of: Add device_type access helper functions (0413beda) · Commits · 戴 / test

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>

include/linux/of.h

+12 −0

Original line number	Diff line number	Diff line
		@@ -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
		*

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