Re: [PATCH -next] soc: fsl: qe: Remove unnessesary check in ucc_set_tdm_rxtx_clk
From: Li Yang
Date: Tue Sep 22 2020 - 19:26:03 EST
On Tue, Aug 4, 2020 at 9:04 AM Wang Hai <wanghai38@xxxxxxxxxx> wrote:
>
> Fix smatch warning:
>
> drivers/soc/fsl/qe/ucc.c:526
> ucc_set_tdm_rxtx_clk() warn: unsigned 'tdm_num' is never less than zero.
>
> 'tdm_num' is u32 type, never less than zero.
>
> Signed-off-by: Wang Hai <wanghai38@xxxxxxxxxx>
Applied for next. Thanks.
> ---
> drivers/soc/fsl/qe/ucc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/soc/fsl/qe/ucc.c b/drivers/soc/fsl/qe/ucc.c
> index cac0fb7693a0..21dbcd787cd5 100644
> --- a/drivers/soc/fsl/qe/ucc.c
> +++ b/drivers/soc/fsl/qe/ucc.c
> @@ -523,7 +523,7 @@ int ucc_set_tdm_rxtx_clk(u32 tdm_num, enum qe_clock clock,
>
> qe_mux_reg = &qe_immr->qmx;
>
> - if (tdm_num > 7 || tdm_num < 0)
> + if (tdm_num > 7)
> return -EINVAL;
>
> /* The communications direction must be RX or TX */
> --
> 2.17.1
>