diff options
Diffstat (limited to 'drivers/irqchip/irq-gic.c')
-rw-r--r-- | drivers/irqchip/irq-gic.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 1b1df4f..651d726 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -344,6 +344,8 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, writel_relaxed(val | bit, reg); gic_unlock_irqrestore(flags); + irq_data_update_effective_affinity(d, cpumask_of(cpu)); + return IRQ_SET_MASK_OK_DONE; } #endif @@ -361,6 +363,7 @@ 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; } @@ -401,16 +404,18 @@ 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); } -static struct irq_chip gic_chip = { +static const struct irq_chip gic_chip = { .irq_mask = gic_mask_irq, .irq_unmask = gic_unmask_irq, .irq_eoi = gic_eoi_irq, @@ -966,6 +971,7 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int irq, irq_domain_set_info(d, irq, hw, &gic->chip, d->host_data, handle_fasteoi_irq, NULL, NULL); irq_set_probe(irq); + irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(irq))); } return 0; } @@ -1027,8 +1033,11 @@ 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; } |