linux-kernel - Re: [PATCH] move sb1250-mac's probe function to .devinit.text

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Date:	Sun, 12 Jul 2009 01:36:56 +0100 (BST)
From:	"Maciej W. Rozycki" <macro@...ux-mips.org>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
cc:	Greg KH <gregkh@...e.de>, linux-kernel@...r.kernel.org,
	Weiwei Wang <weiwei.wang@...driver.com>,
	Jeff Garzik <jgarzik@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	Stephen Hemminger <shemminger@...tta.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] move sb1250-mac's probe function to .devinit.text

On Sat, 11 Jul 2009, Uwe Kleine-K?nig wrote:

> A pointer to sbmac_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-K?nig <u.kleine-koenig@...gutronix.de>
> Cc: Weiwei Wang <weiwei.wang@...driver.com>
> Cc: Jeff Garzik <jgarzik@...hat.com>
> Cc: David S. Miller <davem@...emloft.net>
> Cc: Stephen Hemminger <shemminger@...tta.com>
> Cc: Maciej W. Rozycki <macro@...ux-mips.org>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> ---
>  drivers/net/sb1250-mac.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)

Acked-by: Maciej W. Rozycki <macro@...ux-mips.org>

 Fine by me, thanks.

  Maciej
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