linux-kernel - Re: [PATCH v2] arm64: dts: rockchip: Fix Wifi/Bluetooth on ROCK Pi 4 boards

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Message-ID: <ZLzktMnJHTg13Pp/@zephyrusG14>
Date:   Sun, 23 Jul 2023 13:58:36 +0530
From:   Yogesh Hegde <yogi.kernel@...il.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, heiko@...ech.de, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org
Subject: Re: [PATCH v2] arm64: dts: rockchip: Fix Wifi/Bluetooth on ROCK Pi 4
 boards

On Tue, Jul 18, 2023 at 07:37:21PM +0200, Greg KH wrote:
> On Tue, Jul 18, 2023 at 10:09:41PM +0530, Yogesh Hegde wrote:
> > This patch fixes an issue affecting the Wifi/Bluetooth connectivity on
> > ROCK Pi 4 boards. Commit f471b1b2db08 ("arm64: dts: rockchip: Fix Bluetooth
> > on ROCK Pi 4 boards") introduced a problem with the clock configuration.
> > Specifically, the clock-names property of the sdio-pwrseq node was not
> > updated to 'lpo', causing the driver to wait indefinitely for the wrong clock
> > signal 'ext_clock' instead of the expected one 'lpo'. This prevented the proper
> > initialization of Wifi/Bluetooth chip on ROCK Pi 4 boards.
> > 
> > To address this, this patch updates the clock-names property of the
> > sdio-pwrseq node to "lpo" to align with the changes made to the bluetooth node.
> > 
> > This patch has been tested on ROCK Pi 4B.
> > 
> > Fixes: f471b1b2db08 ("arm64: dts: rockchip: Fix Bluetooth on ROCK Pi 4 boards")
> > Signed-off-by: Yogesh Hegde <yogi.kernel@...il.com>
> 
> Why are you saying this fixes a specific old commit and not also
> properly cc: the stable@...r.kernel.org alias?
It is a mistake on my part. I apologize for the mistake. 
> 
> Please read:
>     https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
> for how to do this properly.
Thanks for the link, I will read through it and resend a v3 of the patch 
with fixes. 

Thanks and Regards 
-- Yogesh