[PATCH 3/3] i2c: imx: whitespace and checkpatch cleanup

[Philipp Zabel <p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>]

This patch fixes up some whitespace issues and addresses a few
checkpatch warnings.

Signed-off-by: Philipp Zabel <p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
---
 drivers/i2c/busses/i2c-imx.c | 53 ++++++++++++++++++++++++++------------------
 1 file changed, 32 insertions(+), 21 deletions(-)

diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index b5c9ce4..97bb104 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -201,7 +201,7 @@ struct imx_i2c_struct {
 	void __iomem		*base;
 	wait_queue_head_t	queue;
 	unsigned long		i2csr;
-	unsigned int 		disable_delay;
+	unsigned int		disable_delay;
 	int			stopped;
 	unsigned int		ifdr; /* IMX_I2C_IFDR */
 	unsigned int		cur_clk;
@@ -482,8 +482,8 @@ static void i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx)
 	i2c_clk_rate = clk_get_rate(i2c_imx->clk);
 	if (i2c_imx->cur_clk == i2c_clk_rate)
 		return;
-	else
-		i2c_imx->cur_clk = i2c_clk_rate;
+
+	i2c_imx->cur_clk = i2c_clk_rate;
 
 	div = (i2c_clk_rate + i2c_imx->bitrate - 1) / i2c_imx->bitrate;
 	if (div < i2c_clk_div[0].div)
@@ -491,7 +491,8 @@ static void i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx)
 	else if (div > i2c_clk_div[i2c_imx->hwdata->ndivs - 1].div)
 		i = i2c_imx->hwdata->ndivs - 1;
 	else
-		for (i = 0; i2c_clk_div[i].div < div; i++);
+		for (i = 0; i2c_clk_div[i].div < div; i++)
+			;
 
 	/* Store divider value */
 	i2c_imx->ifdr = i2c_clk_div[i].val;
@@ -527,8 +528,10 @@ static int i2c_imx_start(struct imx_i2c_struct *i2c_imx)
 		return result;
 	imx_i2c_write_reg(i2c_imx->ifdr, i2c_imx, IMX_I2C_IFDR);
 	/* Enable I2C controller */
-	imx_i2c_write_reg(i2c_imx->hwdata->i2sr_clr_opcode, i2c_imx, IMX_I2C_I2SR);
-	imx_i2c_write_reg(i2c_imx->hwdata->i2cr_ien_opcode, i2c_imx, IMX_I2C_I2CR);
+	imx_i2c_write_reg(i2c_imx->hwdata->i2sr_clr_opcode, i2c_imx,
+			  IMX_I2C_I2SR);
+	imx_i2c_write_reg(i2c_imx->hwdata->i2cr_ien_opcode, i2c_imx,
+			  IMX_I2C_I2CR);
 
 	/* Wait controller to be stable */
 	udelay(50);
@@ -781,7 +784,8 @@ static int i2c_imx_write(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs)
 	return 0;
 }
 
