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

Pull input updates from Dmitry Torokhov:
 "First round of updates for the input subsystem.  No new drivers here,
  just some driver fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: rotary-encoder - fix bare use of 'unsigned'
  Input: cm109 - spin_lock in complete() cleanup
  Input: cm109 - fix handling of volume and mute buttons
  Input: byd - don't wipe dynamically allocated memory twice
  Input: twl4030 - fix unsafe macro definition
  Input: twl6040-vibra - remove mutex
  Input: bcm_iproc_tsc - DT spelling s/clock-name/clock-names/
  Input: bcm_iproc_tsc - use syscon to access shared registers
  Input: ti_am335x_tsc - use SIMPLE_DEV_PM_OPS
  Input: omap-keypad - remove set_col_gpio_val() and get_row_gpio_val()
  Input: omap-keypad - drop empty PM stubs
  Input: omap-keypad - remove adjusting of scan delay
  Input: gpio-keys - clean up device tree binding example
  Input: kbtab - stop saving struct usb_device
  Input: gtco - stop saving struct usb_device
  Input: aiptek - stop saving struct usb_device
  Input: acecad - stop saving struct usb_device

2 files changed, 17 insertions, 63 deletions

diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c
index e0d72c8c01e4..146b26f665f6 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 bbcccd67247d..323a0fb575a4 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)