ide: __ide_dma_end() -> ide_dma_end()

While at it:
- use EXPORT_SYMBOL_GPL() to match the rest of SFF DMA functions

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c
index bb89c50..935385c 100644
--- a/drivers/ide/pci/cmd64x.c
+++ b/drivers/ide/pci/cmd64x.c
@@ -228,7 +228,7 @@
 {
 	ide_hwif_t *hwif	= HWIF(drive);
 	unsigned long base	= hwif->dma_base - (hwif->channel * 8);
-	int err			= __ide_dma_end(drive);
+	int err			= ide_dma_end(drive);
 	u8  irq_mask		= hwif->channel ? MRDMODE_INTR_CH1 :
 						  MRDMODE_INTR_CH0;
 	u8  mrdmode		= inb(base + 1);
@@ -248,7 +248,7 @@
 	u8  irq_mask		= hwif->channel ? ARTTIM23_INTR_CH1 :
 						  CFR_INTR_CH0;
 	u8  irq_stat		= 0;
-	int err			= __ide_dma_end(drive);
+	int err			= ide_dma_end(drive);
 
 	(void) pci_read_config_byte(dev, irq_reg, &irq_stat);
 	/* clear the interrupt bit */