[media] saa7146: Convert from .ioctl to .unlocked_ioctl
Convert saa7146 to use core-assisted locking.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c
index e3fedc6..1bd3dd7 100644
--- a/drivers/media/common/saa7146_fops.c
+++ b/drivers/media/common/saa7146_fops.c
@@ -15,18 +15,15 @@
}
/* is it free? */
- mutex_lock(&dev->lock);
if (vv->resources & bit) {
DEB_D(("locked! vv->resources:0x%02x, we want:0x%02x\n",vv->resources,bit));
/* no, someone else uses it */
- mutex_unlock(&dev->lock);
return 0;
}
/* it's free, grab it */
fh->resources |= bit;
vv->resources |= bit;
DEB_D(("res: get 0x%02x, cur:0x%02x\n",bit,vv->resources));
- mutex_unlock(&dev->lock);
return 1;
}
@@ -37,11 +34,9 @@
BUG_ON((fh->resources & bits) != bits);
- mutex_lock(&dev->lock);
fh->resources &= ~bits;
vv->resources &= ~bits;
DEB_D(("res: put 0x%02x, cur:0x%02x\n",bits,vv->resources));
- mutex_unlock(&dev->lock);
}
@@ -396,7 +391,7 @@
.write = fops_write,
.poll = fops_poll,
.mmap = fops_mmap,
- .ioctl = video_ioctl2,
+ .unlocked_ioctl = video_ioctl2,
};
static void vv_callback(struct saa7146_dev *dev, unsigned long status)
@@ -505,6 +500,7 @@
vfd->fops = &video_fops;
vfd->ioctl_ops = &dev->ext_vv_data->ops;
vfd->release = video_device_release;
+ vfd->lock = &dev->v4l2_lock;
vfd->tvnorms = 0;
for (i = 0; i < dev->ext_vv_data->num_stds; i++)
vfd->tvnorms |= dev->ext_vv_data->stds[i].id;