[PATCH 17/18] Add a get_parent method to dt_ops.

[Scott Wood]

Signed-off-by: Scott Wood <scottwood at freescale.com>
---
 arch/powerpc/boot/flatdevtree_misc.c |    6 ++++++
 arch/powerpc/boot/ops.h              |    7 ++++++-
 2 files changed, 12 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/boot/flatdevtree_misc.c b/arch/powerpc/boot/flatdevtree_misc.c
index eb8d48d..3ce109e 100644
--- a/arch/powerpc/boot/flatdevtree_misc.c
+++ b/arch/powerpc/boot/flatdevtree_misc.c
@@ -51,12 +51,18 @@ unsigned long ft_finalize(void)
 	return (unsigned long)fdtm_cxt.bph;
 }
 
+void *fdtm_get_parent(const void *phandle)
+{
+	return ft_get_parent(&fdtm_cxt, phandle);
+}
+
 int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device)
 {
 	dt_ops.finddevice = ft_finddevice;
 	dt_ops.getprop = ft_getprop;
 	dt_ops.setprop = ft_setprop;
 	dt_ops.finalize = ft_finalize;
+	dt_ops.get_parent = fdtm_get_parent;
 
 	return ft_open(&fdtm_cxt, dt_blob, max_size, max_find_device,
 			platform_ops.realloc);
diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h
index 0bc4a68..65abba5 100644
--- a/arch/powerpc/boot/ops.h
+++ b/arch/powerpc/boot/ops.h
@@ -36,6 +36,7 @@ struct dt_ops {
 			const int buflen);
 	int	(*setprop)(const void *phandle, const char *name,
 			const void *buf, const int buflen);
+	void *(*get_parent)(const void *phandle);
 	unsigned long (*finalize)(void);
 };
 extern struct dt_ops dt_ops;
@@ -69,7 +70,6 @@ int ns16550_console_init(void *devp, str
 void *simple_alloc_init(char *base, u32 heap_size, u32 granularity,
 		u32 max_allocs);
 
-
 static inline void *finddevice(const char *name)
 {
 	return (dt_ops.finddevice) ? dt_ops.finddevice(name) : NULL;
@@ -85,6 +85,11 @@ static inline int setprop(void *devp, co
 	return (dt_ops.setprop) ? dt_ops.setprop(devp, name, buf, buflen) : -1;
 }
 
+static inline void *get_parent(const char *devp)
+{
+	return dt_ops.get_parent ? dt_ops.get_parent(devp) : NULL;
+}
+
 static inline void *malloc(u32 size)
 {
 	return (platform_ops.malloc) ? platform_ops.malloc(size) : NULL;
-- 
1.4.4