genirq: Implement irq_set_handler_locked()/irq_set_chip_handler_name_locked() (bbc9d21f) · Commits · 戴 / test

include/linux/irqdesc.h

+41 −0

Original line number	Diff line number	Diff line
		@@ -190,6 +190,47 @@ __irq_set_chip_handler_name_locked(unsigned int irq, struct irq_chip *chip,
		desc->name = name;
		}

		/**
		* irq_set_handler_locked - Set irq handler from a locked region
		* @data: Pointer to the irq_data structure which identifies the irq
		* @handler: Flow control handler function for this interrupt
		*
		* Sets the handler in the irq descriptor associated to @data.
		*
		* Must be called with irq_desc locked and valid parameters. Typical
		* call site is the irq_set_type() callback.
		*/
		static inline void irq_set_handler_locked(struct irq_data *data,
		irq_flow_handler_t handler)
		{
		struct irq_desc *desc = irq_data_to_desc(data);

		desc->handle_irq = handler;
		}

		/**
		* irq_set_chip_handler_name_locked - Set chip, handler and name from a locked region
		* @data: Pointer to the irq_data structure for which the chip is set
		* @chip: Pointer to the new irq chip
		* @handler: Flow control handler function for this interrupt
		* @name: Name of the interrupt
		*
		* Replace the irq chip at the proper hierarchy level in @data and
		* sets the handler and name in the associated irq descriptor.
		*
		* Must be called with irq_desc locked and valid parameters.
		*/
		static inline void
		irq_set_chip_handler_name_locked(struct irq_data data, struct irq_chip chip,
		irq_flow_handler_t handler, const char *name)
		{
		struct irq_desc *desc = irq_data_to_desc(data);

		desc->handle_irq = handler;
		desc->name = name;
		data->chip = chip;
		}

		static inline int irq_balancing_disabled(unsigned int irq)
		{
		struct irq_desc *desc;