linux-kernel - [PATCH v4 7/8] rpmsg: Make rpmsg_{register|unregister}

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Date:   Tue, 27 Oct 2020 11:52:17 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     ohad@...ery.com, bjorn.andersson@...aro.org
Cc:     guennadi.liakhovetski@...ux.intel.com, arnaud.pouliquen@...com,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v4 7/8] rpmsg: Make rpmsg_{register|unregister}_device() public

Make function rpmsg_register_device() and rpmsg_unregister_device()
functions public so that they can be used by other clients.  While
doing so get rid of two obsolete function, i.e register_rpmsg_device()
and unregister_rpmsg_device(), to prevent confusion.

Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@...com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>
---
 drivers/rpmsg/rpmsg_internal.h |  4 ----
 include/linux/rpmsg.h          | 12 ++++++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/rpmsg/rpmsg_internal.h b/drivers/rpmsg/rpmsg_internal.h
index 810dd95cc9bd..0721294ed415 100644
--- a/drivers/rpmsg/rpmsg_internal.h
+++ b/drivers/rpmsg/rpmsg_internal.h
@@ -74,10 +74,6 @@ struct rpmsg_endpoint_ops {
 			     poll_table *wait);
 };
 
-int rpmsg_register_device(struct rpmsg_device *rpdev);
-int rpmsg_unregister_device(struct device *parent,
-			    struct rpmsg_channel_info *chinfo);
-
 struct device *rpmsg_find_device(struct device *parent,
 				 struct rpmsg_channel_info *chinfo);
 
diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h
index 97098a90c496..8ee1b1dab657 100644
--- a/include/linux/rpmsg.h
+++ b/include/linux/rpmsg.h
@@ -164,8 +164,9 @@ static inline __rpmsg64 cpu_to_rpmsg64(struct rpmsg_device *rpdev, u64 val)
 
 #if IS_ENABLED(CONFIG_RPMSG)
 
-int register_rpmsg_device(struct rpmsg_device *dev);
-void unregister_rpmsg_device(struct rpmsg_device *dev);
+int rpmsg_register_device(struct rpmsg_device *rpdev);
+int rpmsg_unregister_device(struct device *parent,
+			    struct rpmsg_channel_info *chinfo);
 int __register_rpmsg_driver(struct rpmsg_driver *drv, struct module *owner);
 void unregister_rpmsg_driver(struct rpmsg_driver *drv);
 void rpmsg_destroy_ept(struct rpmsg_endpoint *);
@@ -188,15 +189,18 @@ __poll_t rpmsg_poll(struct rpmsg_endpoint *ept, struct file *filp,
 
 #else
 
-static inline int register_rpmsg_device(struct rpmsg_device *dev)
+static inline int rpmsg_register_device(struct rpmsg_device *rpdev)
 {
 	return -ENXIO;
 }
 
-static inline void unregister_rpmsg_device(struct rpmsg_device *dev)
+static inline int rpmsg_unregister_device(struct device *parent,
+					  struct rpmsg_channel_info *chinfo)
 {
 	/* This shouldn't be possible */
 	WARN_ON(1);
+
+	return -ENXIO;
 }
 
 static inline int __register_rpmsg_driver(struct rpmsg_driver *drv,
-- 
2.25.1