pata_ixp4xx_cf: fix interrupt

 As per compact flash specifications, the default
 irq mode upon cf insertion is pulse mode. this patch fixes
 the driver to cope with that.

Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
index bbcc9e7..c6f0e19 100644
--- a/drivers/ata/pata_ixp4xx_cf.c
+++ b/drivers/ata/pata_ixp4xx_cf.c
@@ -193,7 +193,7 @@
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq)
-		set_irq_type(irq, IRQT_HIGH);
+		set_irq_type(irq, IRQT_RISING);
 
 	/* Setup expansion bus chip selects */
 	*data->cs0_cfg = data->cs0_bits;