[PATCH v3] i2c: imx: switch different pinctrl state in different system power status
From: Carlos Song <hidden>
Date: 2024-12-23 03:32:54
Also in:
imx, linux-i2c, lkml
Subsystem:
freescale imx i2c driver, i2c subsystem, i2c subsystem host drivers, the rest · Maintainers:
Oleksij Rempel, Andi Shyti, Linus Torvalds
Switch different pinctrl state in different system power status. Signed-off-by: Carlos Song <redacted> Reviewed-by: Frank Li <Frank.Li@nxp.com> --- Change fot V3: - According to Oleksij's comment, return values for pinctrl_setect_state. Change for V2: - Add Frank reviewed-by. No code change. --- drivers/i2c/busses/i2c-imx.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 6fb496a92817..d0cfb8eac580 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c@@ -1869,8 +1869,7 @@ static int i2c_imx_runtime_suspend(struct device *dev) struct imx_i2c_struct *i2c_imx = dev_get_drvdata(dev); clk_disable(i2c_imx->clk); - - return 0; + return pinctrl_pm_select_sleep_state(dev); } static int i2c_imx_runtime_resume(struct device *dev)
@@ -1878,6 +1877,10 @@ static int i2c_imx_runtime_resume(struct device *dev) struct imx_i2c_struct *i2c_imx = dev_get_drvdata(dev); int ret; + ret = pinctrl_pm_select_default_state(dev); + if (ret) + return ret; + ret = clk_enable(i2c_imx->clk); if (ret) dev_err(dev, "can't enable I2C clock, ret=%d\n", ret);
--
2.34.1