diff options
Diffstat (limited to 'drivers/video/fbdev/core')
| -rw-r--r-- | drivers/video/fbdev/core/Makefile | 7 | ||||
| -rw-r--r-- | drivers/video/fbdev/core/fb_internal.h | 38 |
2 files changed, 42 insertions, 3 deletions
diff --git a/drivers/video/fbdev/core/Makefile b/drivers/video/fbdev/core/Makefile index eea5938f7423..9150bafd9e89 100644 --- a/drivers/video/fbdev/core/Makefile +++ b/drivers/video/fbdev/core/Makefile @@ -2,12 +2,13 @@ obj-$(CONFIG_FB_NOTIFY) += fb_notify.o obj-$(CONFIG_FB) += fb.o fb-y := fb_backlight.o \ - fb_chrdev.o \ fb_info.o \ - fb_procfs.o \ - fbmem.o fbmon.o fbcmap.o fbsysfs.o \ + fbmem.o fbmon.o fbcmap.o \ modedb.o fbcvt.o fb_cmdline.o fb_io_fops.o fb-$(CONFIG_FB_DEFERRED_IO) += fb_defio.o +fb-$(CONFIG_FB_DEVICE) += fb_chrdev.o \ + fb_procfs.o \ + fbsysfs.o ifeq ($(CONFIG_FRAMEBUFFER_CONSOLE),y) fb-y += fbcon.o bitblit.o softcursor.o diff --git a/drivers/video/fbdev/core/fb_internal.h b/drivers/video/fbdev/core/fb_internal.h index 0b43c0cd5096..4c8d509a0026 100644 --- a/drivers/video/fbdev/core/fb_internal.h +++ b/drivers/video/fbdev/core/fb_internal.h @@ -3,12 +3,22 @@ #ifndef _FB_INTERNAL_H #define _FB_INTERNAL_H +#include <linux/device.h> #include <linux/fb.h> #include <linux/mutex.h> /* fb_devfs.c */ +#if defined(CONFIG_FB_DEVICE) int fb_register_chrdev(void); void fb_unregister_chrdev(void); +#else +static inline int fb_register_chrdev(void) +{ + return 0; +} +static inline void fb_unregister_chrdev(void) +{ } +#endif /* fbmem.c */ extern struct class *fb_class; @@ -19,11 +29,39 @@ struct fb_info *get_fb_info(unsigned int idx); void put_fb_info(struct fb_info *fb_info); /* fb_procfs.c */ +#if defined(CONFIG_FB_DEVICE) int fb_init_procfs(void); void fb_cleanup_procfs(void); +#else +static inline int fb_init_procfs(void) +{ + return 0; +} +static inline void fb_cleanup_procfs(void) +{ } +#endif /* fbsysfs.c */ +#if defined(CONFIG_FB_DEVICE) int fb_device_create(struct fb_info *fb_info); void fb_device_destroy(struct fb_info *fb_info); +#else +static inline int fb_device_create(struct fb_info *fb_info) +{ + /* + * Acquire a reference on the parent device to avoid + * unplug operations behind our back. With the fbdev + * device enabled, this is performed within register_device(). + */ + get_device(fb_info->device); + + return 0; +} +static inline void fb_device_destroy(struct fb_info *fb_info) +{ + /* Undo the get_device() from fb_device_create() */ + put_device(fb_info->device); +} +#endif #endif |