diff options
Diffstat (limited to 'kernel/irq/irqdesc.c')
| -rw-r--r-- | kernel/irq/irqdesc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index e810eb9906ea..20a54fa7cd30 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -968,3 +968,17 @@ unsigned int kstat_irqs_usr(unsigned int irq) rcu_read_unlock(); return sum; } + +#ifdef CONFIG_LOCKDEP +void __irq_set_lockdep_class(unsigned int irq, struct lock_class_key *lock_class, + struct lock_class_key *request_class) +{ + struct irq_desc *desc = irq_to_desc(irq); + + if (desc) { + lockdep_set_class(&desc->lock, lock_class); + lockdep_set_class(&desc->request_mutex, request_class); + } +} +EXPORT_SYMBOL_GPL(__irq_set_lockdep_class); +#endif |