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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-25 17:52:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-25 17:52:53 -0700
commit839767e79e7bdf06f241a47701f0f64b8e2d3f61 (patch)
tree779e50183bac6bd4b87b6d0d1be0f444bca17428 /include
parent94df491c4a01b39d81279a68386158eb02656712 (diff)
parenta2e8461a2ce5e8140b7374eb68af0d09e36e07ff (diff)
Merge branch 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: genirq: Provide locked setter for chip, handler, name genirq: Provide a lockdep helper genirq; Remove the last leftovers of the old sparse irq code
Diffstat (limited to 'include')
-rw-r--r--include/linux/irqdesc.h45
1 files changed, 33 insertions, 12 deletions
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 00218371518..15e6c3905f4 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -100,13 +100,6 @@ 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)
@@ -178,24 +171,52 @@ 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
+__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;
+}
+
+#ifndef CONFIG_GENERIC_HARDIRQS_NO_COMPAT
static inline void __set_irq_handler_unlocked(int irq,
irq_flow_handler_t handler)
{
+ __irq_set_handler_locked(irq, handler);
+}
+
+static inline int irq_balancing_disabled(unsigned int irq)
+{
struct irq_desc *desc;
desc = irq_to_desc(irq);
- desc->handle_irq = handler;
+ return desc->status & IRQ_NO_BALANCING_MASK;
+}
+#endif
+
+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