[ARM] dma: make DMA_MODE_xxx reflect ISA DMA settings

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 8 insertions, 5 deletions

diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h
index c5557a650d1d..59f59c6c79f7 100644
--- a/arch/arm/include/asm/dma.h
+++ b/arch/arm/include/asm/dma.h
@@ -26,12 +26,15 @@
  */
 typedef unsigned int dmamode_t;
 
-#define DMA_MODE_MASK   3
+/*
+ * The DMA modes reflect the settings for the ISA DMA controller
+ */
+#define DMA_MODE_MASK    0xcc
 
-#define DMA_MODE_READ    0
-#define DMA_MODE_WRITE   1
-#define DMA_MODE_CASCADE 2
-#define DMA_AUTOINIT     4
+#define DMA_MODE_READ    0x44
+#define DMA_MODE_WRITE   0x48
+#define DMA_MODE_CASCADE 0xc0
+#define DMA_AUTOINIT     0x10
 
 extern spinlock_t  dma_spin_lock;