Re: [PATCH v2] i2c: imx: switch different pinctrl state in different system power status
From: Frank Li
Date: Wed Dec 18 2024 - 16:26:17 EST
On Wed, Dec 18, 2024 at 12:41:14PM +0800, Carlos Song wrote:
> Switch different pinctrl state in different system power status.
>
> Signed-off-by: Carlos Song <carlos.song@xxxxxxx>
> Reviewed-by: Frank Li <Frank.Li@xxxxxxx>
> ---
> Change for V2:
> - Add Frank reviewed-by. No code change.
Needn't send v2 if only add review-by tags without any code change.
Frank
> ---
> drivers/i2c/busses/i2c-imx.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
> index b6ed270dd04b..350346a7892c 100644
> --- a/drivers/i2c/busses/i2c-imx.c
> +++ b/drivers/i2c/busses/i2c-imx.c
> @@ -1871,6 +1871,7 @@ static int i2c_imx_runtime_suspend(struct device *dev)
> struct imx_i2c_struct *i2c_imx = dev_get_drvdata(dev);
>
> clk_disable(i2c_imx->clk);
> + pinctrl_pm_select_sleep_state(dev);
>
> return 0;
> }
> @@ -1880,6 +1881,7 @@ static int i2c_imx_runtime_resume(struct device *dev)
> struct imx_i2c_struct *i2c_imx = dev_get_drvdata(dev);
> int ret;
>
> + pinctrl_pm_select_default_state(dev);
> ret = clk_enable(i2c_imx->clk);
> if (ret)
> dev_err(dev, "can't enable I2C clock, ret=%d\n", ret);
> --
> 2.34.1
>