[PATCH-V2 03/12] i2c: pxa: Return I2C_RETRY when timeout in pio mode

Shubhrajyoti Datta omaplinuxkernel at gmail.com
Mon Jun 15 22:31:44 PDT 2015


On Mon, Jun 15, 2015 at 9:19 PM, Vaibhav Hiremath
<vaibhav.hiremath at linaro.org> wrote:
> From: Shouming Wang <wangshm at marvell.com>
>
> In case of timeout in pio mode of operation return I2C_RETRY.
> This behavior will be same as interrupt mode of operation.
>
> Signed-off-by: Shouming Wang <wangshm at marvell.com>
> [vaibhav.hiremath at linaro.org: Updated changelog]
> Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath at linaro.org>
> ---
>  drivers/i2c/busses/i2c-pxa.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
> index 023e59f..632008f 100644
> --- a/drivers/i2c/busses/i2c-pxa.c
> +++ b/drivers/i2c/busses/i2c-pxa.c
> @@ -745,8 +745,10 @@ static int i2c_pxa_do_pio_xfer(struct pxa_i2c *i2c,
>         ret = i2c->msg_idx;
>
>  out:
> -       if (timeout == 0)
> +       if (timeout == 0) {
>                 i2c_pxa_scream_blue_murder(i2c, "timeout");
> +               ret = I2C_RETRY;

Can we use standard  return types.

> +       }
>
>         return ret;
>  }
> --
> 1.9.1
>
>
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