Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input subsystem updates from Dmitry Torokhov:
 "Just a swath of driver fixes and cleanups, no new drivers this time
  (although ALPS now supports one of the newer protocols, more to come)"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (57 commits)
  Input: wacom - add support for DTU-1031
  Input: wacom - fix wacom->shared guards for dual input devices
  Input: edt_ft5x06 - use devm_* functions where appropriate
  Input: hyperv-keyboard - pass through 0xE1 prefix
  Input: logips2pp - fix spelling s/reciver/receiver/
  Input: delete non-required instances of include <linux/init.h>
  Input: twl4030-keypad - convert to using managed resources
  Input: twl6040-vibra - remove unneeded check for CONFIG_OF
  Input: twl4030-keypad - add device tree support
  Input: twl6040-vibra - add missing of_node_put
  Input: twl4030-vibra - add missing of_node_put
  Input: i8042 - cleanup SERIO_I8042 dependencies
  Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on x86
  Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on unicore32
  Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on sparc
  Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO for SH_CAYMAN
  Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on powerpc
  Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on mips
  Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on IA64
  Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on ARM/Footbridge
  ...

41 files changed, 132 insertions, 135 deletions

diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index bb174c1a988..a673c9f3a0b 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -525,7 +525,7 @@ config KEYBOARD_SUNKBD
 
 config KEYBOARD_SH_KEYSC
 	tristate "SuperH KEYSC keypad support"
-	depends on SUPERH || ARM || COMPILE_TEST
+	depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST
 	help
 	  Say Y here if you want to use a keypad attached to the KEYSC block
 	  on SuperH processors such as sh7722 and sh7343.
diff --git a/drivers/input/keyboard/adp5520-keys.c b/drivers/input/keyboard/adp5520-keys.c
index ef26b17fb15..4cc14c2fa7d 100644
--- a/drivers/input/keyboard/adp5520-keys.c
+++ b/drivers/input/keyboard/adp5520-keys.c
@@ -8,7 +8,6 @@
 
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/input.h>
 #include <linux/mfd/adp5520.h>
@@ -71,7 +70,7 @@ static int adp5520_keys_notifier(struct notifier_block *nb,
 
 static int adp5520_keys_probe(struct platform_device *pdev)
 {
-	struct adp5520_keys_platform_data *pdata = pdev->dev.platform_data;
+	struct adp5520_keys_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	struct input_dev *input;
 	struct adp5520_keys *dev;
 	int ret, i;
diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c
index 3ed23513d88..bb3b57bea8b 100644
--- a/drivers/input/keyboard/adp5588-keys.c
+++ b/drivers/input/keyboard/adp5588-keys.c
@@ -9,7 +9,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/workqueue.h>
@@ -173,7 +172,7 @@ static int adp5588_build_gpiomap(struct adp5588_kpad *kpad,
 static int adp5588_gpio_add(struct adp5588_kpad *kpad)
 {
 	struct device *dev = &kpad->client->dev;
-	const struct adp5588_kpad_platform_data *pdata = dev->platform_data;
+	const struct adp5588_kpad_platform_data *pdata = dev_get_platdata(dev);
 	const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data;
 	int i, error;
 
@@ -227,7 +226,7 @@ static int adp5588_gpio_add(struct adp5588_kpad *kpad)
 static void adp5588_gpio_remove(struct adp5588_kpad *kpad)
 {
 	struct device *dev = &kpad->client->dev;
-	const struct adp5588_kpad_platform_data *pdata = dev->platform_data;
+	const struct adp5588_kpad_platform_data *pdata = dev_get_platdata(dev);
 	const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data;
 	int error;
 
@@ -321,7 +320,8 @@ static irqreturn_t adp5588_irq(int irq, void *handle)
 
 static int adp5588_setup(struct i2c_client *client)
 {
-	const struct adp5588_kpad_platform_data *pdata = client->dev.platform_data;
+	const struct adp5588_kpad_platform_data *pdata =
+			dev_get_platdata(&client->dev);
 	const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data;
 	int i, ret;
 	unsigned char evt_mode1 = 0, evt_mode2 = 0, evt_mode3 = 0;
@@ -424,7 +424,8 @@ static int adp5588_probe(struct i2c_client *client,
 			 const struct i2c_device_id *id)
 {
 	struct adp5588_kpad *kpad;
-	const struct adp5588_kpad_platform_data *pdata = client->dev.platform_data;
+	const struct adp5588_kpad_platform_data *pdata =
+			dev_get_platdata(&client->dev);
 	struct input_dev *input;
 	unsigned int revid;
 	int ret, i;
diff --git a/drivers/input/keyboard/adp5589-keys.c b/drivers/input/keyboard/adp5589-keys.c
index 60dafd4fa69..6329549bf6a 100644
--- a/drivers/input/keyboard/adp5589-keys.c
+++ b/drivers/input/keyboard/adp5589-keys.c
@@ -8,7 +8,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/workqueue.h>
@@ -499,7 +498,7 @@ static int adp5589_build_gpiomap(struct adp5589_kpad *kpad,
 static int adp5589_gpio_add(struct adp5589_kpad *kpad)
 {
 	struct device *dev = &kpad->client->dev;
-	const struct adp5589_kpad_platform_data *pdata = dev->platform_data;
+	const struct adp5589_kpad_platform_data *pdata = dev_get_platdata(dev);
 	const struct adp5589_gpio_platform_data *gpio_data = pdata->gpio_data;
 	int i, error;
 
