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Commit f5a000c9 authored by Laurent Pinchart's avatar Laurent Pinchart
Browse files

video: of: Constify node argument to display timing functions 



The node pointer passed to the display timing functions is never
modified, make it const.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: default avatarGustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
parent 1001354c

drivers/video/of_display_timing.c

+3 −3
Original line number Diff line number Diff line
@@ -110,7 +110,7 @@ static int of_parse_display_timing(const struct device_node *np, 
 * @name: name of the timing node

 * @dt: display_timing struct to fill

 **/

int of_get_display_timing(struct device_node *np, const char *name,

int of_get_display_timing(const struct device_node *np, const char *name,

		struct display_timing *dt)

{

	struct device_node *timing_np;
@@ -133,7 +133,7 @@ EXPORT_SYMBOL_GPL(of_get_display_timing); 
 * of_get_display_timings - parse all display_timing entries from a device_node

 * @np: device_node with the subnodes

 **/

struct display_timings *of_get_display_timings(struct device_node *np)

struct display_timings *of_get_display_timings(const struct device_node *np)

{

	struct device_node *timings_np;

	struct device_node *entry;
@@ -249,7 +249,7 @@ EXPORT_SYMBOL_GPL(of_get_display_timings); 
 * of_display_timings_exist - check if a display-timings node is provided

 * @np: device_node with the timing

 **/

int of_display_timings_exist(struct device_node *np)

int of_display_timings_exist(const struct device_node *np)

{

	struct device_node *timings_np;

include/video/of_display_timing.h

+8 −7
Original line number Diff line number Diff line
@@ -16,21 +16,22 @@ struct display_timings; 
#define OF_USE_NATIVE_MODE -1



#ifdef CONFIG_OF

int of_get_display_timing(struct device_node *np, const char *name,

int of_get_display_timing(const struct device_node *np, const char *name,

		struct display_timing *dt);

struct display_timings *of_get_display_timings(struct device_node *np);

int of_display_timings_exist(struct device_node *np);

struct display_timings *of_get_display_timings(const struct device_node *np);

int of_display_timings_exist(const struct device_node *np);

#else

static inline int of_get_display_timing(struct device_node *np, const char *name,

		struct display_timing *dt)

static inline int of_get_display_timing(const struct device_node *np,

		const char *name, struct display_timing *dt)

{

	return -ENOSYS;

}

static inline struct display_timings *of_get_display_timings(struct device_node *np)

static inline struct display_timings *

of_get_display_timings(const struct device_node *np)

{

	return NULL;

}

static inline int of_display_timings_exist(struct device_node *np)

static inline int of_display_timings_exist(const struct device_node *np)

{

	return -ENOSYS;

}