diff options
Diffstat (limited to 'drivers/irqchip/irq-mips-gic.c')
| -rw-r--r-- | drivers/irqchip/irq-mips-gic.c | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index 54c7092cc61d..d02b05a067d9 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -381,24 +381,35 @@ static void gic_unmask_local_irq_all_vpes(struct irq_data *d) spin_unlock_irqrestore(&gic_lock, flags); } -static void gic_all_vpes_irq_cpu_online(struct irq_data *d) +static void gic_all_vpes_irq_cpu_online(void) { - struct gic_all_vpes_chip_data *cd; - unsigned int intr; + static const unsigned int local_intrs[] = { + GIC_LOCAL_INT_TIMER, + GIC_LOCAL_INT_PERFCTR, + GIC_LOCAL_INT_FDC, + }; + unsigned long flags; + int i; - intr = GIC_HWIRQ_TO_LOCAL(d->hwirq); - cd = irq_data_get_irq_chip_data(d); + spin_lock_irqsave(&gic_lock, flags); - write_gic_vl_map(mips_gic_vx_map_reg(intr), cd->map); - if (cd->mask) - write_gic_vl_smask(BIT(intr)); + for (i = 0; i < ARRAY_SIZE(local_intrs); i++) { + unsigned int intr = local_intrs[i]; + struct gic_all_vpes_chip_data *cd; + + cd = &gic_all_vpes_chip_data[intr]; + write_gic_vl_map(mips_gic_vx_map_reg(intr), cd->map); + if (cd->mask) + write_gic_vl_smask(BIT(intr)); + } + + spin_unlock_irqrestore(&gic_lock, flags); } static struct irq_chip gic_all_vpes_local_irq_controller = { .name = "MIPS GIC Local", .irq_mask = gic_mask_local_irq_all_vpes, .irq_unmask = gic_unmask_local_irq_all_vpes, - .irq_cpu_online = gic_all_vpes_irq_cpu_online, }; static void __gic_irq_dispatch(void) @@ -477,6 +488,10 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int virq, intr = GIC_HWIRQ_TO_LOCAL(hwirq); map = GIC_MAP_PIN_MAP_TO_PIN | gic_cpu_pin; + /* + * If adding support for more per-cpu interrupts, keep the the + * array in gic_all_vpes_irq_cpu_online() in sync. + */ switch (intr) { case GIC_LOCAL_INT_TIMER: /* CONFIG_MIPS_CMP workaround (see __gic_init) */ @@ -663,8 +678,8 @@ static int gic_cpu_startup(unsigned int cpu) /* Clear all local IRQ masks (ie. disable all local interrupts) */ write_gic_vl_rmask(~0); - /* Invoke irq_cpu_online callbacks to enable desired interrupts */ - irq_cpu_online(); + /* Enable desired interrupts */ + gic_all_vpes_irq_cpu_online(); return 0; } |