[PATCH 10/11] i2c: imx-lpi2c: fix type char overflow issue when calculating the clock cycle

[Aisheng Dong]

> From: Clark Wang <xiaoning.wang at nxp.com>
> Sent: Wednesday, March 17, 2021 2:54 PM
> 
> 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>

Reviewed-by: Dong Aisheng <aisheng.dong at nxp.com>

Regards
Aisheng

> ---
>  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