diff options
| -rw-r--r-- | drivers/irqchip/irq-sifive-plic.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c index 60fd8f91762b..70058871d2fb 100644 --- a/drivers/irqchip/irq-sifive-plic.c +++ b/drivers/irqchip/irq-sifive-plic.c @@ -172,8 +172,13 @@ static void plic_irq_disable(struct irq_data *d) static void plic_irq_eoi(struct irq_data *d) { struct plic_handler *handler = this_cpu_ptr(&plic_handlers); + u32 __iomem *reg; + bool enabled; + + reg = handler->enable_base + (d->hwirq / 32) * sizeof(u32); + enabled = readl(reg) & BIT(d->hwirq % 32); - if (unlikely(irqd_irq_disabled(d))) { + if (unlikely(!enabled)) { plic_toggle(handler, d->hwirq, 1); writel(d->hwirq, handler->hart_base + CONTEXT_CLAIM); plic_toggle(handler, d->hwirq, 0); |