diff options
| author | Nicolas Saenz Julienne <nsaenzjulienne@suse.de> | 2020-03-12 16:45:12 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-12 17:34:48 +0100 |
| commit | 2170a98d56cc86cef71134ac213aede2fdf64021 (patch) | |
| tree | b787fe2cb56354409ac7f5309357196a7f754ac9 /drivers/usb/host/xhci-pci.c | |
| parent | 9c1aa36efdae0c97c6d7285187b0573fc1793552 (diff) | |
| download | linux-2170a98d56cc86cef71134ac213aede2fdf64021.tar.bz2 | |
usb: xhci: Enable LPM for VIA LABS VL805
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@suse.de>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20200312144517.1593-5-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 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 0715a2e75413..b98a1b54db56 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -243,6 +243,9 @@ 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; |