diff options
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/irqdomain.c | 15 | ||||
| -rw-r--r-- | kernel/irq/manage.c | 7 |
2 files changed, 15 insertions, 7 deletions
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 200ce832c585..1f9e26526b69 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -135,6 +135,9 @@ int irq_domain_simple_dt_translate(struct irq_domain *d, return -EINVAL; if (intsize < 1) return -EINVAL; + if (d->nr_irq && ((intspec[0] < d->hwirq_base) || + (intspec[0] >= d->hwirq_base + d->nr_irq))) + return -EINVAL; *out_hwirq = intspec[0]; *out_type = IRQ_TYPE_NONE; @@ -143,11 +146,6 @@ int irq_domain_simple_dt_translate(struct irq_domain *d, return 0; } -struct irq_domain_ops irq_domain_simple_ops = { - .dt_translate = irq_domain_simple_dt_translate, -}; -EXPORT_SYMBOL_GPL(irq_domain_simple_ops); - /** * irq_domain_create_simple() - Set up a 'simple' translation range */ @@ -182,3 +180,10 @@ void irq_domain_generate_simple(const struct of_device_id *match, } EXPORT_SYMBOL_GPL(irq_domain_generate_simple); #endif /* CONFIG_OF_IRQ */ + +struct irq_domain_ops irq_domain_simple_ops = { +#ifdef CONFIG_OF_IRQ + .dt_translate = irq_domain_simple_dt_translate, +#endif /* CONFIG_OF_IRQ */ +}; +EXPORT_SYMBOL_GPL(irq_domain_simple_ops); diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 0e2b179bc7b3..a9a9dbe49fea 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -623,8 +623,9 @@ static irqreturn_t irq_nested_primary_handler(int irq, void *dev_id) static int irq_wait_for_interrupt(struct irqaction *action) { + set_current_state(TASK_INTERRUPTIBLE); + while (!kthread_should_stop()) { - set_current_state(TASK_INTERRUPTIBLE); if (test_and_clear_bit(IRQTF_RUNTHREAD, &action->thread_flags)) { @@ -632,7 +633,9 @@ static int irq_wait_for_interrupt(struct irqaction *action) return 0; } schedule(); + set_current_state(TASK_INTERRUPTIBLE); } + __set_current_state(TASK_RUNNING); return -1; } @@ -1289,7 +1292,7 @@ EXPORT_SYMBOL(free_irq); * and to set up the interrupt handler in the right order. * * If you want to set up a threaded irq handler for your device - * then you need to supply @handler and @thread_fn. @handler ist + * then you need to supply @handler and @thread_fn. @handler is * still called in hard interrupt context and has to check * whether the interrupt originates from the device. If yes it * needs to disable the interrupt on the device and return |