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V4L/DVB (8781): v4l2-dev: remove obsolete video_exclusive_open/release 

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2008-08-23 05:34:55 -03:00 committed by Mauro Carvalho Chehab
parent 7d43cd53c8
commit cb353588e1
2 changed files with 0 additions and 36 deletions
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30
drivers/media/video/v4l2-dev.c
View File

@ -141,34 +141,6 @@ static int video_open(struct inode *inode, struct file *file)
return err; return err;
} }
/*
* open/release helper functions -- handle exclusive opens
* Should be removed soon
*/
int video_exclusive_open(struct inode *inode, struct file *file)
{
struct video_device *vfl = video_devdata(file);
int retval = 0;
mutex_lock(&vfl->lock);
if (vfl->users)
retval = -EBUSY;
else
vfl->users++;
mutex_unlock(&vfl->lock);
return retval;
}
EXPORT_SYMBOL(video_exclusive_open);
int video_exclusive_release(struct inode *inode, struct file *file)
{
struct video_device *vfl = video_devdata(file);
vfl->users--;
return 0;
}
EXPORT_SYMBOL(video_exclusive_release);
/** /**
* get_index - assign stream number based on parent device * get_index - assign stream number based on parent device
* @vdev: video_device to assign index number to, vdev->dev should be assigned * @vdev: video_device to assign index number to, vdev->dev should be assigned
@ -320,8 +292,6 @@ int video_register_device_index(struct video_device *vfd, int type, int nr,
goto fail_minor; goto fail_minor;
} }
mutex_init(&vfd->lock);
/* sysfs class */ /* sysfs class */
memset(&vfd->dev, 0x00, sizeof(vfd->dev)); memset(&vfd->dev, 0x00, sizeof(vfd->dev));
vfd->dev.class = &video_class; vfd->dev.class = &video_class;

6
include/media/v4l2-dev.h
View File

@ -77,10 +77,6 @@ struct video_device
* Or use {pci|usb}_{get|set}_drvdata() directly. */ * Or use {pci|usb}_{get|set}_drvdata() directly. */
void *priv; void *priv;
#endif #endif
/* for videodev.c internal usage -- please don't touch */
int users; /* video_exclusive_{open|close} ... */
struct mutex lock; /* ... helper function uses these */
}; };
/* Class-dev to video-device */ /* Class-dev to video-device */
@ -111,8 +107,6 @@ static inline void video_set_drvdata(struct video_device *dev, void *data)
/* Obsolete stuff - Still needed for radio devices and obsolete drivers */ /* Obsolete stuff - Still needed for radio devices and obsolete drivers */
extern struct video_device* video_devdata(struct file*); extern struct video_device* video_devdata(struct file*);
extern int video_exclusive_open(struct inode *inode, struct file *file);
extern int video_exclusive_release(struct inode *inode, struct file *file);
#endif #endif
#endif /* _V4L2_DEV_H */ #endif /* _V4L2_DEV_H */