[i2c] [patch 2.6.19-rc5] remove extraneous whitespce in i2c core

David Brownell david-b at pacbell.net
Fri Nov 17 22:11:58 CET 2006


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 at users.sourceforge.net>

Index: o26/include/linux/i2c-algo-bit.h
===================================================================
--- o26.orig/include/linux/i2c-algo-bit.h	2006-11-16 01:23:12.000000000 -0800
+++ o26/include/linux/i2c-algo-bit.h	2006-11-17 12:58:53.000000000 -0800
@@ -26,9 +26,9 @@
 
 /* --- Defines for bit-adapters ---------------------------------------	*/
 /*
- * This struct contains the hw-dependent functions of bit-style adapters to 
+ * This struct contains the hw-dependent functions of bit-style adapters to
  * manipulate the line states, and to init any hw-specific features. This is
- * only used if you have more than one hw-type of adapter running. 
+ * only used if you have more than one hw-type of adapter running.
  */
 struct i2c_algo_bit_data {
 	void *data;		/* private data for lowlevel routines */
Index: o26/include/linux/i2c-id.h
===================================================================
--- o26.orig/include/linux/i2c-id.h	2006-11-16 01:23:12.000000000 -0800
+++ o26/include/linux/i2c-id.h	2006-11-17 13:00:48.000000000 -0800
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------- */
-/* 									     */
+/*									     */
 /* i2c-id.h - identifier values for i2c drivers and adapters		     */
-/* 									     */
+/*									     */
 /* ------------------------------------------------------------------------- */
 /*   Copyright (C) 1995-1999 Simon G. Vogl
 
@@ -40,10 +40,10 @@
 #define I2C_DRIVERID_SAA7120	11	/* video encoder		*/
 #define I2C_DRIVERID_SAA7121	12	/* video encoder		*/
 #define I2C_DRIVERID_SAA7185B	13	/* video encoder		*/
-#define I2C_DRIVERID_CH7003	14	/* digital pc to tv encoder 	*/
+#define I2C_DRIVERID_CH7003	14	/* digital pc to tv encoder	*/
 #define I2C_DRIVERID_PCF8574A	15	/* i2c expander - 8 bit in/out	*/
 #define I2C_DRIVERID_PCF8582C	16	/* eeprom			*/
-#define I2C_DRIVERID_AT24Cxx	17	/* eeprom 1/2/4/8/16 K 		*/
+#define I2C_DRIVERID_AT24Cxx	17	/* eeprom 1/2/4/8/16 K		*/
 #define I2C_DRIVERID_TEA6300	18	/* audio mixer			*/
 #define I2C_DRIVERID_BT829	19	/* pc to tv encoder		*/
 #define I2C_DRIVERID_TDA9850	20	/* audio mixer			*/
@@ -166,7 +166,7 @@
  * ---- Adapter types ----------------------------------------------------
  */
 
-/* --- Bit algorithm adapters 						*/
+/* --- Bit algorithm adapters						*/
 #define I2C_HW_B_LP		0x010000 /* Parallel port Philips style */
 #define I2C_HW_B_SER		0x010002 /* Serial line interface */
 #define I2C_HW_B_BT848		0x010005 /* BT848 video boards */
Index: o26/drivers/i2c/i2c-core.c
===================================================================
--- o26.orig/drivers/i2c/i2c-core.c	2006-11-17 12:37:54.000000000 -0800
+++ o26/drivers/i2c/i2c-core.c	2006-11-17 12:58:09.000000000 -0800
@@ -148,7 +148,7 @@ static ssize_t show_client_name(struct d
 	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.
@@ -160,8 +160,8 @@ static struct device_attribute dev_attr_
 
 
 /* ---------------------------------------------------
- * registering functions 
- * --------------------------------------------------- 
+ * registering functions
+ * ---------------------------------------------------
  */
 
 /* -----
@@ -335,7 +335,7 @@ int i2c_register_driver(struct module *o
 	res = driver_register(&driver->driver);
 	if (res)
 		return res;
-	
+
 	mutex_lock(&core_lists);
 
 	list_add_tail(&driver->list,&drivers);
@@ -359,13 +359,13 @@ int i2c_del_driver(struct i2c_driver *dr
 	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) {
@@ -440,14 +440,14 @@ int i2c_attach_client(struct i2c_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",
@@ -488,7 +488,7 @@ int i2c_detach_client(struct i2c_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);
@@ -556,10 +556,10 @@ int i2c_release_client(struct i2c_client
 			 __FUNCTION__);
 		return -EPERM;
 	}
-	
+
 	client->usage_count--;
 	i2c_dec_use_client(client);
-	
+
 	return 0;
 }
 
