Commit 76068c3c authored Apr 23, 2009 by Robin Getz Committed by Mike Frysinger Jun 12, 2009

Blackfin: annotate anomaly 05000119 in core DMA code



Add a reminder note to avoid the DMA_DONE bit in our DMA core code.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

parent bc4d6f36

arch/blackfin/kernel/bfin_dma_5xx.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,11 @@
		#include <asm/dma.h>
		#include <asm/uaccess.h>

		/*
		* To make sure we work around 05000119 - we always check DMA_DONE bit,
		* never the DMA_RUN bit
		*/

		struct dma_channel dma_ch[MAX_DMA_CHANNELS];
		EXPORT_SYMBOL(dma_ch);