From 77978089ddc90347644cc057e6b6cd169ac9abd4 Mon Sep 17 00:00:00 2001
From: Brendan McGrath <redmcg@redmandi.dyndns.org>
Date: Fri, 10 Apr 2015 03:39:22 -0300
Subject: [PATCH] [media] saa7164: use an MSI interrupt when available

Enhances driver to use an MSI interrupt when available.

Adds the module option 'enable_msi' (type bool) which by default is
enabled. Can be set to 'N' to disable.

Fixes (or can reduce the occurrence of) a crash which is most commonly
reported when both digital tuners of the saa7164 chip is in use. A
reported example can be found here:
http://permalink.gmane.org/gmane.linux.drivers.video-input-infrastructure/83948

Reviewed-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Brendan McGrath <redmcg@redmandi.dyndns.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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