@@ -553,7 +552,7 @@ static int adp5589_gpio_add(struct adp5589_kpad *kpad)
 static void adp5589_gpio_remove(struct adp5589_kpad *kpad)
 {
 	struct device *dev = &kpad->client->dev;
-	const struct adp5589_kpad_platform_data *pdata = dev->platform_data;
+	const struct adp5589_kpad_platform_data *pdata = dev_get_platdata(dev);
 	const struct adp5589_gpio_platform_data *gpio_data = pdata->gpio_data;
 	int error;
 
@@ -658,7 +657,7 @@ static int adp5589_setup(struct adp5589_kpad *kpad)
 {
 	struct i2c_client *client = kpad->client;
 	const struct adp5589_kpad_platform_data *pdata =
-		client->dev.platform_data;
+		dev_get_platdata(&client->dev);
 	u8 (*reg) (u8) = kpad->var->reg;
 	unsigned char evt_mode1 = 0, evt_mode2 = 0, evt_mode3 = 0;
 	unsigned char pull_mask = 0;
@@ -864,7 +863,7 @@ static int adp5589_probe(struct i2c_client *client,
 {
 	struct adp5589_kpad *kpad;
 	const struct adp5589_kpad_platform_data *pdata =
-		client->dev.platform_data;
+		dev_get_platdata(&client->dev);
 	struct input_dev *input;
 	unsigned int revid;
 	int ret, i;
diff --git a/drivers/input/keyboard/bf54x-keys.c b/drivers/input/keyboard/bf54x-keys.c
index 09b91d09308..e6d46c5994d 100644
--- a/drivers/input/keyboard/bf54x-keys.c
+++ b/drivers/input/keyboard/bf54x-keys.c
@@ -30,7 +30,6 @@
 
 #include <linux/module.h>
 
-#include <linux/init.h>
 #include <linux/fs.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
@@ -180,7 +179,7 @@ static irqreturn_t bfin_kpad_isr(int irq, void *dev_id)
 static int bfin_kpad_probe(struct platform_device *pdev)
 {
 	struct bf54x_kpad *bf54x_kpad;
-	struct bfin_kpad_platform_data *pdata = pdev->dev.platform_data;
+	struct bfin_kpad_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	struct input_dev *input;
 	int i, error;
 
@@ -333,7 +332,7 @@ out:
 
 static int bfin_kpad_remove(struct platform_device *pdev)
 {
-	struct bfin_kpad_platform_data *pdata = pdev->dev.platform_data;
+	struct bfin_kpad_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	struct bf54x_kpad *bf54x_kpad = platform_get_drvdata(pdev);
 
 	del_timer_sync(&bf54x_kpad->timer);
diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c
index 7e8b0a52af2..408379669d3 100644
--- a/drivers/input/keyboard/cros_ec_keyb.c
+++ b/drivers/input/keyboard/cros_ec_keyb.c
@@ -38,6 +38,7 @@
  * @row_shift: log2 or number of rows, rounded up
  * @keymap_data: Matrix keymap data used to convert to keyscan values
  * @ghost_filter: true to enable the matrix key-ghosting filter
+ * @old_kb_state: bitmap of keys pressed last scan
  * @dev: Device pointer
  * @idev: Input device
  * @ec: Top level ChromeOS device to use to talk to EC
@@ -49,6 +50,7 @@ struct cros_ec_keyb {
 	int row_shift;
 	const struct matrix_keymap_data *keymap_data;
 	bool ghost_filter;
+	uint8_t *old_kb_state;
 
 	struct device *dev;
 	struct input_dev *idev;
@@ -135,6 +137,7 @@ static void cros_ec_keyb_process(struct cros_ec_keyb *ckdev,
 	struct input_dev *idev = ckdev->idev;
 	int col, row;
 	int new_state;
+	int old_state;
 	int num_cols;
 
 	num_cols = len;
@@ -153,18 +156,19 @@ static void cros_ec_keyb_process(struct cros_ec_keyb *ckdev,
 		for (row = 0; row < ckdev->rows; row++) {
 			int pos = MATRIX_SCAN_CODE(row, col, ckdev->row_shift);
 			const unsigned short *keycodes = idev->keycode;
-			int code;
 
-			code = keycodes[pos];
 			new_state = kb_state[col] & (1 << row);
-			if (!!new_state != test_bit(code, idev->key)) {
+			old_state = ckdev->old_kb_state[col] & (1 << row);
+			if (new_state != old_state) {
 				dev_dbg(ckdev->dev,
 					"changed: [r%d c%d]: byte %02x\n",
 					row, col, new_state);
 
