data_dma);
 	kfree(acecad);
 }
 
diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c
index 78ca44840..4613f0aef 100644
--- a/drivers/input/tablet/aiptek.c
+++ b/drivers/input/tablet/aiptek.c
@@ -307,7 +307,6 @@ struct aiptek_settings {
 
 struct aiptek {
 	struct input_dev *inputdev;		/* input device struct           */
-	struct usb_device *usbdev;		/* usb device struct             */
 	struct usb_interface *intf;		/* usb interface struct          */
 	struct urb *urb;			/* urb for incoming reports      */
 	dma_addr_t data_dma;			/* our dma stuffage              */
@@ -847,7 +846,7 @@ static int aiptek_open(struct input_dev *inputdev)
 {
 	struct aiptek *aiptek = input_get_drvdata(inputdev);
 
-	aiptek->urb->dev = aiptek->usbdev;
+	aiptek->urb->dev = interface_to_usbdev(aiptek->intf);
 	if (usb_submit_urb(aiptek->urb, GFP_KERNEL) != 0)
 		return -EIO;
 
@@ -873,8 +872,10 @@ aiptek_set_report(struct aiptek *aiptek,
 		  unsigned char report_type,
 		  unsigned char report_id, void *buffer, int size)
 {
-	return usb_control_msg(aiptek->usbdev,
-			       usb_sndctrlpipe(aiptek->usbdev, 0),
+	struct usb_device *udev = interface_to_usbdev(aiptek->intf);
+
+	return usb_control_msg(udev,
+			       usb_sndctrlpipe(udev, 0),
 			       USB_REQ_SET_REPORT,
 			       USB_TYPE_CLASS | USB_RECIP_INTERFACE |
 			       USB_DIR_OUT, (report_type << 8) + report_id,
@@ -886,8 +887,10 @@ aiptek_get_report(struct aiptek *aiptek,
 		  unsigned char report_type,
 		  unsigned char report_id, void *buffer, int size)
 {
-	return usb_control_msg(aiptek->usbdev,
-			       usb_rcvctrlpipe(aiptek->usbdev, 0),
+	struct usb_device *udev = interface_to_usbdev(aiptek->intf);
+
+	return usb_control_msg(udev,
+			       usb_rcvctrlpipe(udev, 0),
 			       USB_REQ_GET_REPORT,
 			       USB_TYPE_CLASS | USB_RECIP_INTERFACE |
 			       USB_DIR_IN, (report_type << 8) + report_id,
@@ -1729,7 +1732,6 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	}
 
 	aiptek->inputdev = inputdev;
-	aiptek->usbdev = usbdev;
 	aiptek->intf = intf;
 	aiptek->ifnum = intf->altsetting[0].desc.bInterfaceNumber;
 	aiptek->inDelay = 0;
@@ -1833,8 +1835,8 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	 * input.
 	 */
 	usb_fill_int_urb(aiptek->urb,
-			 aiptek->usbdev,
-			 usb_rcvintpipe(aiptek->usbdev,
+			 usbdev,
+			 usb_rcvintpipe(usbdev,
 					endpoint->bEndpointAddress),
 			 aiptek->data, 8, aiptek_irq, aiptek,
 			 endpoint->bInterval);
diff --git a/drivers/input/tablet/gtco.c b/drivers/input/tablet/gtco.c
index 7c18249d6..abf09ac42 100644
--- a/drivers/input/tablet/gtco.c
+++ b/drivers/input/tablet/gtco.c
@@ -104,7 +104,6 @@ MODULE_DEVICE_TABLE (usb, gtco_usbid_table);
 struct gtco {
 
 	struct input_dev  *inputdevice; /* input device struct pointer  */
-	struct usb_device *usbdev; /* the usb device for this device */
 	struct usb_interface *intf;	/* the usb interface for this device */
 	struct urb        *urbinfo;	 /* urb for incoming reports      */
 	dma_addr_t        buf_dma;  /* dma addr of the data buffer*/
@@ -540,7 +539,7 @@ static int gtco_input_open(struct input_dev *inputdev)
 {
 	struct gtco *device = input_get_drvdata(inputdev);
 
-	device->urbinfo->dev = device->usbdev;
+	device->urbinfo->dev = interface_to_usbdev(device->intf);
 	if (usb_submit_urb(device->urbinfo, GFP_KERNEL))
 		return -EIO;
 
