linux-kernel - Re: [PATCH V7] gpio: Add virtio-gpio driver

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Date:   Tue, 31 Aug 2021 02:26:27 -0400
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Viresh Kumar <viresh.kumar@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        "Enrico Weigelt, metux IT consult" <info@...ux.net>,
        Viresh Kumar <vireshk@...nel.org>,
        Jason Wang <jasowang@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Arnd Bergmann <arnd@...nel.org>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>,
        Bill Mills <bill.mills@...aro.org>,
        Alex Bennée <alex.bennee@...aro.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        stratos-dev@...lists.linaro.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH V7] gpio: Add virtio-gpio driver

On Mon, Aug 23, 2021 at 09:52:22AM +0200, Bartosz Golaszewski wrote:
> On Thu, Aug 19, 2021 at 6:30 AM Viresh Kumar <viresh.kumar@...aro.org> wrote:
> >
> > This patch adds a new driver for Virtio based GPIO devices.
> >
> > This allows a guest VM running Linux to access GPIO lines provided by
> > the host. It supports all basic operations, except interrupts for the
> > GPIO lines.
> >
> > Based on the initial work posted by:
> > "Enrico Weigelt, metux IT consult" <lkml@...ux.net>.
> >
> > Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> > Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> > ---
> > Bartosz,
> >
> > Can you please pick this up for 5.15, the specification is already merged now:
> >
> > https://github.com/oasis-tcs/virtio-spec/blob/master/virtio-gpio.tex
> >
> > I will follow up with the IRQ stuff separately.
> >
> 
> Applied, thanks!
> 
> Bart

Um. didn't expect this to be applied yet, the driver is not
sparse clean, kernel build bot gave some other warnings too.