linux-kernel - Re: [PATCH 29/58] move omap24xxcam's probe function to .devinit.text

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Message-ID: <49D31A5F.90108@nokia.com>
Date:	Wed, 01 Apr 2009 10:40:15 +0300
From:	Sakari Ailus <sakari.ailus@...ia.com>
To:	ext Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Trilok Soni <soni.trilok@...il.com>,
	Hans Verkuil <hverkuil@...all.nl>,
	Mauro Carvalho Chehab <mchehab@...hat.com>
Subject: Re: [PATCH 29/58] move omap24xxcam's probe function to .devinit.text

ext Uwe Kleine-König wrote:
> A pointer to omap24xxcam_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: Sakari Ailus <sakari.ailus@...ia.com>
> Cc: Trilok Soni <soni.trilok@...il.com>
> Cc: Hans Verkuil <hverkuil@...all.nl>
> Cc: Mauro Carvalho Chehab <mchehab@...hat.com>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> ---
>  drivers/media/video/omap24xxcam.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)

Signed-off-by: Sakari Ailus <sakari.ailus@...well.research.nokia.com>

-- 
Sakari Ailus
sakari.ailus@...well.research.nokia.com
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