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GPIO 24 is used in reference designs as a soft-reset button, and the alix2 is no exception. Add it as a gpio-button. Use symbolic values to describe BIOS addresses. Record the model number. Signed-off-by: Philip A. Prindeville <philipp@redfish-solutions.com> Acked-by: Ed Wildgoose <kernel@wildgooses.com> Acked-by: Andres Salomon <dilinger@queued.net> Cc: Matthew Garrett <mjg@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/n/tip-sjp6k1rjksitx1pej0c0qxd1@git.kernel.org [ tidied up the code a bit ] Signed-off-by: Ingo Molnar <mingo@elte.hu>