[PATCH V2 13/18] i2c: imx-lpi2c: fix type char overflow issue when calculating the clock cycle

[Clark Wang]

Claim clkhi and clklo as integer type to avoid possible calculation
errors caused by data overflow.

Signed-off-by: Clark Wang <xiaoning.wang at nxp.com>
Reviewed-by: Fugang Duan <fugang.duan at nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong at nxp.com>
---
V2 changes:
 - No change. Has been reviewed by Dong Aisheng <aisheng.dong at nxp.com> in V1.
---
 drivers/i2c/busses/i2c-imx-lpi2c.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c
index d124c4000823..c2f8e49660ea 100644
--- a/drivers/i2c/busses/i2c-imx-lpi2c.c
+++ b/drivers/i2c/busses/i2c-imx-lpi2c.c
@@ -213,8 +213,8 @@ static void lpi2c_imx_stop(struct lpi2c_imx_struct *lpi2c_imx)
    CLKHI = I2C_CLK_RATIO * clk_cycle */
 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;
 
-- 
2.25.1