usb: isp1760: Set IRQF_SHARED flag in core code

The IRQF_SHARED flag needs to be set regardless of the bus type. Don't
require glue code to set it manually.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/host/isp1760-core.c b/drivers/usb/host/isp1760-core.c
index d38efa0..35278a8 100644
--- a/drivers/usb/host/isp1760-core.c
+++ b/drivers/usb/host/isp1760-core.c
@@ -43,8 +43,8 @@
 	if (IS_ERR(isp->regs))
 		return PTR_ERR(isp->regs);
 
-	ret = isp1760_hcd_register(&isp->hcd, isp->regs, mem, irq, irqflags,
-				   dev, devflags);
+	ret = isp1760_hcd_register(&isp->hcd, isp->regs, mem, irq,
+				   irqflags | IRQF_SHARED, dev, devflags);
 	if (ret < 0)
 		return ret;