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Diffstat (limited to 'include/linux/irqdesc.h')
-rw-r--r--include/linux/irqdesc.h89
1 files changed, 26 insertions, 63 deletions
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 00218371518b..a082905b5ebe 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -35,32 +35,7 @@ struct timer_rand_state;
* @name: flow handler name for /proc/interrupts output
*/
struct irq_desc {
-
-#ifdef CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED
struct irq_data irq_data;
-#else
- /*
- * This union will go away, once we fixed the direct access to
- * irq_desc all over the place. The direct fields are a 1:1
- * overlay of irq_data.
- */
- union {
- struct irq_data irq_data;
- struct {
- unsigned int irq;
- unsigned int node;
- unsigned int pad_do_not_even_think_about_it;
- struct irq_chip *chip;
- void *handler_data;
- void *chip_data;
- struct msi_desc *msi_desc;
-#ifdef CONFIG_SMP
- cpumask_var_t affinity;
-#endif
- };
- };
-#endif
-
struct timer_rand_state *timer_rand_state;
unsigned int __percpu *kstat_irqs;
irq_flow_handler_t handle_irq;
@@ -68,11 +43,7 @@ struct irq_desc {
irq_preflow_handler_t preflow_handler;
#endif
struct irqaction *action; /* IRQ action list */
-#ifdef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
unsigned int status_use_accessors;
-#else
- unsigned int status; /* IRQ status */
-#endif
unsigned int core_internal_state__do_not_mess_with_it;
unsigned int depth; /* nested irq disables */
unsigned int wake_depth; /* nested wake enables */
@@ -100,13 +71,6 @@ struct irq_desc {
extern struct irq_desc irq_desc[NR_IRQS];
#endif
-/* Will be removed once the last users in power and sh are gone */
-extern struct irq_desc *irq_to_desc_alloc_node(unsigned int irq, int node);
-static inline struct irq_desc *move_irq_desc(struct irq_desc *desc, int node)
-{
- return desc;
-}
-
#ifdef CONFIG_GENERIC_HARDIRQS
static inline struct irq_data *irq_desc_get_irq_data(struct irq_desc *desc)
@@ -134,27 +98,6 @@ static inline struct msi_desc *irq_desc_get_msi_desc(struct irq_desc *desc)
return desc->irq_data.msi_desc;
}
-#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
-static inline struct irq_chip *get_irq_desc_chip(struct irq_desc *desc)
-{
- return irq_desc_get_chip(desc);
-}
-static inline void *get_irq_desc_data(struct irq_desc *desc)
-{
- return irq_desc_get_handler_data(desc);
-}
-
-static inline void *get_irq_desc_chip_data(struct irq_desc *desc)
-{
- return irq_desc_get_chip_data(desc);
-}
-
-static inline struct msi_desc *get_irq_desc_msi(struct irq_desc *desc)
-{
- return irq_desc_get_msi_desc(desc);
-}
-#endif
-
/*
* Architectures call this to let the generic IRQ layer
* handle an interrupt. If the descriptor is attached to an
@@ -178,24 +121,44 @@ static inline int irq_has_action(unsigned int irq)
return desc->action != NULL;
}
-#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
-static inline int irq_balancing_disabled(unsigned int irq)
+/* 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);
- return desc->status & IRQ_NO_BALANCING_MASK;
+ desc->handle_irq = handler;
}
-#endif
/* caller has locked the irq_desc and both params are valid */
-static inline void __set_irq_handler_unlocked(int irq,
- irq_flow_handler_t handler)
+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