linux-kernel - Re: [PATCH] move wm8400-regulator's probe function to .devinit.text

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Message-ID: <20090113113917.GC11651@sirena.org.uk>
Date:	Tue, 13 Jan 2009 11:39:19 +0000
From:	Mark Brown <broonie@...ena.org.uk>
To:	Uwe Kleine-K??nig <u.kleine-koenig@...gutronix.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] move wm8400-regulator's probe function to .devinit.text

On Mon, Jan 12, 2009 at 11:25:05PM +0100, Uwe Kleine-K??nig wrote:
> A pointer to wm8400_regulator_probe is passed to the core via
> platform_driver_register and so the function must not disappear when the
> .init sections are discarded.  Otherwise (if also having HOTPLUG=y)
> unbinding and binding a device to the driver via sysfs will result in an
> oops as does a device being registered late.

> An alternative to this patch is using platform_driver_probe instead of
> platform_driver_register plus removing the pointer to the probe function
> from the struct platform_driver.

> Signed-off-by: Uwe Kleine-K??nig <u.kleine-koenig@...gutronix.de>

Acked-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
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