@@ -824,6 +823,7 @@ static int gtco_probe(struct usb_interface *usbinterface,
 	int                     result = 0, retry;
 	int			error;
 	struct usb_endpoint_descriptor *endpoint;
+	struct usb_device	*udev = interface_to_usbdev(usbinterface);
 
 	/* Allocate memory for device structure */
 	gtco = kzalloc(sizeof(struct gtco), GFP_KERNEL);
@@ -838,11 +838,10 @@ static int gtco_probe(struct usb_interface *usbinterface,
 	gtco->inputdevice = input_dev;
 
 	/* Save interface information */
-	gtco->usbdev = interface_to_usbdev(usbinterface);
 	gtco->intf = usbinterface;
 
 	/* Allocate some data for incoming reports */
-	gtco->buffer = usb_alloc_coherent(gtco->usbdev, REPORT_MAX_SIZE,
+	gtco->buffer = usb_alloc_coherent(udev, REPORT_MAX_SIZE,
 					  GFP_KERNEL, &gtco->buf_dma);
 	if (!gtco->buffer) {
 		dev_err(&usbinterface->dev, "No more memory for us buffers\n");
@@ -907,8 +906,8 @@ static int gtco_probe(struct usb_interface *usbinterface,
 
 	/* Couple of tries to get reply */
 	for (retry = 0; retry < 3; retry++) {
-		result = usb_control_msg(gtco->usbdev,
-					 usb_rcvctrlpipe(gtco->usbdev, 0),
+		result = usb_control_msg(udev,
+					 usb_rcvctrlpipe(udev, 0),
 					 USB_REQ_GET_DESCRIPTOR,
 					 USB_RECIP_INTERFACE | USB_DIR_IN,
 					 REPORT_DEVICE_TYPE << 8,
@@ -936,7 +935,7 @@ static int gtco_probe(struct usb_interface *usbinterface,
 	}
 
 	/* Create a device file node */
-	usb_make_path(gtco->usbdev, gtco->usbpath, sizeof(gtco->usbpath));
+	usb_make_path(udev, gtco->usbpath, sizeof(gtco->usbpath));
 	strlcat(gtco->usbpath, "/input0", sizeof(gtco->usbpath));
 
 	/* Set Input device functions */
@@ -953,15 +952,15 @@ static int gtco_probe(struct usb_interface *usbinterface,
 	gtco_setup_caps(input_dev);
 
 	/* Set input device required ID information */
-	usb_to_input_id(gtco->usbdev, &input_dev->id);
+	usb_to_input_id(udev, &input_dev->id);
 	input_dev->dev.parent = &usbinterface->dev;
 
 	/* Setup the URB, it will be posted later on open of input device */
 	endpoint = &usbinterface->altsetting[0].endpoint[0].desc;
 
 	usb_fill_int_urb(gtco->urbinfo,
-			 gtco->usbdev,
-			 usb_rcvintpipe(gtco->usbdev,
+			 udev,
+			 usb_rcvintpipe(udev,
 					endpoint->bEndpointAddress),
 			 gtco->buffer,
 			 REPORT_MAX_SIZE,
@@ -985,7 +984,7 @@ static int gtco_probe(struct usb_interface *usbinterface,
  err_free_urb:
 	usb_free_urb(gtco->urbinfo);
  err_free_buf:
-	usb_free_coherent(gtco->usbdev, REPORT_MAX_SIZE,
+	usb_free_coherent(udev, REPORT_MAX_SIZE,
 			  gtco->buffer, gtco->buf_dma);
  err_free_devs:
 	input_free_device(input_dev);
@@ -1002,13 +1001,14 @@ static void gtco_disconnect(struct usb_interface *interface)
 {
 	/* Grab private device ptr */
 	struct gtco *gtco = usb_get_intfdata(interface);
+	struct usb_device *udev = interface_to_usbdev(interface);
 
