i2c: Whitespace cleanups

Remove extraneous whitespace from various i2c headers and core files,
like space-before-tab and whitespace at end of line.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

2 files changed, 44 insertions, 44 deletions

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 79eaa12474dd..64f11e00651c 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -127,7 +127,7 @@ static ssize_t show_client_name(struct device *dev, struct device_attribute *att
 	return sprintf(buf, "%s\n", client->name);
 }
 
-/* 
+/*
  * We can't use the DEVICE_ATTR() macro here as we want the same filename for a
  * different type of a device.  So beware if the DEVICE_ATTR() macro ever
  * changes, this definition will also have to change.
@@ -139,8 +139,8 @@ static struct device_attribute dev_attr_client_name = {
 
 
 /* ---------------------------------------------------
- * registering functions 
- * --------------------------------------------------- 
+ * registering functions
+ * ---------------------------------------------------
  */
 
 /* -----
@@ -314,7 +314,7 @@ int i2c_register_driver(struct module *owner, struct i2c_driver *driver)
 	res = driver_register(&driver->driver);
 	if (res)
 		return res;
-	
+
 	mutex_lock(&core_lists);
 
 	list_add_tail(&driver->list,&drivers);
@@ -338,13 +338,13 @@ int i2c_del_driver(struct i2c_driver *driver)
 	struct list_head   *item1, *item2, *_n;
 	struct i2c_client  *client;
 	struct i2c_adapter *adap;
-	
+
 	int res = 0;
 
 	mutex_lock(&core_lists);
 
 	/* Have a look at each adapter, if clients of this driver are still
-	 * attached. If so, detach them to be able to kill the driver 
+	 * attached. If so, detach them to be able to kill the driver
 	 * afterwards.
 	 */
 	list_for_each(item1,&adapters) {
@@ -419,14 +419,14 @@ int i2c_attach_client(struct i2c_client *client)
 		goto out_unlock;
 	}
 	list_add_tail(&client->list,&adapter->clients);
-	
+
 	client->usage_count = 0;
 
 	client->dev.parent = &client->adapter->dev;
 	client->dev.driver = &client->driver->driver;
 	client->dev.bus = &i2c_bus_type;
 	client->dev.release = &i2c_client_release;
-	
+
 	snprintf(&client->dev.bus_id[0], sizeof(client->dev.bus_id),
 		"%d-%04x", i2c_adapter_id(adapter), client->addr);
 	dev_dbg(&adapter->dev, "client [%s] registered with bus id %s\n",
@@ -467,7 +467,7 @@ int i2c_detach_client(struct i2c_client *client)
 {
 	struct i2c_adapter *adapter = client->adapter;
 	int res = 0;
-	
+
 	if (client->usage_count > 0) {
 		dev_warn(&client->dev, "Client [%s] still busy, "
 			 "can't detach\n", client->name);
@@ -535,10 +535,10 @@ int i2c_release_client(struct i2c_client *client)
 			 __FUNCTION__);
 		return -EPERM;
 	}
-	
+
 	client->usage_count--;
 	i2c_dec_use_client(client);
-	
+
 	return 0;
 }
 
@@ -624,7 +624,7 @@ int i2c_master_send(struct i2c_client *client,const char *buf ,int count)
 	msg.flags = client->flags & I2C_M_TEN;
 	msg.len = count;
 	msg.buf = (char *)buf;
-	
+
 	ret = i2c_transfer(adap, &msg, 1);
 
 	/* If everything went ok (i.e. 1 msg transmitted), return #bytes
@@ -757,7 +757,7 @@ int i2c_probe(struct i2c_adapter *adapter,
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_QUICK)) {
 		if (address_data->probe[0] == I2C_CLIENT_END
 		 && address_data->normal_i2c[0] == I2C_CLIENT_END)
-		 	return 0;
+			return 0;
 
 		dev_warn(&adapter->dev, "SMBus Quick command not supported, "
 			 "can't probe for chips\n");
@@ -817,7 +817,7 @@ int i2c_probe(struct i2c_adapter *adapter,
 struct i2c_adapter* i2c_get_adapter(int id)
 {
 	struct i2c_adapter *adapter;
-	
+
 	mutex_lock(&core_lists);
 	adapter = (struct i2c_adapter *)idr_find(&i2c_adapter_idr, id);
 	if (adapter && !try_module_get(adapter->owner))
@@ -834,14 +834,14 @@ void i2c_put_adapter(struct i2c_adapter *adap)
 
