aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2009-12-10 11:44:04 -0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-12-16 00:17:56 -0200
commit63b0d5ad20365edf8baf96cdbb8e7faf62501286 (patch)
tree9a12041cab48051834ee67d0de358443464e5d94
parentf0813b4c9f7ffbeaddcba1c08a1812f7ff30e1b7 (diff)
V4L/DVB (13554a): v4l: Use the video_drvdata function in drivers
Fix all device drivers to use the video_drvdata function instead of maintaining a local list of minor to private data mappings. Call video_set_drvdata to register the driver private pointer when not already done. Where applicable, the local list of mappings is completely removed when it becomes unused. [mchehab.redhat.com: removed tm6000 changes as tm6000 is not ready yet for submission even on staging] Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/common/saa7146_fops.c32
-rw-r--r--drivers/media/video/au0828/au0828-video.c35
-rw-r--r--drivers/media/video/au0828/au0828.h1
-rw-r--r--drivers/media/video/cx231xx/cx231xx-core.c26
-rw-r--r--drivers/media/video/cx231xx/cx231xx-video.c18
-rw-r--r--drivers/media/video/cx231xx/cx231xx.h2
-rw-r--r--drivers/media/video/cx23885/cx23885-417.c22
-rw-r--r--drivers/media/video/cx23885/cx23885-core.c11
-rw-r--r--drivers/media/video/cx23885/cx23885-video.c44
-rw-r--r--drivers/media/video/cx23885/cx23885.h3
-rw-r--r--drivers/media/video/cx88/cx88-blackbird.c15
-rw-r--r--drivers/media/video/cx88/cx88-mpeg.c15
-rw-r--r--drivers/media/video/cx88/cx88-video.c43
-rw-r--r--drivers/media/video/cx88/cx88.h2
-rw-r--r--drivers/media/video/em28xx/em28xx-cards.c1
-rw-r--r--drivers/media/video/em28xx/em28xx-core.c28
-rw-r--r--drivers/media/video/em28xx/em28xx-video.c23
-rw-r--r--drivers/media/video/em28xx/em28xx.h3
-rw-r--r--drivers/media/video/s2255drv.c35
-rw-r--r--drivers/media/video/saa7134/saa7134-core.c1
-rw-r--r--drivers/media/video/saa7134/saa7134-empress.c11
-rw-r--r--drivers/media/video/saa7134/saa7134-video.c32
-rw-r--r--drivers/staging/cx25821/cx25821-audups11.c27
-rw-r--r--drivers/staging/cx25821/cx25821-video.c1
-rw-r--r--drivers/staging/cx25821/cx25821-video0.c27
-rw-r--r--drivers/staging/cx25821/cx25821-video1.c27
-rw-r--r--drivers/staging/cx25821/cx25821-video2.c28
-rw-r--r--drivers/staging/cx25821/cx25821-video3.c28
-rw-r--r--drivers/staging/cx25821/cx25821-video4.c28
-rw-r--r--drivers/staging/cx25821/cx25821-video5.c28
-rw-r--r--drivers/staging/cx25821/cx25821-video6.c28
-rw-r--r--drivers/staging/cx25821/cx25821-video7.c28
-rw-r--r--drivers/staging/cx25821/cx25821-videoioctl.c26
-rw-r--r--drivers/staging/cx25821/cx25821-vidups10.c27
-rw-r--r--drivers/staging/cx25821/cx25821-vidups9.c27
35 files changed, 178 insertions, 555 deletions
diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c
index f279a6440415..2d9fc2435f2b 100644
--- a/drivers/media/common/saa7146_fops.c
+++ b/drivers/media/common/saa7146_fops.c
@@ -195,42 +195,24 @@ void saa7146_buffer_timeout(unsigned long data)
static int fops_open(struct file *file)
{
unsigned int minor = video_devdata(file)->minor;
- struct saa7146_dev *h = NULL, *dev = NULL;
- struct list_head *list;
+ struct video_device *vdev = video_devdata(file);
+ struct saa7146_dev *dev = video_drvdata(file);
struct saa7146_fh *fh = NULL;
int result = 0;
- enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ enum v4l2_buf_type type;
DEB_EE(("file:%p, minor:%d\n", file, minor));
if (mutex_lock_interruptible(&saa7146_devices_lock))
return -ERESTARTSYS;
- list_for_each(list,&saa7146_devices) {
- h = list_entry(list, struct saa7146_dev, item);
- if( NULL == h->vv_data ) {
- DEB_D(("device %p has not registered video devices.\n",h));
- continue;
- }
- DEB_D(("trying: %p @ major %d,%d\n",h,h->vv_data->video_minor,h->vv_data->vbi_minor));
-
- if (h->vv_data->video_minor == minor) {
- dev = h;
- }
- if (h->vv_data->vbi_minor == minor) {
- type = V4L2_BUF_TYPE_VBI_CAPTURE;
- dev = h;
- }
- }
- if (NULL == dev) {
- DEB_S(("no such video device.\n"));
- result = -ENODEV;
- goto out;
- }
-
DEB_D(("using: %p\n",dev));
+ type = vdev->vfl_type == VFL_TYPE_GRABBER
+ ? V4L2_BUF_TYPE_VIDEO_CAPTURE
+ : V4L2_BUF_TYPE_VBI_CAPTURE;
+
/* check if an extension is registered */
if( NULL == dev->ext ) {
DEB_S(("no extension registered for this device.\n"));
diff --git a/drivers/media/video/au0828/au0828-video.c b/drivers/media/video/au0828/au0828-video.c
index 1485aee18d58..13a8a1db5349 100644
--- a/drivers/media/video/au0828/au0828-video.c
+++ b/drivers/media/video/au0828/au0828-video.c
@@ -40,7 +40,6 @@
#include "au0828.h"
#include "au0828-reg.h"
-static LIST_HEAD(au0828_devlist);
static DEFINE_MUTEX(au0828_sysfs_lock);
#define AU0828_VERSION_CODE KERNEL_VERSION(0, 0, 1)
@@ -693,10 +692,8 @@ void au0828_analog_unregister(struct au0828_dev *dev)
dprintk(1, "au0828_release_resources called\n");
mutex_lock(&au0828_sysfs_lock);
- if (dev->vdev) {
- list_del(&dev->au0828list);
+ if (dev->vdev)
video_unregister_device(dev->vdev);
- }
if (dev->vbi_dev)
video_unregister_device(dev->vbi_dev);
@@ -737,29 +734,15 @@ static void res_free(struct au0828_fh *fh)
static int au0828_v4l2_open(struct file *filp)
{
- int minor = video_devdata(filp)->minor;
int ret = 0;
- struct au0828_dev *h, *dev = NULL;
+ struct au0828_dev *dev = video_drvdata(filp);
struct au0828_fh *fh;
- int type = 0;
- struct list_head *list;
-
