[PATCH] arc: kernel: export symbol for pm_power_off in reset.c

[Chen Gang]

Need export symbol for it, or can not pass compiling, the related error
with allmodconfig: 

    MODPOST 2994 modules
  ERROR: "pm_power_off" [drivers/mfd/retu-mfd.ko] undefined!
  ERROR: "pm_power_off" [drivers/char/ipmi/ipmi_poweroff.ko] undefined!


Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
---
 arch/arc/kernel/reset.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/arc/kernel/reset.c b/arch/arc/kernel/reset.c
index e227a2b..2768fa1 100644
--- a/arch/arc/kernel/reset.c
+++ b/arch/arc/kernel/reset.c
@@ -31,3 +31,4 @@ void machine_power_off(void)
 }
 
 void (*pm_power_off) (void) = NULL;
+EXPORT_SYMBOL(pm_power_off);
-- 
1.7.7.6
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