V4L/DVB (10280): cx18: Rename structure members: dev to pci_dev and v4l2dev to video_dev

Renamed structure member name to be more specific to type in anticipation
of updating to the v4l2_device/v4l2_subdev framework.  Too many objects named
"dev" and /v4l2_\{0,1\}dev/ would be to confusing.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx18/cx18-av-firmware.c

@@ -36,7 +36,7 @@ int cx18_av_loadfw(struct cx18 *cx)
 	int i;
 	int retries1 = 0;
 
-	if (request_firmware(&fw, FWFILE, &cx->dev->dev) != 0) {
+	if (request_firmware(&fw, FWFILE, &cx->pci_dev->dev) != 0) {
 		CX18_ERR("unable to open firmware %s\n", FWFILE);
 		return -EINVAL;
 	}

drivers/media/video/cx18/cx18-driver.c

@@ -502,7 +502,7 @@ static void cx18_process_options(struct cx18 *cx)
 	else if (cx->options.cardtype != 0)
 		CX18_ERR("Unknown user specified type, trying to autodetect card\n");
 	if (cx->card == NULL) {
-		if (cx->dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) {
+		if (cx->pci_dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) {
 			cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
 			CX18_INFO("Autodetected Hauppauge card\n");
 		}
@@ -512,13 +512,13 @@ static void cx18_process_options(struct cx18 *cx)
 			if (cx->card->pci_list == NULL)
 				continue;
 			for (j = 0; cx->card->pci_list[j].device; j++) {
-				if (cx->dev->device !=
+				if (cx->pci_dev->device !=
 				    cx->card->pci_list[j].device)
 					continue;
-				if (cx->dev->subsystem_vendor !=
+				if (cx->pci_dev->subsystem_vendor !=
 				    cx->card->pci_list[j].subsystem_vendor)
 					continue;
-				if (cx->dev->subsystem_device !=
+				if (cx->pci_dev->subsystem_device !=
 				    cx->card->pci_list[j].subsystem_device)
 					continue;
 				CX18_INFO("Autodetected %s card\n", cx->card->name);
@@ -531,9 +531,10 @@ done:
 	if (cx->card == NULL) {
 		cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
 		CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
-		     cx->dev->vendor, cx->dev->device);
+			 cx->pci_dev->vendor, cx->pci_dev->device);
 		CX18_ERR("              subsystem vendor/device: [%04x:%04x]\n",
-		     cx->dev->subsystem_vendor, cx->dev->subsystem_device);
+			 cx->pci_dev->subsystem_vendor,
+			 cx->pci_dev->subsystem_device);
 		CX18_ERR("Defaulting to %s card\n", cx->card->name);
 		CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
 		CX18_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n");
@@ -553,7 +554,7 @@ static int __devinit cx18_init_struct1(struct cx18 *cx)
 {
 	int i;
 
-	cx->base_addr = pci_resource_start(cx->dev, 0);
+	cx->base_addr = pci_resource_start(cx->pci_dev, 0);
 
 	mutex_init(&cx->serialize_lock);
 	mutex_init(&cx->i2c_bus_lock[0]);
@@ -676,7 +677,7 @@ static void __devinit cx18_init_struct2(struct cx18 *cx)
 	cx->av_state.vbi_line_offset = 8;
 }
 
-static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev,
+static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev,
 			  const struct pci_device_id *pci_id)
 {
 	u16 cmd;
@@ -684,11 +685,11 @@ static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev,
 
 	CX18_DEBUG_INFO("Enabling pci device\n");
 
-	if (pci_enable_device(dev)) {
+	if (pci_enable_device(pci_dev)) {
 		CX18_ERR("Can't enable device %d!\n", cx->num);
 		return -EIO;
 	}
-	if (pci_set_dma_mask(dev, 0xffffffff)) {
+	if (pci_set_dma_mask(pci_dev, 0xffffffff)) {
 		CX18_ERR("No suitable DMA available on card %d.\n", cx->num);
 		return -EIO;
 	}
@@ -698,25 +699,25 @@ static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev,
 	}
 
 	/* Enable bus mastering and memory mapped IO for the CX23418 */
-	pci_read_config_word(dev, PCI_COMMAND, &cmd);
+	pci_read_config_word(pci_dev, PCI_COMMAND, &cmd);
 	cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
-	pci_write_config_word(dev, PCI_COMMAND, cmd);
+	pci_write_config_word(pci_dev, PCI_COMMAND, cmd);
 
