static int ipa_smp2p_irq_init(struct ipa_smp2p *smp2p, const char *name,
			      irq_handler_t handler)
static int ipa_smp2p_irq_init(struct ipa_smp2p *smp2p,
			      struct platform_device *pdev,
			      const char *name, irq_handler_t handler)