On Mon, Jan 20, 2020 at 03:24:22PM +0100, Nicolas Saenz Julienne wrote: > This PCIe controller chip is used on the Raspberry Pi 4 and multiple > adapter cards. There is no publicly available documentation for the > chip, yet both the downstream RPi4 kernel and the controller cards > support/advertise LPM support. > > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@xxxxxxx> > --- > drivers/usb/host/xhci-pci.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c > index 4917c5b033fa..c1976e98992b 100644 > --- a/drivers/usb/host/xhci-pci.c > +++ b/drivers/usb/host/xhci-pci.c > @@ -241,6 +241,9 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) > pdev->device == 0x3432) > xhci->quirks |= XHCI_BROKEN_STREAMS; > > + if (pdev->vendor == PCI_VENDOR_ID_VIA && pdev->device == 0x3483) > + xhci->quirks |= XHCI_LPM_SUPPORT; > + > if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && > pdev->device == 0x1042) > xhci->quirks |= XHCI_BROKEN_STREAMS; Mathias, is this in your review queue? thanks, greg k-h