 	/* Now reverse all the registration stuff */
 	if (gtco) {
 		input_unregister_device(gtco->inputdevice);
 		usb_kill_urb(gtco->urbinfo);
 		usb_free_urb(gtco->urbinfo);
-		usb_free_coherent(gtco->usbdev, REPORT_MAX_SIZE,
+		usb_free_coherent(udev, REPORT_MAX_SIZE,
 				  gtco->buffer, gtco->buf_dma);
 		kfree(gtco);
 	}
diff --git a/drivers/input/tablet/kbtab.c b/drivers/input/tablet/kbtab.c
index d2ac7c2b5..e850d7e8a 100644
--- a/drivers/input/tablet/kbtab.c
+++ b/drivers/input/tablet/kbtab.c
@@ -31,7 +31,6 @@ struct kbtab {
 	unsigned char *data;
 	dma_addr_t data_dma;
 	struct input_dev *dev;
-	struct usb_device *usbdev;
 	struct usb_interface *intf;
 	struct urb *irq;
 	char phys[32];
@@ -99,8 +98,9 @@ MODULE_DEVICE_TABLE(usb, kbtab_ids);
 static int kbtab_open(struct input_dev *dev)
 {
 	struct kbtab *kbtab = input_get_drvdata(dev);
+	struct usb_device *udev = interface_to_usbdev(kbtab->intf);
 
-	kbtab->irq->dev = kbtab->usbdev;
+	kbtab->irq->dev = udev;
 	if (usb_submit_urb(kbtab->irq, GFP_KERNEL))
 		return -EIO;
 
@@ -135,7 +135,6 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i
 	if (!kbtab->irq)
 		goto fail2;
 
-	kbtab->usbdev = dev;
 	kbtab->intf = intf;
 	kbtab->dev = input_dev;
 
@@ -188,12 +187,13 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i
 static void kbtab_disconnect(struct usb_interface *intf)
 {
 	struct kbtab *kbtab = usb_get_intfdata(intf);
+	struct usb_device *udev = interface_to_usbdev(intf);
 
 	usb_set_intfdata(intf, NULL);
 
 	input_unregister_device(kbtab->dev);
 	usb_free_urb(kbtab->irq);
-	usb_free_coherent(kbtab->usbdev, 8, kbtab->data, kbtab->data_dma);
+	usb_free_coherent(udev, 8, kbtab->data, kbtab->data_dma);
 	kfree(kbtab);
 }
 
diff --git a/drivers/input/touchscreen/ad7879.c b/drivers/input/touchscreen/ad7879.c
index 69d299d5d..e4bf1103e 100644
--- a/drivers/input/touchscreen/ad7879.c
+++ b/drivers/input/touchscreen/ad7879.c
@@ -379,7 +379,7 @@ static const struct attribute_group ad7879_attr_group = {
 static int ad7879_gpio_direction_input(struct gpio_chip *chip,
 					unsigned gpio)
 {
-	struct ad7879 *ts = container_of(chip, struct ad7879, gc);
+	struct ad7879 *ts = gpiochip_get_data(chip);
 	int err;
 
 	mutex_lock(&ts->mutex);
@@ -393,7 +393,7 @@ static int ad7879_gpio_direction_input(struct gpio_chip *chip,
 static int ad7879_gpio_direction_output(struct gpio_chip *chip,
 					unsigned gpio, int level)
 {
-	struct ad7879 *ts = container_of(chip, struct ad7879, gc);
+	struct ad7879 *ts = gpiochip_get_data(chip);
 	int err;
 
 	mutex_lock(&ts->mutex);
@@ -412,7 +412,7 @@ static int ad7879_gpio_direction_output(struct gpio_chip *chip,
 
 static int ad7879_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
 {
-	struct ad7879 *ts = container_of(chip, struct ad7879, gc);
+	struct ad7879 *ts = gpiochip_get_data(chip);
 	u16 val;
 
 	mutex_lock(&ts->mutex);
@@ -425,7 +425,7 @@ static int ad7879_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
 static void ad7879_gpio_set_value(struct gpio_chip *chip,
 				  unsigned gpio, int value)
 {
-	struct ad7879 *ts = container_of(chip, struct ad7879, gc);
+	struct ad7879 *ts = gpiochip_get_data(chip);
 
 	mutex_lock(&ts->mutex);
 	if (value)
@@ -456,7 +456,7 @@ static int ad7879_gpio_add(struct ad7879 *ts,
 		ts->gc.owner = THIS_MODULE;
 		ts->gc.parent = ts->dev;
 
-		ret = gpiochip_add(&ts->gc);
+		ret = gpiochip_add_data(&ts->gc, ts);
 		if (ret)
 			dev_err(ts->dev, "failed to register gpio %d\n",
 				ts->gc.base);
diff --git a/drivers/input/touchscreen/bcm_iproc_tsc.c b/drivers/input/touchscreen/bcm_iproc_tsc.c
index ae460a5c9..4d11b27c7 100644
--- a/drivers/input/touchscreen/bcm_iproc_tsc.c
+++ b/drivers/input/touchscreen/bcm_iproc_tsc.c
@@ -23,6 +23,8 @@
 #include <linux/io.h>
 #include <linux/clk.h>
 #include <linux/serio.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
 
