Hi, On Fri, Oct 17, 2014 at 04:53:37PM +0800, Huang Rui wrote: > AMD NL needs to delay PHY power change from P0 to P1/P2/P3 when link state > changing from U0 to U1/U2/U3 respectively. > > Signed-off-by: Huang Rui > --- > drivers/usb/dwc3/core.c | 3 +++ > drivers/usb/dwc3/core.h | 1 + > drivers/usb/dwc3/dwc3-pci.c | 3 ++- > drivers/usb/dwc3/platform_data.h | 1 + > 4 files changed, 7 insertions(+), 1 deletion(-) > > diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c > index a9f1d4c..920a8ab 100644 > --- a/drivers/usb/dwc3/core.c > +++ b/drivers/usb/dwc3/core.c > @@ -383,6 +383,9 @@ static void dwc3_phy_setup(struct dwc3 *dwc) > if (dwc->quirks & DWC3_QUIRK_DEPP1P2P3) > reg |= DWC3_GUSB3PIPECTL_DEP1P2P3(1); > > + if (dwc->quirks & DWC3_QUIRK_DEPOCHANGE) if (dwc->delay_p0_change_quirk) > diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c > index 23ae6a7..0eb8b2a 100644 > --- a/drivers/usb/dwc3/dwc3-pci.c > +++ b/drivers/usb/dwc3/dwc3-pci.c > @@ -153,7 +153,8 @@ static int dwc3_pci_probe(struct pci_dev *pci, > | DWC3_QUIRK_U2EXIT_LFPS > | DWC3_QUIRK_U2SSINP3OK > | DWC3_QUIRK_REQP1P2P3 > - | DWC3_QUIRK_DEPP1P2P3; > + | DWC3_QUIRK_DEPP1P2P3 > + | DWC3_QUIRK_DEPOCHANGE; combined with the last patch -- balbi