]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
usb: xhci: Workaround for S3 issue on AMD SNPS 3.0 xHC
authorSandeep Singh <sandeep.singh@amd.com>
Wed, 28 Oct 2020 20:31:23 +0000 (22:31 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 5 Nov 2020 10:08:48 +0000 (11:08 +0100)
commit9b1f935ae4daefbc6ff8929526875d55b7a53121
tree130754b3baa2641d3a8975552976579d5e5f1ace
parent0da7b606dc286edadce490d5970fab3fa39c5883
usb: xhci: Workaround for S3 issue on AMD SNPS 3.0 xHC

commit 2a632815683d2d34df52b701a36fe5ac6654e719 upstream.

On some platform of AMD, S3 fails with HCE and SRE errors. To fix this,
need to disable a bit which is enable in sparse controller.

Cc: stable@vger.kernel.org #v4.19+
Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com>
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/20201028203124.375344-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/xhci-pci.c
drivers/usb/host/xhci.h