[media] saa7134: remove dev from saa7134_fh, use saa7134_fh for empress node

Use the saa7134_fh struct for the empress video node as well, drop the dev
pointer from that struct since we can use drvdata for that.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/pci/saa7134/saa7134-empress.c b/drivers/media/pci/saa7134/saa7134-empress.c
index 8617757604b1eb808169e293674f19c4f0ee1016..17e5fcdad32a215206cec8c91a65dbc9c850f9b2 100644 (file)
--- a/drivers/media/pci/saa7134/saa7134-empress.c
+++ b/drivers/media/pci/saa7134/saa7134-empress.c
@@ -85,6 +85,7 @@ static int ts_open(struct file *file)
 {
        struct video_device *vdev = video_devdata(file);
        struct saa7134_dev *dev = video_drvdata(file);
+       struct saa7134_fh *fh;
        int err;
 
        dprintk("open dev=%s\n", video_device_node_name(vdev));
@@ -94,12 +95,22 @@ static int ts_open(struct file *file)
        if (atomic_read(&dev->empress_users))
                goto done;
 
+       /* allocate + initialize per filehandle data */
+       fh = kzalloc(sizeof(*fh), GFP_KERNEL);
+       err = -ENOMEM;
+       if (NULL == fh)
+               goto done;
+
+       v4l2_fh_init(&fh->fh, vdev);
+       file->private_data = fh;
+       fh->is_empress = true;
+       v4l2_fh_add(&fh->fh);
+
        /* Unmute audio */
        saa_writeb(SAA7134_AUDIO_MUTE_CTRL,
                saa_readb(SAA7134_AUDIO_MUTE_CTRL) & ~(1 << 6));
 
        atomic_inc(&dev->empress_users);
-       file->private_data = dev;
        err = 0;
 
 done:
@@ -109,7 +120,8 @@ done:
 
 static int ts_release(struct file *file)
 {
-       struct saa7134_dev *dev = file->private_data;
+       struct saa7134_dev *dev = video_drvdata(file);
+       struct saa7134_fh *fh = file->private_data;
 
        videobuf_stop(&dev->empress_tsq);
        videobuf_mmap_free(&dev->empress_tsq);
@@ -123,13 +135,15 @@ static int ts_release(struct file *file)
 
        atomic_dec(&dev->empress_users);
 
+       v4l2_fh_del(&fh->fh);
+       v4l2_fh_exit(&fh->fh);
        return 0;
 }
 
 static ssize_t
 ts_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 {
-       struct saa7134_dev *dev = file->private_data;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        if (!dev->empress_started)
                ts_init_encoder(dev);
@@ -142,7 +156,7 @@ ts_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 static unsigned int
 ts_poll(struct file *file, struct poll_table_struct *wait)
 {
-       struct saa7134_dev *dev = file->private_data;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        return videobuf_poll_stream(file, &dev->empress_tsq, wait);
 }
@@ -151,7 +165,7 @@ ts_poll(struct file *file, struct poll_table_struct *wait)
 static int
 ts_mmap(struct file *file, struct vm_area_struct * vma)
 {
-       struct saa7134_dev *dev = file->private_data;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        return videobuf_mmap_mapper(&dev->empress_tsq, vma);
 }
@@ -171,7 +185,7 @@ static int empress_enum_fmt_vid_cap(struct file *file, void  *priv,
 static int empress_g_fmt_vid_cap(struct file *file, void *priv,
                                struct v4l2_format *f)
 {
-       struct saa7134_dev *dev = file->private_data;
+       struct saa7134_dev *dev = video_drvdata(file);
        struct v4l2_mbus_framefmt mbus_fmt;
 
        saa_call_all(dev, video, g_mbus_fmt, &mbus_fmt);
@@ -188,7 +202,7 @@ static int empress_g_fmt_vid_cap(struct file *file, void *priv,
 static int empress_s_fmt_vid_cap(struct file *file, void *priv,
                                struct v4l2_format *f)
 {
-       struct saa7134_dev *dev = file->private_data;
+       struct saa7134_dev *dev = video_drvdata(file);
        struct v4l2_mbus_framefmt mbus_fmt;
 
        v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
@@ -206,7 +220,7 @@ static int empress_s_fmt_vid_cap(struct file *file, void *priv,
 static int empress_try_fmt_vid_cap(struct file *file, void *priv,
                                struct v4l2_format *f)
 {
-       struct saa7134_dev *dev = file->private_data;
+       struct saa7134_dev *dev = video_drvdata(file);
        struct v4l2_mbus_framefmt mbus_fmt;
 