- list_for_each(list, &au0828_devlist) {
- h = list_entry(list, struct au0828_dev, au0828list);
- if (h->vdev->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
+ int type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+
#ifdef VBI_IS_WORKING
- if (h->vbi_dev->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VBI_CAPTURE;
- }
+ if (video_devdata(filp)->vfl_type == VFL_TYPE_GRABBER)
+ type = V4L2_BUF_TYPE_VBI_CAPTURE;
#endif
- }
-
- if (NULL == dev)
- return -ENODEV;
fh = kzalloc(sizeof(struct au0828_fh), GFP_KERNEL);
if (NULL == fh) {
@@ -1676,25 +1659,23 @@ int au0828_analog_register(struct au0828_dev *dev,
strcpy(dev->vbi_dev->name, "au0828a vbi");
#endif
- list_add_tail(&dev->au0828list, &au0828_devlist);
-
/* Register the v4l2 device */
+ video_set_drvdata(dev->vdev, dev);
retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER, -1);
if (retval != 0) {
dprintk(1, "unable to register video device (error = %d).\n",
retval);
- list_del(&dev->au0828list);
video_device_release(dev->vdev);
return -ENODEV;
}
#ifdef VBI_IS_WORKING
/* Register the vbi device */
+ video_set_drvdata(dev->vbi_dev, dev);
retval = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, -1);
if (retval != 0) {
dprintk(1, "unable to register vbi device (error = %d).\n",
retval);
- list_del(&dev->au0828list);
video_device_release(dev->vbi_dev);
video_device_release(dev->vdev);
return -ENODEV;
diff --git a/drivers/media/video/au0828/au0828.h b/drivers/media/video/au0828/au0828.h
index b977915efbd0..207f32dec6a6 100644
--- a/drivers/media/video/au0828/au0828.h
+++ b/drivers/media/video/au0828/au0828.h
@@ -192,7 +192,6 @@ struct au0828_dev {
struct au0828_dvb dvb;
/* Analog */
- struct list_head au0828list;
struct v4l2_device v4l2_dev;
int users;
unsigned int stream_on:1; /* Locks streams */
diff --git a/drivers/media/video/cx231xx/cx231xx-core.c b/drivers/media/video/cx231xx/cx231xx-core.c
index 0d333e679f70..4a60dfbc347d 100644
--- a/drivers/media/video/cx231xx/cx231xx-core.c
+++ b/drivers/media/video/cx231xx/cx231xx-core.c
@@ -66,32 +66,6 @@ MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint");
static LIST_HEAD(cx231xx_devlist);
static DEFINE_MUTEX(cx231xx_devlist_mutex);
-struct cx231xx *cx231xx_get_device(int minor,
- enum v4l2_buf_type *fh_type, int *has_radio)
-{
- struct cx231xx *h, *dev = NULL;
-
- *fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- *has_radio = 0;
-
- mutex_lock(&cx231xx_devlist_mutex);
- list_for_each_entry(h, &cx231xx_devlist, devlist) {
- if (h->vdev->minor == minor)
- dev = h;
- if (h->vbi_dev->minor == minor) {
- dev = h;
- *fh_type = V4L2_BUF_TYPE_VBI_CAPTURE;
- }
- if (h->radio_dev && h->radio_dev->minor == minor) {
- dev = h;
- *has_radio = 1;
- }
- }
- mutex_unlock(&cx231xx_devlist_mutex);
-
- return dev;
-}
-
/*
* cx231xx_realease_resources()
* unregisters the v4l2,i2c and usb devices
diff --git a/drivers/media/video/cx231xx/cx231xx-video.c b/drivers/media/video/cx231xx/cx231xx-video.c
index 71e152dc2791..3fc7a6fe8554 100644
--- a/drivers/media/video/cx231xx/cx231xx-video.c
+++ b/drivers/media/video/cx231xx/cx231xx-video.c
@@ -1918,13 +1918,22 @@ static int cx231xx_v4l2_open(struct file *filp)
{
int minor = video_devdata(filp)->minor;
int errCode = 0, radio = 0;
- struct cx231xx *dev = NULL;
+ struct video_device *vdev = video_devdata(filp);
+ struct cx231xx *dev = video_drvdata(filp);
struct cx231xx_fh *fh;
enum v4l2_buf_type fh_type = 0;
- dev = cx231xx_get_device(minor, &fh_type, &radio);
- if (NULL == dev)
- return -ENODEV;
+ switch (vdev->vfl_type) {
+ case VFL_TYPE_GRABBER:
+ fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ break;
+ case VFL_TYPE_VBI:
+ fh_type = V4L2_BUF_TYPE_VBI_CAPTURE;
+ break;
+ case VFL_TYPE_RADIO:
+ radio = 1;
+ break;
+ }
mutex_lock(&dev->lock);
@@ -2326,6 +2335,7 @@ static struct video_device *cx231xx_vdev_init(struct cx231xx *dev,
snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name);
+ video_set_drvdata(vfd, dev);
return vfd;
}
diff --git a/drivers/media/video/cx231xx/cx231xx.h b/drivers/media/video/cx231xx/cx231xx.h
index 64e2ddd3c401..17d4d1a800ce 100644
--- a/drivers/media/video/cx231xx/cx231xx.h
+++ b/drivers/media/video/cx231xx/cx231xx.h
@@ -689,8 +689,6 @@ void cx231xx_release_analog_resources(struct cx231xx *dev);
int cx231xx_register_analog_devices(struct cx231xx *dev);
void cx231xx_remove_from_devlist(struct cx231xx *dev);
void cx231xx_add_into_devlist(struct cx231xx *dev);
-struct cx231xx *cx231xx_get_device(int minor,
- enum v4l2_buf_type *fh_type, int *has_radio);
void cx231xx_init_extension(struct cx231xx *dev);
void cx231xx_close_extension(struct cx231xx *dev);
diff --git a/drivers/media/video/cx23885/cx23885-417.c b/drivers/media/video/cx23885/cx23885-417.c
index a7bfe7c3a447..272c60a993b5 100644
--- a/drivers/media/video/cx23885/cx23885-417.c
+++ b/drivers/media/video/cx23885/cx23885-417.c
@@ -1568,28 +1568,11 @@ static int vidioc_queryctrl(struct file *file, void *priv,
static int mpeg_open(struct file *file)
{
- int minor = video_devdata(file)->minor;
- struct cx23885_dev *h, *dev = NULL;
- struct list_head *list;
+ struct cx23885_dev *dev = video_drvdata(file);
struct cx23885_fh *fh;
dprintk(2, "%s()\n", __func__);
- lock_kernel();
- list_for_each(list, &cx23885_devlist) {
- h = list_entry(list, struct cx23885_dev, devlist);
- if (h->v4l_device &&
