dmaengine: omap-dma: move reading of dma position to omap-dma.c

Read the current DMA position from the hardware directly rather than via
arch/arm/plat-omap/dma.c.

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>
1 file changed