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Date: Sat, 23 Mar 2024 17:23:12 +0100
From: Greg KH <gregkh@linuxfoundation.org>
To: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Cc: stable@vger.kernel.org
Subject: Re: [PATCH] wifi: rtw88: 8821cu: Fix connection failure
Message-ID: <2024032355-liking-calamari-1571@gregkh>
References: <f12ed39d-28e8-4b8b-8d22-447bcf295afc@gmail.com>
 <aa20f8ba-d626-4f82-9312-6cc2a4cfc097@gmail.com>
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On Sat, Mar 23, 2024 at 06:18:07PM +0200, Bitterblue Smith wrote:
> From: Bitterblue Smith <rtl8821cerfe2@gmail.com>
> 
> [ Upstream commit 605d7c0b05eecb985273b1647070497142c470d3 ]
> 
> Clear bit 8 of REG_SYS_STATUS1 after MAC power on.
> 
> Without this, some RTL8821CU and RTL8811CU cannot connect to any
> network:
> 
> Feb 19 13:33:11 ideapad2 kernel: wlp3s0f3u2: send auth to
> 	90:55:de:__:__:__ (try 1/3)
> Feb 19 13:33:13 ideapad2 kernel: wlp3s0f3u2: send auth to
> 	90:55:de:__:__:__ (try 2/3)
> Feb 19 13:33:14 ideapad2 kernel: wlp3s0f3u2: send auth to
> 	90:55:de:__:__:__ (try 3/3)
> Feb 19 13:33:15 ideapad2 kernel: wlp3s0f3u2: authentication with
> 	90:55:de:__:__:__ timed out
> 
> The RTL8822CU and RTL8822BU out-of-tree drivers do this as well, so do
> it for all three types of chips.
> 
> Tested with RTL8811CU (Tenda U9 V2.0).
> 
> Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
> Acked-by: Ping-Ke Shih <pkshih@realtek.com>
> Signed-off-by: Kalle Valo <kvalo@kernel.org>
> Link: https://msgid.link/aeeefad9-27c8-4506-a510-ef9a9a8731a4@gmail.com
> ---
>  drivers/net/wireless/realtek/rtw88/mac.c | 7 +++++++
>  1 file changed, 7 insertions(+)

What stable kernel(s) is this to be applied to?

thanks,

greg k-h