- h->v4l_device->minor == minor) {
- dev = h;
- break;
- }
- }
-
- if (dev == NULL) {
- unlock_kernel();
- return -ENODEV;
- }
-
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh) {
@@ -1597,6 +1580,8 @@ static int mpeg_open(struct file *file)
return -ENOMEM;
}
+ lock_kernel();
+
file->private_data = fh;
fh->dev = dev;
@@ -1803,6 +1788,7 @@ int cx23885_417_register(struct cx23885_dev *dev)
/* Allocate and initialize V4L video device */
dev->v4l_device = cx23885_video_dev_alloc(tsport,
dev->pci, &cx23885_mpeg_template, "mpeg");
+ video_set_drvdata(dev->v4l_device, dev);
err = video_register_device(dev->v4l_device,
VFL_TYPE_GRABBER, -1);
if (err < 0) {
diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c
index 04b12d27bc13..0dde57e96d30 100644
--- a/drivers/media/video/cx23885/cx23885-core.c
+++ b/drivers/media/video/cx23885/cx23885-core.c
@@ -55,9 +55,6 @@ MODULE_PARM_DESC(card, "card type");
static unsigned int cx23885_devcount;
-static DEFINE_MUTEX(devlist);
-LIST_HEAD(cx23885_devlist);
-
#define NO_SYNC_LINE (-1U)
/* FIXME, these allocations will change when
@@ -785,10 +782,6 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
dev->nr = cx23885_devcount++;
sprintf(dev->name, "cx23885[%d]", dev->nr);
- mutex_lock(&devlist);
- list_add_tail(&dev->devlist, &cx23885_devlist);
- mutex_unlock(&devlist);
-
/* Configure the internal memory */
if (dev->pci->device == 0x8880) {
/* Could be 887 or 888, assume a default */
@@ -2008,10 +2001,6 @@ static void __devexit cx23885_finidev(struct pci_dev *pci_dev)
/* unregister stuff */
free_irq(pci_dev->irq, dev);
- mutex_lock(&devlist);
- list_del(&dev->devlist);
- mutex_unlock(&devlist);
-
cx23885_dev_unregister(dev);
v4l2_device_unregister(v4l2_dev);
kfree(dev);
diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c
index fd98121361f4..e10f28cfef5e 100644
--- a/drivers/media/video/cx23885/cx23885-video.c
+++ b/drivers/media/video/cx23885/cx23885-video.c
@@ -323,6 +323,7 @@ static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
vfd->release = video_device_release;
snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
dev->name, type, cx23885_boards[dev->board].name);
+ video_set_drvdata(vfd, dev);
return vfd;
}
@@ -717,34 +718,22 @@ static int get_resource(struct cx23885_fh *fh)
static int video_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct cx23885_dev *h, *dev = NULL;
+ struct video_device *vdev = video_devdata(file);
+ struct cx23885_dev *dev = video_drvdata(file);
struct cx23885_fh *fh;
- struct list_head *list;
enum v4l2_buf_type type = 0;
int radio = 0;
- lock_kernel();
- list_for_each(list, &cx23885_devlist) {
- h = list_entry(list, struct cx23885_dev, devlist);
- if (h->video_dev &&
- h->video_dev->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- if (h->vbi_dev &&
- h->vbi_dev->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VBI_CAPTURE;
- }
- if (h->radio_dev &&
- h->radio_dev->minor == minor) {
- radio = 1;
- dev = h;
- }
- }
- if (NULL == dev) {
- unlock_kernel();
- return -ENODEV;
+ switch (vdev->vfl_type) {
+ case VFL_TYPE_GRABBER:
+ type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ break;
+ case VFL_TYPE_VBI:
+ type = V4L2_BUF_TYPE_VBI_CAPTURE;
+ break;
+ case VFL_TYPE_RADIO:
+ radio = 1;
+ break;
}
dprintk(1, "open minor=%d radio=%d type=%s\n",
@@ -752,10 +741,11 @@ static int video_open(struct file *file)
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh) {
- unlock_kernel();
+ if (NULL == fh)
return -ENOMEM;
- }
+
+ lock_kernel();
+
file->private_data = fh;
fh->dev = dev;
fh->radio = radio;
diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h
index fa744764dc8b..08b3f6b136a0 100644
--- a/drivers/media/video/cx23885/cx23885.h
+++ b/drivers/media/video/cx23885/cx23885.h
@@ -303,7 +303,6 @@ struct cx23885_tsport {
};
struct cx23885_dev {
- struct list_head devlist;
atomic_t refcount;
struct v4l2_device v4l2_dev;
@@ -399,8 +398,6 @@ static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
-extern struct list_head cx23885_devlist;
-
#define SRAM_CH01 0 /* Video A */
#define SRAM_CH02 1 /* VBI A */
#define SRAM_CH03 2 /* Video B */
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
index 5186f87b4ece..f0ef94150d1e 100644
--- a/drivers/media/video/cx88/cx88-blackbird.c
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -1049,20 +1049,14 @@ static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
static int mpeg_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct cx8802_dev *dev = NULL;
+ struct cx8802_dev *dev = video_drvdata(file);
struct cx8802_fh *fh;
struct cx8802_driver *drv = NULL;
int err;
- lock_kernel();
- dev = cx8802_get_device(minor);
-
dprintk( 1, "%s\n", __func__);
- if (dev == NULL) {
- unlock_kernel();
- return -ENODEV;
- }
+ lock_kernel();
/* Make sure we can acquire the hardware */
drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
@@ -1129,10 +1123,6 @@ static int mpeg_release(struct file *file)
kfree(fh);
/* Make sure we release the hardware */
- dev = cx8802_get_device(video_devdata(file)->minor);
- if (dev == NULL)
- return -ENODEV;
-
drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
if (drv)
drv->request_release(drv);
@@ -1290,6 +1280,7 @@ static int blackbird_register_video(struct cx8802_dev *dev)
dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
