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path: root/drivers/irqchip/irq-bcm2836.c
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Diffstat (limited to 'drivers/irqchip/irq-bcm2836.c')
-rw-r--r--drivers/irqchip/irq-bcm2836.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/irqchip/irq-bcm2836.c b/drivers/irqchip/irq-bcm2836.c
index b6e950d4782a..72ff1d5c5de6 100644
--- a/drivers/irqchip/irq-bcm2836.c
+++ b/drivers/irqchip/irq-bcm2836.c
@@ -195,7 +195,7 @@ static void bcm2836_arm_irqchip_send_ipi(const struct cpumask *mask,
* Ensure that stores to normal memory are visible to the
* other CPUs before issuing the IPI.
*/
- dsb();
+ smp_wmb();
for_each_cpu(cpu, mask) {
writel(1 << ipi, mailbox0_base + 16 * cpu);
@@ -223,6 +223,7 @@ static struct notifier_block bcm2836_arm_irqchip_cpu_notifier = {
.priority = 100,
};
+#ifdef CONFIG_ARM
int __init bcm2836_smp_boot_secondary(unsigned int cpu,
struct task_struct *idle)
{
@@ -238,7 +239,7 @@ int __init bcm2836_smp_boot_secondary(unsigned int cpu,
static const struct smp_operations bcm2836_smp_ops __initconst = {
.smp_boot_secondary = bcm2836_smp_boot_secondary,
};
-
+#endif
#endif
static const struct irq_domain_ops bcm2836_arm_irqchip_intc_ops = {
@@ -252,12 +253,15 @@ bcm2836_arm_irqchip_smp_init(void)
/* Unmask IPIs to the boot CPU. */
bcm2836_arm_irqchip_cpu_notify(&bcm2836_arm_irqchip_cpu_notifier,
CPU_STARTING,
- (void *)smp_processor_id());
+ (void *)(uintptr_t)smp_processor_id());
register_cpu_notifier(&bcm2836_arm_irqchip_cpu_notifier);
set_smp_cross_call(bcm2836_arm_irqchip_send_ipi);
+
+#ifdef CONFIG_ARM
smp_set_ops(&bcm2836_smp_ops);
#endif
+#endif
}
/*