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ARM: OMAP2+: display: Create omap_vout device inside omap_display_init

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Move omap_vout device creation inside the omap_display_init so that we can
correctly create the device based on the presence of omapdss within the
platform.

For example, on a kernel image supporting multiple platforms, omap_init_vout
will create a omapdrm platform device on a AM33xx platform even though it
doesn't have a DSS block.

Signed-off-by: Archit Taneja <archit@ti.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Archit Taneja 2013-09-16 12:48:31 +05:30 committed by Tony Lindgren
parent fc8df75217
commit 576e5bda70
3 changed files with 13 additions and 5 deletions
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10
arch/arm/mach-omap2/devices.c
View file

@ -37,6 +37,7 @@
#include "mux.h"
#include "control.h"
#include "devices.h"
#include "display.h"
#define L3_MODULES_MAX_LEN 12
#define L3_MODULES 3
@ -466,13 +467,13 @@ static struct platform_device omap_vout_device = {
.resource = &omap_vout_resource[0],
.id = -1,
};
static void omap_init_vout(void)
int __init omap_init_vout(void)
{
if (platform_device_register(&omap_vout_device) < 0)
printk(KERN_ERR "Unable to register OMAP-VOUT device\n");
return platform_device_register(&omap_vout_device);
}
#else
static inline void omap_init_vout(void) {}
int __init omap_init_vout(void) { return 0; }
#endif
#if IS_ENABLED(CONFIG_WL12XX)
@ -536,7 +537,6 @@ static int __init omap2_init_devices(void)
omap_init_wl12xx_of();
}
omap_init_sti();
omap_init_vout();
return 0;
}

7
arch/arm/mach-omap2/display.c
View file

@ -437,6 +437,13 @@ int __init omap_display_init(struct omap_dss_board_info *board_data)
return r;
}
/* create V4L2 display device */
r = omap_init_vout();
if (r < 0) {
pr_err("Unable to register omap_vout device\n");
return r;
}
return 0;
}

1
arch/arm/mach-omap2/display.h
View file

@ -29,4 +29,5 @@ struct omap_dss_dispc_dev_attr {
int omap_init_drm(void);
int omap_init_vrfb(void);
int omap_init_fb(void);
int omap_init_vout(void);
#endif