On Thu, 2015-09-10 at 09:43 +0530, Shraddha Barke wrote:
> This patch replaces bit shifting on 1 with the BIT(x) macro
> as it's extensively used by other function in this driver.
[]
> diff --git a/drivers/staging/iio/resolver/ad2s1210.c
> b/drivers/staging/iio/resolver/ad2s1210.c
[]
> @@ -149,7 +149,7 @@ int ad2s1210_update_frequency_control_word(struct
> ad2s1210_state *st)
> int ret;
> unsigned char fcw;
>
> - fcw = (unsigned char)(st->fexcit * (1 << 15) / st->fclkin);
> + fcw = (unsigned char)(st->fexcit * BIT(15) / st->fclkin);
Multiplying by a bit isn't very obvious.
Maybe just shift it.
fcw = (unsigned char)((st->fexcit << 15) / st->fclkin);
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