mirror of https://gitee.com/openkylin/linux.git
[media] tm6000: don't use BKL at the driver
Instead, use core lock handling. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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efba4bc12c
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@ -909,8 +909,6 @@ static void tm6000_usb_disconnect(struct usb_interface *interface)
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printk(KERN_INFO "tm6000: disconnecting %s\n", dev->name);
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mutex_lock(&dev->lock);
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tm6000_ir_fini(dev);
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if (dev->gpio.power_led) {
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@ -945,7 +943,6 @@ static void tm6000_usb_disconnect(struct usb_interface *interface)
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tm6000_close_extension(dev);
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tm6000_remove_from_devlist(dev);
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mutex_unlock(&dev->lock);
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kfree(dev);
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}
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@ -313,10 +313,8 @@ int tm6000_init_analog_mode(struct tm6000_core *dev)
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* beginning, we needed to add this hack. The better would be to
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* discover some way to make tm6000 to wake up without this hack.
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*/
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mutex_lock(&dev->lock);
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f.frequency = dev->freq;
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v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f);
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mutex_unlock(&dev->lock);
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msleep(100);
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tm6000_set_standard(dev, &dev->norm);
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@ -791,16 +791,11 @@ static struct videobuf_queue_ops tm6000_video_qops = {
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static int res_get(struct tm6000_core *dev, struct tm6000_fh *fh)
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{
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/* is it free? */
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mutex_lock(&dev->lock);
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if (dev->resources) {
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/* no, someone else uses it */
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mutex_unlock(&dev->lock);
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if (dev->resources)
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return 0;
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}
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/* it's free, grab it */
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dev->resources =1;
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dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n");
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mutex_unlock(&dev->lock);
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return 1;
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}
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@ -811,10 +806,8 @@ static int res_locked(struct tm6000_core *dev)
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static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh)
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{
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mutex_lock(&dev->lock);
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dev->resources = 0;
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dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n");
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mutex_unlock(&dev->lock);
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}
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/* ------------------------------------------------------------------
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@ -1229,10 +1222,8 @@ static int vidioc_s_frequency (struct file *file, void *priv,
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if (unlikely(f->tuner != 0))
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return -EINVAL;
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// mutex_lock(&dev->lock);
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dev->freq = f->frequency;
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v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f);
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// mutex_unlock(&dev->lock);
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return 0;
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}
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@ -1308,7 +1299,7 @@ static int tm6000_open(struct file *file)
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NULL, &dev->slock,
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fh->type,
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V4L2_FIELD_INTERLACED,
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sizeof(struct tm6000_buffer), fh, NULL);
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sizeof(struct tm6000_buffer), fh, &dev->lock);
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return 0;
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}
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@ -1389,7 +1380,7 @@ static struct v4l2_file_operations tm6000_fops = {
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.owner = THIS_MODULE,
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.open = tm6000_open,
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.release = tm6000_release,
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.ioctl = video_ioctl2, /* V4L2 ioctl handler */
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.unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */
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.read = tm6000_read,
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.poll = tm6000_poll,
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.mmap = tm6000_mmap,
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@ -1451,8 +1442,10 @@ int tm6000_v4l2_register(struct tm6000_core *dev)
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INIT_LIST_HEAD(&dev->vidq.active);
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INIT_LIST_HEAD(&dev->vidq.queued);
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memcpy (dev->vfd, &tm6000_template, sizeof(*(dev->vfd)));
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dev->vfd->debug=tm6000_debug;
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memcpy(dev->vfd, &tm6000_template, sizeof(*(dev->vfd)));
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dev->vfd->debug = tm6000_debug;
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dev->vfd->lock = &dev->lock;
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vfd->v4l2_dev = &dev->v4l2_dev;
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video_set_drvdata(vfd, dev);
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