fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / arch / arm / mach-pxa / dma.c

diff --git a/arch/arm/mach-pxa/dma.c b/arch/arm/mach-pxa/dma.c
index 458112b..4440bab 100644 (file)
--- a/arch/arm/mach-pxa/dma.c
+++ b/arch/arm/mach-pxa/dma.c
@@ -27,13 +27,13 @@
 
 static struct dma_channel {
        char *name;
-       void (*irq_handler)(int, void *, struct pt_regs *);
+       void (*irq_handler)(int, void *);
        void *data;
 } dma_channels[PXA_DMA_CHANNELS];
 
 
 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)
 {
        unsigned long flags;
@@ -45,23 +45,16 @@ int pxa_request_dma (char *name, pxa_dma_prio prio,
 
        local_irq_save(flags);
 
-       /* try grabbing a DMA channel with the requested priority */
-       for (i = prio; i < prio + PXA_DMA_NBCH(prio); i++) {
-               if (!dma_channels[i].name) {
-                       found = 1;
-                       break;
-               }
-       }
-
-       if (!found) {
-               /* requested prio group is full, try hier priorities */
-               for (i = prio-1; i >= 0; i--) {
+       do {
+               /* try grabbing a DMA channel with the requested priority */
+               pxa_for_each_dma_prio (i, prio) {
                        if (!dma_channels[i].name) {
                                found = 1;
                                break;
                        }
                }
-       }
+               /* if requested prio group is full, try a hier priority */
+       } while (!found && prio--);
 
        if (found) {
                DCSR(i) = DCSR_STARTINTR|DCSR_ENDINTR|DCSR_BUSERR;
@@ -94,7 +87,7 @@ void pxa_free_dma (int dma_ch)
        local_irq_restore(flags);
 }
 
-static irqreturn_t dma_irq_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t dma_irq_handler(int irq, void *dev_id)
 {
        int i, dint = DINT;
 
@@ -102,7 +95,7 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id, struct pt_regs *regs)
                if (dint & (1 << i)) {
                        struct dma_channel *channel = &dma_channels[i];
                        if (channel->name && channel->irq_handler) {
-                               channel->irq_handler(i, channel->data, regs);
+                               channel->irq_handler(i, channel->data);
                        } else {
                                /*
                                 * IRQ for an unregistered DMA channel: