Re: [PATCH 2/3] staging: iio: frequency: Remove useless type conversion

From: Jonathan Cameron
Date: Sun Apr 02 2017 - 04:47:57 EST


On 31/03/17 16:08, simran singhal wrote:
> Some type conversions like casting a pointer to a pointer of same type,
> casting to the original type using addressof(&) operator etc. are not
> needed. Therefore, remove them. Done using coccinelle:
>
> @@
> type t;
> t *p;
> t a;
> @@
> (
> - (t)(a)
> + a
> |
> - (t *)(p)
> + p
> |
> - (t *)(&a)
> + &a
> )
>
> Signed-off-by: simran singhal <singhalsimran0@xxxxxxxxx>
driver name in title please, plus a patch description rather more tailored
to the patch.

> ---
> drivers/staging/iio/frequency/ad9832.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/iio/frequency/ad9832.c b/drivers/staging/iio/frequency/ad9832.c
> index 425b8ab..01bdf8e 100644
> --- a/drivers/staging/iio/frequency/ad9832.c
> +++ b/drivers/staging/iio/frequency/ad9832.c
> @@ -119,7 +119,7 @@ struct ad9832_state {
> static unsigned long ad9832_calc_freqreg(unsigned long mclk, unsigned long fout)
> {
> unsigned long long freqreg = (u64)fout *
> - (u64)((u64)1L << AD9832_FREQ_BITS);
> + (u64)1L << AD9832_FREQ_BITS;
> do_div(freqreg, mclk);
> return freqreg;
> }
>