serial: mrst_max3110: Make the IRQ option runtime
authorAlan Cox <alan@linux.intel.com>
Mon, 13 Sep 2010 07:39:56 +0000 (15:39 +0800)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 22 Oct 2010 17:20:03 +0000 (10:20 -0700)
And while we are at it allow it to fail to find one. Without this the IRQ
option will cause the 3110 driver to fail on 0.7 SFI firmware.

Acked-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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