 #define IPROC_TS_NAME "iproc-ts"
 
@@ -88,7 +90,11 @@
 #define TS_WIRE_MODE_BIT        BIT(1)
 
 #define dbg_reg(dev, priv, reg) \
-	dev_dbg(dev, "%20s= 0x%08x\n", #reg, readl((priv)->regs + reg))
+do { \
+	u32 val; \
+	regmap_read(priv->regmap, reg, &val); \
+	dev_dbg(dev, "%20s= 0x%08x\n", #reg, val); \
+} while (0)
 
 struct tsc_param {
 	/* Each step is 1024 us.  Valid 1-256 */
@@ -141,7 +147,7 @@ struct iproc_ts_priv {
 	struct platform_device *pdev;
 	struct input_dev *idev;
 
-	void __iomem *regs;
+	struct regmap *regmap;
 	struct clk *tsc_clk;
 
 	int  pen_status;
@@ -196,22 +202,22 @@ static irqreturn_t iproc_touchscreen_interrupt(int irq, void *data)
 	int i;
 	bool needs_sync = false;
 
-	intr_status = readl(priv->regs + INTERRUPT_STATUS);
+	regmap_read(priv->regmap, INTERRUPT_STATUS, &intr_status);
 	intr_status &= TS_PEN_INTR_MASK | TS_FIFO_INTR_MASK;
 	if (intr_status == 0)
 		return IRQ_NONE;
 
 	/* Clear all interrupt status bits, write-1-clear */
-	writel(intr_status, priv->regs + INTERRUPT_STATUS);
-
+	regmap_write(priv->regmap, INTERRUPT_STATUS, intr_status);
 	/* Pen up/down */
 	if (intr_status & TS_PEN_INTR_MASK) {
-		if (readl(priv->regs + CONTROLLER_STATUS) & TS_PEN_DOWN)
+		regmap_read(priv->regmap, CONTROLLER_STATUS, &priv->pen_status);
+		if (priv->pen_status & TS_PEN_DOWN)
 			priv->pen_status = PEN_DOWN_STATUS;
 		else
 			priv->pen_status = PEN_UP_STATUS;
 
-		input_report_key(priv->idev, BTN_TOUCH, priv->pen_status);
+		input_report_key(priv->idev, BTN_TOUCH,	priv->pen_status);
 		needs_sync = true;
 
 		dev_dbg(&priv->pdev->dev,
@@ -221,7 +227,7 @@ static irqreturn_t iproc_touchscreen_interrupt(int irq, void *data)
 	/* coordinates in FIFO exceed the theshold */
 	if (intr_status & TS_FIFO_INTR_MASK) {
 		for (i = 0; i < priv->cfg_params.fifo_threshold; i++) {
-			raw_coordinate = readl(priv->regs + FIFO_DATA);
+			regmap_read(priv->regmap, FIFO_DATA, &raw_coordinate);
 			if (raw_coordinate == INVALID_COORD)
 				continue;
 
@@ -239,7 +245,7 @@ static irqreturn_t iproc_touchscreen_interrupt(int irq, void *data)
 			x = (x >> 4) & 0x0FFF;
 			y = (y >> 4) & 0x0FFF;
 
-			/* adjust x y according to lcd tsc mount angle */
+			/* Adjust x y according to LCD tsc mount angle. */
 			if (priv->cfg_params.invert_x)
 				x = priv->cfg_params.max_x - x;
 
@@ -262,9 +268,10 @@ static irqreturn_t iproc_touchscreen_interrupt(int irq, void *data)
 
 static int iproc_ts_start(struct input_dev *idev)
 {
-	struct iproc_ts_priv *priv = input_get_drvdata(idev);
 	u32 val;
+	u32 mask;
 	int error;
+	struct iproc_ts_priv *priv = input_get_drvdata(idev);
 
 	/* Enable clock */
 	error = clk_prepare_enable(priv->tsc_clk);
@@ -279,9 +286,10 @@ static int iproc_ts_start(struct input_dev *idev)
 	 *  FIFO reaches the int_th value, and pen event(up/down)
 	 */
 	val = TS_PEN_INTR_MASK | TS_FIFO_INTR_MASK;
-	writel(val, priv->regs + INTERRUPT_MASK);
+	regmap_update_bits(priv->regmap, INTERRUPT_MASK, val, val);
 
