linux-kernel - [PATCH 08/14] staging: fsl-mc: make fsl_mc_get_root

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Date:   Tue, 23 Aug 2016 17:13:46 -0500
From:   Stuart Yoder <stuart.yoder@....com>
To:     <gregkh@...uxfoundation.org>
CC:     <german.rivera@....com>, <devel@...verdev.osuosl.org>,
        <linux-kernel@...r.kernel.org>, <agraf@...e.de>, <arnd@...db.de>,
        <leoyang.li@....com>, Stuart Yoder <stuart.yoder@....com>
Subject: [PATCH 08/14] staging: fsl-mc: make fsl_mc_get_root_dprc public

fsl_mc_get_root_dprc is needed by other components (e.g. vfio) to find
the root dprc

Signed-off-by: Stuart Yoder <stuart.yoder@....com>
---
 drivers/staging/fsl-mc/bus/fsl-mc-bus.c | 5 +++--
 drivers/staging/fsl-mc/include/mc.h     | 3 +++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/fsl-mc/bus/fsl-mc-bus.c b/drivers/staging/fsl-mc/bus/fsl-mc-bus.c
index 08363f8..fda6a98 100644
--- a/drivers/staging/fsl-mc/bus/fsl-mc-bus.c
+++ b/drivers/staging/fsl-mc/bus/fsl-mc-bus.c
@@ -265,8 +265,8 @@ EXPORT_SYMBOL_GPL(fsl_mc_bus_exists);
 /**
 * fsl_mc_get_root_dprc - function to traverse to the root dprc
 */
-static void fsl_mc_get_root_dprc(struct device *dev,
-				 struct device **root_dprc_dev)
+void fsl_mc_get_root_dprc(struct device *dev,
+			  struct device **root_dprc_dev)
 {
 	if (WARN_ON(!dev)) {
 		*root_dprc_dev = NULL;
@@ -278,6 +278,7 @@ static void fsl_mc_get_root_dprc(struct device *dev,
 			*root_dprc_dev = (*root_dprc_dev)->parent;
 	}
 }
+EXPORT_SYMBOL_GPL(fsl_mc_get_root_dprc);
 
 static int get_dprc_attr(struct fsl_mc_io *mc_io,
 			 int container_id, struct dprc_attributes *attr)
diff --git a/drivers/staging/fsl-mc/include/mc.h b/drivers/staging/fsl-mc/include/mc.h
index ab439fa..a71342d 100644
--- a/drivers/staging/fsl-mc/include/mc.h
+++ b/drivers/staging/fsl-mc/include/mc.h
@@ -191,6 +191,9 @@ void fsl_mc_driver_unregister(struct fsl_mc_driver *driver);
 
 bool fsl_mc_bus_exists(void);
 
+void fsl_mc_get_root_dprc(struct device *dev,
+			  struct device **root_dprc_dev);
+
 int __must_check fsl_mc_portal_allocate(struct fsl_mc_device *mc_dev,
 					u16 mc_io_flags,
 					struct fsl_mc_io **new_mc_io);
-- 
1.9.0