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xhci: Add reset resume quirk for AMD xhci controller.
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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: <stable@vger.kernel.org>
Signed-off-by: Sandeep Singh <sandeep.singh@amd.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20210512080816.866037-6-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Sandeep Singh authored and Greg Kroah-Hartman committed May 13, 2021
1 parent ca09b1b commit 3c12878
Showing 1 changed file with 3 additions and 1 deletion.
4 changes: 3 additions & 1 deletion drivers/usb/host/xhci-pci.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
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