On 25.03.2023 17:52, Manivannan Sadhasivam wrote: > Hi, > > This series allows the dwc3-qcom driver to do runtime PM itself without > userspace intervention. Still, userspace is required to enable runtime PM > for dwc3 glue and xhci drivers as we cannot enable runtime PM for them. > But this series avoids one more additional step. What sort of 'userspace intervention' are we talking about? echo mem > /sys/power/state? Konrad > > While enabling runtime PM, I noticed that the xhci driver suspends before > catching the xhci interrupts during resume. This ended up deferring the > device enumeration for some time. So I included a patch adding autosuspend > delay of 200ms to the xhci driver. With this delay, usb enumeration happens > properly. > > This series has been tested on SC8280XP-CRD and RB5 devices. > > Thanks, > Mani > > Manivannan Sadhasivam (5): > arm64: dts: qcom: sc8280xp: Add missing dwc3 quirks > xhci: host: Use 200ms autosuspend delay for runtime suspend > usb: dwc3: qcom: Fix null ptr access during runtime_suspend() > usb: dwc3: qcom: Clear pending interrupt before enabling wake > interrupt > usb: dwc3: qcom: Allow runtime PM > > arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 14 ++++++++++++++ > drivers/usb/dwc3/dwc3-qcom.c | 13 +++++++++---- > drivers/usb/host/xhci-plat.c | 2 ++ > 3 files changed, 25 insertions(+), 4 deletions(-) >
