ide: ide_setup_dma() assumes 8 ports

According to http://marc.info/?l=linux-ide&m=114346138611631, the drivers must
always register 8 DMA ports with ide_setup_dma(), so its last argument is not
needed. While at it, kill some useless parens in that function...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index 676c66e..c473f45 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -451,7 +451,7 @@
 			if (d->init_dma) {
 				d->init_dma(hwif, dma_base);
 			} else {
-				ide_setup_dma(hwif, dma_base, 8);
+				ide_setup_dma(hwif, dma_base);
 			}
 		} else {
 			printk(KERN_INFO "%s: %s Bus-Master DMA disabled "