[PATCH] arm: Add missing method to asm/irq_work.h

[Philippe Mazenauer]

Add missing method arch_irq_work_raise() to irq_work.h, so as to remove
missing-prototypes warning in kernel/smp.c.

../arch/arm/kernel/smp.c:572:6: warning: no previous prototype for âarch_irq_work_raiseâ [-Wmissing-prototypes]
 void arch_irq_work_raise(void)
      ^~~~~~~~~~~~~~~~~~~

Signed-off-by: Philippe Mazenauer <philippe.mazenauer@xxxxxxxxxx>
---
 arch/arm/include/asm/irq_work.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/include/asm/irq_work.h b/arch/arm/include/asm/irq_work.h
index 8895999834cc..c9edb9e7527f 100644
--- a/arch/arm/include/asm/irq_work.h
+++ b/arch/arm/include/asm/irq_work.h
@@ -4,6 +4,8 @@
 
 #include <asm/smp_plat.h>
 
+void arch_irq_work_raise(void);
+
 static inline bool arch_irq_work_has_interrupt(void)
 {
 	return is_smp();
-- 
2.17.1