---

yaml
---
r: 188064
b: refs/heads/master
c: bca14dd
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2aa2b50dd62b5d0675bd7453fbeb5732dc2d7866
+refs/heads/master: bca14dd14f3b0c5e3e2d1d314679f85b67871365

trunk/drivers/hid/hid-input.c

@@ -68,22 +68,25 @@ static const struct {
 #define map_key_clear(c)	hid_map_usage_clear(hidinput, usage, &bit, \
 		&max, EV_KEY, (c))
 
-static inline int match_scancode(int code, int scancode)
+static inline int match_scancode(unsigned int code, unsigned int scancode)
 {
 	if (scancode == 0)
 		return 1;
-	return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode);
+
+	return (code & (HID_USAGE_PAGE | HID_USAGE)) == scancode;
 }
 
-static inline int match_keycode(int code, int keycode)
+static inline int match_keycode(unsigned int code, unsigned int keycode)
 {
 	if (keycode == 0)
 		return 1;
-	return (code == keycode);
+
+	return code == keycode;
 }
 
 static struct hid_usage *hidinput_find_key(struct hid_device *hid,
-		int scancode, int keycode)
+					   unsigned int scancode,
+					   unsigned int keycode)
 {
 	int i, j, k;
 	struct hid_report *report;
@@ -105,8 +108,8 @@ static struct hid_usage *hidinput_find_key(struct hid_device *hid,
 	return NULL;
 }
 
-static int hidinput_getkeycode(struct input_dev *dev, int scancode,
-				int *keycode)
+static int hidinput_getkeycode(struct input_dev *dev,
+			       unsigned int scancode, unsigned int *keycode)
 {
 	struct hid_device *hid = input_get_drvdata(dev);
 	struct hid_usage *usage;
@@ -119,16 +122,13 @@ static int hidinput_getkeycode(struct input_dev *dev, int scancode,
 	return -EINVAL;
 }
 
-static int hidinput_setkeycode(struct input_dev *dev, int scancode,
-				int keycode)
+static int hidinput_setkeycode(struct input_dev *dev,
+			       unsigned int scancode, unsigned int keycode)
 {
 	struct hid_device *hid = input_get_drvdata(dev);
 	struct hid_usage *usage;
 	int old_keycode;
 
-	if (keycode < 0 || keycode > KEY_MAX)
-		return -EINVAL;
-
 	usage = hidinput_find_key(hid, scancode, 0);
 	if (usage) {
 		old_keycode = usage->code;

trunk/drivers/i2c/Kconfig

@@ -73,7 +73,6 @@ config I2C_SMBUS
 
 source drivers/i2c/algos/Kconfig
 source drivers/i2c/busses/Kconfig
-source drivers/i2c/chips/Kconfig
 
 config I2C_DEBUG_CORE
 	bool "I2C Core debugging messages"
@@ -98,12 +97,4 @@ config I2C_DEBUG_BUS
 	  a problem with I2C support and want to see more of what is going
 	  on.
 
-config I2C_DEBUG_CHIP
-	bool "I2C Chip debugging messages"
-	help
-	  Say Y here if you want the I2C chip drivers to produce a bunch of
-	  debug messages to the system log.  Select this if you are having
-	  a problem with I2C support and want to see more of what is going
-	  on.
-
 endif # I2C

trunk/drivers/i2c/Makefile

@@ -6,7 +6,7 @@ obj-$(CONFIG_I2C_BOARDINFO)	+= i2c-boardinfo.o
 obj-$(CONFIG_I2C)		+= i2c-core.o
 obj-$(CONFIG_I2C_SMBUS)		+= i2c-smbus.o
 obj-$(CONFIG_I2C_CHARDEV)	+= i2c-dev.o
-obj-y				+= busses/ chips/ algos/
+obj-y				+= algos/ busses/
 
 ifeq ($(CONFIG_I2C_DEBUG_CORE),y)
 EXTRA_CFLAGS += -DDEBUG

trunk/drivers/i2c/algos/i2c-algo-bit.c

@@ -522,6 +522,12 @@ static int bit_xfer(struct i2c_adapter *i2c_adap,
 	int i, ret;
 	unsigned short nak_ok;
 
+	if (adap->pre_xfer) {
+		ret = adap->pre_xfer(i2c_adap);
+		if (ret < 0)
+			return ret;
+	}
+
 	bit_dbg(3, &i2c_adap->dev, "emitting start condition\n");
 	i2c_start(adap);
 	for (i = 0; i < num; i++) {
@@ -570,6 +576,9 @@ static int bit_xfer(struct i2c_adapter *i2c_adap,
 bailout:
 	bit_dbg(3, &i2c_adap->dev, "emitting stop condition\n");
 	i2c_stop(adap);
+
+	if (adap->post_xfer)
+		adap->post_xfer(i2c_adap);
 	return ret;
 }
 

trunk/drivers/i2c/busses/i2c-i801.c

@@ -416,9 +416,11 @@ static int i801_block_transaction(union i2c_smbus_data *data, char read_write,
 		data->block[0] = 32;	/* max for SMBus block reads */
 	}
 
