davinci: da8xx: clean up magic numbers in devices-da8xx.c

Extract magic numbers from DMA resource initializers to #defines.

Signed-off-by: Michael Williamson <michael.williamson@criticallink.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>

1 files changed, 13 insertions, 8 deletions

diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 9eec63070e0c..9b1ecfb3905d 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -44,6 +44,11 @@
 #define DA8XX_EMAC_RAM_OFFSET           0x0000
 #define DA8XX_EMAC_CTRL_RAM_SIZE        SZ_8K
 
+#define DA8XX_DMA_MMCSD0_RX     EDMA_CTLR_CHAN(0, 16)
+#define DA8XX_DMA_MMCSD0_TX     EDMA_CTLR_CHAN(0, 17)
+#define DA850_DMA_MMCSD1_RX     EDMA_CTLR_CHAN(1, 28)
+#define DA850_DMA_MMCSD1_TX     EDMA_CTLR_CHAN(1, 29)
+
 void __iomem *da8xx_syscfg0_base;
 void __iomem *da8xx_syscfg1_base;
 
@@ -566,13 +571,13 @@ static struct resource da8xx_mmcsd0_resources[] = {
                 .flags  = IORESOURCE_IRQ,
         },
         {               /* DMA RX */
-                .start  = EDMA_CTLR_CHAN(0, 16),
-                .end    = EDMA_CTLR_CHAN(0, 16),
+                .start  = DA8XX_DMA_MMCSD0_RX,
+                .end    = DA8XX_DMA_MMCSD0_RX,
                 .flags  = IORESOURCE_DMA,
         },
         {               /* DMA TX */
-                .start  = EDMA_CTLR_CHAN(0, 17),
-                .end    = EDMA_CTLR_CHAN(0, 17),
+                .start  = DA8XX_DMA_MMCSD0_TX,
+                .end    = DA8XX_DMA_MMCSD0_TX,
                 .flags  = IORESOURCE_DMA,
         },
 };
@@ -603,13 +608,13 @@ static struct resource da850_mmcsd1_resources[] = {
                 .flags  = IORESOURCE_IRQ,
         },
         {               /* DMA RX */
-                .start  = EDMA_CTLR_CHAN(1, 28),
-                .end    = EDMA_CTLR_CHAN(1, 28),
+                .start  = DA850_DMA_MMCSD1_RX,
+                .end    = DA850_DMA_MMCSD1_RX,
                 .flags  = IORESOURCE_DMA,
         },
         {               /* DMA TX */
-                .start  = EDMA_CTLR_CHAN(1, 29),
-                .end    = EDMA_CTLR_CHAN(1, 29),
+                .start  = DA850_DMA_MMCSD1_TX,
+                .end    = DA850_DMA_MMCSD1_TX,
                 .flags  = IORESOURCE_DMA,
         },
 };