diff options
Diffstat (limited to 'kernel/irq/manage.c')
| -rw-r--r-- | kernel/irq/manage.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 841187239adc..cc1cc641d653 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -144,13 +144,11 @@ int irq_can_set_affinity(unsigned int irq) */ void irq_set_thread_affinity(struct irq_desc *desc) { - struct irqaction *action = desc->action; + struct irqaction *action; - while (action) { + for_each_action_of_desc(desc, action) if (action->thread) set_bit(IRQTF_AFFINITY, &action->thread_flags); - action = action->next; - } } #ifdef CONFIG_GENERIC_PENDING_IRQ @@ -994,7 +992,7 @@ void irq_wake_thread(unsigned int irq, void *dev_id) return; raw_spin_lock_irqsave(&desc->lock, flags); - for (action = desc->action; action; action = action->next) { + for_each_action_of_desc(desc, action) { if (action->dev_id == dev_id) { if (action->thread) __irq_wake_thread(desc, action); @@ -1324,8 +1322,8 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) if (nmsk != omsk) /* hope the handler works with current trigger mode */ - pr_warning("irq %d uses trigger mode %u; requested %u\n", - irq, nmsk, omsk); + pr_warn("irq %d uses trigger mode %u; requested %u\n", + irq, nmsk, omsk); } *old_ptr = new; @@ -1609,6 +1607,9 @@ int request_threaded_irq(unsigned int irq, irq_handler_t handler, struct irq_desc *desc; int retval; + if (irq == IRQ_NOTCONNECTED) + return -ENOTCONN; + /* * Sanity-check: shared interrupts must pass in a real dev-ID, * otherwise we'll have trouble later trying to figure out @@ -1699,9 +1700,13 @@ EXPORT_SYMBOL(request_threaded_irq); int request_any_context_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, const char *name, void *dev_id) { - struct irq_desc *desc = irq_to_desc(irq); + struct irq_desc *desc; int ret; + if (irq == IRQ_NOTCONNECTED) + return -ENOTCONN; + + desc = irq_to_desc(irq); if (!desc) return -EINVAL; |