[U-Boot] [PATCH 08/24] mxc_i2c: remove redundant read

Marek Vasut
2012-06-22T17:02:43Z

Dear Troy Kisky,

> wait_for_sr_state returns i2sr on success
> so no need to read again.
>
> Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>

Acked-by: Marek Vasut <marex@denx.de>

> ---
> drivers/i2c/mxc_i2c.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c
> index 7b1b75c..9063d1e 100644
> --- a/drivers/i2c/mxc_i2c.c
> +++ b/drivers/i2c/mxc_i2c.c
> @@ -193,7 +193,6 @@ static int tx_byte(struct mxc_i2c_regs *i2c_regs, u8
> byte) ret = wait_for_sr_state(i2c_regs, ST_IIF);
> if (ret < 0)
> return ret;
> - ret = readb(&i2c_regs->i2sr);
> if (ret & I2SR_RX_NO_AK)
> return -ENODEV;
> return 0;

Best regards,
Marek Vasut