104 static void plic_toggle(struct plic_handler *handler, int hwirq, int enable)  in plic_toggle()  argument
106 	raw_spin_lock(&handler->enable_lock);  in plic_toggle()
107 	__plic_toggle(handler->enable_base, hwirq, enable);  in plic_toggle()
108 	raw_spin_unlock(&handler->enable_lock);  in plic_toggle()
117 		struct plic_handler *handler = per_cpu_ptr(&plic_handlers, cpu);  in plic_irq_toggle()  local
119 		plic_toggle(handler, d->hwirq, enable);  in plic_irq_toggle()
149 	struct plic_handler *handler = this_cpu_ptr(&plic_handlers);  in plic_irq_eoi()  local
152 		plic_toggle(handler, d->hwirq, 1);  in plic_irq_eoi()
153 		writel(d->hwirq, handler->hart_base + CONTEXT_CLAIM);  in plic_irq_eoi()
154 		plic_toggle(handler, d->hwirq, 0);  in plic_irq_eoi()
156 		writel(d->hwirq, handler->hart_base + CONTEXT_CLAIM);  in plic_irq_eoi()
257 		struct plic_handler *handler = per_cpu_ptr(&plic_handlers, cpu);  in plic_irq_suspend()  local
259 		if (!handler->present)  in plic_irq_suspend()
262 		raw_spin_lock(&handler->enable_lock);  in plic_irq_suspend()
264 			reg = handler->enable_base + i * sizeof(u32);  in plic_irq_suspend()
265 			handler->enable_save[i] = readl(reg);  in plic_irq_suspend()
267 		raw_spin_unlock(&handler->enable_lock);  in plic_irq_suspend()
288 		struct plic_handler *handler = per_cpu_ptr(&plic_handlers, cpu);  in plic_irq_resume()  local
290 		if (!handler->present)  in plic_irq_resume()
293 		raw_spin_lock(&handler->enable_lock);  in plic_irq_resume()
295 			reg = handler->enable_base + i * sizeof(u32);  in plic_irq_resume()
296 			writel(handler->enable_save[i], reg);  in plic_irq_resume()
298 		raw_spin_unlock(&handler->enable_lock);  in plic_irq_resume()
367 	struct plic_handler *handler = this_cpu_ptr(&plic_handlers);  in plic_handle_irq()  local
369 	void __iomem *claim = handler->hart_base + CONTEXT_CLAIM;  in plic_handle_irq()
372 	WARN_ON_ONCE(!handler->present);  in plic_handle_irq()
377 		int err = generic_handle_domain_irq(handler->priv->irqdomain,  in plic_handle_irq()
387 static void plic_set_threshold(struct plic_handler *handler, u32 threshold)  in plic_set_threshold()  argument
390 	writel(threshold, handler->hart_base + CONTEXT_THRESHOLD);  in plic_set_threshold()
403 	struct plic_handler *handler = this_cpu_ptr(&plic_handlers);  in plic_starting_cpu()  local
410 	plic_set_threshold(handler, PLIC_ENABLE_THRESHOLD);  in plic_starting_cpu()
422 	struct plic_handler *handler;  in __plic_init()  local
498 		/* Find parent domain and register chained handler */  in __plic_init()
507 		 * When running in M-mode we need to ignore the S-mode handler.  in __plic_init()
511 		handler = per_cpu_ptr(&plic_handlers, cpu);  in __plic_init()
512 		if (handler->present) {  in __plic_init()
513 			pr_warn("handler already present for context %d.\n", i);  in __plic_init()
514 			plic_set_threshold(handler, PLIC_DISABLE_THRESHOLD);  in __plic_init()
519 		handler->present = true;  in __plic_init()
520 		handler->hart_base = priv->regs + CONTEXT_BASE +  in __plic_init()
522 		raw_spin_lock_init(&handler->enable_lock);  in __plic_init()
523 		handler->enable_base = priv->regs + CONTEXT_ENABLE_BASE +  in __plic_init()
525 		handler->priv = priv;  in __plic_init()
527 		handler->enable_save =  kcalloc(DIV_ROUND_UP(nr_irqs, 32),  in __plic_init()
528 						sizeof(*handler->enable_save), GFP_KERNEL);  in __plic_init()
529 		if (!handler->enable_save)  in __plic_init()
533 			plic_toggle(handler, hwirq, 0);  in __plic_init()
542 	 * and register syscore operations only when context handler  in __plic_init()
545 	handler = this_cpu_ptr(&plic_handlers);  in __plic_init()
546 	if (handler->present && !plic_cpuhp_setup_done) {  in __plic_init()
560 		handler = per_cpu_ptr(&plic_handlers, cpu);  in __plic_init()
561 		kfree(handler->enable_save);  in __plic_init()