From 1790f2be41e48788314f0923174cd943b8bd6a54 Mon Sep 17 00:00:00 2001 From: Zheng Yongjun Date: Thu, 24 Dec 2020 21:25:28 +0800 Subject: [PATCH] staging: vc04_services: use DEFINE_MUTEX() for mutex lock mutex lock can be initialized automatically with DEFINE_MUTEX() rather than explicitly calling mutex_init(). Signed-off-by: Zheng Yongjun Link: https://lore.kernel.org/r/20201224132528.31558-1-zhengyongjun3@huawei.com Signed-off-by: Greg Kroah-Hartman --- .../vc04_services/interface/vchiq_arm/vchiq_connected.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c index f91e21a0b51b..3023fa9fdc64 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c @@ -12,13 +12,12 @@ static int g_connected; static int g_num_deferred_callbacks; static VCHIQ_CONNECTED_CALLBACK_T g_deferred_callback[MAX_CALLBACKS]; static int g_once_init; -static struct mutex g_connected_mutex; +static DEFINE_MUTEX(g_connected_mutex); /* Function to initialize our lock */ static void connected_init(void) { if (!g_once_init) { - mutex_init(&g_connected_mutex); g_once_init = 1; } }