i2c: merge all i2c_reg_read() and i2c_reg_write() into inline functions

All implementations of the functions i2c_reg_read() and
i2c_reg_write() are identical. We can save space and simplify the
code by converting these functions into inlines and putting them in
i2c.h.

Signed-off-by: Timur Tabi <timur@freescale.com>
Acked-By: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

11 files changed, 0 insertions, 194 deletions

diff --git a/cpu/arm920t/at91rm9200/i2c.c b/cpu/arm920t/at91rm9200/i2c.c
index b68c5dd826..9fd72d3977 100644
--- a/cpu/arm920t/at91rm9200/i2c.c
+++ b/cpu/arm920t/at91rm9200/i2c.c
@@ -189,20 +189,6 @@ i2c_init(int speed, int slaveaddr)
 	return;
 }
 
-uchar i2c_reg_read(uchar i2c_addr, uchar reg)
-{
-	unsigned char buf;
-
-	i2c_read(i2c_addr, reg, 1, &buf, 1);
-
-	return(buf);
-}
-
-void i2c_reg_write(uchar i2c_addr, uchar reg, uchar val)
-{
-	i2c_write(i2c_addr, reg, 1, &val, 1);
-}
-
 int i2c_set_bus_speed(unsigned int speed)
 {
 	return -1;
diff --git a/cpu/arm926ejs/davinci/i2c.c b/cpu/arm926ejs/davinci/i2c.c
index d220a4c728..3ba20ef186 100644
--- a/cpu/arm926ejs/davinci/i2c.c
+++ b/cpu/arm926ejs/davinci/i2c.c
@@ -331,21 +331,4 @@ int i2c_write(u_int8_t chip, u_int32_t addr, int alen, u_int8_t *buf, int len)
 	return(0);
 }
 
-
-u_int8_t i2c_reg_read(u_int8_t chip, u_int8_t reg)
-{
-	u_int8_t	tmp;
-
-	i2c_read(chip, reg, 1, &tmp, 1);
-	return(tmp);
-}
-
-
-void i2c_reg_write(u_int8_t chip, u_int8_t reg, u_int8_t val)
-{
-	u_int8_t	tmp;
-
-	i2c_write(chip, reg, 1, &tmp, 1);
-}
-
 #endif /* CONFIG_DRIVER_DAVINCI_I2C */
diff --git a/cpu/blackfin/i2c.c b/cpu/blackfin/i2c.c
index 60f03d47a1..2a3e2238c3 100644
--- a/cpu/blackfin/i2c.c
+++ b/cpu/blackfin/i2c.c
@@ -425,20 +425,4 @@ int i2c_write(uchar chip, uint addr, int alen, uchar * buffer, int len)
 
 }
 
-uchar i2c_reg_read(uchar chip, uchar reg)
-{
-	uchar buf;
-
-	PRINTD("i2c_reg_read: chip=0x%02x, reg=0x%02x\n", chip, reg);
-	i2c_read(chip, reg, 0, &buf, 1);
-	return (buf);
-}
-
-void i2c_reg_write(uchar chip, uchar reg, uchar val)
-{
-	PRINTD("i2c_reg_write: chip=0x%02x, reg=0x%02x, val=0x%02x\n", chip,
-			reg, val);
-	i2c_write(chip, reg, 0, &val, 1);
-}
-
 #endif /* CONFIG_HARD_I2C */
diff --git a/cpu/mpc512x/i2c.c b/cpu/mpc512x/i2c.c
index 77a6f0dc48..4f6bc86404 100644
--- a/cpu/mpc512x/i2c.c
+++ b/cpu/mpc512x/i2c.c
@@ -382,23 +382,6 @@ Done:
 	return ret;
 }
 
-uchar i2c_reg_read (uchar chip, uchar reg)
-{
-	uchar buf;
-
-	i2c_read (chip, reg, 1, &buf, 1);
-
-	return buf;
-}
-
-void i2c_reg_write (uchar chip, uchar reg, uchar val)
-{
-	i2c_write (chip, reg, 1, &val, 1);
-
-	return;
-}
-
-
 int i2c_set_bus_num (unsigned int bus)
 {
 	if (bus >= I2C_BUS_CNT) {
diff --git a/cpu/mpc5xxx/i2c.c b/cpu/mpc5xxx/i2c.c
index 4d16bbe774..7d76274ad3 100644
--- a/cpu/mpc5xxx/i2c.c
+++ b/cpu/mpc5xxx/i2c.c
@@ -380,20 +380,4 @@ Done:
 	return ret;
 }
 
-uchar i2c_reg_read(uchar chip, uchar reg)
-{
-	uchar buf;
-
-	i2c_read(chip, reg, 1, &buf, 1);
-
-	return buf;
-}
-
-void i2c_reg_write(uchar chip, uchar reg, uchar val)
-{
-	i2c_write(chip, reg, 1, &val, 1);
-
-	return;
-}
-
 #endif	/* CONFIG_HARD_I2C */
diff --git a/cpu/mpc8220/i2c.c b/cpu/mpc8220/i2c.c
index d67936dc31..76ecdf11e2 100644
--- a/cpu/mpc8220/i2c.c
+++ b/cpu/mpc8220/i2c.c
@@ -387,20 +387,4 @@ int i2c_write (uchar chip, uint addr, int alen, uchar * buf, int len)
 	return ret;
 }
 
