From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 22 May 2009 19:23:13 +0000 (+0200)
Subject: dma-debug: add debugfs file for driver filter
X-Git-Tag: v2.6.31-rc1~408^2~6^2^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8a6fc708b9bb48a79a385bdc2be0959ee2ab788d;p=pandora-kernel.git

dma-debug: add debugfs file for driver filter

This patch adds the dma-api/driver_filter file to debugfs. The root user
can write a driver name into this file to see only dma-api errors for
that particular driver in the kernel log. Writing an empty string to
that file disables the driver filter.

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