Blackfin arch: add volatile markings to DMA MMRs

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07 23:14:38 +08:00 · 2009-01-07 23:14:38 +08:00 · 4ce1873634
commit 4ce1873634
parent 6a6be3d188
1 changed files with 1 additions and 1 deletions
--- a/arch/blackfin/include/asm/dma.h
+++ b/arch/blackfin/include/asm/dma.h
@ -109,7 +109,7 @@ struct dma_channel {
 	struct mutex dmalock;
 	const char *device_id;
 	enum dma_chan_status chan_status;
-	struct dma_register *regs;
+	volatile struct dma_register *regs;
 	struct dmasg *sg;		/* large mode descriptor */
 	unsigned int irq;
 	void *data;