+	/* Experience has shown that the block buffer can only be used for
+	   SMBus (not I2C) block transactions, even though the datasheet
+	   doesn't mention this limitation. */
 	if ((i801_features & FEATURE_BLOCK_BUFFER)
-	 && !(command == I2C_SMBUS_I2C_BLOCK_DATA
-	      && read_write == I2C_SMBUS_READ)
+	 && command != I2C_SMBUS_I2C_BLOCK_DATA
 	 && i801_set_block_buffer_mode() == 0)
 		result = i801_block_transaction_by_block(data, read_write,
 							 hwpec);

trunk/drivers/i2c/busses/i2c-powermac.c

@@ -122,9 +122,14 @@ static s32 i2c_powermac_smbus_xfer(	struct i2c_adapter*	adap,
 
 	rc = pmac_i2c_xfer(bus, addrdir, subsize, subaddr, buf, len);
 	if (rc) {
-		dev_err(&adap->dev,
-			"I2C transfer at 0x%02x failed, size %d, err %d\n",
-			addrdir >> 1, size, rc);
+		if (rc == -ENXIO)
+			dev_dbg(&adap->dev,
+				"I2C transfer at 0x%02x failed, size %d, "
+				"err %d\n", addrdir >> 1, size, rc);
+		else
+			dev_err(&adap->dev,
+				"I2C transfer at 0x%02x failed, size %d, "
+				"err %d\n", addrdir >> 1, size, rc);
 		goto bail;
 	}
 
@@ -175,10 +180,16 @@ static int i2c_powermac_master_xfer(	struct i2c_adapter *adap,
 		goto bail;
 	}
 	rc = pmac_i2c_xfer(bus, addrdir, 0, 0, msgs->buf, msgs->len);
-	if (rc < 0)
-		dev_err(&adap->dev, "I2C %s 0x%02x failed, err %d\n",
-			addrdir & 1 ? "read from" : "write to", addrdir >> 1,
-			rc);
+	if (rc < 0) {
+		if (rc == -ENXIO)
+			dev_dbg(&adap->dev, "I2C %s 0x%02x failed, err %d\n",
+				addrdir & 1 ? "read from" : "write to",
+				addrdir >> 1, rc);
+		else
+			dev_err(&adap->dev, "I2C %s 0x%02x failed, err %d\n",
+				addrdir & 1 ? "read from" : "write to",
+				addrdir >> 1, rc);
+	}
  bail:
 	pmac_i2c_close(bus);
 	return rc < 0 ? rc : 1;

trunk/drivers/i2c/busses/i2c-xiic.c

@@ -32,6 +32,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/errno.h>
+#include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
 #include <linux/interrupt.h>

trunk/drivers/i2c/i2c-smbus.c

@@ -22,7 +22,6 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/device.h>
-#include <linux/semaphore.h>
 #include <linux/interrupt.h>
 #include <linux/workqueue.h>
 #include <linux/i2c.h>
@@ -55,15 +54,15 @@ static int smbus_do_alert(struct device *dev, void *addrp)
 	 * Drivers should either disable alerts, or provide at least
 	 * a minimal handler.  Lock so client->driver won't change.
 	 */
-	down(&dev->sem);
+	device_lock(dev);
 	if (client->driver) {
 		if (client->driver->alert)
 			client->driver->alert(client, data->flag);
 		else
 			dev_warn(&client->dev, "no driver alert()!\n");
 	} else
 		dev_dbg(&client->dev, "alert with no driver\n");
-	up(&dev->sem);
+	device_unlock(dev);
 
 	/* Stop iterating after we find the device */
 	return -EBUSY;

trunk/drivers/input/evdev.c

@@ -515,7 +515,7 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd,
 	struct input_absinfo abs;
 	struct ff_effect effect;
 	int __user *ip = (int __user *)p;
-	int i, t, u, v;
+	unsigned int i, t, u, v;
 	int error;
 
 	switch (cmd) {

trunk/drivers/input/input.c

@@ -582,7 +582,8 @@ static int input_fetch_keycode(struct input_dev *dev, int scancode)
 }
 
 static int input_default_getkeycode(struct input_dev *dev,
-				    int scancode, int *keycode)
+				    unsigned int scancode,
+				    unsigned int *keycode)
 {
 	if (!dev->keycodesize)
 		return -EINVAL;
@@ -596,7 +597,8 @@ static int input_default_getkeycode(struct input_dev *dev,
 }
 