&cx8802_mpeg_template,"mpeg");
+ video_set_drvdata(dev->mpeg_dev, dev);
err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
if (err < 0) {
printk(KERN_INFO "%s/2: can't register mpeg device\n",
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c
index de9ff0fc741f..bb5104893411 100644
--- a/drivers/media/video/cx88/cx88-mpeg.c
+++ b/drivers/media/video/cx88/cx88-mpeg.c
@@ -580,21 +580,6 @@ static int cx8802_resume_common(struct pci_dev *pci_dev)
return 0;
}
-#if defined(CONFIG_VIDEO_CX88_BLACKBIRD) || \
- defined(CONFIG_VIDEO_CX88_BLACKBIRD_MODULE)
-struct cx8802_dev *cx8802_get_device(int minor)
-{
- struct cx8802_dev *dev;
-
- list_for_each_entry(dev, &cx8802_devlist, devlist)
- if (dev->mpeg_dev && dev->mpeg_dev->minor == minor)
- return dev;
-
- return NULL;
-}
-EXPORT_SYMBOL(cx8802_get_device);
-#endif
-
struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype)
{
struct cx8802_driver *d;
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 0259ac6d8147..758399173a52 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -75,10 +75,6 @@ MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
#define dprintk(level,fmt, arg...) if (video_debug >= level) \
printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
-/* ------------------------------------------------------------------ */
-
-static LIST_HEAD(cx8800_devlist);
-
/* ------------------------------------------------------------------- */
/* static data */
@@ -754,33 +750,27 @@ static int get_ressource(struct cx8800_fh *fh)
static int video_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct cx8800_dev *h,*dev = NULL;
+ struct video_device *vdev = video_devdata(file);
+ struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core;
struct cx8800_fh *fh;
enum v4l2_buf_type type = 0;
int radio = 0;
- lock_kernel();
- list_for_each_entry(h, &cx8800_devlist, devlist) {
- if (h->video_dev->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- if (h->vbi_dev->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VBI_CAPTURE;
- }
- if (h->radio_dev &&
- h->radio_dev->minor == minor) {
- radio = 1;
- dev = h;
- }
- }
- if (NULL == dev) {
- unlock_kernel();
- return -ENODEV;
+ switch (vdev->vfl_type) {
+ case VFL_TYPE_GRABBER:
+ type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ break;
+ case VFL_TYPE_VBI:
+ type = V4L2_BUF_TYPE_VBI_CAPTURE;
+ break;
+ case VFL_TYPE_RADIO:
+ radio = 1;
+ break;
}
+ lock_kernel();
+
core = dev->core;
dprintk(1,"open minor=%d radio=%d type=%s\n",
@@ -1909,6 +1899,7 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
/* register v4l devices */
dev->video_dev = cx88_vdev_init(core,dev->pci,
&cx8800_video_template,"video");
+ video_set_drvdata(dev->video_dev, dev);
err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
video_nr[core->nr]);
if (err < 0) {
@@ -1920,6 +1911,7 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
core->name, video_device_node_name(dev->video_dev));
dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
+ video_set_drvdata(dev->vbi_dev, dev);
err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
vbi_nr[core->nr]);
if (err < 0) {
@@ -1933,6 +1925,7 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
if (core->board.radio.type == CX88_RADIO) {
dev->radio_dev = cx88_vdev_init(core,dev->pci,
&cx8800_radio_template,"radio");
+ video_set_drvdata(dev->radio_dev, dev);
err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
radio_nr[core->nr]);
if (err < 0) {
@@ -1945,7 +1938,6 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
}
/* everything worked */
- list_add_tail(&dev->devlist,&cx8800_devlist);
pci_set_drvdata(pci_dev,dev);
/* initial device configuration */
@@ -2001,7 +1993,6 @@ static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
/* free memory */
btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
- list_del(&dev->devlist);
cx88_core_put(core,dev->pci);
kfree(dev);
}
diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h
index e1c521710103..b1499bf604ea 100644
--- a/drivers/media/video/cx88/cx88.h
+++ b/drivers/media/video/cx88/cx88.h
@@ -423,7 +423,6 @@ struct cx8800_suspend_state {
struct cx8800_dev {
struct cx88_core *core;
- struct list_head devlist;
spinlock_t slock;
/* various device info */
@@ -670,7 +669,6 @@ int cx88_audio_thread(void *data);
int cx8802_register_driver(struct cx8802_driver *drv);
int cx8802_unregister_driver(struct cx8802_driver *drv);
-struct cx8802_dev *cx8802_get_device(int minor);
struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype);
/* ----------------------------------------------------------- */
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index 4ace70946d32..e7a68e2507de 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -2653,7 +2653,6 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
INIT_LIST_HEAD(&dev->vbiq.active);
INIT_LIST_HEAD(&dev->vbiq.queued);
-
if (dev->board.has_msp34xx) {
/* Send a reset to other chips via gpio */
errCode = em28xx_write_reg(dev, EM28XX_R08_GPIO, 0xf7);
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index 4f61e05d30b4..b311d4514bdf 100644
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -1136,34 +1136,6 @@ void em28xx_wake_i2c(struct em28xx *dev)
static LIST_HEAD(em28xx_devlist);
static DEFINE_MUTEX(em28xx_devlist_mutex);
-struct em28xx *em28xx_get_device(int minor,
