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ARM: OMAP2+: DMA: Workaround for invalid destination position
authorPeter Ujfalusi <peter.ujfalusi@ti.com>
Fri, 9 Dec 2011 21:38:00 +0000 (13:38 -0800)
committerTony Lindgren <tony@atomide.com>
Fri, 9 Dec 2011 21:38:00 +0000 (13:38 -0800)
commit06e8077b556a372871c04dd68f47e8c25e9ca348
treeb792a9ad2ef20d6e837c6b1749ef817c6286b44etree | snapshot
parent7ba966804f58ccd81375827a71222efaa131aa70commit | diff
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>
arch/arm/plat-omap/dma.c diff | blob | history
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