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soc: fsl: qe: Remove unnessesary check in ucc_set_tdm_rxtx_clk 

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@huawei.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
This commit is contained in:
Wang Hai 2020-08-04 21:56:44 +08:00 committed by Li Yang
parent 5ed2da99e3
commit d97b957e32
1 changed files with 1 additions and 1 deletions
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2
drivers/soc/fsl/qe/ucc.c
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@ -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 */