diff options
| -rw-r--r-- | drivers/irqchip/irq-gic.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 2ca62ef5ff36..20800b1c93d5 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -258,11 +258,35 @@ static int gic_suspend(void) return 0; } +static void gic_show_resume_irq(struct gic_chip_data *gic) +{ + unsigned int i; + u32 enabled; + u32 pending[32]; + void __iomem *base = gic_data_dist_base(gic); + + raw_spin_lock(&irq_controller_lock); + for (i = 0; i * 32 < gic->gic_irqs; i++) { + enabled = readl_relaxed(base + GIC_DIST_ENABLE_CLEAR + i * 4); + pending[i] = readl_relaxed(base + GIC_DIST_PENDING_SET + i * 4); + pending[i] &= enabled; + } + raw_spin_unlock(&irq_controller_lock); + + for (i = find_first_bit((unsigned long *)pending, gic->gic_irqs); + i < gic->gic_irqs; + i = find_next_bit((unsigned long *)pending, + gic->gic_irqs, i+1)) { + pr_warn("%s: %d triggered", __func__, i + gic->irq_offset); + } +} + static void gic_resume_one(struct gic_chip_data *gic) { unsigned int i; void __iomem *base = gic_data_dist_base(gic); + gic_show_resume_irq(gic); for (i = 0; i * 32 < gic->gic_irqs; i++) { /* disable all of them */ writel_relaxed(0xffffffff, |