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From:   Shaokun Zhang <zhangshaokun@hisilicon.com>
To:     <linux-kernel@vger.kernel.org>
CC:     Shaokun Zhang <zhangshaokun@hisilicon.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Rafael J. Wysocki" <rafael@kernel.org>
Subject: [PATCH] driver core: remove unnecessary function extern declare
Date:   Sun, 15 Jul 2018 18:08:56 +0800
Message-ID: <1531649336-20135-1-git-send-email-zhangshaokun@hisilicon.com>
MIME-Version: 1.0
Content-Type: text/plain
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

device_private_init is called only in core.c, extern declare is
unnecessary and make it static.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
---
 drivers/base/base.h | 2 --
 drivers/base/core.c | 2 +-
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/base/base.h b/drivers/base/base.h
index a75c302..7a419a7 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -84,8 +84,6 @@ struct device_private {
 #define to_device_private_bus(obj)	\
 	container_of(obj, struct device_private, knode_bus)
 
-extern int device_private_init(struct device *dev);
-
 /* initialisation functions */
 extern int devices_init(void);
 extern int buses_init(void);
diff --git a/drivers/base/core.c b/drivers/base/core.c
index df3e1a4..2ba30ce 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1736,7 +1736,7 @@ static void device_remove_sys_dev_entry(struct device *dev)
 	}
 }
 
-int device_private_init(struct device *dev)
+static int device_private_init(struct device *dev)
 {
 	dev->p = kzalloc(sizeof(*dev->p), GFP_KERNEL);
 	if (!dev->p)
-- 
2.7.4