aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/platforms/powernv/opal-irqchip.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms/powernv/opal-irqchip.c')
-rw-r--r--arch/powerpc/platforms/powernv/opal-irqchip.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powernv/opal-irqchip.c b/arch/powerpc/platforms/powernv/opal-irqchip.c
index 841135f48981..e2e7d75f52f3 100644
--- a/arch/powerpc/platforms/powernv/opal-irqchip.c
+++ b/arch/powerpc/platforms/powernv/opal-irqchip.c
@@ -231,6 +231,7 @@ out:
of_node_put(opal_node);
return rc;
}
+machine_arch_initcall(powernv, opal_event_init);
/**
* opal_event_request(unsigned int opal_event_nr) - Request an event
@@ -244,6 +245,9 @@ out:
*/
int opal_event_request(unsigned int opal_event_nr)
{
+ if (WARN_ON_ONCE(!opal_event_irqchip.domain))
+ return NO_IRQ;
+
return irq_create_mapping(opal_event_irqchip.domain, opal_event_nr);
}
EXPORT_SYMBOL(opal_event_request);