USB: s3c2410 gadget: allow sharing of vbus irq

If another driver wants to claim the vbus pin, say
to notify the user of an connect/disconnect then allow
the IRQ to be shared by specifiying IRQ_SHARED in the
flags.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/gadget/s3c2410_udc.c

@@ -1873,7 +1873,7 @@ static int s3c2410_udc_probe(struct platform_device *pdev)
 		irq = s3c2410_gpio_getirq(udc_info->vbus_pin);
 		retval = request_irq(irq, s3c2410_udc_vbus_irq,
 				     IRQF_DISABLED | IRQF_TRIGGER_RISING
-				| IRQF_TRIGGER_FALLING,
+				     | IRQF_TRIGGER_FALLING | IRQF_SHARED,
 				     gadget_name, udc);
 
 		if (retval != 0) {