@@ -645,7 +645,7 @@ int i2c_master_send(struct i2c_client *c
 	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
@@ -778,7 +778,7 @@ int i2c_probe(struct i2c_adapter *adapte
 	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");
@@ -838,7 +838,7 @@ int i2c_probe(struct i2c_adapter *adapte
 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))
@@ -855,14 +855,14 @@ void i2c_put_adapter(struct i2c_adapter 
 
 /* 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;
 	}
@@ -912,13 +912,13 @@ static int i2c_smbus_check_pec(u8 cpec, 
 			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)
@@ -1017,11 +1017,11 @@ s32 i2c_smbus_write_i2c_block_data(struc
 			      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
@@ -1031,7 +1031,7 @@ static s32 i2c_smbus_xfer_emulated(struc
 	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;
@@ -1124,14 +1124,14 @@ static s32 i2c_smbus_xfer_emulated(struc
 	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)
@@ -1151,7 +1151,7 @@ static s32 i2c_smbus_xfer_emulated(struc
 			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;
@@ -1167,7 +1167,7 @@ static s32 i2c_smbus_xfer_emulated(struc
 
 
 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;
Index: o26/include/linux/i2c-algo-pcf.h
===================================================================
--- o26.orig/include/linux/i2c-algo-pcf.h	2006-11-16 01:23:12.000000000 -0800
+++ o26/include/linux/i2c-algo-pcf.h	2006-11-17 12:59:08.000000000 -0800
@@ -31,7 +31,7 @@ struct i2c_algo_pcf_data {
 	int  (*getpcf) (void *data, int ctl);
 	int  (*getown) (void *data);
 	int  (*getclock) (void *data);
-	void (*waitforpin) (void);     
+	void (*waitforpin) (void);
 
 	/* local settings */
 	int udelay;
Index: o26/include/linux/i2c-algo-ite.h
===================================================================
--- o26.orig/include/linux/i2c-algo-ite.h	2006-11-16 01:23:12.000000000 -0800
+++ o26/include/linux/i2c-algo-ite.h	2006-11-17 12:59:00.000000000 -0800
@@ -32,7 +32,7 @@
 #include <linux/types.h>
 
 /* Example of a sequential read request:
-	struct i2c_iic_msg s_msg; 
+	struct i2c_iic_msg s_msg;
 
 	s_msg.addr=device_address;
 	s_msg.len=length;
@@ -58,7 +58,7 @@ struct i2c_algo_iic_data {
 	int  (*getiic) (void *data, int ctl);
 	int  (*getown) (void *data);
 	int  (*getclock) (void *data);
-	void (*waitforpin) (void);     
+	void (*waitforpin) (void);
 
 	/* local settings */
 	int udelay;
Index: o26/include/linux/i2c.h
===================================================================
--- o26.orig/include/linux/i2c.h	2006-11-17 12:41:13.000000000 -0800
+++ o26/include/linux/i2c.h	2006-11-17 13:00:38.000000000 -0800
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------- */
-/* 									     */
+/*									     */
 /* i2c.h - definitions for the i2c-bus interface			     */
-/* 									     */
+/*									     */
 /* ------------------------------------------------------------------------- */
 /*   Copyright (C) 1995-2000 Simon G. Vogl
 
@@ -27,7 +27,7 @@
 #define _LINUX_I2C_H
 
 #include <linux/types.h>
-#ifdef __KERNEL__ 
+#ifdef __KERNEL__
 #include <linux/module.h>
 #include <linux/i2c-id.h>
 #include <linux/mod_devicetable.h>
@@ -53,8 +53,8 @@ union i2c_smbus_data;
 
 /*
  * The master routines are the ones normally used to transmit data to devices
- * on a bus (or read from them). Apart from two basic transfer functions to 
- * transmit one message at a time, a more complex version can be used to 
+ * on a bus (or read from them). Apart from two basic transfer functions to
+ * transmit one message at a time, a more complex version can be used to
  * transmit an arbitrary number of messages without interruption.
  */
 extern int i2c_master_send(struct i2c_client *,const char* ,int);
@@ -67,10 +67,10 @@ extern int i2c_transfer(struct i2c_adapt
 