- enum v4l2_buf_type *fh_type,
- int *has_radio)
-{
- struct em28xx *h, *dev = NULL;
-
- *fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- *has_radio = 0;
-
- mutex_lock(&em28xx_devlist_mutex);
- list_for_each_entry(h, &em28xx_devlist, devlist) {
- if (h->vdev->minor == minor)
- dev = h;
- if (h->vbi_dev && h->vbi_dev->minor == minor) {
- dev = h;
- *fh_type = V4L2_BUF_TYPE_VBI_CAPTURE;
- }
- if (h->radio_dev &&
- h->radio_dev->minor == minor) {
- dev = h;
- *has_radio = 1;
- }
- }
- mutex_unlock(&em28xx_devlist_mutex);
-
- return dev;
-}
-
/*
* em28xx_realease_resources()
* unregisters the v4l2,i2c and usb devices
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index 9a8ff32cb31b..dd9bbe88c601 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -2082,16 +2082,24 @@ static int radio_queryctrl(struct file *file, void *priv,
static int em28xx_v4l2_open(struct file *filp)
{
int minor = video_devdata(filp)->minor;
- int errCode = 0, radio;
- struct em28xx *dev;
- enum v4l2_buf_type fh_type;
+ int errCode = 0, radio = 0;
+ struct video_device *vdev = video_devdata(filp);
+ struct em28xx *dev = video_drvdata(filp);
+ enum v4l2_buf_type fh_type = 0;
struct em28xx_fh *fh;
enum v4l2_field field;
- dev = em28xx_get_device(minor, &fh_type, &radio);
-
- if (NULL == dev)
- return -ENODEV;
+ switch (vdev->vfl_type) {
+ case VFL_TYPE_GRABBER:
+ fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ break;
+ case VFL_TYPE_VBI:
+ fh_type = V4L2_BUF_TYPE_VBI_CAPTURE;
+ break;
+ case VFL_TYPE_RADIO:
+ radio = 1;
+ break;
+ }
mutex_lock(&dev->lock);
@@ -2459,6 +2467,7 @@ static struct video_device *em28xx_vdev_init(struct em28xx *dev,
snprintf(vfd->name, sizeof(vfd->name), "%s %s",
dev->name, type_name);
+ video_set_drvdata(vfd, dev);
return vfd;
}
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 48977832316e..80d9b4fa1b97 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -668,9 +668,6 @@ int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio);
void em28xx_wake_i2c(struct em28xx *dev);
void em28xx_remove_from_devlist(struct em28xx *dev);
void em28xx_add_into_devlist(struct em28xx *dev);
-struct em28xx *em28xx_get_device(int minor,
- enum v4l2_buf_type *fh_type,
- int *has_radio);
int em28xx_register_extension(struct em28xx_ops *dev);
void em28xx_unregister_extension(struct em28xx_ops *dev);
void em28xx_init_extension(struct em28xx *dev);
diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c
index 4201abcf8f63..0a77108ee06f 100644
--- a/drivers/media/video/s2255drv.c
+++ b/drivers/media/video/s2255drv.c
@@ -233,7 +233,6 @@ struct s2255_dev {
struct s2255_dmaqueue vidq[MAX_CHANNELS];
struct video_device *vdev[MAX_CHANNELS];
- struct list_head s2255_devlist;
struct timer_list timer;
struct s2255_fw *fw_data;
struct s2255_pipeinfo pipes[MAX_PIPE_BUFFERS];
@@ -313,8 +312,6 @@ struct s2255_fh {
/* Channels on box are in reverse order */
static unsigned long G_chnmap[MAX_CHANNELS] = {3, 2, 1, 0};
-static LIST_HEAD(s2255_devlist);
-
static int debug;
static int *s2255_debug = &debug;
@@ -1534,31 +1531,22 @@ static int vidioc_s_parm(struct file *file, void *priv,
static int s2255_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct s2255_dev *h, *dev = NULL;
+ struct video_device *vdev = video_devdata(file);
+ struct s2255_dev *dev = video_drvdata(file);
struct s2255_fh *fh;
- struct list_head *list;
- enum v4l2_buf_type type = 0;
+ enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
int i = 0;
int cur_channel = -1;
int state;
dprintk(1, "s2255: open called (minor=%d)\n", minor);
lock_kernel();
- list_for_each(list, &s2255_devlist) {
- h = list_entry(list, struct s2255_dev, s2255_devlist);
- for (i = 0; i < MAX_CHANNELS; i++) {
- if (h->vdev[i]->minor == minor) {
- cur_channel = i;
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- }
- }
- if ((NULL == dev) || (cur_channel == -1)) {
- unlock_kernel();
- printk(KERN_INFO "s2255: openv4l no dev\n");
- return -ENODEV;
+ for (i = 0; i < MAX_CHANNELS; i++) {
+ if (dev->vdev[i] == vdev) {
+ cur_channel = i;
+ break;
+ }
}
if (atomic_read(&dev->fw_data->fw_state) == S2255_FW_DISCONNECTING) {
@@ -1699,7 +1687,6 @@ static unsigned int s2255_poll(struct file *file,
static void s2255_destroy(struct kref *kref)
{
struct s2255_dev *dev = to_s2255_dev(kref);
- struct list_head *list;
int i;
if (!dev) {
printk(KERN_ERR "s2255drv: kref problem\n");
@@ -1733,10 +1720,6 @@ static void s2255_destroy(struct kref *kref)
usb_put_dev(dev->udev);
dprintk(1, "%s", __func__);
- while (!list_empty(&s2255_devlist)) {
- list = s2255_devlist.next;
- list_del(list);
- }
mutex_unlock(&dev->open_lock);
kfree(dev);
}
@@ -1843,7 +1826,6 @@ static int s2255_probe_v4l(struct s2255_dev *dev)
int cur_nr = video_nr;
/* initialize all video 4 linux */
- list_add_tail(&dev->s2255_devlist, &s2255_devlist);
/* register 4 video devices */
for (i = 0; i < MAX_CHANNELS; i++) {
INIT_LIST_HEAD(&dev->vidq[i].active);
@@ -1853,6 +1835,7 @@ static int s2255_probe_v4l(struct s2255_dev *dev)
dev->vdev[i] = video_device_alloc();
memcpy(dev->vdev[i], &template, sizeof(struct video_device));
dev->vdev[i]->parent = &dev->interface->dev;
+ video_set_drvdata(dev->vdev[i], dev);
if (video_nr == -1)
ret = video_register_device(dev->vdev[i],
VFL_TYPE_GRABBER,
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c
index b910df94ed72..9f85e917f9f3 100644
