diff options
Diffstat (limited to 'drivers/irqchip/irq-gic.c')
| -rw-r--r-- | drivers/irqchip/irq-gic.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 1b1df4f770bd..d3e7c43718b8 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -361,6 +361,7 @@ static void __exception_irq_entry gic_handle_irq(struct pt_regs *regs) if (likely(irqnr > 15 && irqnr < 1020)) { if (static_key_true(&supports_deactivate)) writel_relaxed(irqstat, cpu_base + GIC_CPU_EOI); + isb(); handle_domain_irq(gic->domain, irqnr, regs); continue; } @@ -401,10 +402,12 @@ static void gic_handle_cascade_irq(struct irq_desc *desc) goto out; cascade_irq = irq_find_mapping(chip_data->domain, gic_irq); - if (unlikely(gic_irq < 32 || gic_irq > 1020)) + if (unlikely(gic_irq < 32 || gic_irq > 1020)) { handle_bad_irq(desc); - else + } else { + isb(); generic_handle_irq(cascade_irq); + } out: chained_irq_exit(chip, desc); @@ -1027,8 +1030,11 @@ static int gic_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, if (ret) return ret; - for (i = 0; i < nr_irqs; i++) - gic_irq_domain_map(domain, virq + i, hwirq + i); + for (i = 0; i < nr_irqs; i++) { + ret = gic_irq_domain_map(domain, virq + i, hwirq + i); + if (ret) + return ret; + } return 0; } |