        v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
@@ -224,7 +238,7 @@ static int empress_try_fmt_vid_cap(struct file *file, void *priv,
 static int empress_reqbufs(struct file *file, void *priv,
                                        struct v4l2_requestbuffers *p)
 {
-       struct saa7134_dev *dev = file->private_data;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        return videobuf_reqbufs(&dev->empress_tsq, p);
 }
@@ -232,21 +246,21 @@ static int empress_reqbufs(struct file *file, void *priv,
 static int empress_querybuf(struct file *file, void *priv,
                                        struct v4l2_buffer *b)
 {
-       struct saa7134_dev *dev = file->private_data;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        return videobuf_querybuf(&dev->empress_tsq, b);
 }
 
 static int empress_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
 {
-       struct saa7134_dev *dev = file->private_data;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        return videobuf_qbuf(&dev->empress_tsq, b);
 }
 
 static int empress_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
 {
-       struct saa7134_dev *dev = file->private_data;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        return videobuf_dqbuf(&dev->empress_tsq, b,
                                file->f_flags & O_NONBLOCK);
@@ -255,7 +269,7 @@ static int empress_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
 static int empress_streamon(struct file *file, void *priv,
                                        enum v4l2_buf_type type)
 {
-       struct saa7134_dev *dev = file->private_data;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        return videobuf_streamon(&dev->empress_tsq);
 }
@@ -263,7 +277,7 @@ static int empress_streamon(struct file *file, void *priv,
 static int empress_streamoff(struct file *file, void *priv,
                                        enum v4l2_buf_type type)
 {
-       struct saa7134_dev *dev = file->private_data;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        return videobuf_streamoff(&dev->empress_tsq);
 }

diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
index 4f85662cec9b7c6cc30a246adc42608270c39e3e..7ba42e2e5a18badc1f402e51f8fe667affe4b159 100644 (file)
--- a/drivers/media/pci/saa7134/saa7134-video.c
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -1090,8 +1090,7 @@ static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl)
 static struct videobuf_queue *saa7134_queue(struct file *file)
 {
        struct video_device *vdev = video_devdata(file);
-       struct saa7134_fh *fh = file->private_data;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
        struct videobuf_queue *q = NULL;
 
        switch (vdev->vfl_type) {
@@ -1134,7 +1133,6 @@ static int video_open(struct file *file)
 
        v4l2_fh_init(&fh->fh, vdev);
        file->private_data = fh;
-       fh->dev      = dev;
 
        if (vdev->vfl_type == VFL_TYPE_RADIO) {
                /* switch to radio mode */
@@ -1153,17 +1151,18 @@ static ssize_t
 video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 {
        struct video_device *vdev = video_devdata(file);
+       struct saa7134_dev *dev = video_drvdata(file);
        struct saa7134_fh *fh = file->private_data;
 
        switch (vdev->vfl_type) {
        case VFL_TYPE_GRABBER:
-               if (res_locked(fh->dev,RESOURCE_VIDEO))
+               if (res_locked(dev, RESOURCE_VIDEO))
                        return -EBUSY;
                return videobuf_read_one(saa7134_queue(file),
                                         data, count, ppos,
                                         file->f_flags & O_NONBLOCK);
        case VFL_TYPE_VBI:
-               if (!res_get(fh->dev,fh,RESOURCE_VBI))
+               if (!res_get(dev, fh, RESOURCE_VBI))
                        return -EBUSY;
                return videobuf_read_stream(saa7134_queue(file),
                                            data, count, ppos, 1,
@@ -1179,15 +1178,15 @@ static unsigned int
 video_poll(struct file *file, struct poll_table_struct *wait)
 {
        struct video_device *vdev = video_devdata(file);
+       struct saa7134_dev *dev = video_drvdata(file);
        struct saa7134_fh *fh = file->private_data;
-       struct saa7134_dev *dev = fh->dev;
        struct videobuf_buffer *buf = NULL;
        unsigned int rc = 0;
 
        if (vdev->vfl_type == VFL_TYPE_VBI)
                return videobuf_poll_stream(file, &dev->vbi, wait);
 
