diff options
| -rw-r--r-- | drivers/irqchip/irq-bcm2836.c | 34 | ||||
| -rw-r--r-- | include/linux/cpuhotplug.h | 1 |
2 files changed, 14 insertions, 21 deletions
diff --git a/drivers/irqchip/irq-bcm2836.c b/drivers/irqchip/irq-bcm2836.c index 72ff1d5c5de6..f2575cb2b013 100644 --- a/drivers/irqchip/irq-bcm2836.c +++ b/drivers/irqchip/irq-bcm2836.c @@ -202,26 +202,19 @@ static void bcm2836_arm_irqchip_send_ipi(const struct cpumask *mask, } } -/* Unmasks the IPI on the CPU when it's online. */ -static int bcm2836_arm_irqchip_cpu_notify(struct notifier_block *nfb, - unsigned long action, void *hcpu) +static int bcm2836_cpu_starting(unsigned int cpu) { - unsigned int cpu = (unsigned long)hcpu; - unsigned int int_reg = LOCAL_MAILBOX_INT_CONTROL0; - unsigned int mailbox = 0; - - if (action == CPU_STARTING || action == CPU_STARTING_FROZEN) - bcm2836_arm_irqchip_unmask_per_cpu_irq(int_reg, mailbox, cpu); - else if (action == CPU_DYING) - bcm2836_arm_irqchip_mask_per_cpu_irq(int_reg, mailbox, cpu); - - return NOTIFY_OK; + bcm2836_arm_irqchip_unmask_per_cpu_irq(LOCAL_MAILBOX_INT_CONTROL0, 0, + cpu); + return 0; } -static struct notifier_block bcm2836_arm_irqchip_cpu_notifier = { - .notifier_call = bcm2836_arm_irqchip_cpu_notify, - .priority = 100, -}; +static int bcm2836_cpu_dying(unsigned int cpu) +{ + bcm2836_arm_irqchip_mask_per_cpu_irq(LOCAL_MAILBOX_INT_CONTROL0, 0, + cpu); + return 0; +} #ifdef CONFIG_ARM int __init bcm2836_smp_boot_secondary(unsigned int cpu, @@ -251,10 +244,9 @@ bcm2836_arm_irqchip_smp_init(void) { #ifdef CONFIG_SMP /* Unmask IPIs to the boot CPU. */ - bcm2836_arm_irqchip_cpu_notify(&bcm2836_arm_irqchip_cpu_notifier, - CPU_STARTING, - (void *)(uintptr_t)smp_processor_id()); - register_cpu_notifier(&bcm2836_arm_irqchip_cpu_notifier); + cpuhp_setup_state(CPUHP_AP_IRQ_BCM2836_STARTING, + "AP_IRQ_BCM2836_STARTING", bcm2836_cpu_starting, + bcm2836_cpu_dying); set_smp_cross_call(bcm2836_arm_irqchip_send_ipi); diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index 3a08ab962346..420cfcf78908 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -14,6 +14,7 @@ enum cpuhp_state { CPUHP_AP_IRQ_HIP04_STARTING, CPUHP_AP_IRQ_ARMADA_XP_STARTING, CPUHP_AP_IRQ_ARMADA_CASC_STARTING, + CPUHP_AP_IRQ_BCM2836_STARTING, CPUHP_AP_NOTIFY_STARTING, CPUHP_AP_ONLINE, CPUHP_TEARDOWN_CPU, |