ide: unexport ide_dma_on

ide_dma_on can be unexported.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 5bf3203..15f8c6a 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -474,8 +474,6 @@
 	drive->hwif->dma_host_set(drive, 1);
 }
 
-EXPORT_SYMBOL(ide_dma_on);
-
 #ifdef CONFIG_BLK_DEV_IDEDMA_PCI
 /**
  *	ide_dma_setup	-	begin a DMA phase