-	writel(priv->cfg_params.fifo_threshold, priv->regs + INTERRUPT_THRES);
+	val = priv->cfg_params.fifo_threshold;
+	regmap_write(priv->regmap, INTERRUPT_THRES, val);
 
 	/* Initialize control reg1 */
 	val = 0;
@@ -289,26 +297,23 @@ static int iproc_ts_start(struct input_dev *idev)
 	val |= priv->cfg_params.debounce_timeout << DEBOUNCE_TIMEOUT_SHIFT;
 	val |= priv->cfg_params.settling_timeout << SETTLING_TIMEOUT_SHIFT;
 	val |= priv->cfg_params.touch_timeout << TOUCH_TIMEOUT_SHIFT;
-	writel(val, priv->regs + REGCTL1);
+	regmap_write(priv->regmap, REGCTL1, val);
 
 	/* Try to clear all interrupt status */
-	val = readl(priv->regs + INTERRUPT_STATUS);
-	val |= TS_FIFO_INTR_MASK | TS_PEN_INTR_MASK;
-	writel(val, priv->regs + INTERRUPT_STATUS);
+	val = TS_FIFO_INTR_MASK | TS_PEN_INTR_MASK;
+	regmap_update_bits(priv->regmap, INTERRUPT_STATUS, val, val);
 
 	/* Initialize control reg2 */
-	val = readl(priv->regs + REGCTL2);
-	val |= TS_CONTROLLER_EN_BIT | TS_WIRE_MODE_BIT;
-
-	val &= ~TS_CONTROLLER_AVGDATA_MASK;
+	val = TS_CONTROLLER_EN_BIT | TS_WIRE_MODE_BIT;
 	val |= priv->cfg_params.average_data << TS_CONTROLLER_AVGDATA_SHIFT;
 
-	val &= ~(TS_CONTROLLER_PWR_LDO |	/* PWR up LDO */
+	mask = (TS_CONTROLLER_AVGDATA_MASK);
+	mask |= (TS_CONTROLLER_PWR_LDO |	/* PWR up LDO */
 		   TS_CONTROLLER_PWR_ADC |	/* PWR up ADC */
 		   TS_CONTROLLER_PWR_BGP |	/* PWR up BGP */
 		   TS_CONTROLLER_PWR_TS);	/* PWR up TS */
-
-	writel(val, priv->regs + REGCTL2);
+	mask |= val;
+	regmap_update_bits(priv->regmap, REGCTL2, mask, val);
 
 	ts_reg_dump(priv);
 
@@ -320,12 +325,17 @@ static void iproc_ts_stop(struct input_dev *dev)
 	u32 val;
 	struct iproc_ts_priv *priv = input_get_drvdata(dev);
 
-	writel(0, priv->regs + INTERRUPT_MASK); /* Disable all interrupts */
+	/*
+	 * Disable FIFO int_th and pen event(up/down)Interrupts only
+	 * as the interrupt mask register is shared between ADC, TS and
+	 * flextimer.
+	 */
+	val = TS_PEN_INTR_MASK | TS_FIFO_INTR_MASK;
+	regmap_update_bits(priv->regmap, INTERRUPT_MASK, val, 0);
 
 	/* Only power down touch screen controller */
-	val = readl(priv->regs + REGCTL2);
-	val |= TS_CONTROLLER_PWR_TS;
-	writel(val, priv->regs + REGCTL2);
+	val = TS_CONTROLLER_PWR_TS;
+	regmap_update_bits(priv->regmap, REGCTL2, val, val);
 
 	clk_disable(priv->tsc_clk);
 }
@@ -414,7 +424,6 @@ static int iproc_ts_probe(struct platform_device *pdev)
 {
 	struct iproc_ts_priv *priv;
 	struct input_dev *idev;
-	struct resource *res;
 	int irq;
 	int error;
 
@@ -422,12 +431,12 @@ static int iproc_ts_probe(struct platform_device *pdev)
 	if (!priv)
 		return -ENOMEM;
 
