ide: make ide_dma_lost_irq() available also for CONFIG_BLK_DEV_IDEDMA_SFF=n

Make ide_dma_lost_irq() available also for CONFIG_BLK_DEV_IDEDMA_SFF=n
and convert {ics,au1xxx-}ide.c to use it.

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/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c
index 1c95a0e..92c90db 100644
--- a/drivers/ide/mips/au1xxx-ide.c
+++ b/drivers/ide/mips/au1xxx-ide.c
@@ -340,11 +340,6 @@
 {
 }
 
-static void auide_dma_lost_irq(ide_drive_t *drive)
-{
-	printk(KERN_ERR "%s: IRQ lost\n", drive->name);
-}
-
 static void auide_ddma_tx_callback(int irq, void *param)
 {
 	_auide_hwif *ahwif = (_auide_hwif*)param;
@@ -390,7 +385,7 @@
 	.dma_start		= auide_dma_start,
 	.dma_end		= auide_dma_end,
 	.dma_test_irq		= auide_dma_test_irq,
-	.dma_lost_irq		= auide_dma_lost_irq,
+	.dma_lost_irq		= ide_dma_lost_irq,
 	.dma_timeout		= auide_dma_timeout,
 };