Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / include / asm-arm / arch-pxa / dma.h

diff --git a/include/asm-arm/arch-pxa/dma.h b/include/asm-arm/arch-pxa/dma.h
index 56db3d4..a008150 100644 (file)
--- a/include/asm-arm/arch-pxa/dma.h
+++ b/include/asm-arm/arch-pxa/dma.h
@@ -12,11 +12,6 @@
 #ifndef __ASM_ARCH_DMA_H
 #define __ASM_ARCH_DMA_H
 
-#define MAX_DMA_ADDRESS                0xffffffff
-
-/* No DMA as the rest of the world see it */
-#define MAX_DMA_CHANNELS       0
-
 /*
  * Descriptor structure for PXA's DMA engine
  * Note: this structure must always be aligned to a 16-byte boundary.
@@ -29,27 +24,29 @@ typedef struct pxa_dma_desc {
        volatile u32 dcmd;      /* DCMD value for the current transfer */
 } pxa_dma_desc;
 
+typedef enum {
+       DMA_PRIO_HIGH = 0,
+       DMA_PRIO_MEDIUM = 1,
+       DMA_PRIO_LOW = 2
+} pxa_dma_prio;
+
 #if defined(CONFIG_PXA27x)
 
 #define PXA_DMA_CHANNELS       32
-#define PXA_DMA_NBCH(prio)     ((prio == DMA_PRIO_LOW) ? 16 : 8)
 
-typedef enum {
-       DMA_PRIO_HIGH = 0,
-       DMA_PRIO_MEDIUM = 8,
-       DMA_PRIO_LOW = 16
-} pxa_dma_prio;
+#define pxa_for_each_dma_prio(ch, prio)                                        \
+for (                                                                  \
+       ch = prio * 4;                                                  \
+       ch != (4 << prio) + 16;                                         \
+       ch = (ch + 1 == (4 << prio)) ? (prio * 4 + 16) : (ch + 1)       \
+)
 
 #elif defined(CONFIG_PXA25x)
 
 #define PXA_DMA_CHANNELS       16
-#define PXA_DMA_NBCH(prio)     ((prio == DMA_PRIO_LOW) ? 8 : 4)
 
-typedef enum {
-       DMA_PRIO_HIGH = 0,
-       DMA_PRIO_MEDIUM = 4,
-       DMA_PRIO_LOW = 8
-} pxa_dma_prio;
+#define pxa_for_each_dma_prio(ch, prio)                                        \
+       for (ch = prio * 4; ch != (4 << prio); ch++)
 
 #endif