[PATCH 10/11] i2c: imx-lpi2c: fix type char overflow issue when calculating the clock cycle
Clark Wang
xiaoning.wang at nxp.com
Wed Mar 17 06:53:58 GMT 2021
Claim clkhi and clklo as integer type to avoid possible calculation
errors caused by data overflow.
Reviewed-by: Fugang Duan <fugang.duan at nxp.com>
Signed-off-by: Clark Wang <xiaoning.wang at nxp.com>
---
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 5dbe85126f24..1e26672d47bf 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
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