-	/* touchscreen controller memory mapped regs */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	priv->regs = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(priv->regs)) {
-		error = PTR_ERR(priv->regs);
-		dev_err(&pdev->dev, "unable to map I/O memory: %d\n", error);
+	/* touchscreen controller memory mapped regs via syscon*/
+	priv->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
+							"ts_syscon");
+	if (IS_ERR(priv->regmap)) {
+		error = PTR_ERR(priv->regmap);
+		dev_err(&pdev->dev, "unable to map I/O memory:%d\n", error);
 		return error;
 	}
 
diff --git a/drivers/input/touchscreen/cyttsp4_core.c b/drivers/input/touchscreen/cyttsp4_core.c
index 5ed310574..44deca88c 100644
--- a/drivers/input/touchscreen/cyttsp4_core.c
+++ b/drivers/input/touchscreen/cyttsp4_core.c
@@ -1499,7 +1499,7 @@ static int cyttsp4_core_sleep_(struct cyttsp4 *cd)
 
 	if (IS_BOOTLOADER(mode[0], mode[1])) {
 		mutex_unlock(&cd->system_lock);
-		dev_err(cd->dev, "%s: Device in BOOTLADER mode.\n", __func__);
+		dev_err(cd->dev, "%s: Device in BOOTLOADER mode.\n", __func__);
 		rc = -EINVAL;
 		goto error;
 	}
diff --git a/drivers/input/touchscreen/sun4i-ts.c b/drivers/input/touchscreen/sun4i-ts.c
index 485794376..d07dd29d4 100644
--- a/drivers/input/touchscreen/sun4i-ts.c
+++ b/drivers/input/touchscreen/sun4i-ts.c
@@ -115,7 +115,6 @@
 struct sun4i_ts_data {
 	struct device *dev;
 	struct input_dev *input;
-	struct thermal_zone_device *tz;
 	void __iomem *base;
 	unsigned int irq;
 	bool ignore_fifo_data;
@@ -366,10 +365,7 @@ static int sun4i_ts_probe(struct platform_device *pdev)
 	if (IS_ERR(hwmon))
 		return PTR_ERR(hwmon);
 
-	ts->tz = thermal_zone_of_sensor_register(ts->dev, 0, ts,
-						 &sun4i_ts_tz_ops);
-	if (IS_ERR(ts->tz))
-		ts->tz = NULL;
+	devm_thermal_zone_of_sensor_register(ts->dev, 0, ts, &sun4i_ts_tz_ops);
 
 	writel(TEMP_IRQ_EN(1), ts->base + TP_INT_FIFOC);
 
@@ -377,7 +373,6 @@ static int sun4i_ts_probe(struct platform_device *pdev)
 		error = input_register_device(ts->input);
 		if (error) {
 			writel(0, ts->base + TP_INT_FIFOC);
-			thermal_zone_of_sensor_unregister(ts->dev, ts->tz);
 			return error;
 		}
 	}
@@ -394,8 +389,6 @@ static int sun4i_ts_remove(struct platform_device *pdev)
 	if (ts->input)
 		input_unregister_device(ts->input);
 
-	thermal_zone_of_sensor_unregister(ts->dev, ts->tz);
-
 	/* Deactivate all IRQs */
 	writel(0, ts->base + TP_INT_FIFOC);
 
diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c
index a21a07c3a..8b3f15ca7 100644
--- a/drivers/input/touchscreen/ti_am335x_tsc.c
+++ b/drivers/input/touchscreen/ti_am335x_tsc.c
@@ -487,8 +487,7 @@ static int titsc_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM
-static int titsc_suspend(struct device *dev)
+static int __maybe_unused titsc_suspend(struct device *dev)
 {
 	struct titsc *ts_dev = dev_get_drvdata(dev);
 	struct ti_tscadc_dev *tscadc_dev;
@@ -504,7 +503,7 @@ static int titsc_suspend(struct device *dev)
 	return 0;
 }
 
-static int titsc_resume(struct device *dev)
+static int __maybe_unused titsc_resume(struct device *dev)
 {
 	struct titsc *ts_dev = dev_get_drvdata(dev);
 	struct ti_tscadc_dev *tscadc_dev;
@@ -521,14 +520,7 @@ static int titsc_resume(struct device *dev)
 	return 0;
 }
 
