APPLIED/OEM-X Re: [SRU] [linux-oem] [PATCH 0/1] Fix an issue that some PCI devices get incorrectly suspended Edit

[Timo Aaltonen]

On 17.04.2018 12:07, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1764684
> 
> [Impact]
> Some PCI device are not power managed by system firmware get runtime
> suspended incorrectly. In this case it's an xHC device, which can't be
> woken up by plugging USB device.
> 
> [Test]
> With the patch, the xHC no longer get put to suspend incorrectly. USB
> devices can work on the xHC now.
> 
> [Fix]
> We need to check if the device is power managed by system firmware, also
> if it supports PME from D3hot.
> 
> [Regression Potential]
> Low.
> It fixes a regression caused by the PM core refactor.
> It's not in mainline yet but it's reviewed by Rafeal, so it's good to
> go: https://lkml.org/lkml/2018/4/13/83
> 
> Kai-Heng Feng (1):
>   PCI / PM: Always check PME wakeup capability for runtime wakeup
>     support
> 
>  drivers/pci/pci.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)

applied to oem-x, thanks


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