-uchar i2c_reg_read (uchar chip, uchar reg)
-{
-	uchar buf;
-
-	i2c_read (chip, reg, 1, &buf, 1);
-
-	return buf;
-}
-
-void i2c_reg_write (uchar chip, uchar reg, uchar val)
-{
-	i2c_write (chip, reg, 1, &val, 1);
-
-	return;
-}
-
 #endif /* CONFIG_HARD_I2C */
diff --git a/cpu/mpc824x/drivers/i2c/i2c.c b/cpu/mpc824x/drivers/i2c/i2c.c
index 854345e146..637ae4c1b1 100644
--- a/cpu/mpc824x/drivers/i2c/i2c.c
+++ b/cpu/mpc824x/drivers/i2c/i2c.c
@@ -267,18 +267,4 @@ int i2c_probe (uchar chip)
 	return i2c_read (chip, 0, 1, (uchar *) &tmp, 1);
 }
 
-uchar i2c_reg_read (uchar i2c_addr, uchar reg)
-{
-	uchar buf[1];
-
-	i2c_read (i2c_addr, reg, 1, buf, 1);
-
-	return (buf[0]);
-}
-
-void i2c_reg_write (uchar i2c_addr, uchar reg, uchar val)
-{
-	i2c_write (i2c_addr, reg, 1, &val, 1);
-}
-
 #endif /* CONFIG_HARD_I2C */
diff --git a/cpu/mpc8260/i2c.c b/cpu/mpc8260/i2c.c
index c12463994f..35cf8f1434 100644
--- a/cpu/mpc8260/i2c.c
+++ b/cpu/mpc8260/i2c.c
@@ -753,22 +753,6 @@ i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
 	return 0;
 }
 
-uchar
-i2c_reg_read(uchar chip, uchar reg)
-{
-	uchar buf;
-
-	i2c_read(chip, reg, 1, &buf, 1);
-
-	return (buf);
-}
-
-void
-i2c_reg_write(uchar chip, uchar reg, uchar val)
-{
-	i2c_write(chip, reg, 1, &val, 1);
-}
-
 #if defined(CONFIG_I2C_MULTI_BUS)
 /*
  * Functions for multiple I2C bus handling
diff --git a/cpu/mpc8xx/i2c.c b/cpu/mpc8xx/i2c.c
index 29c7c71bbc..338cababe8 100644
--- a/cpu/mpc8xx/i2c.c
+++ b/cpu/mpc8xx/i2c.c
@@ -42,19 +42,6 @@ DECLARE_GLOBAL_DATA_PTR;
 /* define to enable debug messages */
 #undef	DEBUG_I2C
 
-/*-----------------------------------------------------------------------
- * Set default values
- */
-#ifndef	CONFIG_SYS_I2C_SPEED
-#define	CONFIG_SYS_I2C_SPEED	50000
-#endif
-
-#ifndef	CONFIG_SYS_I2C_SLAVE
-#define	CONFIG_SYS_I2C_SLAVE	0xFE
-#endif
-/*-----------------------------------------------------------------------
- */
-
 /* tx/rx timeout (we need the i2c early, so we don't use get_timer()) */
 #define TOUT_LOOP 1000000
 
@@ -717,24 +704,4 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
 	return 0;
 }
 
-uchar
-i2c_reg_read(uchar i2c_addr, uchar reg)
-{
-	uchar buf;
-
-	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
-
-	i2c_read(i2c_addr, reg, 1, &buf, 1);
-
-	return (buf);
-}
-
-void
-i2c_reg_write(uchar i2c_addr, uchar reg, uchar val)
-{
-	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
-
-	i2c_write(i2c_addr, reg, 1, &val, 1);
-}
-
 #endif	/* CONFIG_HARD_I2C */
diff --git a/cpu/ppc4xx/i2c.c b/cpu/ppc4xx/i2c.c
index 9073ee240b..9d416ca5e8 100644
--- a/cpu/ppc4xx/i2c.c
+++ b/cpu/ppc4xx/i2c.c
@@ -419,26 +419,6 @@ int i2c_write(uchar chip, uint addr, int alen, uchar * buffer, int len)
 	return (i2c_transfer(0, chip<<1, &xaddr[4-alen], alen, buffer, len ) != 0);
 }
 
-/*-----------------------------------------------------------------------
- * Read a register
- */
-uchar i2c_reg_read(uchar i2c_addr, uchar reg)
-{
-	uchar buf;
-
-	i2c_read(i2c_addr, reg, 1, &buf, 1);
-
-	return (buf);
-}
-
-/*-----------------------------------------------------------------------
- * Write a register
- */
-void i2c_reg_write(uchar i2c_addr, uchar reg, uchar val)
-{
-	i2c_write(i2c_addr, reg, 1, &val, 1);
-}
-
 #if defined(CONFIG_I2C_MULTI_BUS)
 /*
  * Functions for multiple I2C bus handling
diff --git a/cpu/pxa/i2c.c b/cpu/pxa/i2c.c
index 08042be1c1..6b72ba13a0 100644
--- a/cpu/pxa/i2c.c
+++ b/cpu/pxa/i2c.c
@@ -455,19 +455,4 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
 
 }
 
-uchar i2c_reg_read (uchar chip, uchar reg)
-{
-	uchar buf;
-
-	PRINTD(("i2c_reg_read(chip=0x%02x, reg=0x%02x)\n",chip,reg));
-	i2c_read(chip, reg, 1, &buf, 1);
-	return (buf);
-}
-
-void  i2c_reg_write(uchar chip, uchar reg, uchar val)
-{
-	PRINTD(("i2c_reg_write(chip=0x%02x, reg=0x%02x, val=0x%02x)\n",chip,reg,val));
-	i2c_write(chip, reg, 1, &val, 1);
-}
-
 #endif	/* CONFIG_HARD_I2C */