linux-kernel - Re: [PATCH 34/58] move omap_rng's probe function to .devinit.text

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Date:	Sun, 29 Mar 2009 15:47:31 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Russell King <rmk+kernel@....linux.org.uk>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	Patrick McHardy <kaber@...sh.net>,
	Jan Engelhardt <jengelh@....de>, Michael Buesch <mb@...sch.de>
Subject: Re: [PATCH 34/58] move omap_rng's probe function to .devinit.text

On Sat, Mar 28, 2009 at 12:26:55AM +0100, Uwe Kleine-König wrote:
> A pointer to omap_rng_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>
> Cc: Russell King <rmk+kernel@....linux.org.uk>
> Cc: David Brownell <dbrownell@...rs.sourceforge.net>
> Cc: Herbert Xu <herbert@...dor.apana.org.au>
> Cc: Patrick McHardy <kaber@...sh.net>
> Cc: Jan Engelhardt <jengelh@....de>
> Cc: Michael Buesch <mb@...sch.de>
> Cc: Andrew Morton <akpm@...ux-foundation.org>

Applied to cryptodev.  Thanks!
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