-				input_report_key(idev, code, new_state);
+				input_report_key(idev, keycodes[pos],
+						 new_state);
 			}
 		}
+		ckdev->old_kb_state[col] = kb_state[col];
 	}
 	input_sync(ckdev->idev);
 }
@@ -226,6 +230,9 @@ static int cros_ec_keyb_probe(struct platform_device *pdev)
 					    &ckdev->cols);
 	if (err)
 		return err;
+	ckdev->old_kb_state = devm_kzalloc(&pdev->dev, ckdev->cols, GFP_KERNEL);
+	if (!ckdev->old_kb_state)
+		return -ENOMEM;
 
 	idev = devm_input_allocate_device(&pdev->dev);
 	if (!idev)
diff --git a/drivers/input/keyboard/davinci_keyscan.c b/drivers/input/keyboard/davinci_keyscan.c
index d15977a8361..1559dc1cf95 100644
--- a/drivers/input/keyboard/davinci_keyscan.c
+++ b/drivers/input/keyboard/davinci_keyscan.c
@@ -172,7 +172,7 @@ static int __init davinci_ks_probe(struct platform_device *pdev)
 	struct input_dev *key_dev;
 	struct resource *res, *mem;
 	struct device *dev = &pdev->dev;
-	struct davinci_ks_platform_data *pdata = pdev->dev.platform_data;
+	struct davinci_ks_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	int error, i;
 
 	if (pdata->device_enable) {
diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
index 47206bdba41..e59876212b8 100644
--- a/drivers/input/keyboard/ep93xx_keypad.c
+++ b/drivers/input/keyboard/ep93xx_keypad.c
@@ -244,7 +244,7 @@ static int ep93xx_keypad_probe(struct platform_device *pdev)
 	if (!keypad)
 		return -ENOMEM;
 
-	keypad->pdata = pdev->dev.platform_data;
+	keypad->pdata = dev_get_platdata(&pdev->dev);
 	if (!keypad->pdata) {
 		err = -EINVAL;
 		goto failed_free;
diff --git a/drivers/input/keyboard/goldfish_events.c b/drivers/input/keyboard/goldfish_events.c
index 9f60a2ec88d..69e85476337 100644
--- a/drivers/input/keyboard/goldfish_events.c
+++ b/drivers/input/keyboard/goldfish_events.c
@@ -14,7 +14,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/types.h>
 #include <linux/input.h>
diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c
index 4e428199e58..e571e194ff8 100644
--- a/drivers/input/keyboard/gpio_keys_polled.c
+++ b/drivers/input/keyboard/gpio_keys_polled.c
@@ -17,7 +17,6 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/input.h>
 #include <linux/input-polldev.h>
diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c
index 589e3c258f3..610a8af795a 100644
--- a/drivers/input/keyboard/hil_kbd.c
+++ b/drivers/input/keyboard/hil_kbd.c
@@ -36,7 +36,6 @@
 #include <linux/serio.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/completion.h>
 #include <linux/slab.h>
 #include <linux/pci_ids.h>
diff --git a/drivers/input/keyboard/imx_keypad.c b/drivers/input/keyboard/imx_keypad.c
index 328cfc1eed9..cbf4f8038cb 100644
--- a/drivers/input/keyboard/imx_keypad.c
+++ b/drivers/input/keyboard/imx_keypad.c
@@ -13,7 +13,6 @@
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/err.h>
-#include <linux/init.h>
 #include <linux/input/matrix_keypad.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
@@ -425,7 +424,8 @@ MODULE_DEVICE_TABLE(of, imx_keypad_of_match);
 
 static int imx_keypad_probe(struct platform_device *pdev)
 {
-	const struct matrix_keymap_data *keymap_data = pdev->dev.platform_data;
+	const struct matrix_keymap_data *keymap_data =
+			dev_get_platdata(&pdev->dev);
 	struct imx_keypad *keypad;
 	struct input_dev *input_dev;
 	struct resource *res;
diff --git a/drivers/input/keyboard/jornada680_kbd.c b/drivers/input/keyboard/jornada680_kbd.c
index a2a034c25f0..69b1f002ff5 100644
--- a/drivers/input/keyboard/jornada680_kbd.c
+++ b/drivers/input/keyboard/jornada680_kbd.c
@@ -16,7 +16,6 @@
  * published by the Free Software Foundation.
  */
 