-	pci_read_config_byte(dev, PCI_CLASS_REVISION, &cx->card_rev);
-	pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency);
+	pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &cx->card_rev);
+	pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
 
 	if (pci_latency < 64 && cx18_pci_latency) {
 		CX18_INFO("Unreasonably low latency timer, "
 			       "setting to 64 (was %d)\n", pci_latency);
-		pci_write_config_byte(dev, PCI_LATENCY_TIMER, 64);
-		pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency);
+		pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, 64);
+		pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
 	}
 
 	CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, "
 		   "irq: %d, latency: %d, memory: 0x%lx\n",
-		   cx->dev->device, cx->card_rev, dev->bus->number,
-		   PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn),
-		   cx->dev->irq, pci_latency, (unsigned long)cx->base_addr);
+		   cx->pci_dev->device, cx->card_rev, pci_dev->bus->number,
+		   PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn),
+		   cx->pci_dev->irq, pci_latency, (unsigned long)cx->base_addr);
 
 	return 0;
 }
@@ -771,7 +772,7 @@ static void cx18_load_and_init_modules(struct cx18 *cx)
 	hw = cx->hw_flags;
 }
 
-static int __devinit cx18_probe(struct pci_dev *dev,
+static int __devinit cx18_probe(struct pci_dev *pci_dev,
 				const struct pci_device_id *pci_id)
 {
 	int retval = 0;
@@ -796,7 +797,7 @@ static int __devinit cx18_probe(struct pci_dev *dev,
 		return -ENOMEM;
 	}
 	cx18_cards[cx18_cards_active] = cx;
-	cx->dev = dev;
+	cx->pci_dev = pci_dev;
 	cx->num = cx18_cards_active++;
 	snprintf(cx->name, sizeof(cx->name), "cx18-%d", cx->num);
 	CX18_INFO("Initializing card #%d\n", cx->num);
@@ -816,12 +817,12 @@ static int __devinit cx18_probe(struct pci_dev *dev,
 	CX18_DEBUG_INFO("base addr: 0x%08x\n", cx->base_addr);
 
 	/* PCI Device Setup */
-	retval = cx18_setup_pci(cx, dev, pci_id);
+	retval = cx18_setup_pci(cx, pci_dev, pci_id);
 	if (retval != 0)
 		goto free_workqueue;
 
 	/* save cx in the pci struct for later use */
-	pci_set_drvdata(dev, cx);
+	pci_set_drvdata(pci_dev, cx);
 
 	/* map io memory */
 	CX18_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
@@ -881,7 +882,7 @@ static int __devinit cx18_probe(struct pci_dev *dev,
 	cx18_init_scb(cx);
 
 	/* Register IRQ */
-	retval = request_irq(cx->dev->irq, cx18_irq_handler,
+	retval = request_irq(cx->pci_dev->irq, cx18_irq_handler,
 			     IRQF_SHARED | IRQF_DISABLED, cx->name, (void *)cx);
 	if (retval) {
 		CX18_ERR("Failed to register irq %d\n", retval);
@@ -992,7 +993,7 @@ static int __devinit cx18_probe(struct pci_dev *dev,
 free_streams:
 	cx18_streams_cleanup(cx, 1);
 free_irq:
-	free_irq(cx->dev->irq, (void *)cx);
+	free_irq(cx->pci_dev->irq, (void *)cx);
 free_i2c:
 	exit_cx18_i2c(cx);
 free_map:
@@ -1128,13 +1129,13 @@ static void cx18_remove(struct pci_dev *pci_dev)
 
 	exit_cx18_i2c(cx);
 
-	free_irq(cx->dev->irq, (void *)cx);
+	free_irq(cx->pci_dev->irq, (void *)cx);
 
 	cx18_iounmap(cx);
 
 	release_mem_region(cx->base_addr, CX18_MEM_SIZE);
 
-	pci_disable_device(cx->dev);
+	pci_disable_device(cx->pci_dev);
 
