diff options
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-mips-gic.c | 60 |
1 files changed, 18 insertions, 42 deletions
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index eb448a1d57b4..eb7fbe159963 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -700,16 +700,12 @@ static int gic_irq_domain_xlate(struct irq_domain *d, struct device_node *ctrlr, return 0; } -static int gic_irq_domain_alloc(struct irq_domain *d, unsigned int virq, - unsigned int nr_irqs, void *arg) +static int gic_irq_domain_map(struct irq_domain *d, unsigned int virq, + irq_hw_number_t hwirq) { - struct irq_fwspec *fwspec = arg; - irq_hw_number_t hwirq; int err; - if (fwspec->param[0] == GIC_SHARED) { - hwirq = GIC_SHARED_TO_HWIRQ(fwspec->param[1]); - + if (hwirq >= GIC_SHARED_HWIRQ_BASE) { /* verify that shared irqs don't conflict with an IPI irq */ if (test_bit(GIC_HWIRQ_TO_SHARED(hwirq), ipi_resrv)) return -EBUSY; @@ -723,8 +719,6 @@ static int gic_irq_domain_alloc(struct irq_domain *d, unsigned int virq, return gic_shared_irq_domain_map(d, virq, hwirq, 0); } - hwirq = GIC_LOCAL_TO_HWIRQ(fwspec->param[1]); - switch (GIC_HWIRQ_TO_LOCAL(hwirq)) { case GIC_LOCAL_INT_TIMER: case GIC_LOCAL_INT_PERFCTR: @@ -758,6 +752,20 @@ static int gic_irq_domain_alloc(struct irq_domain *d, unsigned int virq, return gic_local_irq_domain_map(d, virq, hwirq); } +static int gic_irq_domain_alloc(struct irq_domain *d, unsigned int virq, + unsigned int nr_irqs, void *arg) +{ + struct irq_fwspec *fwspec = arg; + irq_hw_number_t hwirq; + + if (fwspec->param[0] == GIC_SHARED) + hwirq = GIC_SHARED_TO_HWIRQ(fwspec->param[1]); + else + hwirq = GIC_LOCAL_TO_HWIRQ(fwspec->param[1]); + + return gic_irq_domain_map(d, virq, hwirq); +} + void gic_irq_domain_free(struct irq_domain *d, unsigned int virq, unsigned int nr_irqs) { @@ -767,6 +775,7 @@ static const struct irq_domain_ops gic_irq_domain_ops = { .xlate = gic_irq_domain_xlate, .alloc = gic_irq_domain_alloc, .free = gic_irq_domain_free, + .map = gic_irq_domain_map, }; static int gic_ipi_domain_xlate(struct irq_domain *d, struct device_node *ctrlr, @@ -872,38 +881,6 @@ static struct irq_domain_ops gic_ipi_domain_ops = { .match = gic_ipi_domain_match, }; -static void __init gic_map_single_int(struct device_node *node, - unsigned int irq) -{ - unsigned int linux_irq; - struct irq_fwspec local_int_fwspec = { - .fwnode = &node->fwnode, - .param_count = 3, - .param = { - [0] = GIC_LOCAL, - [1] = irq, - [2] = IRQ_TYPE_NONE, - }, - }; - - if (!gic_local_irq_is_routable(irq)) - return; - - linux_irq = irq_create_fwspec_mapping(&local_int_fwspec); - WARN_ON(!linux_irq); -} - -static void __init gic_map_interrupts(struct device_node *node) -{ - gic_map_single_int(node, GIC_LOCAL_INT_WD); - gic_map_single_int(node, GIC_LOCAL_INT_COMPARE); - gic_map_single_int(node, GIC_LOCAL_INT_TIMER); - gic_map_single_int(node, GIC_LOCAL_INT_PERFCTR); - gic_map_single_int(node, GIC_LOCAL_INT_SWINT0); - gic_map_single_int(node, GIC_LOCAL_INT_SWINT1); - gic_map_single_int(node, GIC_LOCAL_INT_FDC); -} - static void __init __gic_init(unsigned long gic_base_addr, unsigned long gic_addrspace_size, unsigned int cpu_vec, unsigned int irqbase, @@ -997,7 +974,6 @@ static void __init __gic_init(unsigned long gic_base_addr, bitmap_copy(ipi_available, ipi_resrv, GIC_MAX_INTRS); gic_basic_init(); - gic_map_interrupts(node); } void __init gic_init(unsigned long gic_base_addr, |