From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Wed, 6 Nov 2013 19:26:45 +0000 (+0000)
Subject: dmaengine: omap-dma: cleanup errata 3.3 handling
X-Git-Tag: v3.15-rc1~82^2~1^5~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b07fd625ac9df7412bd996edbdc298eb343dd501;p=pandora-kernel.git

dmaengine: omap-dma: cleanup errata 3.3 handling

Provide a function to read the CSAC/CDAC register, working around the
OMAP 3.2/3.3 erratum (which requires two reads of the register if the
first returned zero.

Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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