NACK: [PATCH 0/2][SRU][B/F/OEM-B/OEM-OSP1-B/OEM-5.6] Fix System stops responding while entering S3 with SD card installed
shane.lin at canonical.com
Wed Jul 15 03:28:08 UTC 2020
Wrong email subject for patch 2, will resend again.
On Tue, Jul 14, 2020 at 4:50 PM Juerg Haefliger
<juerg.haefliger at canonical.com> wrote:
> You submitted patch 2 twice. One is a cherry pick the other a slightly
> modified backport. Which one is the real one or do we need both? Please clarify.
> > BugLink: https://bugs.launchpad.net/bugs/1880519
> > [Impact]
> > The system stops responding while entering S3, screen will be lit up
> > if touchpad is triggered by finger. Cursor could be seen with black background,
> > but system is not responding to any input.
> > [Fix]
> > Patchset for fix this issue currently landed in upstream,
> > so we backported them:
> > :
> > b3d71abd135e xhci: Poll for U0 after disabling USB2 LPM
> > f0c472a6da51 xhci: Return if xHCI doesn't support LPM
> > [Test]
> > With the above patch applied, run:
> > sudo fwts --s3-sleep-delay=30 --s3-multiple=30 -p s3
> > Can passed 30 times.
> > [Regression Potential]
> > Low, the patch is just like a safeguard,
> > doesn't really change any behavior.
> > Kai-Heng Feng (2):
> > xhci: Return if xHCI doesn't support LPM
> > xhci: Poll for U0 after disabling USB2 LPM
> > drivers/usb/host/xhci.c | 8 +++++++-
> > 1 file changed, 7 insertions(+), 1 deletion(-)
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