cpuhotplug: remove cpu_hotplug_init()

cpu_hotplug_init() is almost equal to a dummy function,
this patch remove it.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 3 insertions, 8 deletions

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 395b6974dc8d..609fae119e57 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -34,14 +34,9 @@ static struct {
 	 * an ongoing cpu hotplug operation.
 	 */
 	int refcount;
-} cpu_hotplug;
-
-void __init cpu_hotplug_init(void)
-{
-	cpu_hotplug.active_writer = NULL;
-	mutex_init(&cpu_hotplug.lock);
-	cpu_hotplug.refcount = 0;
-}
+} cpu_hotplug = {
+	.lock = __MUTEX_INITIALIZER(cpu_hotplug.lock),
+};
 
 #ifdef CONFIG_HOTPLUG_CPU