genirq: Provide locked setter for chip, handler, name
Some irq_set_type() callbacks need to change the chip and the handler when the trigger mode changes. We have already a (misnomed) setter function for the handler which can be called from irq_set_type(). Provide one which allows to set chip and name as well. Put the misnomed function under the COMPAT switch and provide a replacement. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -171,7 +171,36 @@ static inline int irq_has_action(unsigned int irq)
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return desc->action != NULL;
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}
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/* caller has locked the irq_desc and both params are valid */
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static inline void __irq_set_handler_locked(unsigned int irq,
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irq_flow_handler_t handler)
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{
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struct irq_desc *desc;
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desc = irq_to_desc(irq);
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desc->handle_irq = handler;
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}
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/* caller has locked the irq_desc and both params are valid */
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static inline void
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__irq_set_chip_handler_name_locked(unsigned int irq, struct irq_chip *chip,
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irq_flow_handler_t handler, const char *name)
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{
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struct irq_desc *desc;
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desc = irq_to_desc(irq);
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irq_desc_get_irq_data(desc)->chip = chip;
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desc->handle_irq = handler;
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desc->name = name;
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}
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#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
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static inline void __set_irq_handler_unlocked(int irq,
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irq_flow_handler_t handler)
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{
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__irq_set_handler_locked(irq, handler);
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}
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static inline int irq_balancing_disabled(unsigned int irq)
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{
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struct irq_desc *desc;
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@ -181,16 +210,6 @@ static inline int irq_balancing_disabled(unsigned int irq)
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}
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#endif
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/* caller has locked the irq_desc and both params are valid */
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static inline void __set_irq_handler_unlocked(int irq,
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irq_flow_handler_t handler)
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{
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struct irq_desc *desc;
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desc = irq_to_desc(irq);
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desc->handle_irq = handler;
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}
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static inline void
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irq_set_lockdep_class(unsigned int irq, struct lock_class_key *class)
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{
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