irq_set_lockdep_class() is used from modules and requires irq_to_desc() to
be exported. Move it into the core code which lifts another requirement for
the export.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
include/linux/irqdesc.h | 10 ++++------
kernel/irq/irqdesc.c | 14 ++++++++++++++
2 files changed, 18 insertions(+), 6 deletions(-)
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -240,16 +240,14 @@ static inline bool irq_is_percpu_devid(u
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
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -968,3 +968,17 @@ unsigned int kstat_irqs_usr(unsigned int
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
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