ARMV7: OMAP: I2C driver: cosmetic: make checkpatch-compatible

Signed-off-by: Michael Jones <michael.jones@matrix-vision.de>
Acked-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

drivers/i2c/omap24xx_i2c.c

@@ -31,8 +31,8 @@ DECLARE_GLOBAL_DATA_PTR;
 
 #define I2C_TIMEOUT	1000
 
-static void wait_for_bb (void);
-static u16 wait_for_pin (void);
+static void wait_for_bb(void);
+static u16 wait_for_pin(void);
 static void flush_fifo(void);
 
 static struct i2c *i2c_base = (struct i2c *)I2C_DEFAULT_BASE;
@@ -40,7 +40,7 @@ static struct i2c *i2c_base = (struct i2c *)I2C_DEFAULT_BASE;
 static unsigned int bus_initialized[I2C_BUS_MAX];
 static unsigned int current_bus;
 
-void i2c_init (int speed, int slaveadd)
+void i2c_init(int speed, int slaveadd)
 {
 	int psc, fsscll, fssclh;
 	int hsscll = 0, hssclh = 0;
@@ -107,9 +107,9 @@ void i2c_init (int speed, int slaveadd)
 		sclh = (unsigned int)fssclh;
 	}
 
-	if (readw (&i2c_base->con) & I2C_CON_EN) {
-		writew (0, &i2c_base->con);
-		udelay (50000);
+	if (readw(&i2c_base->con) & I2C_CON_EN) {
+		writew(0, &i2c_base->con);
+		udelay(50000);
 	}
 
 	writew(0x2, &i2c_base->sysc); /* for ES2 after soft reset */
@@ -130,35 +130,36 @@ void i2c_init (int speed, int slaveadd)
 	writew(sclh, &i2c_base->sclh);
 
 	/* own address */
-	writew (slaveadd, &i2c_base->oa);
-	writew (I2C_CON_EN, &i2c_base->con);
+	writew(slaveadd, &i2c_base->oa);
+	writew(I2C_CON_EN, &i2c_base->con);
 
 	/* have to enable intrrupts or OMAP i2c module doesn't work */
-	writew (I2C_IE_XRDY_IE | I2C_IE_RRDY_IE | I2C_IE_ARDY_IE |
+	writew(I2C_IE_XRDY_IE | I2C_IE_RRDY_IE | I2C_IE_ARDY_IE |
 		I2C_IE_NACK_IE | I2C_IE_AL_IE, &i2c_base->ie);
-	udelay (1000);
+	udelay(1000);
 	flush_fifo();
-	writew (0xFFFF, &i2c_base->stat);
-	writew (0, &i2c_base->cnt);
+	writew(0xFFFF, &i2c_base->stat);
+	writew(0, &i2c_base->cnt);
 
 	if (gd->flags & GD_FLG_RELOC)
 		bus_initialized[current_bus] = 1;
 }
 
-static int i2c_read_byte (u8 devaddr, u8 regoffset, u8 * value)
+static int i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
 {
 	int i2c_error = 0;
 	u16 status;
 
 	/* wait until bus not busy */
-	wait_for_bb ();
+	wait_for_bb();
 
 	/* one byte only */
-	writew (1, &i2c_base->cnt);
+	writew(1, &i2c_base->cnt);
 	/* set slave address */
-	writew (devaddr, &i2c_base->sa);
+	writew(devaddr, &i2c_base->sa);
 	/* no stop bit needed here */
-	writew (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_TRX, &i2c_base->con);
+	writew(I2C_CON_EN | I2C_CON_MST | I2C_CON_STT |
+	      I2C_CON_TRX, &i2c_base->con);
 
 	/* send register offset */
 	while (1) {
@@ -196,7 +197,7 @@ static int i2c_read_byte (u8 devaddr, u8 regoffset, u8 * value)
 		}
 		if (status & I2C_STAT_RRDY) {
 #if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX) || \
-    defined(CONFIG_OMAP44XX)
+	defined(CONFIG_OMAP44XX)
 			*value = readb(&i2c_base->data);
 #else
 			*value = readw(&i2c_base->data);
@@ -211,8 +212,8 @@ static int i2c_read_byte (u8 devaddr, u8 regoffset, u8 * value)
 
 read_exit:
 	flush_fifo();
-	writew (0xFFFF, &i2c_base->stat);
-	writew (0, &i2c_base->cnt);
+	writew(0xFFFF, &i2c_base->stat);
+	writew(0, &i2c_base->cnt);
 	return i2c_error;
 }
 
@@ -222,38 +223,37 @@ static void flush_fifo(void)
 	/* note: if you try and read data when its not there or ready
 	 * you get a bus error
 	 */
-	while(1){
+	while (1) {
 		stat = readw(&i2c_base->stat);
-		if(stat == I2C_STAT_RRDY){
+		if (stat == I2C_STAT_RRDY) {
 #if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX) || \
-    defined(CONFIG_OMAP44XX)
+	defined(CONFIG_OMAP44XX)
 			readb(&i2c_base->data);
 #else
 			readw(&i2c_base->data);
 #endif
-			writew(I2C_STAT_RRDY,&i2c_base->stat);
+			writew(I2C_STAT_RRDY, &i2c_base->stat);
 			udelay(1000);
-		}else
+		} else
 			break;
 	}
 }
 
