linux-kernel - Re: [PATCH 23/58] move jornada_ssp's probe function to .devinit.text

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Date:	Sat, 28 Mar 2009 10:26:22 +0100
From:	Kristoffer Ericson <kristoffer.ericson@...il.com>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Kristoffer Ericson <Kristoffer.Ericson@...il.com>,
	Russell King <rmk+kernel@....linux.org.uk>
Subject: Re: [PATCH 23/58] move jornada_ssp's probe function to
 .devinit.text


Acked-by : Kristoffer Ericson <kristoffer.ericson@...il.com>

Thx

On Sat, 28 Mar 2009 00:26:44 +0100
Uwe Kleine-König <u.kleine-koenig@...gutronix.de> wrote:

> A pointer to jornada_ssp_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: Kristoffer Ericson <Kristoffer.Ericson@...il.com>
> Cc: Russell King <rmk+kernel@....linux.org.uk>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> ---
>  arch/arm/mach-sa1100/jornada720_ssp.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/arm/mach-sa1100/jornada720_ssp.c b/arch/arm/mach-sa1100/jornada720_ssp.c
> index 28cf369..ce4c6cb 100644
> --- a/arch/arm/mach-sa1100/jornada720_ssp.c
> +++ b/arch/arm/mach-sa1100/jornada720_ssp.c
> @@ -130,7 +130,7 @@ void jornada_ssp_end(void)
>  };
>  EXPORT_SYMBOL(jornada_ssp_end);
>  
> -static int __init jornada_ssp_probe(struct platform_device *dev)
> +static int __devinit jornada_ssp_probe(struct platform_device *dev)
>  {
>  	int ret;
>  
> -- 
> 1.6.2
> 


-- 
Kristoffer Ericson <kristoffer.ericson@...il.com>

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