Hi Rework device init part. Move common code part to a function. Usefull for register multiple devices like video, radio, vbi etc. diff --git a/drivers/staging/tm6000/tm6000-video.c b/drivers/staging/tm6000/tm6000-video.c index 8fe017c..4d866cc 100644 --- a/drivers/staging/tm6000/tm6000-video.c +++ b/drivers/staging/tm6000/tm6000-video.c @@ -1450,29 +1450,55 @@ static struct video_device tm6000_template = { * ------------------------------------------------------------------ */ -int tm6000_v4l2_register(struct tm6000_core *dev) +static struct video_device *vdev_init(struct tm6000_core *dev, + const struct video_device + *template, const char *type_name) { - int ret = -1; struct video_device *vfd; vfd = video_device_alloc(); - if(!vfd) { + if (NULL == vfd) + return NULL; + + *vfd = *template; + vfd->v4l2_dev = &dev->v4l2_dev; + vfd->release = video_device_release; + vfd->debug = tm6000_debug; + vfd->lock = &dev->lock; + + snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); + + video_set_drvdata(vfd, dev); + return vfd; +} + +int tm6000_v4l2_register(struct tm6000_core *dev) +{ + int ret = -1; + + dev->vfd = vdev_init(dev, &tm6000_template, "video"); + + if (!dev->vfd) { + printk(KERN_INFO "%s: can't register video device\n", + dev->name); return -ENOMEM; } - dev->vfd = vfd; /* init video dma queues */ INIT_LIST_HEAD(&dev->vidq.active); INIT_LIST_HEAD(&dev->vidq.queued); - memcpy(dev->vfd, &tm6000_template, sizeof(*(dev->vfd))); - dev->vfd->debug = tm6000_debug; - dev->vfd->lock = &dev->lock; + ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr); - vfd->v4l2_dev = &dev->v4l2_dev; - video_set_drvdata(vfd, dev); + if (ret < 0) { + printk(KERN_INFO "%s: can't register video device\n", + dev->name); + return ret; + } + + printk(KERN_INFO "%s: registered device %s\n", + dev->name, video_device_node_name(dev->vfd)); - ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr); printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret); return ret; } Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@xxxxxxxxx> With my best regards, Dmitry.
diff --git a/drivers/staging/tm6000/tm6000-video.c b/drivers/staging/tm6000/tm6000-video.c index 8fe017c..4d866cc 100644 --- a/drivers/staging/tm6000/tm6000-video.c +++ b/drivers/staging/tm6000/tm6000-video.c @@ -1450,29 +1450,55 @@ static struct video_device tm6000_template = { * ------------------------------------------------------------------ */ -int tm6000_v4l2_register(struct tm6000_core *dev) +static struct video_device *vdev_init(struct tm6000_core *dev, + const struct video_device + *template, const char *type_name) { - int ret = -1; struct video_device *vfd; vfd = video_device_alloc(); - if(!vfd) { + if (NULL == vfd) + return NULL; + + *vfd = *template; + vfd->v4l2_dev = &dev->v4l2_dev; + vfd->release = video_device_release; + vfd->debug = tm6000_debug; + vfd->lock = &dev->lock; + + snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); + + video_set_drvdata(vfd, dev); + return vfd; +} + +int tm6000_v4l2_register(struct tm6000_core *dev) +{ + int ret = -1; + + dev->vfd = vdev_init(dev, &tm6000_template, "video"); + + if (!dev->vfd) { + printk(KERN_INFO "%s: can't register video device\n", + dev->name); return -ENOMEM; } - dev->vfd = vfd; /* init video dma queues */ INIT_LIST_HEAD(&dev->vidq.active); INIT_LIST_HEAD(&dev->vidq.queued); - memcpy(dev->vfd, &tm6000_template, sizeof(*(dev->vfd))); - dev->vfd->debug = tm6000_debug; - dev->vfd->lock = &dev->lock; + ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr); - vfd->v4l2_dev = &dev->v4l2_dev; - video_set_drvdata(vfd, dev); + if (ret < 0) { + printk(KERN_INFO "%s: can't register video device\n", + dev->name); + return ret; + } + + printk(KERN_INFO "%s: registered device %s\n", + dev->name, video_device_node_name(dev->vfd)); - ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr); printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret); return ret; } Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@xxxxxxxxx>