-       if (res_check(fh,RESOURCE_VIDEO)) {
+       if (res_check(fh, RESOURCE_VIDEO)) {
                mutex_lock(&dev->cap.vb_lock);
                if (!list_empty(&dev->cap.stream))
                        buf = list_entry(dev->cap.stream.next, struct videobuf_buffer, stream);
@@ -1195,7 +1194,7 @@ video_poll(struct file *file, struct poll_table_struct *wait)
                mutex_lock(&dev->cap.vb_lock);
                if (UNSET == dev->cap.read_off) {
                        /* need to capture a new frame */
-                       if (res_locked(fh->dev,RESOURCE_VIDEO))
+                       if (res_locked(dev, RESOURCE_VIDEO))
                                goto err;
                        if (0 != dev->cap.ops->buf_prepare(&dev->cap,
                                        dev->cap.read_buf, dev->cap.field))
@@ -1224,8 +1223,8 @@ err:
 static int video_release(struct file *file)
 {
        struct video_device *vdev = video_devdata(file);
-       struct saa7134_fh  *fh  = file->private_data;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
+       struct saa7134_fh *fh = file->private_data;
        struct saa6588_command cmd;
        unsigned long flags;
 
@@ -1236,14 +1235,14 @@ static int video_release(struct file *file)
                spin_lock_irqsave(&dev->slock,flags);
                stop_preview(dev);
                spin_unlock_irqrestore(&dev->slock,flags);
-               res_free(dev,fh,RESOURCE_OVERLAY);
+               res_free(dev, fh, RESOURCE_OVERLAY);
        }
 
        /* stop video capture */
        if (res_check(fh, RESOURCE_VIDEO)) {
                pm_qos_remove_request(&dev->qos_request);
                videobuf_streamoff(&dev->cap);
-               res_free(dev,fh,RESOURCE_VIDEO);
+               res_free(dev, fh, RESOURCE_VIDEO);
                videobuf_mmap_free(&dev->cap);
        }
        if (dev->cap.read_buf) {
@@ -1254,7 +1253,7 @@ static int video_release(struct file *file)
        /* stop vbi capture */
        if (res_check(fh, RESOURCE_VBI)) {
                videobuf_stop(&dev->vbi);
-               res_free(dev,fh,RESOURCE_VBI);
+               res_free(dev, fh, RESOURCE_VBI);
                videobuf_mmap_free(&dev->vbi);
        }
 
@@ -1283,8 +1282,7 @@ static int video_mmap(struct file *file, struct vm_area_struct * vma)
 static ssize_t radio_read(struct file *file, char __user *data,
                         size_t count, loff_t *ppos)
 {
-       struct saa7134_fh *fh = file->private_data;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
        struct saa6588_command cmd;
 
        cmd.block_count = count/3;
@@ -1299,8 +1297,7 @@ static ssize_t radio_read(struct file *file, char __user *data,
 
 static unsigned int radio_poll(struct file *file, poll_table *wait)
 {
-       struct saa7134_fh *fh = file->private_data;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
        struct saa6588_command cmd;
 
        cmd.instance = file;
@@ -1316,8 +1313,7 @@ static unsigned int radio_poll(struct file *file, poll_table *wait)
 static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
                                                struct v4l2_format *f)
 {
-       struct saa7134_fh *fh = priv;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
        struct saa7134_tvnorm *norm = dev->tvnorm;
 
        memset(&f->fmt.vbi.reserved, 0, sizeof(f->fmt.vbi.reserved));
@@ -1337,8 +1333,7 @@ static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv,
 static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
                                struct v4l2_format *f)
 {
-       struct saa7134_fh *fh = priv;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        f->fmt.pix.width        = dev->width;
        f->fmt.pix.height       = dev->height;
@@ -1356,8 +1351,7 @@ static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
 static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
                                struct v4l2_format *f)
 {
-       struct saa7134_fh *fh = priv;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
        struct v4l2_clip __user *clips = f->fmt.win.clips;
        u32 clipcount = f->fmt.win.clipcount;
        int err = 0;
@@ -1389,8 +1383,7 @@ static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv,
 static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
                                                struct v4l2_format *f)
 {
-       struct saa7134_fh *fh = priv;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
        struct saa7134_format *fmt;
        enum v4l2_field field;
        unsigned int maxw, maxh;
@@ -1441,8 +1434,7 @@ static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
 static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
                                                struct v4l2_format *f)
 {
-       struct saa7134_fh *fh = priv;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        if (saa7134_no_overlay > 0) {
                printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
@@ -1457,8 +1449,7 @@ static int saa7134_try_fmt_vid_overlay(struct file *file, void *priv,
 static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
                                        struct v4l2_format *f)
 {
-       struct saa7134_fh *fh = priv;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
        int err;
 
        err = saa7134_try_fmt_vid_cap(file, priv, f);
@@ -1475,8 +1466,7 @@ static int saa7134_s_fmt_vid_cap(struct file *file, void *priv,
 static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
                                        struct v4l2_format *f)
 {
-       struct saa7134_fh *fh = priv;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
        int err;
        unsigned long flags;
 
@@ -1501,7 +1491,7 @@ static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv,
                return -EFAULT;
        }
 
