diff options
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-eznps.c | 4 | ||||
| -rw-r--r-- | drivers/irqchip/irq-gic-v3.c | 2 | ||||
| -rw-r--r-- | drivers/irqchip/irq-jcore-aic.c | 20 |
3 files changed, 22 insertions, 4 deletions
diff --git a/drivers/irqchip/irq-eznps.c b/drivers/irqchip/irq-eznps.c index efbf0e4304b7..ebc2b0b15f67 100644 --- a/drivers/irqchip/irq-eznps.c +++ b/drivers/irqchip/irq-eznps.c @@ -85,7 +85,7 @@ static void nps400_irq_eoi_global(struct irq_data *irqd) nps_ack_gic(); } -static void nps400_irq_eoi(struct irq_data *irqd) +static void nps400_irq_ack(struct irq_data *irqd) { unsigned int __maybe_unused irq = irqd_to_hwirq(irqd); @@ -103,7 +103,7 @@ static struct irq_chip nps400_irq_chip_percpu = { .name = "NPS400 IC", .irq_mask = nps400_irq_mask, .irq_unmask = nps400_irq_unmask, - .irq_eoi = nps400_irq_eoi, + .irq_ack = nps400_irq_ack, }; static int nps400_irq_map(struct irq_domain *d, unsigned int virq, diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index 9b81bd8b929c..19d642eae096 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -153,7 +153,7 @@ static void gic_enable_redist(bool enable) return; /* No PM support in this redistributor */ } - while (count--) { + while (--count) { val = readl_relaxed(rbase + GICR_WAKER); if (enable ^ (bool)(val & GICR_WAKER_ChildrenAsleep)) break; diff --git a/drivers/irqchip/irq-jcore-aic.c b/drivers/irqchip/irq-jcore-aic.c index 84b01dec277d..033bccb41455 100644 --- a/drivers/irqchip/irq-jcore-aic.c +++ b/drivers/irqchip/irq-jcore-aic.c @@ -25,12 +25,30 @@ static struct irq_chip jcore_aic; +/* + * The J-Core AIC1 and AIC2 are cpu-local interrupt controllers and do + * not distinguish or use distinct irq number ranges for per-cpu event + * interrupts (timer, IPI). Since information to determine whether a + * particular irq number should be treated as per-cpu is not available + * at mapping time, we use a wrapper handler function which chooses + * the right handler at runtime based on whether IRQF_PERCPU was used + * when requesting the irq. + */ + +static void handle_jcore_irq(struct irq_desc *desc) +{ + if (irqd_is_per_cpu(irq_desc_get_irq_data(desc))) + handle_percpu_irq(desc); + else + handle_simple_irq(desc); +} + static int jcore_aic_irqdomain_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hwirq) { struct irq_chip *aic = d->host_data; - irq_set_chip_and_handler(irq, aic, handle_simple_irq); + irq_set_chip_and_handler(irq, aic, handle_jcore_irq); return 0; } |