Commit e69b9bc1 authored by Clark Wang's avatar Clark Wang Committed by Wolfram Sang

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: default avatarClark Wang <xiaoning.wang@nxp.com>
Signed-off-by: default avatarCarlos Song <carlos.song@nxp.com>
Reviewed-by: default avatarAndi Shyti <andi.shyti@kernel.org>
Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
parent cd948962
......@@ -201,8 +201,8 @@ static void lpi2c_imx_stop(struct lpi2c_imx_struct *lpi2c_imx)
/* CLKLO = I2C_CLK_RATIO * CLKHI, SETHOLD = CLKHI, DATAVD = CLKHI/2 */
static int lpi2c_imx_config(struct lpi2c_imx_struct *lpi2c_imx)
{
u8 prescale, filt, sethold, clkhi, clklo, datavd;
unsigned int clk_rate, clk_cycle;
u8 prescale, filt, sethold, datavd;
unsigned int clk_rate, clk_cycle, clkhi, clklo;
enum lpi2c_imx_pincfg pincfg;
unsigned int temp;
......
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