-#include <linux/init.h>
 #include <linux/input.h>
 #include <linux/input-polldev.h>
 #include <linux/interrupt.h>
diff --git a/drivers/input/keyboard/jornada720_kbd.c b/drivers/input/keyboard/jornada720_kbd.c
index b0ad457ca9d..cd729d485e9 100644
--- a/drivers/input/keyboard/jornada720_kbd.c
+++ b/drivers/input/keyboard/jornada720_kbd.c
@@ -18,7 +18,6 @@
 #include <linux/device.h>
 #include <linux/errno.h>
 #include <linux/interrupt.h>
-#include <linux/init.h>
 #include <linux/input.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
diff --git a/drivers/input/keyboard/lkkbd.c b/drivers/input/keyboard/lkkbd.c
index fc0a63c2f27..9fcd9f1d5dc 100644
--- a/drivers/input/keyboard/lkkbd.c
+++ b/drivers/input/keyboard/lkkbd.c
@@ -65,7 +65,6 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/interrupt.h>
-#include <linux/init.h>
 #include <linux/input.h>
 #include <linux/serio.h>
 #include <linux/workqueue.h>
diff --git a/drivers/input/keyboard/lm8323.c b/drivers/input/keyboard/lm8323.c
index 0de23f41b2d..0b42118cbf8 100644
--- a/drivers/input/keyboard/lm8323.c
+++ b/drivers/input/keyboard/lm8323.c
@@ -627,7 +627,7 @@ static DEVICE_ATTR(disable_kp, 0644, lm8323_show_disable, lm8323_set_disable);
 static int lm8323_probe(struct i2c_client *client,
 				  const struct i2c_device_id *id)
 {
-	struct lm8323_platform_data *pdata = client->dev.platform_data;
+	struct lm8323_platform_data *pdata = dev_get_platdata(&client->dev);
 	struct input_dev *idev;
 	struct lm8323_chip *lm;
 	int pwm;
diff --git a/drivers/input/keyboard/lm8333.c b/drivers/input/keyboard/lm8333.c
index 5a8ca35dc9a..9081cbef11e 100644
--- a/drivers/input/keyboard/lm8333.c
+++ b/drivers/input/keyboard/lm8333.c
@@ -131,7 +131,8 @@ static irqreturn_t lm8333_irq_thread(int irq, void *data)
 static int lm8333_probe(struct i2c_client *client,
 				  const struct i2c_device_id *id)
 {
-	const struct lm8333_platform_data *pdata = client->dev.platform_data;
+	const struct lm8333_platform_data *pdata =
+			dev_get_platdata(&client->dev);
 	struct lm8333 *lm8333;
 	struct input_dev *input;
 	int err, active_time;
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
index 90ff73ace42..8d2e19e81e1 100644
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@@ -14,7 +14,6 @@
 #include <linux/types.h>
 #include <linux/delay.h>
 #include <linux/platform_device.h>
-#include <linux/init.h>
 #include <linux/input.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
diff --git a/drivers/input/keyboard/max7359_keypad.c b/drivers/input/keyboard/max7359_keypad.c
index bc2cdaf563f..430b5453972 100644
--- a/drivers/input/keyboard/max7359_keypad.c
+++ b/drivers/input/keyboard/max7359_keypad.c
@@ -182,7 +182,8 @@ static void max7359_initialize(struct i2c_client *client)
 static int max7359_probe(struct i2c_client *client,
 					const struct i2c_device_id *id)
 {
-	const struct matrix_keymap_data *keymap_data = client->dev.platform_data;
+	const struct matrix_keymap_data *keymap_data =
+			dev_get_platdata(&client->dev);
 	struct max7359_keypad *keypad;
 	struct input_dev *input_dev;
 	int ret;
diff --git a/drivers/input/keyboard/mcs_touchkey.c b/drivers/input/keyboard/mcs_touchkey.c
index 7c236f9c6a5..1da8e0b44b5 100644
--- a/drivers/input/keyboard/mcs_touchkey.c
+++ b/drivers/input/keyboard/mcs_touchkey.c
@@ -12,7 +12,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/i2c.h>
 #include <linux/i2c/mcs.h>
 #include <linux/interrupt.h>
@@ -108,7 +107,7 @@ static int mcs_touchkey_probe(struct i2c_client *client,
 	int error;
 	int i;
 
-	pdata = client->dev.platform_data;
+	pdata = dev_get_platdata(&client->dev);
 	if (!pdata) {
 		dev_err(&client->dev, "no platform data defined\n");
 		return -EINVAL;
diff --git a/drivers/input/keyboard/mpr121_touchkey.c b/drivers/input/keyboard/mpr121_touchkey.c
index f7f3e9a9fd3..009c82256e8 100644
--- a/drivers/input/keyboard/mpr121_touchkey.c
+++ b/drivers/input/keyboard/mpr121_touchkey.c
@@ -13,7 +13,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/input.h>
 #include <linux/i2c.h>
 #include <linux/slab.h>
@@ -188,7 +187,8 @@ err_i2c_write:
 static int mpr_touchkey_probe(struct i2c_client *client,
 			      const struct i2c_device_id *id)
 {
-	const struct mpr121_platform_data *pdata = client->dev.platform_data;
+	const struct mpr121_platform_data *pdata =
+			dev_get_platdata(&client->dev);
 	struct mpr121_touchkey *mpr121;
 	struct input_dev *input_dev;
 	int error;
diff --git a/drivers/input/keyboard/newtonkbd.c b/drivers/input/keyboard/newtonkbd.c
index f971898ad59..20f04437799 100644
--- a/drivers/input/keyboard/newtonkbd.c
+++ b/drivers/input/keyboard/newtonkbd.c
@@ -29,7 +29,6 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/input.h>
-#include <linux/init.h>
 #include <linux/serio.h>
 
