diff options
| author |   Sandeep Singh <sandeep.singh@amd.com> | 2021-05-12 11:08:16 +0300 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-13 14:47:36 +0200 |
| commit | 3c128781d8da463761495aaf8898c9ecb4e71528 (patch) | |
| tree | 39c6e2072dbf1f8c24d62d91b6f108bd781b710d /drivers/usb/host/xhci-pci.c | |
| parent | usb: xhci: Increase timeout for HC halt (diff) | |
| download | wireguard-linux-3c128781d8da463761495aaf8898c9ecb4e71528.tar.xz wireguard-linux-3c128781d8da463761495aaf8898c9ecb4e71528.zip | |
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: <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>
Diffstat (limited to 'drivers/usb/host/xhci-pci.c')
| -rw-r--r-- | drivers/usb/host/xhci-pci.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index a858add8436c..7bc18cf8042c 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; |