Merge branch 'irq/urgent' into irq/core

[cascardo/linux.git] / kernel / irq / chip.c

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 18f2958..d8dfdc6 100644 (file)
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -829,6 +829,8 @@ __irq_do_set_handler(struct irq_desc *desc, irq_flow_handler_t handle,
        desc->name = name;
 
        if (handle != handle_bad_irq && is_chained) {
+               unsigned int type = irqd_get_trigger_type(&desc->irq_data);
+
                /*
                 * We're about to start this interrupt immediately,
                 * hence the need to set the trigger configuration.
@@ -837,8 +839,10 @@ __irq_do_set_handler(struct irq_desc *desc, irq_flow_handler_t handle,
                 * chained interrupt. Reset it immediately because we
                 * do know better.
                 */
-               __irq_set_trigger(desc, irqd_get_trigger_type(&desc->irq_data));
-               desc->handle_irq = handle;
+               if (type != IRQ_TYPE_NONE) {
+                       __irq_set_trigger(desc, type);
+                       desc->handle_irq = handle;
+               }
 
                irq_settings_set_noprobe(desc);
                irq_settings_set_norequest(desc);