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authorThomas Gleixner <tglx@linutronix.de>2010-09-30 02:46:07 +0200
committerThomas Gleixner <tglx@linutronix.de>2010-10-12 16:39:07 +0200
commit13bfe99e09123ef5edb6acb81ba337d2db600b53 (patch)
treef96f5be41c90e1ab437bb40a02a8f137deb9e3ab /kernel/irq/internals.h
parent1f5a5b87f78fade3ae48dfd55e8765d1d622ea4e (diff)
downloadop-kernel-dev-13bfe99e09123ef5edb6acb81ba337d2db600b53.zip
op-kernel-dev-13bfe99e09123ef5edb6acb81ba337d2db600b53.tar.gz
genirq: Prepare proc for real sparse irq support
/proc/irq never removes any entries, but when irq descriptors can be freed for real this is necessary. Otherwise we'd reference a freed descriptor in /proc/irq/N Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/irq/internals.h')
-rw-r--r--kernel/irq/internals.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index e281e45..8eb01e3 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -32,10 +32,12 @@ void replace_irq_desc(unsigned int irq, struct irq_desc *desc);
#ifdef CONFIG_PROC_FS
extern void register_irq_proc(unsigned int irq, struct irq_desc *desc);
+extern void unregister_irq_proc(unsigned int irq, struct irq_desc *desc);
extern void register_handler_proc(unsigned int irq, struct irqaction *action);
extern void unregister_handler_proc(unsigned int irq, struct irqaction *action);
#else
static inline void register_irq_proc(unsigned int irq, struct irq_desc *desc) { }
+static inline void unregister_irq_proc(unsigned int irq, struct irq_desc *desc) { }
static inline void register_handler_proc(unsigned int irq,
struct irqaction *action) { }
static inline void unregister_handler_proc(unsigned int irq,
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