diff options
Diffstat (limited to 'arch/arc/kernel/intc-compact.c')
| -rw-r--r-- | arch/arc/kernel/intc-compact.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/arc/kernel/intc-compact.c b/arch/arc/kernel/intc-compact.c index 224d1c3aa9c4..c5cceca36118 100644 --- a/arch/arc/kernel/intc-compact.c +++ b/arch/arc/kernel/intc-compact.c @@ -14,6 +14,8 @@ #include <linux/irqchip.h> #include <asm/irq.h> +#define TIMER0_IRQ 3 /* Fixed by ISA */ + /* * Early Hardware specific Interrupt setup * -Platform independent, needed for each CPU (not foldable into init_IRQ) @@ -79,8 +81,9 @@ static struct irq_chip onchip_intc = { static int arc_intc_domain_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) { - switch (irq) { + switch (hw) { case TIMER0_IRQ: + irq_set_percpu_devid(irq); irq_set_chip_and_handler(irq, &onchip_intc, handle_percpu_irq); break; default: @@ -94,21 +97,23 @@ static const struct irq_domain_ops arc_intc_domain_ops = { .map = arc_intc_domain_map, }; -static struct irq_domain *root_domain; - static int __init init_onchip_IRQ(struct device_node *intc, struct device_node *parent) { + struct irq_domain *root_domain; + if (parent) panic("DeviceTree incore intc not a root irq controller\n"); - root_domain = irq_domain_add_legacy(intc, NR_CPU_IRQS, 0, 0, + root_domain = irq_domain_add_linear(intc, NR_CPU_IRQS, &arc_intc_domain_ops, NULL); - if (!root_domain) panic("root irq domain not avail\n"); - /* with this we don't need to export root_domain */ + /* + * Needed for primary domain lookup to succeed + * This is a primary irqchip, and can never have a parent + */ irq_set_default_host(root_domain); return 0; |