V4L/DVB (11295): cx23885: convert to v4l2_device.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx23885/cx23885-core.c

@@ -1739,16 +1739,20 @@ static int __devinit cx23885_initdev(struct pci_dev *pci_dev,
 	if (NULL == dev)
 		return -ENOMEM;
 
+	err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
+	if (err < 0)
+		goto fail_free;
+
 	/* pci init */
 	dev->pci = pci_dev;
 	if (pci_enable_device(pci_dev)) {
 		err = -EIO;
-		goto fail_free;
+		goto fail_unreg;
 	}
 
 	if (cx23885_dev_setup(dev) < 0) {
 		err = -EINVAL;
-		goto fail_free;
+		goto fail_unreg;
 	}
 
 	/* print pci info */
@@ -1775,8 +1779,6 @@ static int __devinit cx23885_initdev(struct pci_dev *pci_dev,
 		goto fail_irq;
 	}
 
-	pci_set_drvdata(pci_dev, dev);
-
 	switch (dev->board) {
 	case CX23885_BOARD_NETUP_DUAL_DVBS2_CI:
 		cx_set(PCI_INT_MSK, 0x01800000); /* for NetUP */
@@ -1787,6 +1789,8 @@ static int __devinit cx23885_initdev(struct pci_dev *pci_dev,
 
 fail_irq:
 	cx23885_dev_unregister(dev);
+fail_unreg:
+	v4l2_device_unregister(&dev->v4l2_dev);
 fail_free:
 	kfree(dev);
 	return err;
@@ -1794,7 +1798,8 @@ static int __devinit cx23885_initdev(struct pci_dev *pci_dev,
 
 static void __devexit cx23885_finidev(struct pci_dev *pci_dev)
 {
-	struct cx23885_dev *dev = pci_get_drvdata(pci_dev);
+	struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
+	struct cx23885_dev *dev = to_cx23885(v4l2_dev);
 
 	cx23885_shutdown(dev);
 
@@ -1802,13 +1807,13 @@ static void __devexit cx23885_finidev(struct pci_dev *pci_dev)
 
 	/* unregister stuff */
 	free_irq(pci_dev->irq, dev);
-	pci_set_drvdata(pci_dev, NULL);
 
 	mutex_lock(&devlist);
 	list_del(&dev->devlist);
 	mutex_unlock(&devlist);
 
 	cx23885_dev_unregister(dev);
+	v4l2_device_unregister(v4l2_dev);
 	kfree(dev);
 }
 

drivers/media/video/cx23885/cx23885-i2c.c

@@ -270,8 +270,8 @@ static int i2c_xfer(struct i2c_adapter *i2c_adap,
 
 static int attach_inform(struct i2c_client *client)
 {
-	struct cx23885_i2c *bus = i2c_get_adapdata(client->adapter);
-	struct cx23885_dev *dev = bus->dev;
+	struct v4l2_device *v4l2_dev = i2c_get_adapdata(client->adapter);
+	struct cx23885_dev *dev = to_cx23885(v4l2_dev);
 	struct tuner_setup tun_setup;
 
 	dprintk(1, "%s i2c attach [addr=0x%x,client=%s]\n",
@@ -310,7 +310,8 @@ static int attach_inform(struct i2c_client *client)
 
 static int detach_inform(struct i2c_client *client)
 {
-	struct cx23885_dev *dev = i2c_get_adapdata(client->adapter);
+	struct v4l2_device *v4l2_dev = i2c_get_adapdata(client->adapter);
+	struct cx23885_dev *dev = to_cx23885(v4l2_dev);
 
 	dprintk(1, "i2c detach [client=%s]\n", client->name);
 
@@ -402,7 +403,7 @@ int cx23885_i2c_register(struct cx23885_i2c *bus)
 
 	bus->i2c_algo.data = bus;
 	bus->i2c_adap.algo_data = bus;
-	i2c_set_adapdata(&bus->i2c_adap, bus);
+	i2c_set_adapdata(&bus->i2c_adap, &dev->v4l2_dev);
 	i2c_add_adapter(&bus->i2c_adap);
 
 	bus->i2c_client.adapter = &bus->i2c_adap;

drivers/media/video/cx23885/cx23885-video.c

@@ -320,8 +320,8 @@ static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
 	if (NULL == vfd)
 		return NULL;
 	*vfd = *template;
-	vfd->minor   = -1;
-	vfd->parent  = &pci->dev;
+	vfd->minor = -1;
+	vfd->v4l2_dev = &dev->v4l2_dev;
 	vfd->release = video_device_release;
 	snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
 		 dev->name, type, cx23885_boards[dev->board].name);

drivers/media/video/cx23885/cx23885.h

@@ -24,7 +24,7 @@
 #include <linux/i2c-algo-bit.h>
 #include <linux/kdev_t.h>
 
-#include <media/v4l2-common.h>
+#include <media/v4l2-device.h>
 #include <media/tuner.h>
 #include <media/tveeprom.h>
 #include <media/videobuf-dma-sg.h>
@@ -277,6 +277,7 @@ struct cx23885_tsport {
 struct cx23885_dev {
 	struct list_head           devlist;
 	atomic_t                   refcount;
+	struct v4l2_device 	   v4l2_dev;
 
 	/* pci stuff */
 	struct pci_dev             *pci;
@@ -342,6 +343,11 @@ struct cx23885_dev {
 
 };
 
+static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
+{
+	return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
+}
+
 extern struct list_head cx23885_devlist;
 
 #define SRAM_CH01  0 /* Video A */