 /* The SMBus parts */
 
-#define POLY    (0x1070U << 3) 
+#define POLY    (0x1070U << 3)
 static u8
 crc8(u16 data)
 {
 	int i;
-  
+
 	for(i = 0; i < 8; i++) {
-		if (data & 0x8000) 
+		if (data & 0x8000)
 			data = data ^ POLY;
 		data = data << 1;
 	}
@@ -891,13 +891,13 @@ static int i2c_smbus_check_pec(u8 cpec, struct i2c_msg *msg)
 			rpec, cpec);
 		return -1;
 	}
-	return 0;	
+	return 0;
 }
 
 s32 i2c_smbus_write_quick(struct i2c_client *client, u8 value)
 {
 	return i2c_smbus_xfer(client->adapter,client->addr,client->flags,
- 	                      value,0,I2C_SMBUS_QUICK,NULL);
+	                      value,0,I2C_SMBUS_QUICK,NULL);
 }
 
 s32 i2c_smbus_read_byte(struct i2c_client *client)
@@ -996,11 +996,11 @@ s32 i2c_smbus_write_i2c_block_data(struct i2c_client *client, u8 command,
 			      I2C_SMBUS_I2C_BLOCK_DATA, &data);
 }
 
-/* Simulate a SMBus command using the i2c protocol 
+/* Simulate a SMBus command using the i2c protocol
    No checking of parameters is done!  */
-static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr, 
+static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
                                    unsigned short flags,
-                                   char read_write, u8 command, int size, 
+                                   char read_write, u8 command, int size,
                                    union i2c_smbus_data * data)
 {
 	/* So we need to generate a series of msgs. In the case of writing, we
@@ -1010,7 +1010,7 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
 	unsigned char msgbuf0[I2C_SMBUS_BLOCK_MAX+3];
 	unsigned char msgbuf1[I2C_SMBUS_BLOCK_MAX+2];
 	int num = read_write == I2C_SMBUS_READ?2:1;
-	struct i2c_msg msg[2] = { { addr, flags, 1, msgbuf0 }, 
+	struct i2c_msg msg[2] = { { addr, flags, 1, msgbuf0 },
 	                          { addr, flags | I2C_M_RD, 0, msgbuf1 }
 	                        };
 	int i;
@@ -1103,14 +1103,14 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
 	if (i) {
 		/* Compute PEC if first message is a write */
 		if (!(msg[0].flags & I2C_M_RD)) {
-		 	if (num == 1) /* Write only */
+			if (num == 1) /* Write only */
 				i2c_smbus_add_pec(&msg[0]);
 			else /* Write followed by read */
 				partial_pec = i2c_smbus_msg_pec(0, &msg[0]);
 		}
 		/* Ask for PEC if last message is a read */
 		if (msg[num-1].flags & I2C_M_RD)
-		 	msg[num-1].len++;
+			msg[num-1].len++;
 	}
 
 	if (i2c_transfer(adapter, msg, num) < 0)
@@ -1130,7 +1130,7 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
 			case I2C_SMBUS_BYTE_DATA:
 				data->byte = msgbuf1[0];
 				break;
-			case I2C_SMBUS_WORD_DATA: 
+			case I2C_SMBUS_WORD_DATA:
 			case I2C_SMBUS_PROC_CALL:
 				data->word = msgbuf1[0] | (msgbuf1[1] << 8);
 				break;
@@ -1146,7 +1146,7 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
 
 
 s32 i2c_smbus_xfer(struct i2c_adapter * adapter, u16 addr, unsigned short flags,
-                   char read_write, u8 command, int size, 
+                   char read_write, u8 command, int size,
                    union i2c_smbus_data * data)
 {
 	s32 res;
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index d66cefc63df7..cf9381eae8da 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -1,5 +1,5 @@
 /*
-    i2c-dev.c - i2c-bus driver, char device interface  
+    i2c-dev.c - i2c-bus driver, char device interface
 
     Copyright (C) 1995-97 Simon G. Vogl
     Copyright (C) 1998-99 Frodo Looijaard <frodol@dds.nl>
@@ -172,7 +172,7 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file,
 	switch ( cmd ) {
 	case I2C_SLAVE:
 	case I2C_SLAVE_FORCE:
-		if ((arg > 0x3ff) || 
+		if ((arg > 0x3ff) ||
 		    (((client->flags & I2C_M_TEN) == 0) && arg > 0x7f))
 			return -EINVAL;
 		if ((cmd == I2C_SLAVE) && i2c_check_addr(client->adapter,arg))
@@ -196,8 +196,8 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file,
 		return put_user(funcs, (unsigned long __user *)arg);
 
 	case I2C_RDWR:
-		if (copy_from_user(&rdwr_arg, 
-				   (struct i2c_rdwr_ioctl_data __user *)arg, 
+		if (copy_from_user(&rdwr_arg,
+				   (struct i2c_rdwr_ioctl_data __user *)arg,
 				   sizeof(rdwr_arg)))
 			return -EFAULT;
 
