On Wed, May 22, 2024 at 10:39:18AM +0800, Kuangyi Chiang wrote: > As described in commit c877b3b2ad5c ("xhci: Add reset on resume quirk for > asrock p67 host"), EJ188 have the same issue as EJ168, where completely > dies on resume. So apply XHCI_RESET_ON_RESUME quirk to EJ188 as well. > > Signed-off-by: Kuangyi Chiang <ki.chiang65@xxxxxxxxx> > --- > drivers/usb/host/xhci-pci.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c > index ef513c2..a0beb41 100644 > --- a/drivers/usb/host/xhci-pci.c > +++ b/drivers/usb/host/xhci-pci.c > @@ -31,6 +31,7 @@ > > #define PCI_VENDOR_ID_ETRON 0x1b6f > #define PCI_DEVICE_ID_EJ168 0x7023 > +#define PCI_DEVICE_ID_EJ188 0x7052 > > #define PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI 0x8c31 > #define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31 > @@ -238,6 +239,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) > xhci->quirks |= XHCI_TRUST_TX_LENGTH; > xhci->quirks |= XHCI_BROKEN_STREAMS; > } > + if (pdev->vendor == PCI_VENDOR_ID_ETRON && > + pdev->device == PCI_DEVICE_ID_EJ188) { > + xhci->quirks |= XHCI_RESET_ON_RESUME; > + } Same question as on other patch, should this be backported to older kernels too? thanks, greg k-h