diff options
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-mips-cpu.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/irqchip/irq-mips-cpu.c b/drivers/irqchip/irq-mips-cpu.c index e6b413669e57..338de924b269 100644 --- a/drivers/irqchip/irq-mips-cpu.c +++ b/drivers/irqchip/irq-mips-cpu.c @@ -39,15 +39,17 @@ #include <asm/mipsmtregs.h> #include <asm/setup.h> +static struct irq_domain *irq_domain; + static inline void unmask_mips_irq(struct irq_data *d) { - set_c0_status(IE_SW0 << (d->irq - MIPS_CPU_IRQ_BASE)); + set_c0_status(IE_SW0 << d->hwirq); irq_enable_hazard(); } static inline void mask_mips_irq(struct irq_data *d) { - clear_c0_status(IE_SW0 << (d->irq - MIPS_CPU_IRQ_BASE)); + clear_c0_status(IE_SW0 << d->hwirq); irq_disable_hazard(); } @@ -70,7 +72,7 @@ static unsigned int mips_mt_cpu_irq_startup(struct irq_data *d) { unsigned int vpflags = dvpe(); - clear_c0_cause(C_SW0 << (d->irq - MIPS_CPU_IRQ_BASE)); + clear_c0_cause(C_SW0 << d->hwirq); evpe(vpflags); unmask_mips_irq(d); return 0; @@ -83,7 +85,7 @@ static unsigned int mips_mt_cpu_irq_startup(struct irq_data *d) static void mips_mt_cpu_irq_ack(struct irq_data *d) { unsigned int vpflags = dvpe(); - clear_c0_cause(C_SW0 << (d->irq - MIPS_CPU_IRQ_BASE)); + clear_c0_cause(C_SW0 << d->hwirq); evpe(vpflags); mask_mips_irq(d); } @@ -103,6 +105,7 @@ static struct irq_chip mips_mt_cpu_irq_controller = { asmlinkage void __weak plat_irq_dispatch(void) { unsigned long pending = read_c0_cause() & read_c0_status() & ST0_IM; + unsigned int virq; int irq; if (!pending) { @@ -113,7 +116,8 @@ asmlinkage void __weak plat_irq_dispatch(void) pending >>= CAUSEB_IP; while (pending) { irq = fls(pending) - 1; - do_IRQ(MIPS_CPU_IRQ_BASE + irq); + virq = irq_linear_revmap(irq_domain, irq); + do_IRQ(virq); pending &= ~BIT(irq); } } @@ -145,15 +149,14 @@ static const struct irq_domain_ops mips_cpu_intc_irq_domain_ops = { static void __init __mips_cpu_irq_init(struct device_node *of_node) { - struct irq_domain *domain; - /* Mask interrupts. */ clear_c0_status(ST0_IM); clear_c0_cause(CAUSEF_IP); - domain = irq_domain_add_legacy(of_node, 8, MIPS_CPU_IRQ_BASE, 0, - &mips_cpu_intc_irq_domain_ops, NULL); - if (!domain) + irq_domain = irq_domain_add_legacy(of_node, 8, MIPS_CPU_IRQ_BASE, 0, + &mips_cpu_intc_irq_domain_ops, + NULL); + if (!irq_domain) panic("Failed to add irqdomain for MIPS CPU"); } |