APPLIED: [PATCH 0/1][SRU][Jammy] WCN6856 BT keep in OFF state after coldboot system

[Stefan Bader]

On 01.04.22 13:32, You-Sheng Yang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1967067
> 
> [Impact]
> 
> WCN6856 BT keep in OFF state after coldboot system.
> 
> [Fix]
> 
> Mainline commit 599ece4f8f07 ("Bluetooth: btusb: Improve stability for
> QCA devices") added a 100ms delay for the underlying hw to apply
> downloaded firmware.
> 
> [Test Case]
> 
> This can be reproduced and therefore verified by checkbox poweroff
> stress test:
> 
>    $ checkbox-cli run com.canonical.certification::stress/poweroff
> 
> [Where problems could occur]
> 
> Unlikely to have side effect so far except slowing down boot process for
> a tiny moment.
> 
> [Other Info]
> 
> While this is only in the v5.18 merge window, all the kernels in use are
> affected and nominated here.
> 
> Zijun Hu (1):
>    Bluetooth: btusb: Improve stability for QCA devices
> 
>   drivers/bluetooth/btusb.c | 8 ++++++++
>   1 file changed, 8 insertions(+)
> 

Applied to jammy:linux/master-next. Thanks.

-Stefan

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