-int i2c_probe (uchar chip)
+int i2c_probe(uchar chip)
 {
 	u16 status;
 	int res = 1; /* default = fail */
 
-	if (chip == readw (&i2c_base->oa)) {
+	if (chip == readw(&i2c_base->oa))
 		return res;
-	}
 
 	/* wait until bus not busy */
-	wait_for_bb ();
+	wait_for_bb();
 
 	/* try to write one byte */
-	writew (1, &i2c_base->cnt);
+	writew(1, &i2c_base->cnt);
 	/* set slave address */
-	writew (chip, &i2c_base->sa);
+	writew(chip, &i2c_base->sa);
 	/* stop bit needed here */
 	writew(I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_TRX |
 	       I2C_CON_STP, &i2c_base->con);
@@ -268,29 +268,30 @@ int i2c_probe (uchar chip)
 	writew(0, &i2c_base->con);
 
 	flush_fifo();
-	writew (0, &i2c_base->cnt); /* don't allow any more data in...we don't want it.*/
+	/* don't allow any more data in... we don't want it. */
+	writew(0, &i2c_base->cnt);
 	writew(0xFFFF, &i2c_base->stat);
 	return res;
 }
 
-int i2c_read (uchar chip, uint addr, int alen, uchar * buffer, int len)
+int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
 {
 	int i;
 
 	if (alen > 1) {
-		printf ("I2C read: addr len %d not supported\n", alen);
+		printf("I2C read: addr len %d not supported\n", alen);
 		return 1;
 	}
 
 	if (addr + len > 256) {
-		printf ("I2C read: address out of range\n");
+		printf("I2C read: address out of range\n");
 		return 1;
 	}
 
 	for (i = 0; i < len; i++) {
-		if (i2c_read_byte (chip, addr + i, &buffer[i])) {
-			printf ("I2C read: I/O error\n");
-			i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+		if (i2c_read_byte(chip, addr + i, &buffer[i])) {
+			printf("I2C read: I/O error\n");
+			i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 			return 1;
 		}
 	}
@@ -298,7 +299,7 @@ int i2c_read (uchar chip, uint addr, int alen, uchar * buffer, int len)
 	return 0;
 }
 
-int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len)
+int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
 {
 	int i;
 	u16 status;
@@ -374,40 +375,40 @@ write_exit:
 	return i2c_error;
 }
 
-static void wait_for_bb (void)
+static void wait_for_bb(void)
 {
 	int timeout = I2C_TIMEOUT;
 	u16 stat;
 
 	writew(0xFFFF, &i2c_base->stat);	/* clear current interrupts...*/
-	while ((stat = readw (&i2c_base->stat) & I2C_STAT_BB) && timeout--) {
-		writew (stat, &i2c_base->stat);
+	while ((stat = readw(&i2c_base->stat) & I2C_STAT_BB) && timeout--) {
+		writew(stat, &i2c_base->stat);
 		udelay(1000);
 	}
 
 	if (timeout <= 0) {
-		printf ("timed out in wait_for_bb: I2C_STAT=%x\n",
-			readw (&i2c_base->stat));
+		printf("timed out in wait_for_bb: I2C_STAT=%x\n",
+			readw(&i2c_base->stat));
 	}
 	writew(0xFFFF, &i2c_base->stat);	 /* clear delayed stuff*/
 }
 
-static u16 wait_for_pin (void)
+static u16 wait_for_pin(void)
 {
 	u16 status;
 	int timeout = I2C_TIMEOUT;
 
 	do {
-		udelay (1000);
-		status = readw (&i2c_base->stat);
-	} while (  !(status &
+		udelay(1000);
+		status = readw(&i2c_base->stat);
+	} while (!(status &
 		   (I2C_STAT_ROVR | I2C_STAT_XUDF | I2C_STAT_XRDY |
 		    I2C_STAT_RRDY | I2C_STAT_ARDY | I2C_STAT_NACK |
 		    I2C_STAT_AL)) && timeout--);
 
 	if (timeout <= 0) {
-		printf ("timed out in wait_for_pin: I2C_STAT=%x\n",
-			readw (&i2c_base->stat));
+		printf("timed out in wait_for_pin: I2C_STAT=%x\n",
+			readw(&i2c_base->stat));
 		writew(0xFFFF, &i2c_base->stat);
 		status = 0;
 	}
@@ -422,7 +423,7 @@ int i2c_set_bus_num(unsigned int bus)
 		return -1;
 	}
 
-#if I2C_BUS_MAX==3
+#if I2C_BUS_MAX == 3
 	if (bus == 2)
 		i2c_base = (struct i2c *)I2C_BASE3;
 	else
@@ -434,7 +435,7 @@ int i2c_set_bus_num(unsigned int bus)
 
 	current_bus = bus;
 
-	if(!bus_initialized[current_bus])
+	if (!bus_initialized[current_bus])
 		i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 
 	return 0;