ccp_irq_handler
ret = sp_request_ccp_irq(ccp->sp, ccp_irq_handler, ccp->name, ccp);
.irqhandler = ccp_irq_handler,
sp->ccp_irq_handler = NULL;
if (!sp->ccp_irq_handler) {
if (sp->ccp_irq_handler)
sp->ccp_irq_handler(irq, sp->ccp_irq_data);
sp->ccp_irq_handler = handler;
irq_handler_t ccp_irq_handler;