linux-kernel - Re: [PATCH] register at91_ether using platform_driver

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Message-Id: <20090722.112456.150910386.davem@davemloft.net>
Date:	Wed, 22 Jul 2009 11:24:56 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	avictor.za@...il.com
Cc:	u.kleine-koenig@...gutronix.de, linux-kernel@...r.kernel.org,
	dbrownell@...rs.sourceforge.net, netdev@...r.kernel.org,
	paulius.zaleckas@...tonika.lt, marc.pignat@...s.ch,
	linux@...im.org.za, 12o3l@...cali.nl, akpm@...ux-foundation.org,
	gregkh@...e.de
Subject: Re: [PATCH] register at91_ether using platform_driver_probe

From: Andrew Victor <avictor.za@...il.com>
Date: Wed, 22 Jul 2009 19:46:24 +0200

> hi,
> 
>> at91ether_probe lives in .init.text, so using platform_driver_register
>> to register it is wrong because binding a device after the init memory
>> is discarded (e.g. via sysfs) results in an oops.
>>
>> As requested by David Brownell platform_driver_probe is used instead of
>> moving the probe function to .devinit.text as proposed initially.
>> This saves some memory, but devices registered after the driver is
>> probed are not bound (probably there are none) and binding via sysfs
>> isn't possible.
> 
> 
> Acked-by: Andrew Victor <linux@...im.org.za>

Applied, thanks everyone.
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