 static int input_default_setkeycode(struct input_dev *dev,
-				    int scancode, int keycode)
+				    unsigned int scancode,
+				    unsigned int keycode)
 {
 	int old_keycode;
 	int i;
@@ -654,11 +656,9 @@ static int input_default_setkeycode(struct input_dev *dev,
  * This function should be called by anyone interested in retrieving current
  * keymap. Presently keyboard and evdev handlers use it.
  */
-int input_get_keycode(struct input_dev *dev, int scancode, int *keycode)
+int input_get_keycode(struct input_dev *dev,
+		      unsigned int scancode, unsigned int *keycode)
 {
-	if (scancode < 0)
-		return -EINVAL;
-
 	return dev->getkeycode(dev, scancode, keycode);
 }
 EXPORT_SYMBOL(input_get_keycode);
@@ -672,16 +672,14 @@ EXPORT_SYMBOL(input_get_keycode);
  * This function should be called by anyone needing to update current
  * keymap. Presently keyboard and evdev handlers use it.
  */
-int input_set_keycode(struct input_dev *dev, int scancode, int keycode)
+int input_set_keycode(struct input_dev *dev,
+		      unsigned int scancode, unsigned int keycode)
 {
 	unsigned long flags;
 	int old_keycode;
 	int retval;
 
-	if (scancode < 0)
-		return -EINVAL;
-
-	if (keycode < 0 || keycode > KEY_MAX)
+	if (keycode > KEY_MAX)
 		return -EINVAL;
 
 	spin_lock_irqsave(&dev->event_lock, flags);
@@ -1881,35 +1879,37 @@ static int input_open_file(struct inode *inode, struct file *file)
 	const struct file_operations *old_fops, *new_fops = NULL;
 	int err;
 
-	lock_kernel();
+	err = mutex_lock_interruptible(&input_mutex);
+	if (err)
+		return err;
+
 	/* No load-on-demand here? */
 	handler = input_table[iminor(inode) >> 5];
-	if (!handler || !(new_fops = fops_get(handler->fops))) {
-		err = -ENODEV;
-		goto out;
-	}
+	if (handler)
+		new_fops = fops_get(handler->fops);
+
+	mutex_unlock(&input_mutex);
 
 	/*
 	 * That's _really_ odd. Usually NULL ->open means "nothing special",
 	 * not "no device". Oh, well...
 	 */
-	if (!new_fops->open) {
+	if (!new_fops || !new_fops->open) {
 		fops_put(new_fops);
 		err = -ENODEV;
 		goto out;
 	}
+
 	old_fops = file->f_op;
 	file->f_op = new_fops;
 
 	err = new_fops->open(inode, file);
-
 	if (err) {
 		fops_put(file->f_op);
 		file->f_op = fops_get(old_fops);
 	}
 	fops_put(old_fops);
 out:
-	unlock_kernel();
 	return err;
 }
 

trunk/drivers/input/joystick/gamecon.c

@@ -819,7 +819,7 @@ static int __init gc_setup_pad(struct gc *gc, int idx, int pad_type)
 	int i;
 	int err;
 
-	if (pad_type < 1 || pad_type > GC_MAX) {
+	if (pad_type < 1 || pad_type >= GC_MAX) {
 		pr_err("Pad type %d unknown\n", pad_type);
 		return -EINVAL;
 	}

trunk/drivers/input/keyboard/bf54x-keys.c

@@ -162,7 +162,7 @@ static irqreturn_t bfin_kpad_isr(int irq, void *dev_id)
 	input_sync(input);
 
 	if (bfin_kpad_get_keypressed(bf54x_kpad)) {
-		disable_irq(bf54x_kpad->irq);
+		disable_irq_nosync(bf54x_kpad->irq);
 		bf54x_kpad->lastkey = key;
 		mod_timer(&bf54x_kpad->timer,
 			  jiffies + bf54x_kpad->keyup_test_jiffies);

trunk/drivers/input/misc/Kconfig

@@ -214,6 +214,17 @@ config INPUT_TWL4030_PWRBUTTON
 	  To compile this driver as a module, choose M here. The module will
 	  be called twl4030_pwrbutton.
 
+config INPUT_TWL4030_VIBRA
+	tristate "Support for TWL4030 Vibrator"
+	depends on TWL4030_CORE
+	select TWL4030_CODEC
+	select INPUT_FF_MEMLESS
+	help
+	  This option enables support for TWL4030 Vibrator Driver.
+
+	  To compile this driver as a module, choose M here. The module will
+	  be called twl4030_vibra.
+
 config INPUT_UINPUT
 	tristate "User level driver support"
 	help

trunk/drivers/input/misc/Makefile

@@ -26,6 +26,7 @@ obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)	+= rotary_encoder.o
 obj-$(CONFIG_INPUT_SGI_BTNS)		+= sgi_btns.o
 obj-$(CONFIG_INPUT_SPARCSPKR)		+= sparcspkr.o
 obj-$(CONFIG_INPUT_TWL4030_PWRBUTTON)	+= twl4030-pwrbutton.o
+obj-$(CONFIG_INPUT_TWL4030_VIBRA)	+= twl4030-vibra.o
 obj-$(CONFIG_INPUT_UINPUT)		+= uinput.o
 obj-$(CONFIG_INPUT_WINBOND_CIR)		+= winbond-cir.o
 obj-$(CONFIG_INPUT_WISTRON_BTNS)	+= wistron_btns.o