Hi Sandeep, On Tue, Nov 16, 2021 at 04:11:30PM +0530, Sandeep Maheswaram wrote: > > On 11/13/2021 4:17 AM, Rob Herring wrote: > >On Mon, Nov 08, 2021 at 12:11:48PM +0530, Sandeep Maheswaram wrote: > >>Adding bindings for usb-skip-phy-init property. > >>Runtime suspend of phy drivers was failing from DWC3 driver as > >>runtime usage value is 2 because the phy is initialized from > >>DWC3 core and HCD core. > >>Some controllers like DWC3 and CDNS3 manage phy in their core drivers. > >>This property can be set to avoid phy initialization in HCD core. > >You already know if you have a DWC3 and CDNS3 controller, so you don't > >need more data in DT. > > We don't have a device tree node for xhci platform device and create xhci > platform device from dwc3/host.c > > So we want to pass this property to check in xhci-plat.c and skip phy > initialization. > Would not the below condition from your other patch [1] work here too? if (of_device_is_compatible(dev->parent->of_node, "snps,dwc3")) [1] https://lore.kernel.org/linux-usb/1635753224-23975-2-git-send-email-quic_c_sanm@xxxxxxxxxxx/ Thanks, Pavan