We get a warning when building kernel with W=1:
arch/x86/kernel/irqinit.c:79:13: warning: no previous prototype for ‘init_IRQ’
[-Wmissing-prototypes]
void __init init_IRQ(void)
^
Add the missing declaration in head file to fix this.
Signed-off-by: Yi Wang <wang.y...@zte.com.cn>
---
arch/x86/include/asm/irq.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h
index 2395bb7..399a9c5 100644
--- a/arch/x86/include/asm/irq.h
+++ b/arch/x86/include/asm/irq.h
@@ -41,6 +41,8 @@ static inline int irq_canonicalize(int irq)
extern void init_ISA_irqs(void);
+extern void __init init_IRQ(void);
+
#ifdef CONFIG_X86_LOCAL_APIC
void arch_trigger_cpumask_backtrace(const struct cpumask *mask,
bool exclude_self);
--
1.8.3.1
