From 2e507d849f1834d3fe9aae71b7aabf4c2a3827b8 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 22 May 2009 18:24:20 +0200
Subject: [PATCH] dma-debug: add variables and checks for driver filter

This patch adds the state variables for the driver filter and a function
to check if the filter is enabled and matches to the current device. The
check is built into the err_printk function.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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