diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/irqdesc.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/irqdesc.h | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/ANDROID_3.4.5/include/linux/irqdesc.h b/ANDROID_3.4.5/include/linux/irqdesc.h deleted file mode 100644 index f1e25270..00000000 --- a/ANDROID_3.4.5/include/linux/irqdesc.h +++ /dev/null @@ -1,178 +0,0 @@ -#ifndef _LINUX_IRQDESC_H -#define _LINUX_IRQDESC_H - -/* - * Core internal functions to deal with irq descriptors - * - * This include will move to kernel/irq once we cleaned up the tree. - * For now it's included from <linux/irq.h> - */ - -struct irq_affinity_notify; -struct proc_dir_entry; -struct timer_rand_state; -struct module; -/** - * struct irq_desc - interrupt descriptor - * @irq_data: per irq and chip data passed down to chip functions - * @timer_rand_state: pointer to timer rand state struct - * @kstat_irqs: irq stats per cpu - * @handle_irq: highlevel irq-events handler - * @preflow_handler: handler called before the flow handler (currently used by sparc) - * @action: the irq action chain - * @status: status information - * @core_internal_state__do_not_mess_with_it: core internal status information - * @depth: disable-depth, for nested irq_disable() calls - * @wake_depth: enable depth, for multiple irq_set_irq_wake() callers - * @irq_count: stats field to detect stalled irqs - * @last_unhandled: aging timer for unhandled count - * @irqs_unhandled: stats field for spurious unhandled interrupts - * @lock: locking for SMP - * @affinity_hint: hint to user space for preferred irq affinity - * @affinity_notify: context for notification of affinity changes - * @pending_mask: pending rebalanced interrupts - * @threads_oneshot: bitfield to handle shared oneshot threads - * @threads_active: number of irqaction threads currently running - * @wait_for_threads: wait queue for sync_irq to wait for threaded handlers - * @dir: /proc/irq/ procfs entry - * @name: flow handler name for /proc/interrupts output - */ -struct irq_desc { - struct irq_data irq_data; - struct timer_rand_state *timer_rand_state; - unsigned int __percpu *kstat_irqs; - irq_flow_handler_t handle_irq; -#ifdef CONFIG_IRQ_PREFLOW_FASTEOI - irq_preflow_handler_t preflow_handler; -#endif - struct irqaction *action; /* IRQ action list */ - unsigned int status_use_accessors; - unsigned int core_internal_state__do_not_mess_with_it; - unsigned int depth; /* nested irq disables */ - unsigned int wake_depth; /* nested wake enables */ - unsigned int irq_count; /* For detecting broken IRQs */ - unsigned long last_unhandled; /* Aging timer for unhandled count */ - unsigned int irqs_unhandled; - raw_spinlock_t lock; - struct cpumask *percpu_enabled; -#ifdef CONFIG_SMP - const struct cpumask *affinity_hint; - struct irq_affinity_notify *affinity_notify; -#ifdef CONFIG_GENERIC_PENDING_IRQ - cpumask_var_t pending_mask; -#endif -#endif - unsigned long threads_oneshot; - atomic_t threads_active; - wait_queue_head_t wait_for_threads; -#ifdef CONFIG_PROC_FS - struct proc_dir_entry *dir; -#endif - struct module *owner; - const char *name; -} ____cacheline_internodealigned_in_smp; - -#ifndef CONFIG_SPARSE_IRQ -extern struct irq_desc irq_desc[NR_IRQS]; -#endif - -#ifdef CONFIG_GENERIC_HARDIRQS - -static inline struct irq_data *irq_desc_get_irq_data(struct irq_desc *desc) -{ - return &desc->irq_data; -} - -static inline struct irq_chip *irq_desc_get_chip(struct irq_desc *desc) -{ - return desc->irq_data.chip; -} - -static inline void *irq_desc_get_chip_data(struct irq_desc *desc) -{ - return desc->irq_data.chip_data; -} - -static inline void *irq_desc_get_handler_data(struct irq_desc *desc) -{ - return desc->irq_data.handler_data; -} - -static inline struct msi_desc *irq_desc_get_msi_desc(struct irq_desc *desc) -{ - return desc->irq_data.msi_desc; -} - -/* - * Architectures call this to let the generic IRQ layer - * handle an interrupt. If the descriptor is attached to an - * irqchip-style controller then we call the ->handle_irq() handler, - * and it calls __do_IRQ() if it's attached to an irqtype-style controller. - */ -static inline void generic_handle_irq_desc(unsigned int irq, struct irq_desc *desc) -{ - desc->handle_irq(irq, desc); -} - -int generic_handle_irq(unsigned int irq); - -/* Test to see if a driver has successfully requested an irq */ -static inline int irq_has_action(unsigned int irq) -{ - struct irq_desc *desc = irq_to_desc(irq); - return desc->action != NULL; -} - -/* caller has locked the irq_desc and both params are valid */ -static inline void __irq_set_handler_locked(unsigned int irq, - irq_flow_handler_t handler) -{ - struct irq_desc *desc; - - desc = irq_to_desc(irq); - desc->handle_irq = handler; -} - -/* caller has locked the irq_desc and both params are valid */ -static inline void -__irq_set_chip_handler_name_locked(unsigned int irq, struct irq_chip *chip, - irq_flow_handler_t handler, const char *name) -{ - struct irq_desc *desc; - - desc = irq_to_desc(irq); - irq_desc_get_irq_data(desc)->chip = chip; - desc->handle_irq = handler; - desc->name = name; -} - -static inline int irq_balancing_disabled(unsigned int irq) -{ - struct irq_desc *desc; - - desc = irq_to_desc(irq); - return desc->status_use_accessors & IRQ_NO_BALANCING_MASK; -} - -static inline void -irq_set_lockdep_class(unsigned int irq, struct lock_class_key *class) -{ - struct irq_desc *desc = irq_to_desc(irq); - - if (desc) - lockdep_set_class(&desc->lock, class); -} - -#ifdef CONFIG_IRQ_PREFLOW_FASTEOI -static inline void -__irq_set_preflow_handler(unsigned int irq, irq_preflow_handler_t handler) -{ - struct irq_desc *desc; - - desc = irq_to_desc(irq); - desc->preflow_handler = handler; -} -#endif -#endif - -#endif |