PCI: Prevent xHCI driver from claiming AMD VanGogh USB3 DRD device
authorVicki Pfau <vi@endrift.com>
Wed, 27 Sep 2023 20:22:12 +0000 (13:22 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 8 Nov 2023 10:56:21 +0000 (11:56 +0100)
commitf33cf4647b59155c30ead94492eefe32e2cae0ec
tree59c68260710c45ee9dd0b9fe60380b9ab00d5af0
parentaa771b1e014e74266a3cc2d20b55d61456237a19
PCI: Prevent xHCI driver from claiming AMD VanGogh USB3 DRD device

commit 7e6f3b6d2c352b5fde37ce3fed83bdf6172eebd4 upstream.

The AMD VanGogh SoC contains a DesignWare USB3 Dual-Role Device that can be
operated as either a USB Host or a USB Device, similar to on the AMD Nolan
platform.

be6646bfbaec ("PCI: Prevent xHCI driver from claiming AMD Nolan USB3 DRD
device") added a quirk to let the dwc3 driver claim the Nolan device since
it provides more specific support.

Extend that quirk to include the VanGogh SoC USB3 device.

Link: https://lore.kernel.org/r/20230927202212.2388216-1-vi@endrift.com
Signed-off-by: Vicki Pfau <vi@endrift.com>
[bhelgaas: include be6646bfbaec reference, add stable tag]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org # v3.19+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/pci/quirks.c
include/linux/pci_ids.h