dispc_request_irq
int dispc_request_irq(struct dispc_device *dispc, irq_handler_t handler,
ret = dispc_request_irq(priv->dispc, omap_irq_handler, dev);
r = dispc_request_irq(omap_dispc_irq_handler, &dispc_compat);
EXPORT_SYMBOL(dispc_request_irq);
int dispc_request_irq(irq_handler_t handler, void *dev_id);