 #define DRIVER_DESC	"Newton keyboard driver"
diff --git a/drivers/input/keyboard/nomadik-ske-keypad.c b/drivers/input/keyboard/nomadik-ske-keypad.c
index c7d505cce72..63332e2f862 100644
--- a/drivers/input/keyboard/nomadik-ske-keypad.c
+++ b/drivers/input/keyboard/nomadik-ske-keypad.c
@@ -222,7 +222,8 @@ static irqreturn_t ske_keypad_irq(int irq, void *dev_id)
 
 static int __init ske_keypad_probe(struct platform_device *pdev)
 {
-	const struct ske_keypad_platform_data *plat = pdev->dev.platform_data;
+	const struct ske_keypad_platform_data *plat =
+			dev_get_platdata(&pdev->dev);
 	struct ske_keypad *keypad;
 	struct input_dev *input;
 	struct resource *res;
diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c
index d0d5226d9cd..b1acc9852eb 100644
--- a/drivers/input/keyboard/omap-keypad.c
+++ b/drivers/input/keyboard/omap-keypad.c
@@ -25,7 +25,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/types.h>
 #include <linux/input.h>
@@ -248,7 +247,7 @@ static int omap_kp_probe(struct platform_device *pdev)
 {
 	struct omap_kp *omap_kp;
 	struct input_dev *input_dev;
-	struct omap_kp_platform_data *pdata =  pdev->dev.platform_data;
+	struct omap_kp_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	int i, col_idx, row_idx, ret;
 	unsigned int row_shift, keycodemax;
 
diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
index 30acfd49fa6..0400b3f2b4b 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -22,7 +22,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
 #include <linux/errno.h>
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index 186138c720c..d8241ba0afa 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -18,7 +18,6 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/input.h>
 #include <linux/device.h>
diff --git a/drivers/input/keyboard/pxa930_rotary.c b/drivers/input/keyboard/pxa930_rotary.c
index 248cdcf9529..374ca0246c8 100644
--- a/drivers/input/keyboard/pxa930_rotary.c
+++ b/drivers/input/keyboard/pxa930_rotary.c
@@ -8,7 +8,6 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/input.h>
 #include <linux/platform_device.h>
@@ -84,7 +83,8 @@ static void pxa930_rotary_close(struct input_dev *dev)
 
 static int pxa930_rotary_probe(struct platform_device *pdev)
 {
-	struct pxa930_rotary_platform_data *pdata = pdev->dev.platform_data;
+	struct pxa930_rotary_platform_data *pdata =
+			dev_get_platdata(&pdev->dev);
 	struct pxa930_rotary *r;
 	struct input_dev *input_dev;
 	struct resource *res;
diff --git a/drivers/input/keyboard/qt1070.c b/drivers/input/keyboard/qt1070.c
index 6c561ec3cc0..52cd6e88acd 100644
--- a/drivers/input/keyboard/qt1070.c
+++ b/drivers/input/keyboard/qt1070.c
@@ -25,7 +25,6 @@
  */
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/i2c.h>
 #include <linux/input.h>
 #include <linux/slab.h>
diff --git a/drivers/input/keyboard/qt2160.c b/drivers/input/keyboard/qt2160.c
index 1c0ddad0a1c..819b22897c1 100644
--- a/drivers/input/keyboard/qt2160.c
+++ b/drivers/input/keyboard/qt2160.c
@@ -19,7 +19,6 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/init.h>
 #include <linux/leds.h>
 #include <linux/module.h>
 #include <linux/slab.h>
diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c
index ac43a486c77..5e80fbf7b5e 100644
--- a/drivers/input/keyboard/samsung-keypad.c
+++ b/drivers/input/keyboard/samsung-keypad.c
@@ -14,7 +14,6 @@
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/err.h>
-#include <linux/init.h>
 #include <linux/input.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
@@ -244,8 +243,8 @@ static void samsung_keypad_close(struct input_dev *input_dev)
 }
 
 #ifdef CONFIG_OF
-static struct samsung_keypad_platdata *samsung_keypad_parse_dt(
-				struct device *dev)
+static struct samsung_keypad_platdata *
+samsung_keypad_parse_dt(struct device *dev)
 {
 	struct samsung_keypad_platdata *pdata;
 	struct matrix_keymap_data *keymap_data;
@@ -253,17 +252,22 @@ static struct samsung_keypad_platdata *samsung_keypad_parse_dt(
 	struct device_node *np = dev->of_node, *key_np;
 	unsigned int key_count;
 
+	if (!np) {
+		dev_err(dev, "missing device tree data\n");
+		return ERR_PTR(-EINVAL);
+	}
+
 	pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata) {
 		dev_err(dev, "could not allocate memory for platform data\n");
-		return NULL;
+		return ERR_PTR(-ENOMEM);
 	}
 
 	of_property_read_u32(np, "samsung,keypad-num-rows", &num_rows);
 	of_property_read_u32(np, "samsung,keypad-num-columns", &num_cols);
 	if (!num_rows || !num_cols) {
 		dev_err(dev, "number of keypad rows/columns not specified\n");
-		return NULL;
+		return ERR_PTR(-EINVAL);
 	}
 	pdata->rows = num_rows;
 	pdata->cols = num_cols;
@@ -271,7 +275,7 @@ static struct samsung_keypad_platdata *samsung_keypad_parse_dt(
 	keymap_data = devm_kzalloc(dev, sizeof(*keymap_data), GFP_KERNEL);
 	if (!keymap_data) {
 		dev_err(dev, "could not allocate memory for keymap data\n");
-		return NULL;
+		return ERR_PTR(-ENOMEM);
 	}
 	pdata->keymap_data = keymap_data;
 
