On Fri,  1 Feb 2013 20:40:17 +0100 (CET), Michał Mirosław <mirq-linux-CoA6ZxLDdyEEUmgCuDUIdw@public.gmane.org> wrote:
> All in-kernel users of class_find_device() don't really need mutable
> data for match callback.
> 
> In two places (kernel/power/suspend_test.c, drivers/scsi/osd/osd_uld.c)
> this patch changes match callbacks to use const search data.
> 
> The const is propagated to rtc_class_open() and power_supply_get_by_name()
> parameters.
> 
> Note that there's a dev reference leak in suspend_test.c that's not
> touched in this patch.
> 
> Signed-off-by: Michał Mirosław <mirq-linux-CoA6ZxLDdyEEUmgCuDUIdw@public.gmane.org>
> ---
> 
> patch against https://github.com/torvalds/linux.git master

Acked-by: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org> for the GPIO and SPI
bits.