diff options
| -rw-r--r-- | include/linux/irqdesc.h | 10 | ||||
| -rw-r--r-- | kernel/irq/irqdesc.c | 14 |
2 files changed, 18 insertions, 6 deletions
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index 308d7db8991f..4a1d016716f4 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -240,16 +240,14 @@ static inline bool irq_is_percpu_devid(unsigned int irq) return irq_check_status_bit(irq, IRQ_PER_CPU_DEVID); } +void __irq_set_lockdep_class(unsigned int irq, struct lock_class_key *lock_class, + struct lock_class_key *request_class); static inline 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); - } + if (IS_ENABLED(CONFIG_LOCKDEP)) + __irq_set_lockdep_class(irq, lock_class, request_class); } #endif 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 |