arm: dts: rk3288-android: add nand support

[firefly-linux-kernel-4.4.55.git] / kernel / irq / internals.h

diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index 05c2188271b86730323c9bce053adc2d16e8d5a3..fcab63c669059308d3cc27054742587b0627b23f 100644 (file)
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -199,6 +199,11 @@ static inline int irq_desc_get_node(struct irq_desc *desc)
        return irq_common_data_get_node(&desc->irq_common_data);
 }
 
+static inline int irq_desc_is_chained(struct irq_desc *desc)
+{
+       return (desc->action && desc->action == &chained_action);
+}
+
 #ifdef CONFIG_PM_SLEEP
 bool irq_pm_check_wakeup(struct irq_desc *desc);
 void irq_pm_install_action(struct irq_desc *desc, struct irqaction *action);