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Restore to the default pinctrl setting when system resumes. Signed-off-by: Shenwei Wang --- drivers/pwm/pwm-imx-tpm.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/pwm/pwm-imx-tpm.c b/drivers/pwm/pwm-imx-tpm.c index c50ddbac43c8..19245790c67c 100644 --- a/drivers/pwm/pwm-imx-tpm.c +++ b/drivers/pwm/pwm-imx-tpm.c @@ -393,7 +393,7 @@ static int pwm_imx_tpm_suspend(struct device *dev) clk_disable_unprepare(tpm->clk); - return 0; + return pinctrl_pm_select_sleep_state(dev); } static int pwm_imx_tpm_resume(struct device *dev) @@ -401,6 +401,10 @@ static int pwm_imx_tpm_resume(struct device *dev) struct imx_tpm_pwm_chip *tpm = dev_get_drvdata(dev); int ret = 0; + ret = pinctrl_pm_select_default_state(dev); + if (ret) + return ret; + ret = clk_prepare_enable(tpm->clk); if (ret) dev_err(dev, "failed to prepare or enable clock: %d\n", ret);