#define IRQ_AFFINITY_SET 0x02000000 /* IRQ affinity was set from userspace*/
#define IRQ_SUSPENDED 0x04000000 /* IRQ has gone through suspend sequence */
#define IRQ_ONESHOT 0x08000000 /* IRQ is not unmasked after hardirq */
+#define IRQ_NESTED_THREAD 0x10000000 /* IRQ is nested into another, no own handler thread */
#ifdef CONFIG_IRQ_PER_CPU
# define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU)
* @startup: start up the interrupt (defaults to ->enable if NULL)
* @shutdown: shut down the interrupt (defaults to ->disable if NULL)
* @enable: enable the interrupt (defaults to chip->unmask if NULL)
- * @disable: disable the interrupt (defaults to chip->mask if NULL)
+ * @disable: disable the interrupt
* @ack: start of a new interrupt
* @mask: mask an interrupt source
* @mask_ack: ack and mask an interrupt source
unsigned int irq_count; /* For detecting broken IRQs */
unsigned long last_unhandled; /* Aging timer for unhandled count */
unsigned int irqs_unhandled;
- spinlock_t lock;
+ raw_spinlock_t lock;
#ifdef CONFIG_SMP
cpumask_var_t affinity;
+ const struct cpumask *affinity_hint;
unsigned int node;
#ifdef CONFIG_GENERIC_PENDING_IRQ
cpumask_var_t pending_mask;
extern struct irq_desc *irq_to_desc_alloc_node(unsigned int irq, int node);
/*
- * Migration helpers for obsolete names, they will go away:
- */
-#define hw_interrupt_type irq_chip
-#define no_irq_type no_irq_chip
-typedef struct irq_desc irq_desc_t;
-
-/*
* Pick up the arch-dependent methods:
*/
#include <asm/hw_irq.h>
/*
* Built-in IRQ handlers for various IRQ types,
- * callable via desc->chip->handle_irq()
+ * callable via desc->handle_irq()
*/
extern void handle_level_irq(unsigned int irq, struct irq_desc *desc);
extern void handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc);
extern void handle_simple_irq(unsigned int irq, struct irq_desc *desc);
extern void handle_percpu_irq(unsigned int irq, struct irq_desc *desc);
extern void handle_bad_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_nested_irq(unsigned int irq);
/*
* Monolithic do_IRQ implementation.
__set_irq_handler(irq, handle, 1, NULL);
}
+extern void set_irq_nested_thread(unsigned int irq, int nest);
+
extern void set_irq_noprobe(unsigned int irq);
extern void set_irq_probe(unsigned int irq);
/* Dynamic irq helper functions */
extern void dynamic_irq_init(unsigned int irq);
+void dynamic_irq_init_keep_chip_data(unsigned int irq);
extern void dynamic_irq_cleanup(unsigned int irq);
+void dynamic_irq_cleanup_keep_chip_data(unsigned int irq);
/* Set/get chip/data for an IRQ: */
extern int set_irq_chip(unsigned int irq, struct irq_chip *chip);