On Tue, Jan 06, 2015 at 03:48:21PM +0100, Philipp Zabel wrote: > This patch fixes up some whitespace issues and addresses a few > checkpatch warnings.
Well, since you asked for it... I am not so strict with the 80 char
limit:
> @@ -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);
Please keep the old way, this is not more readable.
> @@ -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)
ditto
> @@ -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
ditto
> @@ -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.
ditto
> @@ -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__,
This is better than before, good.
> (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__,
ditto
> @@ -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));
This not IMO.
> @@ -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);
ditto
Rest is appreciated, thanks.
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