-static const struct dev_pm_ops titsc_pm_ops = {
-	.suspend = titsc_suspend,
-	.resume  = titsc_resume,
-};
-#define TITSC_PM_OPS (&titsc_pm_ops)
-#else
-#define TITSC_PM_OPS NULL
-#endif
+static SIMPLE_DEV_PM_OPS(titsc_pm_ops, titsc_suspend, titsc_resume);
 
 static const struct of_device_id ti_tsc_dt_ids[] = {
 	{ .compatible = "ti,am3359-tsc", },
@@ -541,7 +533,7 @@ static struct platform_driver ti_tsc_driver = {
 	.remove	= titsc_remove,
 	.driver	= {
 		.name   = "TI-am335x-tsc",
-		.pm	= TITSC_PM_OPS,
+		.pm	= &titsc_pm_ops,
 		.of_match_table = ti_tsc_dt_ids,
 	},
 };
diff --git a/drivers/input/touchscreen/ts4800-ts.c b/drivers/input/touchscreen/ts4800-ts.c
index 3c3dd7830..fed73eeb4 100644
--- a/drivers/input/touchscreen/ts4800-ts.c
+++ b/drivers/input/touchscreen/ts4800-ts.c
@@ -118,6 +118,13 @@ static int ts4800_parse_dt(struct platform_device *pdev,
 		return -ENODEV;
 	}
 
+	ts->regmap = syscon_node_to_regmap(syscon_np);
+	of_node_put(syscon_np);
+	if (IS_ERR(ts->regmap)) {
+		dev_err(dev, "cannot get parent's regmap\n");
+		return PTR_ERR(ts->regmap);
+	}
+
 	error = of_property_read_u32_index(np, "syscon", 1, &reg);
 	if (error < 0) {
 		dev_err(dev, "no offset in syscon\n");
@@ -134,12 +141,6 @@ static int ts4800_parse_dt(struct platform_device *pdev,
 
 	ts->bit = BIT(bit);
 
-	ts->regmap = syscon_node_to_regmap(syscon_np);
-	if (IS_ERR(ts->regmap)) {
-		dev_err(dev, "cannot get parent's regmap\n");
-		return PTR_ERR(ts->regmap);
-	}
-
 	return 0;
 }
 
diff --git a/drivers/input/touchscreen/tsc2004.c b/drivers/input/touchscreen/tsc2004.c
index 7295c198a..6fe55d598 100644
--- a/drivers/input/touchscreen/tsc2004.c
+++ b/drivers/input/touchscreen/tsc2004.c
@@ -22,6 +22,11 @@
 #include <linux/regmap.h>
 #include "tsc200x-core.h"
 
+static const struct input_id tsc2004_input_id = {
+	.bustype = BUS_I2C,
+	.product = 2004,
+};
+
 static int tsc2004_cmd(struct device *dev, u8 cmd)
 {
 	u8 tx = TSC200X_CMD | TSC200X_CMD_12BIT | cmd;
@@ -42,7 +47,7 @@ static int tsc2004_probe(struct i2c_client *i2c,
 			 const struct i2c_device_id *id)
 
 {
-	return tsc200x_probe(&i2c->dev, i2c->irq, BUS_I2C,
+	return tsc200x_probe(&i2c->dev, i2c->irq, &tsc2004_input_id,
 			     devm_regmap_init_i2c(i2c, &tsc200x_regmap_config),
 			     tsc2004_cmd);
 }
diff --git a/drivers/input/touchscreen/tsc2005.c b/drivers/input/touchscreen/tsc2005.c
index b9f593dfd..f2c5f0e47 100644
--- a/drivers/input/touchscreen/tsc2005.c
+++ b/drivers/input/touchscreen/tsc2005.c
@@ -24,6 +24,11 @@
 #include <linux/regmap.h>
 #include "tsc200x-core.h"
 
+static const struct input_id tsc2005_input_id = {
+	.bustype = BUS_SPI,
+	.product = 2005,
+};
+
 static int tsc2005_cmd(struct device *dev, u8 cmd)
 {
 	u8 tx = TSC200X_CMD | TSC200X_CMD_12BIT | cmd;
@@ -62,7 +67,7 @@ static int tsc2005_probe(struct spi_device *spi)
 	if (error)
 		return error;
 
-	return tsc200x_probe(&spi->dev, spi->irq, BUS_SPI,
+	return tsc200x_probe(&spi->dev, spi->irq, &tsc2005_input_id,
 			     devm_regmap_init_spi(spi, &tsc200x_regmap_config),
 			     tsc2005_cmd);
 }
diff --git a/drivers/input/touchscreen/tsc200x-core.c b/drivers/input/touchscreen/tsc200x-core.c
index 15240c1ee..dfa7f1c4f 100644
--- a/drivers/input/touchscreen/tsc200x-core.c
+++ b/drivers/input/touchscreen/tsc200x-core.c
@@ -450,7 +450,7 @@ static void tsc200x_close(struct input_dev *input)
 	mutex_unlock(&ts->mutex);
 }
 
