diff options
Diffstat (limited to 'drivers/irqchip/irq-bcm7038-l1.c')
| -rw-r--r-- | drivers/irqchip/irq-bcm7038-l1.c | 47 |
1 files changed, 11 insertions, 36 deletions
diff --git a/drivers/irqchip/irq-bcm7038-l1.c b/drivers/irqchip/irq-bcm7038-l1.c index a035c385ca7a..a62b96237b82 100644 --- a/drivers/irqchip/irq-bcm7038-l1.c +++ b/drivers/irqchip/irq-bcm7038-l1.c @@ -28,9 +28,6 @@ #include <linux/irqchip.h> #include <linux/irqchip/chained_irq.h> #include <linux/syscore_ops.h> -#ifdef CONFIG_ARM -#include <asm/smp_plat.h> -#endif #define IRQS_PER_WORD 32 #define REG_BYTES_PER_IRQ_WORD (sizeof(u32) * 4) @@ -127,7 +124,7 @@ static void bcm7038_l1_irq_handle(struct irq_desc *desc) struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int idx; -#ifdef CONFIG_SMP +#if defined(CONFIG_SMP) && defined(CONFIG_MIPS) cpu = intc->cpus[cpu_logical_map(smp_processor_id())]; #else cpu = intc->cpus[0]; @@ -194,6 +191,7 @@ static void bcm7038_l1_mask(struct irq_data *d) raw_spin_unlock_irqrestore(&intc->lock, flags); } +#if defined(CONFIG_MIPS) && defined(CONFIG_SMP) static int bcm7038_l1_set_affinity(struct irq_data *d, const struct cpumask *dest, bool force) @@ -220,32 +218,6 @@ static int bcm7038_l1_set_affinity(struct irq_data *d, return 0; } - -#ifdef CONFIG_SMP -static void bcm7038_l1_cpu_offline(struct irq_data *d) -{ - struct cpumask *mask = irq_data_get_affinity_mask(d); - int cpu = smp_processor_id(); - cpumask_t new_affinity; - - /* This CPU was not on the affinity mask */ - if (!cpumask_test_cpu(cpu, mask)) - return; - - if (cpumask_weight(mask) > 1) { - /* - * Multiple CPU affinity, remove this CPU from the affinity - * mask - */ - cpumask_copy(&new_affinity, mask); - cpumask_clear_cpu(cpu, &new_affinity); - } else { - /* Only CPU, put on the lowest online CPU */ - cpumask_clear(&new_affinity); - cpumask_set_cpu(cpumask_first(cpu_online_mask), &new_affinity); - } - irq_set_affinity_locked(d, &new_affinity, false); -} #endif static int __init bcm7038_l1_init_one(struct device_node *dn, @@ -328,7 +300,7 @@ static int bcm7038_l1_suspend(void) u32 val; /* Wakeup interrupt should only come from the boot cpu */ -#ifdef CONFIG_SMP +#if defined(CONFIG_SMP) && defined(CONFIG_MIPS) boot_cpu = cpu_logical_map(0); #else boot_cpu = 0; @@ -352,7 +324,7 @@ static void bcm7038_l1_resume(void) struct bcm7038_l1_chip *intc; int boot_cpu, word; -#ifdef CONFIG_SMP +#if defined(CONFIG_SMP) && defined(CONFIG_MIPS) boot_cpu = cpu_logical_map(0); #else boot_cpu = 0; @@ -395,9 +367,8 @@ static struct irq_chip bcm7038_l1_irq_chip = { .name = "bcm7038-l1", .irq_mask = bcm7038_l1_mask, .irq_unmask = bcm7038_l1_unmask, +#if defined(CONFIG_SMP) && defined(CONFIG_MIPS) .irq_set_affinity = bcm7038_l1_set_affinity, -#ifdef CONFIG_SMP - .irq_cpu_offline = bcm7038_l1_cpu_offline, #endif #ifdef CONFIG_PM_SLEEP .irq_set_wake = bcm7038_l1_set_wake, @@ -416,7 +387,7 @@ static int bcm7038_l1_map(struct irq_domain *d, unsigned int virq, irq_set_chip_and_handler(virq, &bcm7038_l1_irq_chip, handle_level_irq); irq_set_chip_data(virq, d->host_data); - irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq))); + irqd_set_single_target(irq_get_irq_data(virq)); return 0; } @@ -484,4 +455,8 @@ out_free: return ret; } -IRQCHIP_DECLARE(bcm7038_l1, "brcm,bcm7038-l1-intc", bcm7038_l1_of_init); +IRQCHIP_PLATFORM_DRIVER_BEGIN(bcm7038_l1) +IRQCHIP_MATCH("brcm,bcm7038-l1-intc", bcm7038_l1_of_init) +IRQCHIP_PLATFORM_DRIVER_END(bcm7038_l1) +MODULE_DESCRIPTION("Broadcom STB 7038-style L1/L2 interrupt controller"); +MODULE_LICENSE("GPL v2"); |