From: Sandeep Singh Date: Wed, 12 May 2021 08:08:16 +0000 (+0300) Subject: xhci: Add reset resume quirk for AMD xhci controller. X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3c128781d8da463761495aaf8898c9ecb4e71528;p=linux.git xhci: Add reset resume quirk for AMD xhci controller. One of AMD xhci controller require reset on resume. Occasionally AMD xhci controller does not respond to Stop endpoint command. Once the issue happens controller goes into bad state and in that case controller needs to be reset. Cc: Signed-off-by: Sandeep Singh Signed-off-by: Mathias Nyman Link: https://lore.kernel.org/r/20210512080816.866037-6-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index a858add8436c5..7bc18cf8042cc 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -167,8 +167,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) (pdev->device == 0x15e0 || pdev->device == 0x15e1)) xhci->quirks |= XHCI_SNPS_BROKEN_SUSPEND; - if (pdev->vendor == PCI_VENDOR_ID_AMD && pdev->device == 0x15e5) + if (pdev->vendor == PCI_VENDOR_ID_AMD && pdev->device == 0x15e5) { xhci->quirks |= XHCI_DISABLE_SPARSE; + xhci->quirks |= XHCI_RESET_ON_RESUME; + } if (pdev->vendor == PCI_VENDOR_ID_AMD) xhci->quirks |= XHCI_TRUST_TX_LENGTH;