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

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Message-ID: <cd73a99e0907221046k5e435fd3m3cb1fd006c0385a7@mail.gmail.com>
Date:	Wed, 22 Jul 2009 19:46:24 +0200
From:	Andrew Victor <avictor.za@...il.com>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Cc:	linux-kernel@...r.kernel.org,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	netdev@...r.kernel.org,
	Paulius Zaleckas <paulius.zaleckas@...tonika.lt>,
	Marc Pignat <marc.pignat@...s.ch>,
	Andrew Victor <linux@...im.org.za>,
	Roel Kluin <12o3l@...cali.nl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: [PATCH] register at91_ether using platform_driver_probe

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>
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