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SubjectRE: [PATCH 07/11] i2c: imx-lpi2c: increase PM timeout to avoid operate clk frequently
Date
> From: Clark Wang <xiaoning.wang@nxp.com>
> Sent: Wednesday, March 17, 2021 2:54 PM
>
> Switching the clock frequently will affect the data transmission efficiency, and
> prolong the timeout to reduce autosuspend times for lpi2c.
>
> Acked-by: Fugang Duan <fugang.duan@nxp.com>
> Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>

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

Regards
Aisheng

> ---
> drivers/i2c/busses/i2c-imx-lpi2c.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c
> b/drivers/i2c/busses/i2c-imx-lpi2c.c
> index 86b69852f7be..c0cb77c66090 100644
> --- a/drivers/i2c/busses/i2c-imx-lpi2c.c
> +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c
> @@ -75,7 +75,7 @@
> #define I2C_CLK_RATIO 2
> #define CHUNK_DATA 256
>
> -#define I2C_PM_TIMEOUT 10 /* ms */
> +#define I2C_PM_TIMEOUT 1000 /* ms */
>
> enum lpi2c_imx_mode {
> STANDARD, /* 100+Kbps */
> --
> 2.25.1

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