-static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs, bool is_lastmsg)
+static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs,
+			bool is_lastmsg)
 {
 	int i, result;
 	unsigned int temp;
@@ -823,6 +827,7 @@ static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs, bo
 	/* read data */
 	for (i = 0; i < msgs->len; i++) {
 		u8 len = 0;
+
 		result = i2c_imx_trx_complete(i2c_imx);
 		if (result)
 			return result;
@@ -843,8 +848,9 @@ static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs, bo
 		if (i == (msgs->len - 1)) {
 			if (is_lastmsg) {
 				/*
-				 * It must generate STOP before read I2DR to prevent
-				 * controller from generating another clock cycle
+				 * It must generate STOP before read I2DR to
+				 * prevent controller from generating another
+				 * clock cycle
 				 */
 				dev_dbg(&i2c_imx->adapter.dev,
 					"<%s> clear MSTA\n", __func__);
@@ -855,11 +861,13 @@ static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs, bo
 				i2c_imx->stopped = 1;
 			} else {
 				/*
-				 * For i2c master receiver repeat restart operation like:
+				 * For i2c master receiver repeat restart
+				 * operation like:
 				 * read -> repeat MSTA -> read/write
-				 * The controller must set MTX before read the last byte in
-				 * the first read operation, otherwise the first read cost
-				 * one extra clock cycle.
+				 * The controller must set MTX before read the
+				 * last byte in the first read operation,
+				 * otherwise the first read cost one extra clock
+				 * cycle.
 				 */
 				temp = readb(i2c_imx->base + IMX_I2C_I2CR);
 				temp |= I2CR_MTX;
@@ -918,15 +926,16 @@ static int i2c_imx_xfer(struct i2c_adapter *adapter,
 		/* write/read data */
 #ifdef CONFIG_I2C_DEBUG_BUS
 		temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2CR);
-		dev_dbg(&i2c_imx->adapter.dev, "<%s> CONTROL: IEN=%d, IIEN=%d, "
-			"MSTA=%d, MTX=%d, TXAK=%d, RSTA=%d\n", __func__,
+		dev_dbg(&i2c_imx->adapter.dev,
+			"<%s> CONTROL: IEN=%d, IIEN=%d, MSTA=%d, MTX=%d, TXAK=%d, RSTA=%d\n",
+			__func__,
 			(temp & I2CR_IEN ? 1 : 0), (temp & I2CR_IIEN ? 1 : 0),
 			(temp & I2CR_MSTA ? 1 : 0), (temp & I2CR_MTX ? 1 : 0),
 			(temp & I2CR_TXAK ? 1 : 0), (temp & I2CR_RSTA ? 1 : 0));
 		temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2SR);
 		dev_dbg(&i2c_imx->adapter.dev,
-			"<%s> STATUS: ICF=%d, IAAS=%d, IBB=%d, "
-			"IAL=%d, SRW=%d, IIF=%d, RXAK=%d\n", __func__,
+			"<%s> STATUS: ICF=%d, IAAS=%d, IBB=%d, IAL=%d, SRW=%d, IIF=%d, RXAK=%d\n",
+			__func__,
 			(temp & I2SR_ICF ? 1 : 0), (temp & I2SR_IAAS ? 1 : 0),
 			(temp & I2SR_IBB ? 1 : 0), (temp & I2SR_IAL ? 1 : 0),
 			(temp & I2SR_SRW ? 1 : 0), (temp & I2SR_IIF ? 1 : 0),
@@ -1001,11 +1010,12 @@ static int i2c_imx_probe(struct platform_device *pdev)
 				platform_get_device_id(pdev)->driver_data;
 
 	/* Setup i2c_imx driver structure */
-	strlcpy(i2c_imx->adapter.name, pdev->name, sizeof(i2c_imx->adapter.name));
+	strlcpy(i2c_imx->adapter.name, pdev->name,
+		sizeof(i2c_imx->adapter.name));
 	i2c_imx->adapter.owner		= THIS_MODULE;
 	i2c_imx->adapter.algo		= &i2c_imx_algo;
 	i2c_imx->adapter.dev.parent	= &pdev->dev;
-	i2c_imx->adapter.nr 		= pdev->id;
+	i2c_imx->adapter.nr		= pdev->id;
 	i2c_imx->adapter.dev.of_node	= pdev->dev.of_node;
 	i2c_imx->base			= base;
 
@@ -1045,7 +1055,8 @@ static int i2c_imx_probe(struct platform_device *pdev)
 	/* Set up chip registers to defaults */
 	imx_i2c_write_reg(i2c_imx->hwdata->i2cr_ien_opcode ^ I2CR_IEN,
 			i2c_imx, IMX_I2C_I2CR);
-	imx_i2c_write_reg(i2c_imx->hwdata->i2sr_clr_opcode, i2c_imx, IMX_I2C_I2SR);
+	imx_i2c_write_reg(i2c_imx->hwdata->i2sr_clr_opcode, i2c_imx,
+			  IMX_I2C_I2SR);
 
 	/* Add I2C adapter */
 	ret = i2c_add_numbered_adapter(&i2c_imx->adapter);
@@ -1064,7 +1075,7 @@ static int i2c_imx_probe(struct platform_device *pdev)
 		i2c_imx->adapter.name);
 	dev_info(&i2c_imx->adapter.dev, "IMX I2C adapter registered\n");
 
-	/* Init DMA config if support*/
+	/* Init DMA config if supported */
 	i2c_imx_dma_request(i2c_imx, phy_addr);
 
 	return 0;   /* Return OK */
-- 
2.1.4