diff options
Diffstat (limited to 'arch/c6x/kernel/irq.c')
| -rw-r--r-- | arch/c6x/kernel/irq.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/arch/c6x/kernel/irq.c b/arch/c6x/kernel/irq.c index c90fb5e82ad..247e0eb5e46 100644 --- a/arch/c6x/kernel/irq.c +++ b/arch/c6x/kernel/irq.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2011 Texas Instruments Incorporated + * Copyright (C) 2011-2012 Texas Instruments Incorporated * * This borrows heavily from powerpc version, which is: * @@ -35,9 +35,7 @@ static DEFINE_RAW_SPINLOCK(core_irq_lock); static void mask_core_irq(struct irq_data *data) { - unsigned int prio = data->irq; - - BUG_ON(prio < 4 || prio >= NR_PRIORITY_IRQS); + unsigned int prio = data->hwirq; raw_spin_lock(&core_irq_lock); and_creg(IER, ~(1 << prio)); @@ -46,7 +44,7 @@ static void mask_core_irq(struct irq_data *data) static void unmask_core_irq(struct irq_data *data) { - unsigned int prio = data->irq; + unsigned int prio = data->hwirq; raw_spin_lock(&core_irq_lock); or_creg(IER, 1 << prio); @@ -59,15 +57,15 @@ static struct irq_chip core_chip = { .irq_unmask = unmask_core_irq, }; +static int prio_to_virq[NR_PRIORITY_IRQS]; + asmlinkage void c6x_do_IRQ(unsigned int prio, struct pt_regs *regs) { struct pt_regs *old_regs = set_irq_regs(regs); irq_enter(); - BUG_ON(prio < 4 || prio >= NR_PRIORITY_IRQS); - - generic_handle_irq(prio); + generic_handle_irq(prio_to_virq[prio]); irq_exit(); @@ -82,6 +80,8 @@ static int core_domain_map(struct irq_domain *h, unsigned int virq, if (hw < 4 || hw >= NR_PRIORITY_IRQS) return -EINVAL; + prio_to_virq[hw] = virq; + irq_set_status_flags(virq, IRQ_LEVEL); irq_set_chip_and_handler(virq, &core_chip, handle_level_irq); return 0; @@ -102,9 +102,8 @@ void __init init_IRQ(void) np = of_find_compatible_node(NULL, NULL, "ti,c64x+core-pic"); if (np != NULL) { /* create the core host */ - core_domain = irq_domain_add_legacy(np, NR_PRIORITY_IRQS, - 0, 0, &core_domain_ops, - NULL); + core_domain = irq_domain_add_linear(np, NR_PRIORITY_IRQS, + &core_domain_ops, NULL); if (core_domain) irq_set_default_host(core_domain); of_node_put(np); |