[PATCH] arch: hexagon: kernel: reset.c: use function pointer insteadof function for pm_power_off and export it

[Chen Gang]

'pm_power_off' is a function pointer, not a function, so need change
its type, and also need export it, or can not pass compiling with
allmodconfig. The related error:

    MODPOST 2879 modules
  ERROR: "pm_power_off" [drivers/char/ipmi/ipmi_poweroff.ko] undefined!


Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx>
---
 arch/hexagon/kernel/reset.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/hexagon/kernel/reset.c b/arch/hexagon/kernel/reset.c
index 6aeabc9..76483c1 100644
--- a/arch/hexagon/kernel/reset.c
+++ b/arch/hexagon/kernel/reset.c
@@ -33,6 +33,5 @@ void machine_restart(char *cmd)
 {
 }
 
-void pm_power_off(void)
-{
-}
+void (*pm_power_off)(void) = NULL;
+EXPORT_SYMBOL(pm_power_off);
-- 
1.7.7.6
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