@@ -205,9 +205,9 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file,
 		 * be sent at once */
 		if (rdwr_arg.nmsgs > I2C_RDRW_IOCTL_MAX_MSGS)
 			return -EINVAL;
-		
+
 		rdwr_pa = (struct i2c_msg *)
-			kmalloc(rdwr_arg.nmsgs * sizeof(struct i2c_msg), 
+			kmalloc(rdwr_arg.nmsgs * sizeof(struct i2c_msg),
 			GFP_KERNEL);
 
 		if (rdwr_pa == NULL) return -ENOMEM;
@@ -277,9 +277,9 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file,
 		                   (struct i2c_smbus_ioctl_data __user *) arg,
 		                   sizeof(struct i2c_smbus_ioctl_data)))
 			return -EFAULT;
-		if ((data_arg.size != I2C_SMBUS_BYTE) && 
+		if ((data_arg.size != I2C_SMBUS_BYTE) &&
 		    (data_arg.size != I2C_SMBUS_QUICK) &&
-		    (data_arg.size != I2C_SMBUS_BYTE_DATA) && 
+		    (data_arg.size != I2C_SMBUS_BYTE_DATA) &&
 		    (data_arg.size != I2C_SMBUS_WORD_DATA) &&
 		    (data_arg.size != I2C_SMBUS_PROC_CALL) &&
 		    (data_arg.size != I2C_SMBUS_BLOCK_DATA) &&
@@ -290,11 +290,11 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file,
 				data_arg.size);
 			return -EINVAL;
 		}
-		/* Note that I2C_SMBUS_READ and I2C_SMBUS_WRITE are 0 and 1, 
+		/* Note that I2C_SMBUS_READ and I2C_SMBUS_WRITE are 0 and 1,
 		   so the check is valid if size==I2C_SMBUS_QUICK too. */
-		if ((data_arg.read_write != I2C_SMBUS_READ) && 
+		if ((data_arg.read_write != I2C_SMBUS_READ) &&
 		    (data_arg.read_write != I2C_SMBUS_WRITE)) {
-			dev_dbg(&client->adapter->dev, 
+			dev_dbg(&client->adapter->dev,
 				"read_write out of range (%x) in ioctl I2C_SMBUS.\n",
 				data_arg.read_write);
 			return -EINVAL;
@@ -303,7 +303,7 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file,
 		/* Note that command values are always valid! */
 
 		if ((data_arg.size == I2C_SMBUS_QUICK) ||
-		    ((data_arg.size == I2C_SMBUS_BYTE) && 
+		    ((data_arg.size == I2C_SMBUS_BYTE) &&
 		    (data_arg.read_write == I2C_SMBUS_WRITE)))
 			/* These are special: we do not use data */
 			return i2c_smbus_xfer(client->adapter, client->addr,
@@ -321,14 +321,14 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file,
 		if ((data_arg.size == I2C_SMBUS_BYTE_DATA) ||
 		    (data_arg.size == I2C_SMBUS_BYTE))
 			datasize = sizeof(data_arg.data->byte);
-		else if ((data_arg.size == I2C_SMBUS_WORD_DATA) || 
+		else if ((data_arg.size == I2C_SMBUS_WORD_DATA) ||
 		         (data_arg.size == I2C_SMBUS_PROC_CALL))
 			datasize = sizeof(data_arg.data->word);
 		else /* size == smbus block, i2c block, or block proc. call */
 			datasize = sizeof(data_arg.data->block);
 
-		if ((data_arg.size == I2C_SMBUS_PROC_CALL) || 
-		    (data_arg.size == I2C_SMBUS_BLOCK_PROC_CALL) || 
+		if ((data_arg.size == I2C_SMBUS_PROC_CALL) ||
+		    (data_arg.size == I2C_SMBUS_BLOCK_PROC_CALL) ||
 		    (data_arg.read_write == I2C_SMBUS_WRITE)) {
 			if (copy_from_user(&temp, data_arg.data, datasize))
 				return -EFAULT;
@@ -336,8 +336,8 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file,
 		res = i2c_smbus_xfer(client->adapter,client->addr,client->flags,
 		      data_arg.read_write,
 		      data_arg.command,data_arg.size,&temp);
-		if (! res && ((data_arg.size == I2C_SMBUS_PROC_CALL) || 
-		              (data_arg.size == I2C_SMBUS_BLOCK_PROC_CALL) || 
+		if (! res && ((data_arg.size == I2C_SMBUS_PROC_CALL) ||
+		              (data_arg.size == I2C_SMBUS_BLOCK_PROC_CALL) ||
 			      (data_arg.read_write == I2C_SMBUS_READ))) {
 			if (copy_to_user(data_arg.data, &temp, datasize))
 				return -EFAULT;