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Code Issues Releases Wiki Activity

usb: chipidea: ci_hdrc_imx: restore pinctrl

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The pinctrl setting may lost during the system suspend
(eg, imx7ulp), it needs to restore them after system resume.
Meanwhile, some platforms may need to set special pinctrl
for power comsumption.

Signed-off-by: Peter Chen <peter.chen@nxp.com>
This commit is contained in:
Peter Chen 2018-11-01 14:47:20 +08:00
parent 58a3cefb38
commit 71ac680e63
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GPG key ID: 4859298150D671BB
1 changed files with 7 additions and 1 deletions
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8
drivers/usb/chipidea/ci_hdrc_imx.c
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@ -614,7 +614,12 @@ static int __maybe_unused ci_hdrc_imx_suspend(struct device *dev)
}
}
return imx_controller_suspend(dev);
ret = imx_controller_suspend(dev);
if (ret)
return ret;
pinctrl_pm_select_sleep_state(dev);
return ret;
}
static int __maybe_unused ci_hdrc_imx_resume(struct device *dev)
@ -622,6 +627,7 @@ static int __maybe_unused ci_hdrc_imx_resume(struct device *dev)
struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
int ret;
pinctrl_pm_select_default_state(dev);
ret = imx_controller_resume(dev);
if (!ret && data->supports_runtime_pm) {
pm_runtime_disable(dev);