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videomode: provide dummy inline functions for !CONFIG_OF

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If CONFIG_OF is disabled but we build any driver that tries to
use of_get_display_timing, we get this link error:

ERROR: "of_get_display_timing" [drivers/gpu/drm/rcar-du/rcar-du-drm.ko] undefined!

This adds an empty inline function as an alternative, to avoid changing
each driver using this function when we want to build them without
CONFIG_OF.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen 2014-10-06 15:03:57 +03:00
parent 2d60545643
commit 422b67e0b3
1 changed files with 16 additions and 0 deletions
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16
include/video/of_display_timing.h
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@ -15,9 +15,25 @@ struct display_timings;
#define OF_USE_NATIVE_MODE -1
#ifdef CONFIG_OF
int of_get_display_timing(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);
#else
static inline int of_get_display_timing(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)
{
return NULL;
}
static inline int of_display_timings_exist(struct device_node *np)
{
return -ENOSYS;
}
#endif
#endif