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path: root/drivers/usb/renesas_usbhs/common.c
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Diffstat (limited to 'drivers/usb/renesas_usbhs/common.c')
-rw-r--r--drivers/usb/renesas_usbhs/common.c35
1 files changed, 26 insertions, 9 deletions
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index dc2fec9168b7..cf4a0367d6d6 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -827,10 +827,26 @@ static void usbhs_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
}
+static void usbhsc_restore(struct device *dev)
+{
+ struct usbhs_priv *priv = dev_get_drvdata(dev);
+ struct platform_device *pdev = usbhs_priv_to_pdev(priv);
+
+ if (!usbhs_get_dparam(priv, runtime_pwctrl)) {
+ usbhsc_power_ctrl(priv, 1);
+ usbhs_mod_autonomy_mode(priv);
+ }
+
+ usbhs_platform_call(priv, phy_reset, pdev);
+
+ usbhsc_schedule_notify_hotplug(pdev);
+}
+
static int usbhsc_suspend(struct device *dev)
{
struct usbhs_priv *priv = dev_get_drvdata(dev);
struct usbhs_mod *mod = usbhs_mod_get_current(priv);
+ int ret;
if (mod) {
usbhs_mod_call(priv, stop, priv);
@@ -840,22 +856,23 @@ static int usbhsc_suspend(struct device *dev)
if (mod || !usbhs_get_dparam(priv, runtime_pwctrl))
usbhsc_power_ctrl(priv, 0);
- return 0;
+ ret = reset_control_assert(priv->rsts);
+ if (ret)
+ usbhsc_restore(dev);
+
+ return ret;
}
static int usbhsc_resume(struct device *dev)
{
struct usbhs_priv *priv = dev_get_drvdata(dev);
- struct platform_device *pdev = usbhs_priv_to_pdev(priv);
-
- if (!usbhs_get_dparam(priv, runtime_pwctrl)) {
- usbhsc_power_ctrl(priv, 1);
- usbhs_mod_autonomy_mode(priv);
- }
+ int ret;
- usbhs_platform_call(priv, phy_reset, pdev);
+ ret = reset_control_deassert(priv->rsts);
+ if (ret)
+ return ret;
- usbhsc_schedule_notify_hotplug(pdev);
+ usbhsc_restore(dev);
return 0;
}