Re: [RFC/RFT 1/7] i2c: sh_mobile: simplify sending address for RX

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Hi Wolfram,

On Thu, Jan 17, 2019 at 1:36 AM Wolfram Sang
<wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote:
> pd->pos won't be smaller than -1, so we can simplify the logic.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>

Thanks for your patch!

> --- a/drivers/i2c/busses/i2c-sh_mobile.c
> +++ b/drivers/i2c/busses/i2c-sh_mobile.c
> @@ -392,13 +392,9 @@ static int sh_mobile_i2c_isr_rx(struct sh_mobile_i2c_data *pd)
>         int real_pos;
>
>         do {
> -               if (pd->pos <= -1) {

If this condition is never true, shouldn't the block just be removed instead?

> +               if (sh_mobile_i2c_is_first_byte(pd)) {
>                         sh_mobile_i2c_get_data(pd, &data);
> -
> -                       if (sh_mobile_i2c_is_first_byte(pd))
> -                               i2c_op(pd, OP_TX_FIRST, data);
> -                       else
> -                               i2c_op(pd, OP_TX, data);
> +                       i2c_op(pd, OP_TX_FIRST, data);
>                         break;
>                 }

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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