diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-imx.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index cb7c4b2..d7b26fc 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; @@ -479,8 +479,8 @@ 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) @@ -488,7 +488,8 @@ 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; @@ -820,6 +821,7 @@ 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; @@ -915,15 +917,16 @@ 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), @@ -1002,7 +1005,7 @@ static int i2c_imx_probe(struct platform_device *pdev) 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; @@ -1061,7 +1064,7 @@ 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 */ |
