linux-kernel - Re: [RFC v1 3/4] regulator: core: Probe regulator devices

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Message-ID: <Y/ZV9J1SMwtRUa3N@sirena.org.uk>
Date:   Wed, 22 Feb 2023 17:50:44 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Saravana Kannan <saravanak@...gle.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Sudeep Holla <sudeep.holla@....com>,
        Tony Lindgren <tony@...mide.com>,
        Doug Anderson <dianders@...omium.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Luca Weiss <luca.weiss@...rphone.com>, kernel-team@...roid.com,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC v1 3/4] regulator: core: Probe regulator devices

On Sat, Feb 18, 2023 at 12:32:50AM -0800, Saravana Kannan wrote:
> Since devices added to a bus can be probed, add a stub probe function
> for regulator devices.

Why?

> +static int regulator_drv_probe(struct device *dev)
> +{
> +	return 0;
> +}

This is just an empty function - why do we need it?  Looking at
call_driver_probe() it doesn't appear to be required.

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