APPLIED [OEM-5.14/OEM-5.17] Re: [PATCH 0/1][SRU][OEM-5.14/OEM-5.17/Jammy/Unstable] WCN6856 BT keep in OFF state after coldboot system
Timo Aaltonen
tjaalton at ubuntu.com
Mon Apr 4 08:27:37 UTC 2022
You-Sheng Yang kirjoitti 1.4.2022 klo 14.32:
> 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 oem kernels, thanks
--
t
More information about the kernel-team
mailing list