summaryrefslogtreecommitdiff
path: root/kernel/irq/internals.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/irq/internals.h')
-rw-r--r--kernel/irq/internals.h54
1 files changed, 27 insertions, 27 deletions
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index b0290849c395..0164ca48da59 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -20,6 +20,7 @@
#define istate core_internal_state__do_not_mess_with_it
extern bool noirqdebug;
+extern int irq_poll_cpu;
extern struct irqaction chained_action;
@@ -87,6 +88,7 @@ extern void __enable_irq(struct irq_desc *desc);
extern int irq_activate(struct irq_desc *desc);
extern int irq_activate_and_startup(struct irq_desc *desc, bool resend);
extern int irq_startup(struct irq_desc *desc, bool resend, bool force);
+extern void irq_startup_managed(struct irq_desc *desc);
extern void irq_shutdown(struct irq_desc *desc);
extern void irq_shutdown_and_deactivate(struct irq_desc *desc);
@@ -111,7 +113,6 @@ irqreturn_t handle_irq_event(struct irq_desc *desc);
int check_irq_resend(struct irq_desc *desc, bool inject);
void clear_irq_resend(struct irq_desc *desc);
void irq_resend_init(struct irq_desc *desc);
-bool irq_wait_for_poll(struct irq_desc *desc);
void __irq_wake_thread(struct irq_desc *desc, struct irqaction *action);
void wake_threads_waitq(struct irq_desc *desc);
@@ -141,6 +142,10 @@ extern int irq_setup_affinity(struct irq_desc *desc);
static inline int irq_setup_affinity(struct irq_desc *desc) { return 0; }
#endif
+
+#define for_each_action_of_desc(desc, act) \
+ for (act = desc->action; act; act = act->next)
+
/* Inline functions for support of irq chips on slow busses */
static inline void chip_bus_lock(struct irq_desc *desc)
{
@@ -160,38 +165,33 @@ static inline void chip_bus_sync_unlock(struct irq_desc *desc)
#define IRQ_GET_DESC_CHECK_GLOBAL (_IRQ_DESC_CHECK)
#define IRQ_GET_DESC_CHECK_PERCPU (_IRQ_DESC_CHECK | _IRQ_DESC_PERCPU)
-#define for_each_action_of_desc(desc, act) \
- for (act = desc->action; act; act = act->next)
-
-struct irq_desc *
-__irq_get_desc_lock(unsigned int irq, unsigned long *flags, bool bus,
- unsigned int check);
+struct irq_desc *__irq_get_desc_lock(unsigned int irq, unsigned long *flags, bool bus,
+ unsigned int check);
void __irq_put_desc_unlock(struct irq_desc *desc, unsigned long flags, bool bus);
-static inline struct irq_desc *
-irq_get_desc_buslock(unsigned int irq, unsigned long *flags, unsigned int check)
-{
- return __irq_get_desc_lock(irq, flags, true, check);
-}
+__DEFINE_CLASS_IS_CONDITIONAL(irqdesc_lock, true);
+__DEFINE_UNLOCK_GUARD(irqdesc_lock, struct irq_desc,
+ __irq_put_desc_unlock(_T->lock, _T->flags, _T->bus),
+ unsigned long flags; bool bus);
-static inline void
-irq_put_desc_busunlock(struct irq_desc *desc, unsigned long flags)
+static inline class_irqdesc_lock_t class_irqdesc_lock_constructor(unsigned int irq, bool bus,
+ unsigned int check)
{
- __irq_put_desc_unlock(desc, flags, true);
-}
+ class_irqdesc_lock_t _t = { .bus = bus, };
-static inline struct irq_desc *
-irq_get_desc_lock(unsigned int irq, unsigned long *flags, unsigned int check)
-{
- return __irq_get_desc_lock(irq, flags, false, check);
-}
+ _t.lock = __irq_get_desc_lock(irq, &_t.flags, bus, check);
-static inline void
-irq_put_desc_unlock(struct irq_desc *desc, unsigned long flags)
-{
- __irq_put_desc_unlock(desc, flags, false);
+ return _t;
}
+#define scoped_irqdesc_get_and_lock(_irq, _check) \
+ scoped_guard(irqdesc_lock, _irq, false, _check)
+
+#define scoped_irqdesc_get_and_buslock(_irq, _check) \
+ scoped_guard(irqdesc_lock, _irq, true, _check)
+
+#define scoped_irqdesc ((struct irq_desc *)(__guard_ptr(irqdesc_lock)(&scope)))
+
#define __irqd_to_state(d) ACCESS_PRIVATE((d)->common, state_use_accessors)
static inline unsigned int irqd_get(struct irq_data *d)
@@ -277,11 +277,11 @@ static inline bool irq_is_nmi(struct irq_desc *desc)
}
#ifdef CONFIG_PM_SLEEP
-bool irq_pm_check_wakeup(struct irq_desc *desc);
+void irq_pm_handle_wakeup(struct irq_desc *desc);
void irq_pm_install_action(struct irq_desc *desc, struct irqaction *action);
void irq_pm_remove_action(struct irq_desc *desc, struct irqaction *action);
#else
-static inline bool irq_pm_check_wakeup(struct irq_desc *desc) { return false; }
+static inline void irq_pm_handle_wakeup(struct irq_desc *desc) { }
static inline void
irq_pm_install_action(struct irq_desc *desc, struct irqaction *action) { }
static inline void