[PATCH 0/1][SRU][L][OEM-6.1] Built-in camera device dies after runtime suspended

AceLan Kao acelan.kao at canonical.com
Thu Feb 16 08:56:05 UTC 2023


From: "Chia-Lin Kao (AceLan)" <acelan.kao at canonical.com>

BugLink: https://launchpad.net/bugs/2007530

[Impact]
When the xHC host controller[1022:1505] is runtime suspended, it can't be
waken up and the devices connect to it will be lost.

[Fix]
Add the xHC ID to an existing quirk fixes the issue
https://www.spinics.net/lists/kernel/msg4689370.html

[Test]
Verified by me and QA.

[Where problems could occur]
It disables disable a bit which is enable in sparse controller and do
reset on resume. The impact should be minimun.

Chia-Lin Kao (AceLan) (1):
  UBUNTU: SAUCE: usb: xhci: Workaround for runpm issue on AMD xHC

 drivers/usb/host/xhci-pci.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

-- 
2.34.1




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