of: add empty of_find_node_by_path() for !OF

Add an empty version of of_find_node_by_path().
This fixes following build error for asoc tree:
sound/soc/fsl/fsl_ssi.c: In function 'fsl_ssi_probe':
sound/soc/fsl/fsl_ssi.c:1471:2: error: implicit declaration of function 'of_find_node_by_path' [-Werror=implicit-function-declaration]
  sprop = of_get_property(of_find_node_by_path("/"), "compatible", NULL);

Change-Id: Ib635dffb97877a2820fb80b99db96a285a6d2d14
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Rob Herring <robh@kernel.org>
(cherry picked from commit 9e7f1b065a312062eb8acdb1c505ddb3792b7583)

diff --git a/include/linux/of.h b/include/linux/of.h
index 43e3746d6ce53e111b2f8218974257343595ab42..34e572c3fb9c06591c531cd4f258be4fb99b317e 100644 (file)
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -413,6 +413,11 @@ static inline struct device_node *of_find_node_by_name(struct device_node *from,
        return NULL;
 }
 
+static inline struct device_node *of_find_node_by_path(const char *path)
+{
+       return NULL;
+}
+
 static inline struct device_node *of_get_parent(const struct device_node *node)
 {
        return NULL;