i2c: imx-lpi2c: fix type char overflow issue when calculating the clock cycle
Claim clkhi and clklo as integer type to avoid possible calculation errors caused by data overflow. Fixes: a55fa9d0 ("i2c: imx-lpi2c: add low power i2c bus driver") Signed-off-by: NClark Wang <xiaoning.wang@nxp.com> Signed-off-by: NCarlos Song <carlos.song@nxp.com> Reviewed-by: NAndi Shyti <andi.shyti@kernel.org> Signed-off-by: NWolfram Sang <wsa@kernel.org>
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