 /* This is the very generalized SMBus access routine. You probably do not
    want to use this, though; one of the functions below may be much easier,
-   and probably just as fast. 
+   and probably just as fast.
    Note that we use i2c_adapter here, because you do not need a specific
    smbus adapter to call this function. */
-extern s32 i2c_smbus_xfer (struct i2c_adapter * adapter, u16 addr, 
+extern s32 i2c_smbus_xfer (struct i2c_adapter * adapter, u16 addr,
                            unsigned short flags,
                            char read_write, u8 command, int size,
                            union i2c_smbus_data * data);
@@ -112,14 +112,14 @@ struct i2c_driver {
 
 	/* Notifies the driver that a new bus has appeared. This routine
 	 * can be used by the driver to test if the bus meets its conditions
-	 * & seek for the presence of the chip(s) it supports. If found, it 
+	 * & seek for the presence of the chip(s) it supports. If found, it
 	 * registers the client(s) that are on the bus to the i2c admin. via
 	 * i2c_attach_client.
 	 */
 	int (*attach_adapter)(struct i2c_adapter *);
 	int (*detach_adapter)(struct i2c_adapter *);
 
-	/* tells the driver that a client is about to be deleted & gives it 
+	/* tells the driver that a client is about to be deleted & gives it
 	 * the chance to remove its private data. Also, if the client struct
 	 * has been dynamically allocated by the driver in the function above,
 	 * it must be freed here.
@@ -144,13 +144,13 @@ struct i2c_driver {
 #define I2C_NAME_SIZE	50
 
 /*
- * i2c_client identifies a single device (i.e. chip) that is connected to an 
+ * i2c_client identifies a single device (i.e. chip) that is connected to an
  * i2c bus. The behaviour is defined by the routines of the driver. This
  * function is mainly used for lookup & other admin. functions.
  */
 struct i2c_client {
 	unsigned int flags;		/* div., see below		*/
-	unsigned short addr;		/* chip address - NOTE: 7bit 	*/
+	unsigned short addr;		/* chip address - NOTE: 7bit	*/
 					/* addresses are stored in the	*/
 					/* _LOWER_ 7 bits		*/
 	struct i2c_adapter *adapter;	/* the adapter we sit on	*/
@@ -187,14 +187,14 @@ static inline void i2c_set_clientdata (s
  */
 struct i2c_algorithm {
 	/* If an adapter algorithm can't do I2C-level access, set master_xfer
-	   to NULL. If an adapter algorithm can do SMBus access, set 
+	   to NULL. If an adapter algorithm can do SMBus access, set
 	   smbus_xfer. If set to NULL, the SMBus protocol is simulated
 	   using common I2C messages */
 	/* master_xfer should return the number of messages successfully
 	   processed, or a negative value on error */
-	int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs, 
+	int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs,
 	                   int num);
-	int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr, 
+	int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr,
 	                   unsigned short flags, char read_write,
 	                   u8 command, int size, union i2c_smbus_data * data);
 
@@ -321,7 +321,7 @@ extern int i2c_check_addr (struct i2c_ad
  * It will only call found_proc if some client is connected at the
  * specific address (unless a 'force' matched);
  */
-extern int i2c_probe(struct i2c_adapter *adapter, 
+extern int i2c_probe(struct i2c_adapter *adapter,
 		struct i2c_client_address_data *address_data,
 		int (*found_proc) (struct i2c_adapter *, int, int));
 
@@ -357,15 +357,15 @@ static inline int i2c_adapter_id(struct 
  */
 struct i2c_msg {
 	__u16 addr;	/* slave address			*/
- 	__u16 flags;		
+	__u16 flags;
 #define I2C_M_TEN	0x10	/* we have a ten bit chip address	*/
 #define I2C_M_RD	0x01
 #define I2C_M_NOSTART	0x4000
 #define I2C_M_REV_DIR_ADDR	0x2000
 #define I2C_M_IGNORE_NAK	0x1000
 #define I2C_M_NO_RD_ACK		0x0800
- 	__u16 len;		/* msg length				*/
- 	__u8 *buf;		/* pointer to msg data			*/
+	__u16 len;		/* msg length				*/
+	__u8 *buf;		/* pointer to msg data			*/
 };
 