 	CX18_INFO("Removed %s, card #%d\n", cx->card_name, cx->num);
 }

drivers/media/video/cx18/cx18-driver.h

@@ -279,7 +279,7 @@ struct cx18_epu_work_order {
 struct cx18_stream {
 	/* These first four fields are always set, even if the stream
 	   is not actually created. */
-	struct video_device *v4l2dev;	/* NULL when stream not created */
+	struct video_device *video_dev;	/* NULL when stream not created */
 	struct cx18 *cx; 		/* for ease of use */
 	const char *name;		/* name of the stream */
 	int type;			/* stream type */
@@ -385,7 +385,7 @@ struct cx18_i2c_algo_callback_data {
 struct cx18 {
 	int num;		/* board number, -1 during init! */
 	char name[8];		/* board name for printk and interrupts (e.g. 'cx180') */
-	struct pci_dev *dev;	/* PCI device */
+	struct pci_dev *pci_dev;
 	const struct cx18_card *card;	/* card information */
 	const char *card_name;  /* full name of the card */
 	const struct cx18_card_tuner_i2c *card_i2c; /* i2c addresses to probe for tuner */

drivers/media/video/cx18/cx18-dvb.c

@@ -167,7 +167,7 @@ int cx18_dvb_register(struct cx18_stream *stream)
 
 	ret = dvb_register_adapter(&dvb->dvb_adapter,
 			CX18_DRIVER_NAME,
-			THIS_MODULE, &cx->dev->dev, adapter_nr);
+			THIS_MODULE, &cx->pci_dev->dev, adapter_nr);
 	if (ret < 0)
 		goto err_out;
 

drivers/media/video/cx18/cx18-fileops.c

@@ -665,7 +665,7 @@ int cx18_v4l2_open(struct file *filp)
 			if (cx18_cards[x] == NULL)
 				continue;
 			s = &cx18_cards[x]->streams[y];
-			if (s->v4l2dev && s->v4l2dev->minor == minor) {
+			if (s->video_dev && s->video_dev->minor == minor) {
 				cx = cx18_cards[x];
 				break;
 			}

drivers/media/video/cx18/cx18-firmware.c

@@ -107,7 +107,7 @@ static int load_cpu_fw_direct(const char *fn, u8 __iomem *mem, struct cx18 *cx)
 	u32 __iomem *dst = (u32 __iomem *)mem;
 	const u32 *src;
 
-	if (request_firmware(&fw, fn, &cx->dev->dev)) {
+	if (request_firmware(&fw, fn, &cx->pci_dev->dev)) {
 		CX18_ERR("Unable to open firmware %s\n", fn);
 		CX18_ERR("Did you put the firmware in the hotplug firmware directory?\n");
 		return -ENOMEM;
@@ -151,7 +151,7 @@ static int load_apu_fw_direct(const char *fn, u8 __iomem *dst, struct cx18 *cx,
 	u32 apu_version = 0;
 	int sz;
 
-	if (request_firmware(&fw, fn, &cx->dev->dev)) {
+	if (request_firmware(&fw, fn, &cx->pci_dev->dev)) {
 		CX18_ERR("unable to open firmware %s\n", fn);
 		CX18_ERR("did you put the firmware in the hotplug firmware directory?\n");
 		cx18_setup_page(cx, 0);

drivers/media/video/cx18/cx18-i2c.c

@@ -366,7 +366,7 @@ int init_cx18_i2c(struct cx18 *cx)
 		sprintf(cx->i2c_client[i].name +
 				strlen(cx->i2c_client[i].name), "%d", i);
 		cx->i2c_client[i].adapter = &cx->i2c_adap[i];
-		cx->i2c_adap[i].dev.parent = &cx->dev->dev;
+		cx->i2c_adap[i].dev.parent = &cx->pci_dev->dev;
 	}
 
 	if (cx18_read_reg(cx, CX18_REG_I2C_2_WR) != 0x0003c02f) {

drivers/media/video/cx18/cx18-ioctl.c

@@ -335,7 +335,8 @@ static int cx18_querycap(struct file *file, void *fh,
 
 	strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
 	strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
-	snprintf(vcap->bus_info, sizeof(vcap->bus_info), "PCI:%s", pci_name(cx->dev));
+	snprintf(vcap->bus_info, sizeof(vcap->bus_info),
+		 "PCI:%s", pci_name(cx->pci_dev));
 	vcap->version = CX18_DRIVER_VERSION; 	    /* version */
 	vcap->capabilities = cx->v4l2_cap; 	    /* capabilities */
 	return 0;
@@ -732,7 +733,7 @@ static int cx18_log_status(struct file *file, void *fh)
 	for (i = 0; i < CX18_MAX_STREAMS; i++) {
 		struct cx18_stream *s = &cx->streams[i];
 
