Hi, On Fri, Oct 17, 2014 at 04:53:36PM +0800, Huang Rui wrote: > AMD NL needs to delay P0 to P1/P2/P3 request when entering U1/U2/U3. > > Signed-off-by: Huang Rui > --- > drivers/usb/dwc3/core.c | 3 +++ > drivers/usb/dwc3/core.h | 2 ++ > drivers/usb/dwc3/dwc3-pci.c | 3 ++- > drivers/usb/dwc3/platform_data.h | 1 + > 4 files changed, 8 insertions(+), 1 deletion(-) > > diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c > index ec8b667..a9f1d4c 100644 > --- a/drivers/usb/dwc3/core.c > +++ b/drivers/usb/dwc3/core.c > @@ -380,6 +380,9 @@ static void dwc3_phy_setup(struct dwc3 *dwc) > if (dwc->quirks & DWC3_QUIRK_REQP1P2P3) > reg |= DWC3_GUSB3PIPECTL_REQP1P2P3; > > + if (dwc->quirks & DWC3_QUIRK_DEPP1P2P3) if (dwc->delay_p1p2p3_quirk) > diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c > index 7154d18..23ae6a7 100644 > --- a/drivers/usb/dwc3/dwc3-pci.c > +++ b/drivers/usb/dwc3/dwc3-pci.c > @@ -152,7 +152,8 @@ static int dwc3_pci_probe(struct pci_dev *pci, > dwc3_pdata.quirks |= DWC3_QUIRK_AMD_NL > | DWC3_QUIRK_U2EXIT_LFPS > | DWC3_QUIRK_U2SSINP3OK > - | DWC3_QUIRK_REQP1P2P3; > + | DWC3_QUIRK_REQP1P2P3 > + | DWC3_QUIRK_DEPP1P2P3; combined with last patch. -- balbi