-int tsc200x_probe(struct device *dev, int irq, __u16 bustype,
+int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id,
 		  struct regmap *regmap,
 		  int (*tsc200x_cmd)(struct device *dev, u8 cmd))
 {
@@ -547,9 +547,18 @@ int tsc200x_probe(struct device *dev, int irq, __u16 bustype,
 	snprintf(ts->phys, sizeof(ts->phys),
 		 "%s/input-ts", dev_name(dev));
 
-	input_dev->name = "TSC200X touchscreen";
+	if (tsc_id->product == 2004) {
+		input_dev->name = "TSC200X touchscreen";
+	} else {
+		input_dev->name = devm_kasprintf(dev, GFP_KERNEL,
+						 "TSC%04d touchscreen",
+						 tsc_id->product);
+		if (!input_dev->name)
+			return -ENOMEM;
+	}
+
 	input_dev->phys = ts->phys;
-	input_dev->id.bustype = bustype;
+	input_dev->id = *tsc_id;
 	input_dev->dev.parent = dev;
 	input_dev->evbit[0] = BIT(EV_ABS) | BIT(EV_KEY);
 	input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
diff --git a/drivers/input/touchscreen/tsc200x-core.h b/drivers/input/touchscreen/tsc200x-core.h
index 7a482d102..49a63a3c6 100644
--- a/drivers/input/touchscreen/tsc200x-core.h
+++ b/drivers/input/touchscreen/tsc200x-core.h
@@ -70,7 +70,7 @@
 extern const struct regmap_config tsc200x_regmap_config;
 extern const struct dev_pm_ops tsc200x_pm_ops;
 
-int tsc200x_probe(struct device *dev, int irq, __u16 bustype,
+int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id,
 		  struct regmap *regmap,
 		  int (*tsc200x_cmd)(struct device *dev, u8 cmd));
 int tsc200x_remove(struct device *dev);
diff --git a/drivers/input/touchscreen/wacom_w8001.c b/drivers/input/touchscreen/wacom_w8001.c
index bab3c6acf..b6fc4bde7 100644
--- a/drivers/input/touchscreen/wacom_w8001.c
+++ b/drivers/input/touchscreen/wacom_w8001.c
@@ -27,7 +27,7 @@ MODULE_AUTHOR("Jaya Kumar <jayakumar.lkml@gmail.com>");
 MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE("GPL");
 
-#define W8001_MAX_LENGTH	11
+#define W8001_MAX_LENGTH	13
 #define W8001_LEAD_MASK		0x80
 #define W8001_LEAD_BYTE		0x80
 #define W8001_TAB_MASK		0x40
@@ -155,6 +155,7 @@ static void parse_multi_touch(struct w8001 *w8001)
 		bool touch = data[0] & (1 << i);
 
 		input_mt_slot(dev, i);
+		input_mt_report_slot_state(dev, MT_TOOL_FINGER, touch);
 		if (touch) {
 			x = (data[6 * i + 1] << 7) | data[6 * i + 2];
 			y = (data[6 * i + 3] << 7) | data[6 * i + 4];
@@ -339,6 +340,15 @@ static irqreturn_t w8001_interrupt(struct serio *serio,
 		w8001->idx = 0;
 		parse_multi_touch(w8001);
 		break;
+
+	default:
+		/*
+		 * ThinkPad X60 Tablet PC (pen only device) sometimes
+		 * sends invalid data packets that are larger than
+		 * W8001_PKTLEN_TPCPEN. Let's start over again.
+		 */
+		if (!w8001->touch_dev && w8001->idx > W8001_PKTLEN_TPCPEN - 1)
+			w8001->idx = 0;
 	}
 
 	return IRQ_HANDLED;
@@ -513,6 +523,8 @@ static int w8001_setup_touch(struct w8001 *w8001, char *basename,
 					0, touch.x, 0, 0);
 		input_set_abs_params(dev, ABS_MT_POSITION_Y,
 					0, touch.y, 0, 0);
+		input_set_abs_params(dev, ABS_MT_TOOL_TYPE,
+					0, MT_TOOL_MAX, 0, 0);
 
 		strlcat(basename, " 2FG", basename_sz);
 		if (w8001->max_pen_x && w8001->max_pen_y)