-		if (s->v4l2dev == NULL || s->buffers == 0)
+		if (s->video_dev == NULL || s->buffers == 0)
 			continue;
 		CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n",
 			  s->name, s->s_flags,

drivers/media/video/cx18/cx18-queue.c

@@ -204,7 +204,7 @@ int cx18_stream_alloc(struct cx18_stream *s)
 		}
 		buf->id = cx->buffer_id++;
 		INIT_LIST_HEAD(&buf->list);
-		buf->dma_handle = pci_map_single(s->cx->dev,
+		buf->dma_handle = pci_map_single(s->cx->pci_dev,
 				buf->buf, s->buf_size, s->dma);
 		cx18_buf_sync_for_cpu(s, buf);
 		cx18_enqueue(s, buf, &s->q_free);
@@ -227,7 +227,7 @@ void cx18_stream_free(struct cx18_stream *s)
 
 	/* empty q_free */
 	while ((buf = cx18_dequeue(s, &s->q_free))) {
-		pci_unmap_single(s->cx->dev, buf->dma_handle,
+		pci_unmap_single(s->cx->pci_dev, buf->dma_handle,
 				s->buf_size, s->dma);
 		kfree(buf->buf);
 		kfree(buf);

drivers/media/video/cx18/cx18-queue.h

@@ -29,14 +29,14 @@
 static inline void cx18_buf_sync_for_cpu(struct cx18_stream *s,
 	struct cx18_buffer *buf)
 {
-	pci_dma_sync_single_for_cpu(s->cx->dev, buf->dma_handle,
+	pci_dma_sync_single_for_cpu(s->cx->pci_dev, buf->dma_handle,
 				s->buf_size, s->dma);
 }
 
 static inline void cx18_buf_sync_for_device(struct cx18_stream *s,
 	struct cx18_buffer *buf)
 {
-	pci_dma_sync_single_for_device(s->cx->dev, buf->dma_handle,
+	pci_dma_sync_single_for_device(s->cx->pci_dev, buf->dma_handle,
 				s->buf_size, s->dma);
 }
 

drivers/media/video/cx18/cx18-streams.c

@@ -101,11 +101,11 @@ static struct {
 static void cx18_stream_init(struct cx18 *cx, int type)
 {
 	struct cx18_stream *s = &cx->streams[type];
-	struct video_device *dev = s->v4l2dev;
+	struct video_device *video_dev = s->video_dev;
 
-	/* we need to keep v4l2dev, so restore it afterwards */
+	/* we need to keep video_dev, so restore it afterwards */
 	memset(s, 0, sizeof(*s));
-	s->v4l2dev = dev;
+	s->video_dev = video_dev;
 
 	/* initialize cx18_stream fields */
 	s->cx = cx;
@@ -132,10 +132,10 @@ static int cx18_prep_dev(struct cx18 *cx, int type)
 	int num_offset = cx18_stream_info[type].num_offset;
 	int num = cx->num + cx18_first_minor + num_offset;
 
-	/* These four fields are always initialized. If v4l2dev == NULL, then
+	/* These four fields are always initialized. If video_dev == NULL, then
 	   this stream is not in use. In that case no other fields but these
 	   four can be used. */
-	s->v4l2dev = NULL;
+	s->video_dev = NULL;
 	s->cx = cx;
 	s->type = type;
 	s->name = cx18_stream_info[type].name;
@@ -163,22 +163,22 @@ static int cx18_prep_dev(struct cx18 *cx, int type)
 		return 0;
 
 	/* allocate and initialize the v4l2 video device structure */
-	s->v4l2dev = video_device_alloc();
-	if (s->v4l2dev == NULL) {
+	s->video_dev = video_device_alloc();
+	if (s->video_dev == NULL) {
 		CX18_ERR("Couldn't allocate v4l2 video_device for %s\n",
 				s->name);
 		return -ENOMEM;
 	}
 
-	snprintf(s->v4l2dev->name, sizeof(s->v4l2dev->name), "cx18-%d",
+	snprintf(s->video_dev->name, sizeof(s->video_dev->name), "cx18-%d",
 			cx->num);
 
-	s->v4l2dev->num = num;
-	s->v4l2dev->parent = &cx->dev->dev;
-	s->v4l2dev->fops = &cx18_v4l2_enc_fops;
-	s->v4l2dev->release = video_device_release;
-	s->v4l2dev->tvnorms = V4L2_STD_ALL;
-	cx18_set_funcs(s->v4l2dev);
+	s->video_dev->num = num;
+	s->video_dev->parent = &cx->pci_dev->dev;
+	s->video_dev->fops = &cx18_v4l2_enc_fops;
+	s->video_dev->release = video_device_release;
+	s->video_dev->tvnorms = V4L2_STD_ALL;
+	cx18_set_funcs(s->video_dev);
 	return 0;
 }
 
