diff options
Diffstat (limited to 'kernel/irq/chip.c')
| -rw-r--r-- | kernel/irq/chip.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index b4c1bc7c9ca2..26ba5654d9d5 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -820,6 +820,21 @@ __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. + * But the .set_type callback may have overridden the + * flow handler, ignoring that we're dealing with a + * chained interrupt. Reset it immediately because we + * do know better. + */ + if (type != IRQ_TYPE_NONE) { + __irq_set_trigger(desc, type); + desc->handle_irq = handle; + } + irq_settings_set_noprobe(desc); irq_settings_set_norequest(desc); irq_settings_set_nothread(desc); |