[MIPS] Complete fixes after removal of pt_regs argument to int handlers.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/au1000/common/dma.c b/arch/mips/au1000/common/dma.c
index fb7c47c..c3019b9 100644
--- a/arch/mips/au1000/common/dma.c
+++ b/arch/mips/au1000/common/dma.c
@@ -160,7 +160,7 @@
  * Requests the DMA done IRQ if irqhandler != NULL.
  */
 int request_au1000_dma(int dev_id, const char *dev_str,
-		       irqreturn_t (*irqhandler)(int, void *, struct pt_regs *),
+		       irqreturn_t (*irqhandler)(int, void *),
 		       unsigned long irqflags,
 		       void *irq_dev_id)
 {