@@ -227,28 +227,29 @@ static int cx18_reg_dev(struct cx18 *cx, int type)
 		}
 	}
 
-	if (s->v4l2dev == NULL)
+	if (s->video_dev == NULL)
 		return 0;
 
-	num = s->v4l2dev->num;
+	num = s->video_dev->num;
 	/* card number + user defined offset + device offset */
 	if (type != CX18_ENC_STREAM_TYPE_MPG) {
 		struct cx18_stream *s_mpg = &cx->streams[CX18_ENC_STREAM_TYPE_MPG];
 
-		if (s_mpg->v4l2dev)
-			num = s_mpg->v4l2dev->num + cx18_stream_info[type].num_offset;
+		if (s_mpg->video_dev)
+			num = s_mpg->video_dev->num
+			    + cx18_stream_info[type].num_offset;
 	}
 
 	/* Register device. First try the desired minor, then any free one. */
-	ret = video_register_device(s->v4l2dev, vfl_type, num);
+	ret = video_register_device(s->video_dev, vfl_type, num);
 	if (ret < 0) {
 		CX18_ERR("Couldn't register v4l2 device for %s kernel number %d\n",
 			s->name, num);
-		video_device_release(s->v4l2dev);
-		s->v4l2dev = NULL;
+		video_device_release(s->video_dev);
+		s->video_dev = NULL;
 		return ret;
 	}
-	num = s->v4l2dev->num;
+	num = s->video_dev->num;
 
 	switch (vfl_type) {
 	case VFL_TYPE_GRABBER:
@@ -312,9 +313,9 @@ void cx18_streams_cleanup(struct cx18 *cx, int unregister)
 			cx->streams[type].dvb.enabled = false;
 		}
 
-		vdev = cx->streams[type].v4l2dev;
+		vdev = cx->streams[type].video_dev;
 
-		cx->streams[type].v4l2dev = NULL;
+		cx->streams[type].video_dev = NULL;
 		if (vdev == NULL)
 			continue;
 
@@ -437,7 +438,7 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s)
 	int ts = 0;
 	int captype = 0;
 
-	if (s->v4l2dev == NULL && s->dvb.enabled == 0)
+	if (s->video_dev == NULL && s->dvb.enabled == 0)
 		return -EINVAL;
 
 	CX18_DEBUG_INFO("Start encoder stream %s\n", s->name);
@@ -565,7 +566,7 @@ void cx18_stop_all_captures(struct cx18 *cx)
 	for (i = CX18_MAX_STREAMS - 1; i >= 0; i--) {
 		struct cx18_stream *s = &cx->streams[i];
 
-		if (s->v4l2dev == NULL && s->dvb.enabled == 0)
+		if (s->video_dev == NULL && s->dvb.enabled == 0)
 			continue;
 		if (test_bit(CX18_F_S_STREAMING, &s->s_flags))
 			cx18_stop_v4l2_encode_stream(s, 0);
@@ -577,7 +578,7 @@ int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end)
 	struct cx18 *cx = s->cx;
 	unsigned long then;
 
-	if (s->v4l2dev == NULL && s->dvb.enabled == 0)
+	if (s->video_dev == NULL && s->dvb.enabled == 0)
 		return -EINVAL;
 
 	/* This function assumes that you are allowed to stop the capture
@@ -629,7 +630,7 @@ u32 cx18_find_handle(struct cx18 *cx)
 	for (i = 0; i < CX18_MAX_STREAMS; i++) {
 		struct cx18_stream *s = &cx->streams[i];
 
-		if (s->v4l2dev && (s->handle != CX18_INVALID_TASK_HANDLE))
+		if (s->video_dev && (s->handle != CX18_INVALID_TASK_HANDLE))
 			return s->handle;
 	}
 	return CX18_INVALID_TASK_HANDLE;
@@ -647,7 +648,7 @@ struct cx18_stream *cx18_handle_to_stream(struct cx18 *cx, u32 handle)
 		s = &cx->streams[i];
 		if (s->handle != handle)
 			continue;
-		if (s->v4l2dev || s->dvb.enabled)
+		if (s->video_dev || s->dvb.enabled)
 			return s;
 	}
 	return NULL;