NAK[F/Unstable]: [SRU] [E/F/Unstable/OEM-OSP1-B] [PATCH 0/1] Fix Nvidia's ucsi_ccg to make system be able to sleep

Seth Forshee seth.forshee at canonical.com
Thu Apr 2 17:31:50 UTC 2020


On Thu, Mar 26, 2020 at 09:05:01PM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1850238
> 
> [Impact]
> Some systems have a "phantom" Nvidia UCSI, which prevent systems from
> suspending.
> 
> [Fix]
> ucsi_ccg is stuck in its probe routine because of the i2c bus never
> timeouts. Let it timeouts and probe can fail since it's just a phantom
> device.
> 
> [Test]
> After applying this patch system can suspend/resume succesfully.
> 
> [Regression Potential]
> Low. It's a trivial change to correctly handle timeout.

This is upstream now, and has made it to focal via stable updates.
Thanks!



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