-       if (res_check(fh, RESOURCE_OVERLAY)) {
+       if (res_check(priv, RESOURCE_OVERLAY)) {
                spin_lock_irqsave(&dev->slock, flags);
                stop_preview(dev);
                start_preview(dev);
@@ -1572,6 +1562,7 @@ int saa7134_querycap(struct file *file, void *priv,
 {
        struct saa7134_dev *dev = video_drvdata(file);
        struct video_device *vdev = video_devdata(file);
+       struct saa7134_fh *fh = priv;
        u32 radio_caps, video_caps, vbi_caps;
 
        unsigned int tuner_type = dev->tuner_type;
@@ -1590,8 +1581,7 @@ int saa7134_querycap(struct file *file, void *priv,
                radio_caps |= V4L2_CAP_RDS_CAPTURE;
 
        video_caps = V4L2_CAP_VIDEO_CAPTURE;
-       /* For the empress video node priv == dev */
-       if (saa7134_no_overlay <= 0 && priv != dev)
+       if (saa7134_no_overlay <= 0 && !fh->is_empress)
                video_caps |= V4L2_CAP_VIDEO_OVERLAY;
 
        vbi_caps = V4L2_CAP_VBI_CAPTURE;
@@ -1622,13 +1612,12 @@ EXPORT_SYMBOL_GPL(saa7134_querycap);
 int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
 {
        struct saa7134_dev *dev = video_drvdata(file);
-       /* For the empress video node priv == dev */
-       bool is_empress = priv == dev;
+       struct saa7134_fh *fh = priv;
        unsigned long flags;
        unsigned int i;
        v4l2_std_id fixup;
 
-       if (is_empress && res_locked(dev, RESOURCE_OVERLAY)) {
+       if (fh->is_empress && res_locked(dev, RESOURCE_OVERLAY)) {
                /* Don't change the std from the mpeg device
                   if overlay is active. */
                return -EBUSY;
@@ -1668,7 +1657,7 @@ int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id)
        id = tvnorms[i].id;
 
        mutex_lock(&dev->lock);
-       if (!is_empress && res_check(priv, RESOURCE_OVERLAY)) {
+       if (!fh->is_empress && res_check(fh, RESOURCE_OVERLAY)) {
                spin_lock_irqsave(&dev->slock, flags);
                stop_preview(dev);
                spin_unlock_irqrestore(&dev->slock, flags);
@@ -1699,8 +1688,7 @@ EXPORT_SYMBOL_GPL(saa7134_g_std);
 static int saa7134_cropcap(struct file *file, void *priv,
                                        struct v4l2_cropcap *cap)
 {
-       struct saa7134_fh *fh = priv;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
            cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
@@ -1722,8 +1710,7 @@ static int saa7134_cropcap(struct file *file, void *priv,
 
 static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
 {
-       struct saa7134_fh *fh = f;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
            crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
@@ -1734,8 +1721,7 @@ static int saa7134_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
 
 static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
 {
-       struct saa7134_fh *fh = f;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
        struct v4l2_rect *b = &dev->crop_bounds;
        struct v4l2_rect *c = &dev->crop_current;
 
@@ -1747,9 +1733,9 @@ static int saa7134_s_crop(struct file *file, void *f, const struct v4l2_crop *cr
        if (crop->c.width < 0)
                return -EINVAL;
 
-       if (res_locked(fh->dev, RESOURCE_OVERLAY))
+       if (res_locked(dev, RESOURCE_OVERLAY))
                return -EBUSY;
-       if (res_locked(fh->dev, RESOURCE_VIDEO))
+       if (res_locked(dev, RESOURCE_VIDEO))
                return -EBUSY;
 
        *c = crop->c;
@@ -1889,8 +1875,7 @@ static int saa7134_enum_fmt_vid_overlay(struct file *file, void  *priv,
 static int saa7134_g_fbuf(struct file *file, void *f,
                                struct v4l2_framebuffer *fb)
 {
-       struct saa7134_fh *fh = f;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        *fb = dev->ovbuf;
        fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
@@ -1901,8 +1886,7 @@ static int saa7134_g_fbuf(struct file *file, void *f,
 static int saa7134_s_fbuf(struct file *file, void *f,
                                        const struct v4l2_framebuffer *fb)
 {
-       struct saa7134_fh *fh = f;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
        struct saa7134_format *fmt;
 
        if (!capable(CAP_SYS_ADMIN) &&
@@ -1923,10 +1907,9 @@ static int saa7134_s_fbuf(struct file *file, void *f,
        return 0;
 }
 
