On Wed, Sep 10, 2025 at 12:19:01AM +0800, Ryan Zhou wrote: > Issue description:During the wake-up sequence, if the system invokes > dwc3->resume and detects that the parent device of dwc3 is in a > runtime suspend state, the system will generate an error: runtime PM > trying to activate child device xxx.dwc3 but parent is not active. > > Solution:At the dwc3->resume entry point, if the dwc3 controller > is detected in a suspended state, the function shall return > immediately without executing any further operations. > > Signed-off-by: Ryan Zhou <ryanzhou54@xxxxxxxxx> > --- > drivers/usb/dwc3/core.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c > index 370fc524a468..06a6f8a67129 100644 > --- a/drivers/usb/dwc3/core.c > +++ b/drivers/usb/dwc3/core.c > @@ -2687,6 +2687,9 @@ int dwc3_pm_resume(struct dwc3 *dwc) > struct device *dev = dwc->dev; > int ret = 0; > > + if (pm_runtime_suspended(dev)) > + return ret; > + > pinctrl_pm_select_default_state(dev); > > pm_runtime_disable(dev); > -- > 2.25.1 > > What commit id does this fi? thanks, greg k-h
