[media] saa7164: add v4l2_device and replace parent with v4l2_dev

This driver did not yet support struct v4l2_device, so add it. This
make it possible to replace the deprecated parent field with the
v4l2_dev field, allowing the eventual removal of the parent field.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

4 files changed, 12 insertions, 2 deletions

diff --git a/drivers/media/pci/saa7164/saa7164-core.c b/drivers/media/pci/saa7164/saa7164-core.c
index 7618fdae811e..5d27865784c5 100644
--- a/drivers/media/pci/saa7164/saa7164-core.c
+++ b/drivers/media/pci/saa7164/saa7164-core.c
@@ -1196,6 +1196,11 @@ static int saa7164_initdev(struct pci_dev *pci_dev,
         if (NULL == dev)
                 return -ENOMEM;
 
+        if (v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev)) {
+                dev_err(&pci_dev->dev, "v4l2_device_register failed\n");
+                goto fail_free;
+        }
+
         /* pci init */
         dev->pci = pci_dev;
         if (pci_enable_device(pci_dev)) {
@@ -1367,6 +1372,7 @@ fail_fw:
 fail_irq:
         saa7164_dev_unregister(dev);
 fail_free:
+        v4l2_device_unregister(&dev->v4l2_dev);
         kfree(dev);
         return err;
 }
@@ -1439,6 +1445,7 @@ static void saa7164_finidev(struct pci_dev *pci_dev)
         mutex_unlock(&devlist);
 
         saa7164_dev_unregister(dev);
+        v4l2_device_unregister(&dev->v4l2_dev);
         kfree(dev);
 }
 
diff --git a/drivers/media/pci/saa7164/saa7164-encoder.c b/drivers/media/pci/saa7164/saa7164-encoder.c
index 7b7ed97b8503..9266965412c3 100644
--- a/drivers/media/pci/saa7164/saa7164-encoder.c
+++ b/drivers/media/pci/saa7164/saa7164-encoder.c
@@ -1348,7 +1348,7 @@ static struct video_device *saa7164_encoder_alloc(
         snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name,
                 type, saa7164_boards[dev->board].name);
 
-        vfd->parent  = &pci->dev;
+        vfd->v4l2_dev  = &dev->v4l2_dev;
         vfd->release = video_device_release;
         return vfd;
 }
diff --git a/drivers/media/pci/saa7164/saa7164-vbi.c b/drivers/media/pci/saa7164/saa7164-vbi.c
index 552c01ad9f63..6e025fea2542 100644
--- a/drivers/media/pci/saa7164/saa7164-vbi.c
+++ b/drivers/media/pci/saa7164/saa7164-vbi.c
@@ -1297,7 +1297,7 @@ static struct video_device *saa7164_vbi_alloc(
         snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name,
                 type, saa7164_boards[dev->board].name);
 
-        vfd->parent  = &pci->dev;
+        vfd->v4l2_dev  = &dev->v4l2_dev;
         vfd->release = video_device_release;
         return vfd;
 }
diff --git a/drivers/media/pci/saa7164/saa7164.h b/drivers/media/pci/saa7164/saa7164.h
index 2df47ea28289..8b29e8990301 100644
--- a/drivers/media/pci/saa7164/saa7164.h
+++ b/drivers/media/pci/saa7164/saa7164.h
@@ -63,6 +63,7 @@
 #include <dmxdev.h>
 #include <media/v4l2-common.h>
 #include <media/v4l2-ioctl.h>
+#include <media/v4l2-device.h>
 
 #include "saa7164-reg.h"
 #include "saa7164-types.h"
@@ -427,6 +428,8 @@ struct saa7164_dev {
         struct list_head        devlist;
         atomic_t                refcount;
 
+        struct v4l2_device v4l2_dev;
+
         /* pci stuff */
         struct pci_dev  *pci;
         unsigned char   pci_rev, pci_lat;