From: Tao Hu <taohu@motorola.com>
Date: Tue, 10 Nov 2009 00:31:14 +0000 (-0800)
Subject: omap: Fix race condition in omap dma driver
X-Git-Tag: v2.6.32-omap1~11^2^2~1^2^2^2^2~5
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a074bc56f1e9797e15fd2d5e16ee1d78779fdcb3;p=pandora-kernel.git

omap: Fix race condition in omap dma driver

The bug could cause irq enable bit of one DMA channel is
cleared/set unexpectedly when 2 (or more) drivers are calling
omap_request_dma()/omap_free_dma() simultaneously

Signed-off-by: Fei Yang <AFY095@motorola.com>
Signed-off-by: Tao Hu <taohu@motorola.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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