84 static inline void plic_toggle(struct plic_handler *handler,  in plic_toggle()  argument
87 	u32 __iomem *reg = handler->enable_base + (hwirq / 32) * sizeof(u32);  in plic_toggle()
90 	raw_spin_lock(&handler->enable_lock);  in plic_toggle()
95 	raw_spin_unlock(&handler->enable_lock);  in plic_toggle()
106 		struct plic_handler *handler = per_cpu_ptr(&plic_handlers, cpu);  in plic_irq_toggle()  local
108 		if (handler->present &&  in plic_irq_toggle()
109 		    cpumask_test_cpu(cpu, &handler->priv->lmask))  in plic_irq_toggle()
110 			plic_toggle(handler, d->hwirq, enable);  in plic_irq_toggle()
164 	struct plic_handler *handler = this_cpu_ptr(&plic_handlers);  in plic_irq_eoi()  local
166 	writel(d->hwirq, handler->hart_base + CONTEXT_CLAIM);  in plic_irq_eoi()
226 	struct plic_handler *handler = this_cpu_ptr(&plic_handlers);  in plic_handle_irq()  local
228 	void __iomem *claim = handler->hart_base + CONTEXT_CLAIM;  in plic_handle_irq()
231 	WARN_ON_ONCE(!handler->present);  in plic_handle_irq()
236 		int err = generic_handle_domain_irq(handler->priv->irqdomain,  in plic_handle_irq()
246 static void plic_set_threshold(struct plic_handler *handler, u32 threshold)  in plic_set_threshold()  argument
249 	writel(threshold, handler->hart_base + CONTEXT_THRESHOLD);  in plic_set_threshold()
262 	struct plic_handler *handler = this_cpu_ptr(&plic_handlers);  in plic_starting_cpu()  local
269 	plic_set_threshold(handler, PLIC_ENABLE_THRESHOLD);  in plic_starting_cpu()
280 	struct plic_handler *handler;  in plic_init()  local
336 		/* Find parent domain and register chained handler */  in plic_init()
345 		 * When running in M-mode we need to ignore the S-mode handler.  in plic_init()
349 		handler = per_cpu_ptr(&plic_handlers, cpu);  in plic_init()
350 		if (handler->present) {  in plic_init()
351 			pr_warn("handler already present for context %d.\n", i);  in plic_init()
352 			plic_set_threshold(handler, PLIC_DISABLE_THRESHOLD);  in plic_init()
357 		handler->present = true;  in plic_init()
358 		handler->hart_base =  in plic_init()
360 		raw_spin_lock_init(&handler->enable_lock);  in plic_init()
361 		handler->enable_base =  in plic_init()
363 		handler->priv = priv;  in plic_init()
366 			plic_toggle(handler, hwirq, 0);  in plic_init()
372 	 * when context handler for current/boot CPU is present.  in plic_init()
374 	handler = this_cpu_ptr(&plic_handlers);  in plic_init()
375 	if (handler->present && !plic_cpuhp_setup_done) {  in plic_init()