layerscape: add ls1088ardb device support
[openwrt/staging/yousong.git] / target / linux / layerscape / patches-4.4 / 7196-staging-fsl-mc-make-fsl_mc_get_root_dprc-public.patch
diff --git a/target/linux/layerscape/patches-4.4/7196-staging-fsl-mc-make-fsl_mc_get_root_dprc-public.patch b/target/linux/layerscape/patches-4.4/7196-staging-fsl-mc-make-fsl_mc_get_root_dprc-public.patch
new file mode 100644 (file)
index 0000000..d465f90
--- /dev/null
@@ -0,0 +1,45 @@
+From 12b1317fb3ab5b56efd833fa3b22965adf1d2c96 Mon Sep 17 00:00:00 2001
+From: Stuart Yoder <stuart.yoder@nxp.com>
+Date: Fri, 15 Apr 2016 17:07:16 -0500
+Subject: [PATCH 196/226] staging: fsl-mc: make fsl_mc_get_root_dprc public
+
+this is needed by other components (e.g. vfio) to find
+the root dprc
+
+Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
+---
+ drivers/staging/fsl-mc/bus/mc-bus.c |    3 ++-
+ drivers/staging/fsl-mc/include/mc.h |    3 +++
+ 2 files changed, 5 insertions(+), 1 deletion(-)
+
+--- a/drivers/staging/fsl-mc/bus/mc-bus.c
++++ b/drivers/staging/fsl-mc/bus/mc-bus.c
+@@ -358,7 +358,7 @@ 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,
++void fsl_mc_get_root_dprc(struct device *dev,
+                                struct device **root_dprc_dev)
+ {
+       if (WARN_ON(!dev)) {
+@@ -371,6 +371,7 @@ static void fsl_mc_get_root_dprc(struct
+                       *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)
+--- 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
+ 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);