* [PATCH] i2c: imx: switch different pinctrl state in different system power status
@ 2024-11-25 13:43 carlos.song
2024-11-25 17:10 ` Frank Li
0 siblings, 1 reply; 2+ messages in thread
From: carlos.song @ 2024-11-25 13:43 UTC (permalink / raw)
To: o.rempel, kernel, andi.shyti, shawnguo, s.hauer, festevam,
frank.li
Cc: linux-i2c, imx, linux-arm-kernel, linux-kernel
From: Carlos Song <carlos.song@nxp.com>
Switch different pinctrl state in different system power status.
Signed-off-by: Carlos Song <carlos.song@nxp.com>
---
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 f751d231ded8..cf8931a8013d 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -1859,6 +1859,7 @@ 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;
}
@@ -1868,6 +1869,7 @@ 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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] i2c: imx: switch different pinctrl state in different system power status
2024-11-25 13:43 [PATCH] i2c: imx: switch different pinctrl state in different system power status carlos.song
@ 2024-11-25 17:10 ` Frank Li
0 siblings, 0 replies; 2+ messages in thread
From: Frank Li @ 2024-11-25 17:10 UTC (permalink / raw)
To: carlos.song
Cc: o.rempel, kernel, andi.shyti, shawnguo, s.hauer, festevam,
linux-i2c, imx, linux-arm-kernel, linux-kernel
On Mon, Nov 25, 2024 at 09:43:22PM +0800, carlos.song@nxp.com wrote:
> From: Carlos Song <carlos.song@nxp.com>
>
> Switch different pinctrl state in different system power status.
>
> Signed-off-by: Carlos Song <carlos.song@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
> ---
> 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 f751d231ded8..cf8931a8013d 100644
> --- a/drivers/i2c/busses/i2c-imx.c
> +++ b/drivers/i2c/busses/i2c-imx.c
> @@ -1859,6 +1859,7 @@ 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;
> }
> @@ -1868,6 +1869,7 @@ 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
>
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2024-11-25 17:10 ` Frank Li
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