From dbe83a3b921328e12b2abe894fc692afba293d7f Mon Sep 17 00:00:00 2001
From: Andy Walls <awalls@md.metrocast.net>
Date: Mon, 19 Jul 2010 01:19:43 -0300
Subject: [PATCH] V4L/DVB: cx23885: Protect PCI interrupt mask manipulations
 with a spinlock

This patch encapsulates access to the PCI_INT_MSK register and
dev->pci_irqmask variable and protects them with a spinlock.
This is needed because both the hard IRQ handler and a workhandler
will need to manipulate the mask to disable the AV_CORE interrupt.

Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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