 /* To determine what functionality is present */
@@ -375,16 +375,16 @@ struct i2c_msg {
 #define I2C_FUNC_PROTOCOL_MANGLING	0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */
 #define I2C_FUNC_SMBUS_HWPEC_CALC	0x00000008 /* SMBus 2.0 */
 #define I2C_FUNC_SMBUS_BLOCK_PROC_CALL	0x00008000 /* SMBus 2.0 */
-#define I2C_FUNC_SMBUS_QUICK		0x00010000 
-#define I2C_FUNC_SMBUS_READ_BYTE	0x00020000 
-#define I2C_FUNC_SMBUS_WRITE_BYTE	0x00040000 
-#define I2C_FUNC_SMBUS_READ_BYTE_DATA	0x00080000 
-#define I2C_FUNC_SMBUS_WRITE_BYTE_DATA	0x00100000 
-#define I2C_FUNC_SMBUS_READ_WORD_DATA	0x00200000 
-#define I2C_FUNC_SMBUS_WRITE_WORD_DATA	0x00400000 
-#define I2C_FUNC_SMBUS_PROC_CALL	0x00800000 
-#define I2C_FUNC_SMBUS_READ_BLOCK_DATA	0x01000000 
-#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000 
+#define I2C_FUNC_SMBUS_QUICK		0x00010000
+#define I2C_FUNC_SMBUS_READ_BYTE	0x00020000
+#define I2C_FUNC_SMBUS_WRITE_BYTE	0x00040000
+#define I2C_FUNC_SMBUS_READ_BYTE_DATA	0x00080000
+#define I2C_FUNC_SMBUS_WRITE_BYTE_DATA	0x00100000
+#define I2C_FUNC_SMBUS_READ_WORD_DATA	0x00200000
+#define I2C_FUNC_SMBUS_WRITE_WORD_DATA	0x00400000
+#define I2C_FUNC_SMBUS_PROC_CALL	0x00800000
+#define I2C_FUNC_SMBUS_READ_BLOCK_DATA	0x01000000
+#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK	0x04000000 /* I2C-like block xfer  */
 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK	0x08000000 /* w/ 1-byte reg. addr. */
 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2	 0x10000000 /* I2C-like block xfer  */
@@ -411,10 +411,10 @@ struct i2c_msg {
                              I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
                              I2C_FUNC_SMBUS_I2C_BLOCK)
 
-/* 
- * Data for SMBus Messages 
+/*
+ * Data for SMBus Messages
  */
-#define I2C_SMBUS_BLOCK_MAX	32	/* As specified in SMBus standard */	
+#define I2C_SMBUS_BLOCK_MAX	32	/* As specified in SMBus standard */
 union i2c_smbus_data {
 	__u8 byte;
 	__u16 word;
@@ -426,11 +426,11 @@ union i2c_smbus_data {
 #define I2C_SMBUS_READ	1
 #define I2C_SMBUS_WRITE	0
 
-/* SMBus transaction types (size parameter in the above functions) 
+/* SMBus transaction types (size parameter in the above functions)
    Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */
 #define I2C_SMBUS_QUICK		    0
 #define I2C_SMBUS_BYTE		    1
-#define I2C_SMBUS_BYTE_DATA	    2 
+#define I2C_SMBUS_BYTE_DATA	    2
 #define I2C_SMBUS_WORD_DATA	    3
 #define I2C_SMBUS_PROC_CALL	    4
 #define I2C_SMBUS_BLOCK_DATA	    5
@@ -439,15 +439,15 @@ union i2c_smbus_data {
 
 
 /* ----- commands for the ioctl like i2c_command call:
- * note that additional calls are defined in the algorithm and hw 
- *	dependent layers - these can be listed here, or see the 
+ * note that additional calls are defined in the algorithm and hw
+ *	dependent layers - these can be listed here, or see the
  *	corresponding header files.
  */
 				/* -> bit-adapter specific ioctls	*/
 #define I2C_RETRIES	0x0701	/* number of times a device address      */
 				/* should be polled when not            */
-                                /* acknowledging 			*/
-#define I2C_TIMEOUT	0x0702	/* set timeout - call with int 		*/
+                                /* acknowledging			*/
+#define I2C_TIMEOUT	0x0702	/* set timeout - call with int		*/
 
 
 /* this is for i2c-dev.c	*/
Index: o26/drivers/i2c/i2c-dev.c
===================================================================
--- o26.orig/drivers/i2c/i2c-dev.c	2006-11-16 01:23:12.000000000 -0800
+++ o26/drivers/i2c/i2c-dev.c	2006-11-17 12:58:36.000000000 -0800
@@ -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 at dds.nl>
@@ -171,7 +171,7 @@ static int i2cdev_ioctl(struct inode *in
 	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 *in
 		                     sizeof(unsigned long)))?-EFAULT:0;
 
 	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 *in
 		 * 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 *in
 		                   (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 *in
 				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 *in
 		/* 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 *in
 		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 *in
 		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;



More information about the i2c mailing list