linux-kernel - Re: [PATCH v1 1/1] gpio: virtio: Fix config space reading.

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Message-ID: <CAMRc=Mcxb4SqH+XJeLkd8J==TNaja3iUep2dEm147HOETUfXEQ@mail.gmail.com>
Date: Fri, 18 Jul 2025 10:11:30 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Harald Mommer <harald.mommer@....qualcomm.com>
Cc: Enrico Weigelt <info@...ux.net>, Viresh Kumar <vireshk@...nel.org>, 
	Linus Walleij <linus.walleij@...aro.org>, linux-gpio@...r.kernel.org, 
	virtualization@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/1] gpio: virtio: Fix config space reading.

On Thu, Jul 17, 2025 at 4:10 PM Harald Mommer
<harald.mommer@....qualcomm.com> wrote:
>
> Quote from the virtio specification chapter 4.2.2.2:
>
> "For the device-specific configuration space, the driver MUST use 8 bit
> wide accesses for 8 bit wide fields, 16 bit wide and aligned accesses
> for 16 bit wide fields and 32 bit wide and aligned accesses for 32 and
> 64 bit wide fields."
>
> Signed-off-by: Harald Mommer <harald.mommer@....qualcomm.com>
> ---

I guess this needs a Fixes tag? And possibly Cc: stable?

Viresh, does this look ok to you?

Bart