ACK/Cmnt: [SRU] [OEM-5.14] [PATCH 0/1] Fix spurious wakeup caused by Intel 7560 WWAN

[Tim Gardner]

Acked-by: Tim Gardner <tim.gardner at canonical.com>

This commit is now upstream.

On 1/5/22 3:02 AM, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1956443
> 
> [Impact]
> Spurious wakeup from s2idle caused by Intel 7560 WWAN device.
> 
> [Fix]
> Keep the device at D0 to prevent the unwanted wakeup. Since PCIe ASPM is
> enabled, the power consumption impact is minimal.
> 
> [Test]
> No more spurious wakeup on s2idle.
> 
> [Where problems could occur]
> If the device somehow requires to be power-cycled via D3, this may break
> the assumption.
> 
> Kai-Heng Feng (1):
>    net: wwan: iosm: Keep device at D0 for s2idle case
> 
>   drivers/net/wwan/iosm/iosm_ipc_pcie.c | 3 +++
>   1 file changed, 3 insertions(+)
> 

-- 
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Tim Gardner
Canonical, Inc