@@ -280,7 +284,7 @@ static struct samsung_keypad_platdata *samsung_keypad_parse_dt(
 	keymap = devm_kzalloc(dev, sizeof(uint32_t) * key_count, GFP_KERNEL);
 	if (!keymap) {
 		dev_err(dev, "could not allocate memory for keymap\n");
-		return NULL;
+		return ERR_PTR(-ENOMEM);
 	}
 	keymap_data->keymap = keymap;
 
@@ -294,16 +298,19 @@ static struct samsung_keypad_platdata *samsung_keypad_parse_dt(
 
 	if (of_get_property(np, "linux,input-no-autorepeat", NULL))
 		pdata->no_autorepeat = true;
+
 	if (of_get_property(np, "linux,input-wakeup", NULL))
 		pdata->wakeup = true;
 
 	return pdata;
 }
 #else
-static
-struct samsung_keypad_platdata *samsung_keypad_parse_dt(struct device *dev)
+static struct samsung_keypad_platdata *
+samsung_keypad_parse_dt(struct device *dev)
 {
-	return NULL;
+	dev_err(dev, "no platform data defined\n");
+
+	return ERR_PTR(-EINVAL);
 }
 #endif
 
@@ -318,13 +325,11 @@ static int samsung_keypad_probe(struct platform_device *pdev)
 	unsigned int keymap_size;
 	int error;
 
-	if (pdev->dev.of_node)
-		pdata = samsung_keypad_parse_dt(&pdev->dev);
-	else
-		pdata = pdev->dev.platform_data;
+	pdata = dev_get_platdata(&pdev->dev);
 	if (!pdata) {
-		dev_err(&pdev->dev, "no platform data defined\n");
-		return -EINVAL;
+		pdata = samsung_keypad_parse_dt(&pdev->dev);
+		if (IS_ERR(pdata))
+			return PTR_ERR(pdata);
 	}
 
 	keymap_data = pdata->keymap_data;
diff --git a/drivers/input/keyboard/sh_keysc.c b/drivers/input/keyboard/sh_keysc.c
index fe0e498d247..7abf03b4cc9 100644
--- a/drivers/input/keyboard/sh_keysc.c
+++ b/drivers/input/keyboard/sh_keysc.c
@@ -12,7 +12,6 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/delay.h>
@@ -171,7 +170,7 @@ static int sh_keysc_probe(struct platform_device *pdev)
 	int i;
 	int irq, error;
 
-	if (!pdev->dev.platform_data) {
+	if (!dev_get_platdata(&pdev->dev)) {
 		dev_err(&pdev->dev, "no platform data defined\n");
 		error = -EINVAL;
 		goto err0;
@@ -198,7 +197,7 @@ static int sh_keysc_probe(struct platform_device *pdev)
 	}
 
 	platform_set_drvdata(pdev, priv);
-	memcpy(&priv->pdata, pdev->dev.platform_data, sizeof(priv->pdata));
+	memcpy(&priv->pdata, dev_get_platdata(&pdev->dev), sizeof(priv->pdata));
 	pdata = &priv->pdata;
 
 	priv->iomem_base = ioremap_nocache(res->start, resource_size(res));
diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c
index 85ff530d9a9..258af10e581 100644
--- a/drivers/input/keyboard/spear-keyboard.c
+++ b/drivers/input/keyboard/spear-keyboard.c
@@ -12,7 +12,6 @@
 
 #include <linux/clk.h>
 #include <linux/errno.h>
-#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/input.h>
 #include <linux/io.h>
diff --git a/drivers/input/keyboard/stmpe-keypad.c b/drivers/input/keyboard/stmpe-keypad.c
index 5cbec56f772..c6727dda68f 100644
--- a/drivers/input/keyboard/stmpe-keypad.c
+++ b/drivers/input/keyboard/stmpe-keypad.c
@@ -6,7 +6,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/input.h>
 #include <linux/interrupt.h>
diff --git a/drivers/input/keyboard/stowaway.c b/drivers/input/keyboard/stowaway.c
index cc612c5d542..a6e0d565e30 100644
--- a/drivers/input/keyboard/stowaway.c
+++ b/drivers/input/keyboard/stowaway.c
@@ -32,7 +32,6 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/input.h>
-#include <linux/init.h>
 #include <linux/serio.h>
 
 #define DRIVER_DESC	"Stowaway keyboard driver"
diff --git a/drivers/input/keyboard/sunkbd.c b/drivers/input/keyboard/sunkbd.c
index 5f836b1638c..dc6bb9d5b4f 100644
--- a/drivers/input/keyboard/sunkbd.c
+++ b/drivers/input/keyboard/sunkbd.c
@@ -31,7 +31,6 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/interrupt.h>
-#include <linux/init.h>
 #include <linux/input.h>
 #include <linux/serio.h>
 #include <linux/workqueue.h>
diff --git a/drivers/input/keyboard/tc3589x-keypad.c b/drivers/input/keyboard/tc3589x-keypad.c
index 208de7cbb7f..74494a35752 100644
--- a/drivers/input/keyboard/tc3589x-keypad.c
+++ b/drivers/input/keyboard/tc3589x-keypad.c
@@ -10,7 +10,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/input.h>
 #include <linux/platform_device.h>
diff --git a/drivers/input/keyboard/tca6416-keypad.c b/drivers/input/keyboard/tca6416-keypad.c
index bfc832c35a7..dc983ab6c0a 100644
--- a/drivers/input/keyboard/tca6416-keypad.c
+++ b/drivers/input/keyboard/tca6416-keypad.c
@@ -213,7 +213,7 @@ static int tca6416_keypad_probe(struct i2c_client *client,
 		return -ENODEV;
 	}
 