--- a/drivers/media/video/saa7134/saa7134-core.c
+++ b/drivers/media/video/saa7134/saa7134-core.c
@@ -797,6 +797,7 @@ static struct video_device *vdev_init(struct saa7134_dev *dev,
vfd->debug = video_debug;
snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
dev->name, type, saa7134_boards[dev->board].name);
+ video_set_drvdata(vfd, dev);
return vfd;
}
diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c
index abc1d0bf5837..1de27af54590 100644
--- a/drivers/media/video/saa7134/saa7134-empress.c
+++ b/drivers/media/video/saa7134/saa7134-empress.c
@@ -87,17 +87,9 @@ static int ts_init_encoder(struct saa7134_dev* dev)
static int ts_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct saa7134_dev *dev;
+ struct saa7134_dev *dev = video_drvdata(file);
int err;
- lock_kernel();
- list_for_each_entry(dev, &saa7134_devlist, devlist)
- if (dev->empress_dev && dev->empress_dev->minor == minor)
- goto found;
- unlock_kernel();
- return -ENODEV;
- found:
-
dprintk("open minor=%d\n",minor);
err = -EBUSY;
if (!mutex_trylock(&dev->empress_tsq.vb_lock))
@@ -531,6 +523,7 @@ static int empress_init(struct saa7134_dev *dev)
INIT_WORK(&dev->empress_workqueue, empress_signal_update);
+ video_set_drvdata(dev->empress_dev, dev);
err = video_register_device(dev->empress_dev,VFL_TYPE_GRABBER,
empress_nr[dev->nr]);
if (err < 0) {
diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c
index 35f8daa3a359..bcca5a479817 100644
--- a/drivers/media/video/saa7134/saa7134-video.c
+++ b/drivers/media/video/saa7134/saa7134-video.c
@@ -1327,29 +1327,23 @@ static int saa7134_resource(struct saa7134_fh *fh)
static int video_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct saa7134_dev *dev;
+ struct video_device *vdev = video_devdata(file);
+ struct saa7134_dev *dev = video_drvdata(file);
struct saa7134_fh *fh;
- enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ enum v4l2_buf_type type = 0;
int radio = 0;
- mutex_lock(&saa7134_devlist_lock);
- list_for_each_entry(dev, &saa7134_devlist, devlist) {
- if (dev->video_dev && (dev->video_dev->minor == minor))
- goto found;
- if (dev->radio_dev && (dev->radio_dev->minor == minor)) {
- radio = 1;
- goto found;
- }
- if (dev->vbi_dev && (dev->vbi_dev->minor == minor)) {
- type = V4L2_BUF_TYPE_VBI_CAPTURE;
- goto found;
- }
+ switch (vdev->vfl_type) {
+ case VFL_TYPE_GRABBER:
+ type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ break;
+ case VFL_TYPE_VBI:
+ type = V4L2_BUF_TYPE_VBI_CAPTURE;
+ break;
+ case VFL_TYPE_RADIO:
+ radio = 1;
+ break;
}
- mutex_unlock(&saa7134_devlist_lock);
- return -ENODEV;
-
-found:
- mutex_unlock(&saa7134_devlist_lock);
dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
v4l2_type_names[type]);
diff --git a/drivers/staging/cx25821/cx25821-audups11.c b/drivers/staging/cx25821/cx25821-audups11.c
index f78b8912d905..e1364d1c976e 100644
--- a/drivers/staging/cx25821/cx25821-audups11.c
+++ b/drivers/staging/cx25821/cx25821-audups11.c
@@ -95,35 +95,18 @@ static struct videobuf_queue_ops cx25821_video_qops = {
static int video_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct cx25821_dev *h, *dev = NULL;
+ struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
- struct list_head *list;
- enum v4l2_buf_type type = 0;
-
- lock_kernel();
- list_for_each(list, &cx25821_devlist) {
- h = list_entry(list, struct cx25821_dev, devlist);
-
- if (h->video_dev[SRAM_CH11]
- && h->video_dev[SRAM_CH11]->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- }
-
- if (NULL == dev) {
- unlock_kernel();
- return -ENODEV;
- }
+ enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh) {
- unlock_kernel();
+ if (NULL == fh)
return -ENOMEM;
- }
+
+ lock_kernel();
file->private_data = fh;
fh->dev = dev;
diff --git a/drivers/staging/cx25821/cx25821-video.c b/drivers/staging/cx25821/cx25821-video.c
index 156e332ce002..c0c99c0fd437 100644
--- a/drivers/staging/cx25821/cx25821-video.c
+++ b/drivers/staging/cx25821/cx25821-video.c
@@ -189,6 +189,7 @@ struct video_device *cx25821_vdev_init(struct cx25821_dev *dev,
vfd->release = video_device_release;
snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, type,
cx25821_boards[dev->board].name);
+ video_set_drvdata(vfd, dev);
return vfd;
}
diff --git a/drivers/staging/cx25821/cx25821-video0.c b/drivers/staging/cx25821/cx25821-video0.c
index 950fac1d7003..eb0fe8175517 100644
--- a/drivers/staging/cx25821/cx25821-video0.c
+++ b/drivers/staging/cx25821/cx25821-video0.c
@@ -95,36 +95,19 @@ static struct videobuf_queue_ops cx25821_video_qops = {
static int video_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct cx25821_dev *h, *dev = NULL;
+ struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
- struct list_head *list;
- enum v4l2_buf_type type = 0;
+ enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
- lock_kernel();
- list_for_each(list, &cx25821_devlist) {
- h = list_entry(list, struct cx25821_dev, devlist);
-
- if (h->video_dev[SRAM_CH00]
- && h->video_dev[SRAM_CH00]->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- }
-
- if (NULL == dev) {
- unlock_kernel();
- return -ENODEV;
- }
-
printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh) {
- unlock_kernel();
+ if (NULL == fh)
return -ENOMEM;
- }
+
+ lock_kernel();
file->private_data = fh;
fh->dev = dev;
