Re: [PATCH 4/9] x86: move hp-wmi's probe function to .devinit.text

From: Matthew Garrett
Date: Thu Feb 04 2010 - 15:05:38 EST


On Thu, Feb 04, 2010 at 08:56:52PM +0100, Uwe Kleine-König wrote:
> A pointer to hp_wmi_bios_setup 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@xxxxxxxxxxxxxx>
> Cc: Frans Pop <elendil@xxxxxxxxx>
> Cc: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
> Cc: Len Brown <lenb@xxxxxxxxxx>
> Cc: Helge Deller <deller@xxxxxx>
> Cc: Matthew Garrett <mjg@xxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>

Acked-by: Matthew Garrett <mjg@xxxxxxxxxx>

--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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