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
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 0021837..15e6c39 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -100,13 +100,6 @@
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)
@@ -178,7 +171,36 @@
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;
+}
+
#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;
@@ -188,14 +210,13 @@
}
#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_lockdep_class(unsigned int irq, struct lock_class_key *class)
{
- struct irq_desc *desc;
+ struct irq_desc *desc = irq_to_desc(irq);
- desc = irq_to_desc(irq);
- desc->handle_irq = handler;
+ if (desc)
+ lockdep_set_class(&desc->lock, class);
}
#ifdef CONFIG_IRQ_PREFLOW_FASTEOI
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index dbccc79..6fb014f 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -198,15 +198,6 @@
return -ENOMEM;
}
-struct irq_desc * __ref irq_to_desc_alloc_node(unsigned int irq, int node)
-{
- int res = irq_alloc_descs(irq, irq, 1, node);
-
- if (res == -EEXIST || res == irq)
- return irq_to_desc(irq);
- return NULL;
-}
-
static int irq_expand_nr_irqs(unsigned int nr)
{
if (nr > IRQ_BITMAP_BITS)
@@ -283,11 +274,6 @@
return (irq < NR_IRQS) ? irq_desc + irq : NULL;
}
-struct irq_desc *irq_to_desc_alloc_node(unsigned int irq, int node)
-{
- return irq_to_desc(irq);
-}
-
static void free_desc(unsigned int irq)
{
dynamic_irq_cleanup(irq);