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Commit 0413beda authored by Rob Herring's avatar Rob Herring
Browse files

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: default avatarRob Herring <robh@kernel.org>
parent f42b0e18

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

 *