linux-kernel - [PATCH V5 02/13] of: platform: Make of_platform_bus

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Date:   Thu, 14 Dec 2017 21:03:09 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Viresh Kumar <viresh.kumar@...aro.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        robdclark@...il.com, s.hauer@...gutronix.de,
        l.stach@...gutronix.de, shawnguo@...nel.org, fabio.estevam@....com,
        nm@...com, xuwei5@...ilicon.com, robh+dt@...nel.org
Subject: [PATCH V5 02/13] of: platform: Make of_platform_bus_create() global

The boot constraints core needs to create platform or AMBA devices
corresponding to a compatible string and not for rest of the nodes in
DT. of_platform_bus_create() fits in the best to achieve that.

Allow it to be used outside of platform.c.

Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 drivers/of/platform.c       |  8 ++++----
 include/linux/of_platform.h | 11 +++++++++++
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 61a4a81bea9f..6f707bfb348f 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -397,10 +397,10 @@ static const struct of_dev_auxdata *of_dev_lookup(const struct of_dev_auxdata *l
  * Creates a platform_device for the provided device_node, and optionally
  * recursively create devices for all the child nodes.
  */
-static int of_platform_bus_create(struct device_node *bus,
-				  const struct of_device_id *matches,
-				  const struct of_dev_auxdata *lookup,
-				  struct device *parent, bool strict)
+int of_platform_bus_create(struct device_node *bus,
+			   const struct of_device_id *matches,
+			   const struct of_dev_auxdata *lookup,
+			   struct device *parent, bool strict)
 {
 	const struct of_dev_auxdata *auxdata;
 	struct device_node *child;
diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h
index 4909d1aa47ec..511a59fb8e15 100644
--- a/include/linux/of_platform.h
+++ b/include/linux/of_platform.h
@@ -77,6 +77,10 @@ extern struct platform_device *of_platform_device_create(struct device_node *np,
 						   struct device *parent);
 
 extern int of_platform_device_destroy(struct device *dev, void *data);
+extern int of_platform_bus_create(struct device_node *bus,
+				  const struct of_device_id *matches,
+				  const struct of_dev_auxdata *lookup,
+				  struct device *parent, bool strict);
 extern int of_platform_bus_probe(struct device_node *root,
 				 const struct of_device_id *matches,
 				 struct device *parent);
@@ -94,6 +98,13 @@ extern int devm_of_platform_populate(struct device *dev);
 
 extern void devm_of_platform_depopulate(struct device *dev);
 #else
+static inline int of_platform_bus_create(struct device_node *bus,
+					 const struct of_device_id *matches,
+					 const struct of_dev_auxdata *lookup,
+					 struct device *parent, bool strict)
+{
+	return -ENODEV;
+}
 static inline int of_platform_populate(struct device_node *root,
 					const struct of_device_id *matches,
 					const struct of_dev_auxdata *lookup,
-- 
2.15.0.194.g9af6a3dea062