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-rw-r--r--include/linux/irqdesc.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 624a668..fcea4e4 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -87,7 +87,12 @@ struct irq_desc {
const char *name;
} ____cacheline_internodealigned_in_smp;
-#ifndef CONFIG_SPARSE_IRQ
+#ifdef CONFIG_SPARSE_IRQ
+extern void irq_lock_sparse(void);
+extern void irq_unlock_sparse(void);
+#else
+static inline void irq_lock_sparse(void) { }
+static inline void irq_unlock_sparse(void) { }
extern struct irq_desc irq_desc[NR_IRQS];
#endif
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