-	pdata = client->dev.platform_data;
+	pdata = dev_get_platdata(&client->dev);
 	if (!pdata) {
 		dev_dbg(&client->dev, "no platform data\n");
 		return -EINVAL;
diff --git a/drivers/input/keyboard/tnetv107x-keypad.c b/drivers/input/keyboard/tnetv107x-keypad.c
index 8bd24d52bf1..086511c2121 100644
--- a/drivers/input/keyboard/tnetv107x-keypad.c
+++ b/drivers/input/keyboard/tnetv107x-keypad.c
@@ -162,7 +162,7 @@ static int keypad_probe(struct platform_device *pdev)
 	int error = 0, sz, row_shift;
 	u32 rev = 0;
 
-	pdata = pdev->dev.platform_data;
+	pdata = dev_get_platdata(&pdev->dev);
 	if (!pdata) {
 		dev_err(dev, "cannot find device data\n");
 		return -EINVAL;
diff --git a/drivers/input/keyboard/twl4030_keypad.c b/drivers/input/keyboard/twl4030_keypad.c
index d2d178c84ea..c5a11700a1b 100644
--- a/drivers/input/keyboard/twl4030_keypad.c
+++ b/drivers/input/keyboard/twl4030_keypad.c
@@ -27,12 +27,12 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/input.h>
 #include <linux/platform_device.h>
 #include <linux/i2c/twl.h>
 #include <linux/slab.h>
+#include <linux/of.h>
 
 /*
  * The TWL4030 family chips include a keypad controller that supports
@@ -60,6 +60,7 @@
 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;
@@ -330,70 +331,89 @@ static int twl4030_kp_program(struct twl4030_keypad *kp)
  */
 static int twl4030_kp_probe(struct platform_device *pdev)
 {
-	struct twl4030_keypad_data *pdata = pdev->dev.platform_data;
-	const struct matrix_keymap_data *keymap_data;
+	struct twl4030_keypad_data *pdata = dev_get_platdata(&pdev->dev);
+	const struct matrix_keymap_data *keymap_data = NULL;
 	struct twl4030_keypad *kp;
 	struct input_dev *input;
 	u8 reg;
 	int error;
 
-	if (!pdata || !pdata->rows || !pdata->cols || !pdata->keymap_data ||
-	    pdata->rows > TWL4030_MAX_ROWS || pdata->cols > TWL4030_MAX_COLS) {
-		dev_err(&pdev->dev, "Invalid platform_data\n");
-		return -EINVAL;
-	}
+	kp = devm_kzalloc(&pdev->dev, sizeof(*kp), GFP_KERNEL);
+	if (!kp)
+		return -ENOMEM;
 
-	keymap_data = pdata->keymap_data;
-
-	kp = kzalloc(sizeof(*kp), GFP_KERNEL);
-	input = input_allocate_device();
-	if (!kp || !input) {
-		error = -ENOMEM;
-		goto err1;
-	}
+	input = devm_input_allocate_device(&pdev->dev);
+	if (!input)
+		return -ENOMEM;
 
-	/* Get the debug Device */
-	kp->dbg_dev = &pdev->dev;
-	kp->input = input;
-
-	kp->n_rows = pdata->rows;
-	kp->n_cols = pdata->cols;
-	kp->irq = platform_get_irq(pdev, 0);
+	/* get the debug device */
+	kp->dbg_dev		= &pdev->dev;
+	kp->input		= input;
 
 	/* setup input device */
 	input->name		= "TWL4030 Keypad";
 	input->phys		= "twl4030_keypad/input0";
-	input->dev.parent	= &pdev->dev;
 
 	input->id.bustype	= BUS_HOST;
 	input->id.vendor	= 0x0001;
 	input->id.product	= 0x0001;
 	input->id.version	= 0x0003;
 
+	if (pdata) {
+		if (!pdata->rows || !pdata->cols || !pdata->keymap_data) {
+			dev_err(&pdev->dev, "Missing platform_data\n");
+			return -EINVAL;
+		}
+
+		kp->n_rows = pdata->rows;
+		kp->n_cols = pdata->cols;
+		kp->autorepeat = pdata->rep;
+		keymap_data = pdata->keymap_data;
+	} else {
+		error = matrix_keypad_parse_of_params(&pdev->dev, &kp->n_rows,
+						      &kp->n_cols);
+		if (error)
+			return error;
+
+		kp->autorepeat = true;
+	}
+
+	if (kp->n_rows > TWL4030_MAX_ROWS || kp->n_cols > TWL4030_MAX_COLS) {
+		dev_err(&pdev->dev,
+			"Invalid rows/cols amount specified in platform/devicetree data\n");
+		return -EINVAL;
+	}
+
+	kp->irq = platform_get_irq(pdev, 0);
+	if (!kp->irq) {
+		dev_err(&pdev->dev, "no keyboard irq assigned\n");
+		return -EINVAL;
+	}
+
 	error = matrix_keypad_build_keymap(keymap_data, NULL,
 					   TWL4030_MAX_ROWS,
 					   1 << TWL4030_ROW_SHIFT,
 					   kp->keymap, input);
 	if (error) {
 		dev_err(kp->dbg_dev, "Failed to build keymap\n");
-		goto err1;
+		return error;
 	}
 