diff --git a/drivers/staging/cx25821/cx25821-video1.c b/drivers/staging/cx25821/cx25821-video1.c
index a4dddc684adf..96ec2385bcdf 100644
--- a/drivers/staging/cx25821/cx25821-video1.c
+++ b/drivers/staging/cx25821/cx25821-video1.c
@@ -95,36 +95,19 @@ static struct videobuf_queue_ops cx25821_video_qops = {
static int video_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct cx25821_dev *h, *dev = NULL;
+ struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
- struct list_head *list;
- enum v4l2_buf_type type = 0;
+ enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
- lock_kernel();
- list_for_each(list, &cx25821_devlist) {
- h = list_entry(list, struct cx25821_dev, devlist);
-
- if (h->video_dev[SRAM_CH01]
- && h->video_dev[SRAM_CH01]->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- }
-
- if (NULL == dev) {
- unlock_kernel();
- return -ENODEV;
- }
-
printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh) {
- unlock_kernel();
+ if (NULL == fh)
return -ENOMEM;
- }
+
+ lock_kernel();
file->private_data = fh;
fh->dev = dev;
diff --git a/drivers/staging/cx25821/cx25821-video2.c b/drivers/staging/cx25821/cx25821-video2.c
index 8e04e253f5d9..e659603c3fbe 100644
--- a/drivers/staging/cx25821/cx25821-video2.c
+++ b/drivers/staging/cx25821/cx25821-video2.c
@@ -95,36 +95,20 @@ static struct videobuf_queue_ops cx25821_video_qops = {
static int video_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct cx25821_dev *h, *dev = NULL;
+ struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
- struct list_head *list;
- enum v4l2_buf_type type = 0;
+ enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
- lock_kernel();
- list_for_each(list, &cx25821_devlist) {
- h = list_entry(list, struct cx25821_dev, devlist);
-
- if (h->video_dev[SRAM_CH02]
- && h->video_dev[SRAM_CH02]->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- }
-
- if (NULL == dev) {
- unlock_kernel();
- return -ENODEV;
- }
-
printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh) {
- unlock_kernel();
+ if (NULL == fh)
return -ENOMEM;
- }
+
+ lock_kernel();
+
file->private_data = fh;
fh->dev = dev;
fh->type = type;
diff --git a/drivers/staging/cx25821/cx25821-video3.c b/drivers/staging/cx25821/cx25821-video3.c
index 8801a8ead904..873f0f83a893 100644
--- a/drivers/staging/cx25821/cx25821-video3.c
+++ b/drivers/staging/cx25821/cx25821-video3.c
@@ -95,36 +95,20 @@ static struct videobuf_queue_ops cx25821_video_qops = {
static int video_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct cx25821_dev *h, *dev = NULL;
+ struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
- struct list_head *list;
- enum v4l2_buf_type type = 0;
+ enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
- lock_kernel();
- list_for_each(list, &cx25821_devlist) {
- h = list_entry(list, struct cx25821_dev, devlist);
-
- if (h->video_dev[SRAM_CH03]
- && h->video_dev[SRAM_CH03]->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- }
-
- if (NULL == dev) {
- unlock_kernel();
- return -ENODEV;
- }
-
printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh) {
- unlock_kernel();
+ if (NULL == fh)
return -ENOMEM;
- }
+
+ lock_kernel();
+
file->private_data = fh;
fh->dev = dev;
fh->type = type;
diff --git a/drivers/staging/cx25821/cx25821-video4.c b/drivers/staging/cx25821/cx25821-video4.c
index ab0d747138ad..c00e3f84e8eb 100644
--- a/drivers/staging/cx25821/cx25821-video4.c
+++ b/drivers/staging/cx25821/cx25821-video4.c
@@ -95,36 +95,20 @@ static struct videobuf_queue_ops cx25821_video_qops = {
static int video_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct cx25821_dev *h, *dev = NULL;
+ struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
- struct list_head *list;
- enum v4l2_buf_type type = 0;
+ enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
- lock_kernel();
- list_for_each(list, &cx25821_devlist) {
- h = list_entry(list, struct cx25821_dev, devlist);
-
- if (h->video_dev[SRAM_CH04]
- && h->video_dev[SRAM_CH04]->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- }
-
- if (NULL == dev) {
- unlock_kernel();
- return -ENODEV;
- }
-
printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh) {
- unlock_kernel();
+ if (NULL == fh)
return -ENOMEM;
- }
+
+ lock_kernel();
+
file->private_data = fh;
fh->dev = dev;
fh->type = type;
diff --git a/drivers/staging/cx25821/cx25821-video5.c b/drivers/staging/cx25821/cx25821-video5.c
index 7ef0b971f5cf..06396b86e98b 100644
--- a/drivers/staging/cx25821/cx25821-video5.c
+++ b/drivers/staging/cx25821/cx25821-video5.c
@@ -95,36 +95,20 @@ static struct videobuf_queue_ops cx25821_video_qops = {
static int video_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct cx25821_dev *h, *dev = NULL;
+ struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
- struct list_head *list;
- enum v4l2_buf_type type = 0;
+ enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
- lock_kernel();
- list_for_each(list, &cx25821_devlist) {
- h = list_entry(list, struct cx25821_dev, devlist);
-
- if (h->video_dev[SRAM_CH05]
- && h->video_dev[SRAM_CH05]->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- }
-
- if (NULL == dev) {
- unlock_kernel();
- return -ENODEV;
- }
-
printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh) {
- unlock_kernel();
+ if (NULL == fh)
return -ENOMEM;
- }
+
+ lock_kernel();
+
file->private_data = fh;
fh->dev = dev;
