ata: pata_platform: Add IRQF_SHARED to IRQ flags

It's quite possible that multiple devices can be hooked up
to the same interrupt line with the processor. So add IRQF_SHARED
in request irq.
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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;
 	}
 
 	/*