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

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Message-Id: <1231840658.4934.74.camel@vega.slimlogic.co.uk>
Date:	Tue, 13 Jan 2009 09:57:38 +0000
From:	Liam Girdwood <lrg@...mlogic.co.uk>
To:	Uwe Kleine-König 
	<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, 2009-01-12 at 23:25 +0100, Uwe Kleine-König 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-König <u.kleine-koenig@...gutronix.de>

Applied.

Thanks

Liam

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