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authorRob Herring <robh@kernel.org>2018-08-28 15:10:48 -0500
committerRob Herring <robh@kernel.org>2018-08-31 08:30:42 -0400
commit0413bedabc886c3a56804d1c80a58e99077b1d91 (patch)
tree2c421170687e8f71f93d578a6c65edf0ea80ff13
parentf42b0e18f2e5cf34f73ef1b6327b49040b307a33 (diff)
downloadlinux-stericsson-0413bedabc886c3a56804d1c80a58e99077b1d91.tar.gz
of: Add device_type access helper functions
In preparation to remove direct access to device_node.type, add of_node_is_type() and of_node_get_device_type() helpers to check and retrieve the device type. Cc: Frank Rowand <frowand.list@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org>
-rw-r--r--include/linux/of.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/of.h b/include/linux/of.h
index 688c52dd7b3e..99b0ebf49632 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -988,6 +988,18 @@ static inline struct device_node *of_find_matching_node(
return of_find_matching_node_and_match(from, matches, NULL);
}
+static inline const char *of_node_get_device_type(const struct device_node *np)
+{
+ return of_get_property(np, "type", NULL);
+}
+
+static inline bool of_node_is_type(const struct device_node *np, const char *type)
+{
+ const char *match = of_node_get_device_type(np);
+
+ return np && match && type && !strcmp(match, type);
+}
+
/**
* of_property_count_u8_elems - Count the number of u8 elements in a property
*