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References: <20230111113018.459199-1-gregkh@linuxfoundation.org> <20230111113018.459199-2-gregkh@linuxfoundation.org>
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From:   Rob Herring <robh+dt@kernel.org>
Date:   Wed, 11 Jan 2023 08:54:04 -0600
Message-ID: <CAL_JsqJ4QsLym-bQGGjUpzT14MYuTE1n8BQkGn6Ey9NiFF7u7w@mail.gmail.com>
Subject: Re: [PATCH v2 01/16] of: device: make of_device_uevent_modalias()
 take a const device *
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     linux-kernel@vger.kernel.org,
        Michael Ellerman <mpe@ellerman.id.au>,
        Nicholas Piggin <npiggin@gmail.com>,
        Christophe Leroy <christophe.leroy@csgroup.eu>,
        Chen-Yu Tsai <wens@csie.org>,
        Jernej Skrabec <jernej.skrabec@gmail.com>,
        Samuel Holland <samuel@sholland.org>,
        David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Frank Rowand <frowand.list@gmail.com>,
        Liang He <windhl@126.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Christophe JAILLET <christophe.jaillet@wanadoo.fr>,
        Thomas Zimmermann <tzimmermann@suse.de>,
        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
        Douglas Anderson <dianders@chromium.org>,
        Lyude Paul <lyude@redhat.com>,
        Corentin Labbe <clabbe@baylibre.com>,
        Zou Wei <zou_wei@huawei.com>, linuxppc-dev@lists.ozlabs.org,
        linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev,
        dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org
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On Wed, Jan 11, 2023 at 5:30 AM Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> of_device_uevent_modalias() does not modify the device pointer passed to
> it, so mark it constant.  In order to properly do this, a number of
> busses need to have a modalias function added as they were attempting to
> just point to of_device_uevent_modalias instead of their bus-specific
> modalias function.  This is fine except if the prototype for a bus and
> device type modalias function diverges and then problems could happen.  To
> prevent all of that, just wrap the call to of_device_uevent_modalias()
> directly for each bus and device type individually.

Why not just put the wrapper function in the DT code instead of making
4 copies of it?

Rob