-static int saa7134_overlay(struct file *file, void *f, unsigned int on)
+static int saa7134_overlay(struct file *file, void *priv, unsigned int on)
 {
-       struct saa7134_fh *fh = f;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
        unsigned long flags;
 
        if (on) {
@@ -1935,19 +1918,19 @@ static int saa7134_overlay(struct file *file, void *f, unsigned int on)
                        return -EINVAL;
                }
 
-               if (!res_get(dev, fh, RESOURCE_OVERLAY))
+               if (!res_get(dev, priv, RESOURCE_OVERLAY))
                        return -EBUSY;
                spin_lock_irqsave(&dev->slock, flags);
                start_preview(dev);
                spin_unlock_irqrestore(&dev->slock, flags);
        }
        if (!on) {
-               if (!res_check(fh, RESOURCE_OVERLAY))
+               if (!res_check(priv, RESOURCE_OVERLAY))
                        return -EINVAL;
                spin_lock_irqsave(&dev->slock, flags);
                stop_preview(dev);
                spin_unlock_irqrestore(&dev->slock, flags);
-               res_free(dev, fh, RESOURCE_OVERLAY);
+               res_free(dev, priv, RESOURCE_OVERLAY);
        }
        return 0;
 }
@@ -1978,11 +1961,10 @@ static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
 static int saa7134_streamon(struct file *file, void *priv,
                                        enum v4l2_buf_type type)
 {
-       struct saa7134_fh *fh = priv;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
        int res = saa7134_resource(file);
 
-       if (!res_get(dev, fh, res))
+       if (!res_get(dev, priv, res))
                return -EBUSY;
 
        /* The SAA7134 has a 1K FIFO; the datasheet suggests that when
@@ -2002,9 +1984,8 @@ static int saa7134_streamon(struct file *file, void *priv,
 static int saa7134_streamoff(struct file *file, void *priv,
                                        enum v4l2_buf_type type)
 {
+       struct saa7134_dev *dev = video_drvdata(file);
        int err;
-       struct saa7134_fh *fh = priv;
-       struct saa7134_dev *dev = fh->dev;
        int res = saa7134_resource(file);
 
        pm_qos_remove_request(&dev->qos_request);
@@ -2012,7 +1993,7 @@ static int saa7134_streamoff(struct file *file, void *priv,
        err = videobuf_streamoff(saa7134_queue(file));
        if (err < 0)
                return err;
-       res_free(dev, fh, res);
+       res_free(dev, priv, res);
        return 0;
 }
 
@@ -2020,8 +2001,7 @@ static int saa7134_streamoff(struct file *file, void *priv,
 static int vidioc_g_register (struct file *file, void *priv,
                              struct v4l2_dbg_register *reg)
 {
-       struct saa7134_fh *fh = priv;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        reg->val = saa_readb(reg->reg & 0xffffff);
        reg->size = 1;
@@ -2031,8 +2011,7 @@ static int vidioc_g_register (struct file *file, void *priv,
 static int vidioc_s_register (struct file *file, void *priv,
                                const struct v4l2_dbg_register *reg)
 {
-       struct saa7134_fh *fh = priv;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        saa_writeb(reg->reg & 0xffffff, reg->val);
        return 0;
@@ -2042,8 +2021,7 @@ static int vidioc_s_register (struct file *file, void *priv,
 static int radio_g_tuner(struct file *file, void *priv,
                                        struct v4l2_tuner *t)
 {
-       struct saa7134_fh *fh = file->private_data;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        if (0 != t->index)
                return -EINVAL;
@@ -2062,8 +2040,7 @@ static int radio_g_tuner(struct file *file, void *priv,
 static int radio_s_tuner(struct file *file, void *priv,
                                        const struct v4l2_tuner *t)
 {
-       struct saa7134_fh *fh = file->private_data;
-       struct saa7134_dev *dev = fh->dev;
+       struct saa7134_dev *dev = video_drvdata(file);
 
        if (0 != t->index)
                return -EINVAL;

diff --git a/drivers/media/pci/saa7134/saa7134.h b/drivers/media/pci/saa7134/saa7134.h
index 3573aa2f258fd2d2df8a9d8a6567fd35fa06a318..d7bef5e292b4967c10ef8a3a470e37478483b4a6 100644 (file)
--- a/drivers/media/pci/saa7134/saa7134.h
+++ b/drivers/media/pci/saa7134/saa7134.h
@@ -476,7 +476,7 @@ struct saa7134_dmaqueue {
 /* video filehandle status */
 struct saa7134_fh {
        struct v4l2_fh             fh;
-       struct saa7134_dev         *dev;
+       bool                       is_empress;
        unsigned int               resources;
 };