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/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c
index 49aa82e..9dd7cb4 100644
--- a/drivers/ide/pci/alim15x3.c
+++ b/drivers/ide/pci/alim15x3.c
@@ -745,7 +745,7 @@
 		return;
 	if (!hwif->channel)
 		outb(inb(dmabase + 2) & 0x60, dmabase + 2);
-	ide_setup_dma(hwif, dmabase, 8);
+	ide_setup_dma(hwif, dmabase);
 }
 
 static const struct ide_port_info ali15x3_chipset __devinitdata = {
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index 1268593..d33a3f9 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -1413,7 +1413,7 @@
 
 	local_irq_restore(flags);
 
-	ide_setup_dma(hwif, dmabase, 8);
+	ide_setup_dma(hwif, dmabase);
 }
 
 static void __devinit hpt374_init(struct pci_dev *dev, struct pci_dev *dev2)
diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c
index 3a1e081..ea66383 100644
--- a/drivers/ide/pci/pdc202xx_old.c
+++ b/drivers/ide/pci/pdc202xx_old.c
@@ -334,7 +334,7 @@
 	u8 udma_speed_flag = 0, primary_mode = 0, secondary_mode = 0;
 
 	if (hwif->channel) {
-		ide_setup_dma(hwif, dmabase, 8);
+		ide_setup_dma(hwif, dmabase);
 		return;
 	}
 
@@ -358,7 +358,7 @@
 	}
 #endif /* CONFIG_PDC202XX_BURST */
 
-	ide_setup_dma(hwif, dmabase, 8);
+	ide_setup_dma(hwif, dmabase);
 }
 
 static void __devinit pdc202ata4_fixup_irq(struct pci_dev *dev,