diff --git a/drivers/ata/pata_platform.c b/drivers/ata/pata_platform.c
index 31cd0f39b0a7..5aba691f09af 100644
--- a/drivers/ata/pata_platform.c
+++ b/drivers/ata/pata_platform.c
@@ -114,7 +114,7 @@ int __pata_platform_probe(struct device *dev, struct resource *io_res,
 	 */
 	if (irq_res && irq_res->start > 0) {
 		irq = irq_res->start;
-		irq_flags = irq_res->flags & IRQF_TRIGGER_MASK;
+		irq_flags = (irq_res->flags & IRQF_TRIGGER_MASK) | IRQF_SHARED;
 	}
 
 	/*