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>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/blackfin/include/asm/dma.h b/arch/blackfin/include/asm/dma.h
index 65bf3d610a4c..30595bf3ccbd 100644
--- 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;