diff options
Diffstat (limited to 'kernel/irq/irqdomain.c')
| -rw-r--r-- | kernel/irq/irqdomain.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index d5828da3fd38..200ce832c585 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -20,16 +20,20 @@ static DEFINE_MUTEX(irq_domain_mutex); void irq_domain_add(struct irq_domain *domain) { struct irq_data *d; - int hwirq; + int hwirq, irq; /* * This assumes that the irq_domain owner has already allocated * the irq_descs. This block will be removed when support for dynamic * allocation of irq_descs is added to irq_domain. */ - for (hwirq = 0; hwirq < domain->nr_irq; hwirq++) { - d = irq_get_irq_data(irq_domain_to_irq(domain, hwirq)); - if (d || d->domain) { + irq_domain_for_each_irq(domain, hwirq, irq) { + d = irq_get_irq_data(irq); + if (!d) { + WARN(1, "error: assigning domain to non existant irq_desc"); + return; + } + if (d->domain) { /* things are broken; just report, don't clean up */ WARN(1, "error: irq_desc already assigned to a domain"); return; @@ -50,15 +54,15 @@ void irq_domain_add(struct irq_domain *domain) void irq_domain_del(struct irq_domain *domain) { struct irq_data *d; - int hwirq; + int hwirq, irq; mutex_lock(&irq_domain_mutex); list_del(&domain->list); mutex_unlock(&irq_domain_mutex); /* Clear the irq_domain assignments */ - for (hwirq = 0; hwirq < domain->nr_irq; hwirq++) { - d = irq_get_irq_data(irq_domain_to_irq(domain, hwirq)); + irq_domain_for_each_irq(domain, hwirq, irq) { + d = irq_get_irq_data(irq); d->domain = NULL; } } |