i2c: Remove NOP i2c_algorithm.algo_control() methods

This removes NOP implementations of i2c_algorithm.algo_control.

With this change, there are no implementations of this hook in
the kernel.org tree ... that hook seems about ripe to remove.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

drivers/i2c/busses/i2c-iop3xx.c

@@ -389,13 +389,6 @@ iop3xx_i2c_master_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs,
 	return im;   
 }
 
-static int 
-iop3xx_i2c_algo_control(struct i2c_adapter *adapter, unsigned int cmd,
-			unsigned long arg)
-{
-	return 0;
-}
-
 static u32 
 iop3xx_i2c_func(struct i2c_adapter *adap)
 {
@@ -404,7 +397,6 @@ iop3xx_i2c_func(struct i2c_adapter *adap)
 
 static const struct i2c_algorithm iop3xx_i2c_algo = {
 	.master_xfer	= iop3xx_i2c_master_xfer,
-	.algo_control	= iop3xx_i2c_algo_control,
 	.functionality	= iop3xx_i2c_func,
 };
 

drivers/media/video/bt8xx/bttv-i2c.c

@@ -124,12 +124,6 @@ static struct i2c_adapter bttv_i2c_adap_sw_template = {
 /* ----------------------------------------------------------------------- */
 /* I2C functions - hardware i2c                                            */
 
-static int algo_control(struct i2c_adapter *adapter,
-			unsigned int cmd, unsigned long arg)
-{
-	return 0;
-}
-
 static u32 functionality(struct i2c_adapter *adap)
 {
 	return I2C_FUNC_SMBUS_EMUL;
@@ -278,7 +272,6 @@ static int bttv_i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int
 
 static struct i2c_algorithm bttv_algo = {
 	.master_xfer   = bttv_i2c_xfer,
-	.algo_control  = algo_control,
 	.functionality = functionality,
 };
 

drivers/media/video/em28xx/em28xx-i2c.c

@@ -382,15 +382,6 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned char *eedata, int len)
 
 /* ----------------------------------------------------------- */
 
-/*
- * algo_control()
- */
-static int algo_control(struct i2c_adapter *adapter,
-			unsigned int cmd, unsigned long arg)
-{
-	return 0;
-}
-
 /*
  * functionality()
  */
@@ -475,7 +466,6 @@ static int attach_inform(struct i2c_client *client)
 
 static struct i2c_algorithm em28xx_algo = {
 	.master_xfer   = em28xx_i2c_xfer,
-	.algo_control  = algo_control,
 	.functionality = functionality,
 };
 

drivers/media/video/pvrusb2/pvrusb2-i2c-core.c

@@ -520,12 +520,6 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
 	return ret;
 }
 
-static int pvr2_i2c_control(struct i2c_adapter *adapter,
-			    unsigned int cmd, unsigned long arg)
-{
-	return 0;
-}
-
 static u32 pvr2_i2c_functionality(struct i2c_adapter *adap)
 {
 	return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C;
@@ -942,7 +936,6 @@ static int pvr2_i2c_detach_inform(struct i2c_client *client)
 
 static struct i2c_algorithm pvr2_i2c_algo_template = {
 	.master_xfer   = pvr2_i2c_xfer,
-	.algo_control  = pvr2_i2c_control,
 	.functionality = pvr2_i2c_functionality,
 };
 

drivers/media/video/saa7134/saa7134-i2c.c

@@ -314,12 +314,6 @@ static int saa7134_i2c_xfer(struct i2c_adapter *i2c_adap,
 
 /* ----------------------------------------------------------- */
 
-static int algo_control(struct i2c_adapter *adapter,
-			unsigned int cmd, unsigned long arg)
-{
-	return 0;
-}
-
 static u32 functionality(struct i2c_adapter *adap)
 {
 	return I2C_FUNC_SMBUS_EMUL;
@@ -387,7 +381,6 @@ static int attach_inform(struct i2c_client *client)
 
 static struct i2c_algorithm saa7134_algo = {
 	.master_xfer   = saa7134_i2c_xfer,
-	.algo_control  = algo_control,
 	.functionality = functionality,
 };
 

drivers/media/video/usbvision/usbvision-i2c.c

@@ -183,11 +183,6 @@ usbvision_i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msgs[], int num)
 	return num;
 }
 
-static int algo_control(struct i2c_adapter *adapter, unsigned int cmd, unsigned long arg)
-{
-	return 0;
-}
-
 static u32 functionality(struct i2c_adapter *adap)
 {
 	return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_10BIT_ADDR;
@@ -199,7 +194,6 @@ static u32 functionality(struct i2c_adapter *adap)
 static struct i2c_algorithm usbvision_algo = {
 	.master_xfer   = usbvision_i2c_xfer,
 	.smbus_xfer    = NULL,
-	.algo_control  = algo_control,
 	.functionality = functionality,
 };
 

drivers/media/video/w9968cf.c

@@ -444,8 +444,6 @@ static int w9968cf_i2c_smbus_xfer(struct i2c_adapter*, u16 addr,
 static u32 w9968cf_i2c_func(struct i2c_adapter*);
 static int w9968cf_i2c_attach_inform(struct i2c_client*);
 static int w9968cf_i2c_detach_inform(struct i2c_client*);
-static int w9968cf_i2c_control(struct i2c_adapter*, unsigned int cmd,
-			       unsigned long arg);
 
 /* Memory management */
 static void* rvmalloc(unsigned long size);
@@ -1543,21 +1541,12 @@ static int w9968cf_i2c_detach_inform(struct i2c_client* client)
 }
 
 
-static int
-w9968cf_i2c_control(struct i2c_adapter* adapter, unsigned int cmd,
-		    unsigned long arg)
-{
-	return 0;
-}
-
-
 static int w9968cf_i2c_init(struct w9968cf_device* cam)
 {
 	int err = 0;
 
 	static struct i2c_algorithm algo = {
 		.smbus_xfer =    w9968cf_i2c_smbus_xfer,
-		.algo_control =  w9968cf_i2c_control,
 		.functionality = w9968cf_i2c_func,
 	};