fh->type = type;
diff --git a/drivers/staging/cx25821/cx25821-video6.c b/drivers/staging/cx25821/cx25821-video6.c
index 3c41b49e2ea9..c5410c1558e4 100644
--- a/drivers/staging/cx25821/cx25821-video6.c
+++ b/drivers/staging/cx25821/cx25821-video6.c
@@ -95,36 +95,20 @@ static struct videobuf_queue_ops cx25821_video_qops = {
static int video_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct cx25821_dev *h, *dev = NULL;
+ struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
- struct list_head *list;
- enum v4l2_buf_type type = 0;
+ enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
- lock_kernel();
- list_for_each(list, &cx25821_devlist) {
- h = list_entry(list, struct cx25821_dev, devlist);
-
- if (h->video_dev[SRAM_CH06]
- && h->video_dev[SRAM_CH06]->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- }
-
- if (NULL == dev) {
- unlock_kernel();
- return -ENODEV;
- }
-
printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh) {
- unlock_kernel();
+ if (NULL == fh)
return -ENOMEM;
- }
+
+ lock_kernel();
+
file->private_data = fh;
fh->dev = dev;
fh->type = type;
diff --git a/drivers/staging/cx25821/cx25821-video7.c b/drivers/staging/cx25821/cx25821-video7.c
index 625c9b78a9cf..274977eefcaf 100644
--- a/drivers/staging/cx25821/cx25821-video7.c
+++ b/drivers/staging/cx25821/cx25821-video7.c
@@ -94,36 +94,20 @@ static struct videobuf_queue_ops cx25821_video_qops = {
static int video_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct cx25821_dev *h, *dev = NULL;
+ struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
- struct list_head *list;
- enum v4l2_buf_type type = 0;
+ enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
- lock_kernel();
- list_for_each(list, &cx25821_devlist) {
- h = list_entry(list, struct cx25821_dev, devlist);
-
- if (h->video_dev[SRAM_CH07]
- && h->video_dev[SRAM_CH07]->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- }
-
- if (NULL == dev) {
- unlock_kernel();
- return -ENODEV;
- }
-
printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh) {
- unlock_kernel();
+ if (NULL == fh)
return -ENOMEM;
- }
+
+ lock_kernel();
+
file->private_data = fh;
fh->dev = dev;
fh->type = type;
diff --git a/drivers/staging/cx25821/cx25821-videoioctl.c b/drivers/staging/cx25821/cx25821-videoioctl.c
index 2a312ce78c63..42ea8bfa9ed8 100644
--- a/drivers/staging/cx25821/cx25821-videoioctl.c
+++ b/drivers/staging/cx25821/cx25821-videoioctl.c
@@ -95,35 +95,19 @@ static struct videobuf_queue_ops cx25821_video_qops = {
static int video_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct cx25821_dev *h, *dev = NULL;
+ struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
- struct list_head *list;
- enum v4l2_buf_type type = 0;
+ enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
- lock_kernel();
- list_for_each(list, &cx25821_devlist) {
- h = list_entry(list, struct cx25821_dev, devlist);
-
- if (h->ioctl_dev && h->ioctl_dev->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- }
-
- if (NULL == dev) {
- unlock_kernel();
- return -ENODEV;
- }
-
printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh) {
- unlock_kernel();
+ if (NULL == fh)
return -ENOMEM;
- }
+
+ lock_kernel();
file->private_data = fh;
fh->dev = dev;
diff --git a/drivers/staging/cx25821/cx25821-vidups10.c b/drivers/staging/cx25821/cx25821-vidups10.c
index 77b63b060405..4e0033fa205b 100644
--- a/drivers/staging/cx25821/cx25821-vidups10.c
+++ b/drivers/staging/cx25821/cx25821-vidups10.c
@@ -95,35 +95,18 @@ static struct videobuf_queue_ops cx25821_video_qops = {
static int video_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct cx25821_dev *h, *dev = NULL;
+ struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
- struct list_head *list;
- enum v4l2_buf_type type = 0;
-
- lock_kernel();
- list_for_each(list, &cx25821_devlist) {
- h = list_entry(list, struct cx25821_dev, devlist);
-
- if (h->video_dev[SRAM_CH10]
- && h->video_dev[SRAM_CH10]->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- }
-
- if (NULL == dev) {
- unlock_kernel();
- return -ENODEV;
- }
+ enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh) {
- unlock_kernel();
+ if (NULL == fh)
return -ENOMEM;
- }
+
+ lock_kernel();
file->private_data = fh;
fh->dev = dev;
diff --git a/drivers/staging/cx25821/cx25821-vidups9.c b/drivers/staging/cx25821/cx25821-vidups9.c
index 75c8c1eed2da..67fc082e3086 100644
--- a/drivers/staging/cx25821/cx25821-vidups9.c
+++ b/drivers/staging/cx25821/cx25821-vidups9.c
@@ -95,35 +95,18 @@ static struct videobuf_queue_ops cx25821_video_qops = {
static int video_open(struct file *file)
{
int minor = video_devdata(file)->minor;
- struct cx25821_dev *h, *dev = NULL;
+ struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
- struct list_head *list;
- enum v4l2_buf_type type = 0;
-
- lock_kernel();
- list_for_each(list, &cx25821_devlist) {
- h = list_entry(list, struct cx25821_dev, devlist);
-
- if (h->video_dev[SRAM_CH09]
- && h->video_dev[SRAM_CH09]->minor == minor) {
- dev = h;
- type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- }
- }
-
- if (NULL == dev) {
- unlock_kernel();
- return -ENODEV;
- }
+ enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh) {
- unlock_kernel();
+ if (NULL == fh)
return -ENOMEM;
- }
+
+ lock_kernel();
file->private_data = fh;
fh->dev = dev;

Privacy Policy