This patch fixes up some whitespace issues and addresses a few checkpatch warnings.
Signed-off-by: Philipp Zabel <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
