diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2009-02-07 20:42:33 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 12:42:42 -0300 |
| commit | 230b65f9945b468c23188572144b4f066af8f98c (patch) | |
| tree | a5d7da48908defc6e602a80c932fd06b9f8b7abd | |
| parent | eae4d69b6a337d29060dcad3a4e19e3e8ace3e70 (diff) | |
V4L/DVB (10502): saa7146: move v4l2 device registration to saa7146_vv.
Doing the v4l2_device registration in the saa7146 core will make it
dependent on v4l2, even for DVB-only boards. This registration and
unregistration belongs in saa7146_vv instead.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/common/saa7146_core.c | 14 | ||||
| -rw-r--r-- | drivers/media/common/saa7146_fops.c | 11 |
2 files changed, 16 insertions, 9 deletions
diff --git a/drivers/media/common/saa7146_core.c b/drivers/media/common/saa7146_core.c index a123844eb65..982f000a57f 100644 --- a/drivers/media/common/saa7146_core.c +++ b/drivers/media/common/saa7146_core.c @@ -363,16 +363,13 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent ERR(("out of memory.\n")); goto out; } - err = v4l2_device_register(&pci->dev, &dev->v4l2_dev); - if (err) - goto err_free; DEB_EE(("pci:%p\n",pci)); err = pci_enable_device(pci); if (err < 0) { ERR(("pci_enable_device() failed.\n")); - goto err_unreg; + goto err_free; } /* enable bus-mastering */ @@ -480,6 +477,10 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent DEB_D(("ext->attach() failed for %p. skipping device.\n",dev)); goto err_free_i2c; } + /* V4L extensions will set the pci drvdata to the v4l2_device in the + attach() above. So for those cards that do not use V4L we have to + set it explicitly. */ + pci_set_drvdata(pci, &dev->v4l2_dev); INIT_LIST_HEAD(&dev->item); list_add_tail(&dev->item,&saa7146_devices); @@ -506,8 +507,6 @@ err_release: pci_release_region(pci, 0); err_disable: pci_disable_device(pci); -err_unreg: - v4l2_device_unregister(&dev->v4l2_dev); err_free: kfree(dev); goto out; @@ -530,7 +529,8 @@ static void saa7146_remove_one(struct pci_dev *pdev) DEB_EE(("dev:%p\n",dev)); dev->ext->detach(dev); - v4l2_device_unregister(&dev->v4l2_dev); + /* Zero the PCI drvdata after use. */ + pci_set_drvdata(pdev, NULL); /* shut down all video dma transfers */ saa7146_write(dev, MC1, 0x00ff0000); diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c index fec799d2600..620f655fa9c 100644 --- a/drivers/media/common/saa7146_fops.c +++ b/drivers/media/common/saa7146_fops.c @@ -446,11 +446,17 @@ static void vv_callback(struct saa7146_dev *dev, unsigned long status) int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) { - struct saa7146_vv *vv = kzalloc(sizeof(struct saa7146_vv), GFP_KERNEL); + struct saa7146_vv *vv; + int err; + + err = v4l2_device_register(&dev->pci->dev, &dev->v4l2_dev); + if (err) + return err; + vv = kzalloc(sizeof(struct saa7146_vv), GFP_KERNEL); if (vv == NULL) { ERR(("out of memory. aborting.\n")); - return -1; + return -ENOMEM; } ext_vv->ops = saa7146_video_ioctl_ops; ext_vv->core_ops = &saa7146_video_ioctl_ops; @@ -496,6 +502,7 @@ int saa7146_vv_release(struct saa7146_dev* dev) DEB_EE(("dev:%p\n",dev)); + v4l2_device_unregister(&dev->v4l2_dev); pci_free_consistent(dev->pci, SAA7146_CLIPPING_MEM, vv->d_clipping.cpu_addr, vv->d_clipping.dma_handle); kfree(vv); dev->vv_data = NULL; |