From: Peter Ujfalusi <peter.ujfalusi@ti.com>
Date: Fri, 9 Dec 2011 21:38:00 +0000 (-0800)
Subject: ARM: OMAP2+: DMA: Workaround for invalid destination position
X-Git-Tag: sz_beta2~41^3~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ce40eab9df8a39bf906d72537b78f328000c44d4;p=pandora-kernel.git

ARM: OMAP2+: DMA: Workaround for invalid destination position

If the DMA destination position has been asked before the
first actual data transfer has been done, the CDAC
register still contains 0 (it is initialized to 0 at
omsp_dma_start).
If CDAC == 0, return the programmed start address.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---

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