diff options
| -rw-r--r-- | drivers/irqchip/irq-sun4i.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/irqchip/irq-sun4i.c b/drivers/irqchip/irq-sun4i.c index 60a28c69c65b..2029cc5e71c9 100644 --- a/drivers/irqchip/irq-sun4i.c +++ b/drivers/irqchip/irq-sun4i.c @@ -76,16 +76,29 @@ static void sun4i_irq_unmask(struct irq_data *irqd) static struct irq_chip sun4i_irq_chip = { .name = "sun4i_irq", - .irq_ack = sun4i_irq_ack, .irq_mask = sun4i_irq_mask, .irq_unmask = sun4i_irq_unmask, }; +/* IRQ 0 / the ENMI needs a late eoi call */ +static struct irq_chip sun4i_irq_chip_enmi = { + .name = "sun4i_irq", + .irq_eoi = sun4i_irq_ack, + .irq_mask = sun4i_irq_mask, + .irq_unmask = sun4i_irq_unmask, + .flags = IRQCHIP_EOI_THREADED | IRQCHIP_EOI_IF_HANDLED, +}; + static int sun4i_irq_map(struct irq_domain *d, unsigned int virq, irq_hw_number_t hw) { - irq_set_chip_and_handler(virq, &sun4i_irq_chip, - handle_level_irq); + if (hw == 0) + irq_set_chip_and_handler(virq, &sun4i_irq_chip_enmi, + handle_fasteoi_irq); + else + irq_set_chip_and_handler(virq, &sun4i_irq_chip, + handle_level_irq); + set_irq_flags(virq, IRQF_VALID | IRQF_PROBE); return 0; |