linux-kernel - Re: [PATCH] remoteproc: virtio: Fix warning on bindings by removing the of_match

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Message-ID: <CANLsYkw357ajx8BnbykKiVD+BVv21VwAaYjvFDwqbvEw7cBDHQ@mail.gmail.com>
Date:   Tue, 4 Oct 2022 13:51:44 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>
Cc:     Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh@...nel.org>,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com
Subject: Re: [PATCH] remoteproc: virtio: Fix warning on bindings by removing
 the of_match_table

On Tue, 4 Oct 2022 at 11:40, Arnaud Pouliquen
<arnaud.pouliquen@...s.st.com> wrote:
>
> The checkpatch tool complains that "virtio,rproc" is not documented.
> But it is not possible to probe the device "rproc-virtio" by declaring
> it in the device tree. So documenting it in the bindings does not make
> sense.
> This commit solves the checkpatch warning by suppressing the useless
> of_match_table.
>
> Fix-suggested-by: Rob Herring <robh@...nel.org>

I'll change that for "Suggested-by:"

> Fixes: 1d7b61c06dc3 ("remoteproc: virtio: Create platform device for the remoteproc_virtio")
>
> Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>
> ---
>  drivers/remoteproc/remoteproc_virtio.c | 6 ------
>  1 file changed, 6 deletions(-)
>
> diff --git a/drivers/remoteproc/remoteproc_virtio.c b/drivers/remoteproc/remoteproc_virtio.c
> index a29e3b8ff69c..26a7d8c498bc 100644
> --- a/drivers/remoteproc/remoteproc_virtio.c
> +++ b/drivers/remoteproc/remoteproc_virtio.c
> @@ -593,17 +593,11 @@ static int rproc_virtio_remove(struct platform_device *pdev)
>  }
>
>  /* Platform driver */
> -static const struct of_device_id rproc_virtio_match[] = {
> -       { .compatible = "virtio,rproc" },
> -       {},
> -};
> -
>  static struct platform_driver rproc_virtio_driver = {
>         .probe          = rproc_virtio_probe,
>         .remove         = rproc_virtio_remove,
>         .driver         = {
>                 .name   = "rproc-virtio",
> -               .of_match_table = rproc_virtio_match,

Yes, this is quite simple and slick.  Rob - is this what you meant earlier on?

>         },
>  };
>  builtin_platform_driver(rproc_virtio_driver);
> --
> 2.24.3
>