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genirq: Move irq_set_lockdep_class() to core
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@linutronix.de> Link: https://lore.kernel.org/r/20201210194042.860029489@linutronix.de
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@ -240,16 +240,14 @@ static inline bool irq_is_percpu_devid(unsigned int irq)
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return irq_check_status_bit(irq, IRQ_PER_CPU_DEVID);
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}
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void __irq_set_lockdep_class(unsigned int irq, struct lock_class_key *lock_class,
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struct lock_class_key *request_class);
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static inline void
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irq_set_lockdep_class(unsigned int irq, struct lock_class_key *lock_class,
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struct lock_class_key *request_class)
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{
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struct irq_desc *desc = irq_to_desc(irq);
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if (desc) {
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lockdep_set_class(&desc->lock, lock_class);
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lockdep_set_class(&desc->request_mutex, request_class);
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}
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if (IS_ENABLED(CONFIG_LOCKDEP))
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__irq_set_lockdep_class(irq, lock_class, request_class);
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}
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#endif
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@ -968,3 +968,17 @@ unsigned int kstat_irqs_usr(unsigned int irq)
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rcu_read_unlock();
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return sum;
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}
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#ifdef CONFIG_LOCKDEP
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void __irq_set_lockdep_class(unsigned int irq, struct lock_class_key *lock_class,
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struct lock_class_key *request_class)
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{
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struct irq_desc *desc = irq_to_desc(irq);
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if (desc) {
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lockdep_set_class(&desc->lock, lock_class);
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lockdep_set_class(&desc->request_mutex, request_class);
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}
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}
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EXPORT_SYMBOL_GPL(__irq_set_lockdep_class);
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#endif
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