Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   "Enrico Weigelt, metux IT consult" <info@metux.net>
To:     linux-kernel@vger.kernel.org
Cc:     rafael@kernel.org, info@metux.net, linus.walleij@linaro.org,
        bgolaszewski@baylibre.com, robh+dt@kernel.org,
        frowand.list@gmail.com, pantelis.antoniou@konsulko.com,
        linux-gpio@vger.kernel.org, devicetree@vger.kernel.org
Subject: [RFC PATCH 10/12] export bus_get() / bus_put()
Date:   Mon,  8 Feb 2021 23:22:01 +0100
Message-Id: <20210208222203.22335-11-info@metux.net>
In-Reply-To: <20210208222203.22335-1-info@metux.net>
References: <20210208222203.22335-1-info@metux.net>
Precedence: bulk

---
 drivers/base/bus.c         | 6 ++++--
 include/linux/device/bus.h | 3 +++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index a06ae2786092..2ef92a3c5d7b 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -39,7 +39,7 @@ static struct kset *system_kset;
 static int __must_check bus_rescan_devices_helper(struct device *dev,
 						void *data);
 
-static struct bus_type *bus_get(struct bus_type *bus)
+struct bus_type *bus_get(struct bus_type *bus)
 {
 	if (bus) {
 		kset_get(&bus->p->subsys);
@@ -47,12 +47,14 @@ static struct bus_type *bus_get(struct bus_type *bus)
 	}
 	return NULL;
 }
+EXPORT_SYMBOL_GPL(bus_get);
 
-static void bus_put(struct bus_type *bus)
+void bus_put(struct bus_type *bus)
 {
 	if (bus)
 		kset_put(&bus->p->subsys);
 }
+EXPORT_SYMBOL_GPL(bus_put);
 
 static ssize_t drv_attr_show(struct kobject *kobj, struct attribute *attr,
 			     char *buf)
diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h
index b4cbcfe176c5..8d6b45df0a82 100644
--- a/include/linux/device/bus.h
+++ b/include/linux/device/bus.h
@@ -120,6 +120,9 @@ extern void bus_unregister(struct bus_type *bus);
 
 extern int __must_check bus_rescan_devices(struct bus_type *bus);
 
+struct bus_type *bus_get(struct bus_type *bus);
+void bus_put(struct bus_type *bus);
+
 struct bus_attribute {
 	struct attribute	attr;
 	ssize_t (*show)(struct bus_type *bus, char *buf);
-- 
2.11.0