Ack: Re: [PATCH 0/2][SRU][N] rtw89_8852ce - Lost WIFI connection after suspend

[Chris Chiu]

On Wed, Jun 12, 2024 at 9:34 AM AceLan Kao <acelan.kao at canonical.com> wrote:
>
> From: "Chia-Lin Kao (AceLan)" <acelan.kao at canonical.com>
>
> BugLink: https://bugs.launchpad.net/bugs/2065128
>
> [Impact]
> Lost WIFI connection after suspend.
> While this happen, the WIFI module couldn't detect any AP, re-enable module and reboot OS without any help.
> There only way to get it back is cold boot.
>
> [Fix]
> Realtek provides a fix which has been included in rtw maintainer's tree
> https://lore.kernel.org/linux-wireless/20240426061200.44262-1-pkshih@realtek.com/T/#mbfcb37c2fdc85ba280743f2b07fbf1fa8719eb79
>
> The commits has been included in v6.10-rc1
> 4e5957101d42 wifi: rtw89: 8852c: refine power sequence to imporve power consumption
> 535c045da60f wifi: rtw89: reset AFEDIG register in power off sequence
>
> [Test case]
> 1. Boot into OS
> 2. open terminal to keep checking dmesg or check the wifi connection from GUI
> 3. suspend/resume multiple times
> 4. check the wifi connection
>
> [Where problems could occur]
> What the 2 commits should be safe and won't introduce any regression.
> 1. Reset AFEDIG register before BB reset in power off sequence
> 2. Adjust power and clock parameters
>
> Chia-Yuan Li (1):
>   wifi: rtw89: 8852c: refine power sequence to imporve power consumption
>
> Chin-Yen Lee (1):
>   wifi: rtw89: reset AFEDIG register in power off sequence
>
>  drivers/net/wireless/realtek/rtw89/rtw8851b.c |  1 +
>  drivers/net/wireless/realtek/rtw89/rtw8852b.c |  2 ++
>  drivers/net/wireless/realtek/rtw89/rtw8852c.c | 12 ++++++++++--
>  3 files changed, 13 insertions(+), 2 deletions(-)
>
> --
> 2.34.1
>

Acked-by: Chris Chiu <chris.chiu at canonical.com>

>
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