 	input_set_capability(input, EV_MSC, MSC_SCAN);
 	/* Enable auto repeat feature of Linux input subsystem */
-	if (pdata->rep)
+	if (kp->autorepeat)
 		__set_bit(EV_REP, input->evbit);
 
 	error = input_register_device(input);
 	if (error) {
 		dev_err(kp->dbg_dev,
 			"Unable to register twl4030 keypad device\n");
-		goto err1;
+		return error;
 	}
 
 	error = twl4030_kp_program(kp);
 	if (error)
-		goto err2;
+		return error;
 
 	/*
 	 * This ISR will always execute in kernel thread context because of
@@ -401,47 +421,33 @@ static int twl4030_kp_probe(struct platform_device *pdev)
 	 *
 	 * NOTE:  we assume this host is wired to TWL4040 INT1, not INT2 ...
 	 */
-	error = request_threaded_irq(kp->irq, NULL, do_kp_irq,
-			0, pdev->name, kp);
+	error = devm_request_threaded_irq(&pdev->dev, kp->irq, NULL, do_kp_irq,
+					  0, pdev->name, kp);
 	if (error) {
-		dev_info(kp->dbg_dev, "request_irq failed for irq no=%d\n",
-			kp->irq);
-		goto err2;
+		dev_info(kp->dbg_dev, "request_irq failed for irq no=%d: %d\n",
+			kp->irq, error);
+		return error;
 	}
 
 	/* Enable KP and TO interrupts now. */
 	reg = (u8) ~(KEYP_IMR1_KP | KEYP_IMR1_TO);
 	if (twl4030_kpwrite_u8(kp, reg, KEYP_IMR1)) {
-		error = -EIO;
-		goto err3;
+		/* mask all events - we don't care about the result */
+		(void) twl4030_kpwrite_u8(kp, 0xff, KEYP_IMR1);
+		return -EIO;
 	}
 
 	platform_set_drvdata(pdev, kp);
 	return 0;
-
-err3:
-	/* mask all events - we don't care about the result */
-	(void) twl4030_kpwrite_u8(kp, 0xff, KEYP_IMR1);
-	free_irq(kp->irq, kp);
-err2:
-	input_unregister_device(input);
-	input = NULL;
-err1:
-	input_free_device(input);
-	kfree(kp);
-	return error;
 }
 
-static int twl4030_kp_remove(struct platform_device *pdev)
-{
-	struct twl4030_keypad *kp = platform_get_drvdata(pdev);
-
-	free_irq(kp->irq, kp);
-	input_unregister_device(kp->input);
-	kfree(kp);
-
-	return 0;
-}
+#ifdef CONFIG_OF
+static const struct of_device_id twl4030_keypad_dt_match_table[] = {
+	{ .compatible = "ti,twl4030-keypad" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, twl4030_keypad_dt_match_table);
+#endif
 
 /*
  * NOTE: twl4030 are multi-function devices connected via I2C.
@@ -451,10 +457,10 @@ static int twl4030_kp_remove(struct platform_device *pdev)
 
 static struct platform_driver twl4030_kp_driver = {
 	.probe		= twl4030_kp_probe,
-	.remove		= twl4030_kp_remove,
 	.driver		= {
 		.name	= "twl4030_keypad",
 		.owner	= THIS_MODULE,
+		.of_match_table = of_match_ptr(twl4030_keypad_dt_match_table),
 	},
 };
 module_platform_driver(twl4030_kp_driver);
diff --git a/drivers/input/keyboard/w90p910_keypad.c b/drivers/input/keyboard/w90p910_keypad.c
index 7b039162a3f..e8b9d94daae 100644
--- a/drivers/input/keyboard/w90p910_keypad.c
+++ b/drivers/input/keyboard/w90p910_keypad.c
@@ -11,7 +11,6 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/input.h>
 #include <linux/device.h>
@@ -121,7 +120,7 @@ static void w90p910_keypad_close(struct input_dev *dev)
 static int w90p910_keypad_probe(struct platform_device *pdev)
 {
 	const struct w90p910_keypad_platform_data *pdata =
-						pdev->dev.platform_data;
+						dev_get_platdata(&pdev->dev);
 	const struct matrix_keymap_data *keymap_data;
 	struct w90p910_keypad *keypad;
 	struct input_dev *input_dev;
diff --git a/drivers/input/keyboard/xtkbd.c b/drivers/input/keyboard/xtkbd.c
index d050d9d0011..7c2325bd740 100644
--- a/drivers/input/keyboard/xtkbd.c
+++ b/drivers/input/keyboard/xtkbd.c
@@ -29,7 +29,6 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/input.h>
-#include <linux/init.h>
 #include <linux/serio.h>
 
 #define DRIVER_DESC	"XT keyboard driver"