X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-arm%2Farch-pxa%2Fdma.h;h=bed042d71d68dd7154e5cf5ed0c4035230858706;hb=refs%2Fheads%2Fvserver;hp=3e88a2a02a0fdd01186107439eed4711d38b9a7f;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/include/asm-arm/arch-pxa/dma.h b/include/asm-arm/arch-pxa/dma.h
index 3e88a2a02..bed042d71 100644
--- a/include/asm-arm/arch-pxa/dma.h
+++ b/include/asm-arm/arch-pxa/dma.h
@@ -24,27 +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
 
@@ -54,7 +56,7 @@ typedef enum {
 
 int pxa_request_dma (char *name,
 			 pxa_dma_prio prio,
-			 void (*irq_handler)(int, void *, struct pt_regs *),
+			 void (*irq_handler)(int, void *),
 			 void *data);
 
 void pxa_free_dma (int dma_ch);