linux-kernel - [PATCH 07/12] driver: base: cpu: export device

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Message-Id: <20191030153837.18107-8-qais.yousef@arm.com>
Date:   Wed, 30 Oct 2019 15:38:32 +0000
From:   Qais Yousef <qais.yousef@....com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Qais Yousef <qais.yousef@....com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 07/12] driver: base: cpu: export device_online/offline

And the {lock,unlock}_device_hotplug so that they can be used from
modules.

This is in preparation to replace cpu_up/down with
device_online/offline; which kernel/torture.c will require to be
exported to be built as a module.

Signed-off-by: Qais Yousef <qais.yousef@....com>
CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC: "Rafael J. Wysocki" <rafael@...nel.org>
CC: linux-kernel@...r.kernel.org
---
 drivers/base/core.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 2db62d98e395..3431cd0c9eac 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -882,11 +882,13 @@ void lock_device_hotplug(void)
 {
 	mutex_lock(&device_hotplug_lock);
 }
+EXPORT_SYMBOL_GPL(lock_device_hotplug);
 
 void unlock_device_hotplug(void)
 {
 	mutex_unlock(&device_hotplug_lock);
 }
+EXPORT_SYMBOL_GPL(unlock_device_hotplug);
 
 int lock_device_hotplug_sysfs(void)
 {
@@ -2678,6 +2680,7 @@ int device_offline(struct device *dev)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(device_offline);
 
 /**
  * device_online - Put the device back online after successful device_offline().
@@ -2709,6 +2712,7 @@ int device_online(struct device *dev)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(device_online);
 
 struct root_device {
 	struct device dev;
-- 
2.17.1