From: Stuart Yoder <stuart.yoder@nxp.com>
Date: Tue, 23 Aug 2016 22:13:46 +0000 (-0500)
Subject: staging: fsl-mc: make fsl_mc_get_root_dprc public
X-Git-Tag: v4.9-rc1~119^2~842
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=27365d85cfb6cdf8e584764bfdca747d3087b21d;p=linux.git

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@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/fsl-mc/bus/fsl-mc-bus.c b/drivers/staging/fsl-mc/bus/fsl-mc-bus.c
index 08363f8bd87f..fda6a98ba3c5 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 ab439fae2311..a71342d2c7b2 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);