V4L/DVB (3318b): sem2mutex: drivers/media/, #2

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

30 files changed, 366 insertions, 353 deletions

diff --git a/drivers/media/video/arv.c b/drivers/media/video/arv.c
index 994b75fe165a..c586f64b6b7f 100644
--- a/drivers/media/video/arv.c
+++ b/drivers/media/video/arv.c
@@ -31,8 +31,8 @@
 #include <linux/mm.h>
 #include <linux/sched.h>
 #include <linux/videodev.h>
+#include <linux/mutex.h>
 
-#include <asm/semaphore.h>
 #include <asm/uaccess.h>
 #include <asm/m32r.h>
 #include <asm/io.h>
@@ -117,7 +117,7 @@ struct ar_device {
         int width, height;
         int frame_bytes, line_bytes;
         wait_queue_head_t wait;
-        struct semaphore lock;
+        struct mutex lock;
 };
 
 static int video_nr = -1;       /* video device number (first free) */
@@ -288,7 +288,7 @@ static ssize_t ar_read(struct file *file, char *buf, size_t count, loff_t *ppos)
         if (ar->mode == AR_MODE_NORMAL)
                 arvcr1 |= ARVCR1_NORMAL;
 
-        down(&ar->lock);
+        mutex_lock(&ar->lock);
 
 #if USE_INT
         local_irq_save(flags);
@@ -392,7 +392,7 @@ static ssize_t ar_read(struct file *file, char *buf, size_t count, loff_t *ppos)
         }
         DEBUG(1, "ret = %d\n", ret);
 out_up:
-        up(&ar->lock);
+        mutex_unlock(&ar->lock);
         return ret;
 }
 
@@ -456,7 +456,7 @@ static int ar_do_ioctl(struct inode *inode, struct file *file,
                     (w->width != AR_WIDTH_QVGA || w->height != AR_HEIGHT_QVGA))
                                 return -EINVAL;
 
-                down(&ar->lock);
+                mutex_lock(&ar->lock);
                 ar->width = w->width;
                 ar->height = w->height;
                 if (ar->width == AR_WIDTH_VGA) {
@@ -473,7 +473,7 @@ static int ar_do_ioctl(struct inode *inode, struct file *file,
                         ar->line_bytes = AR_LINE_BYTES_QVGA;
                         ar->mode = AR_MODE_INTERLACE;
                 }
-                up(&ar->lock);
+                mutex_unlock(&ar->lock);
                 return 0;
         }
         case VIDIOCGFBUF:
@@ -734,7 +734,7 @@ static int ar_initialize(struct video_device *dev)
 void ar_release(struct video_device *vfd)
 {
         struct ar_device *ar = vfd->priv;
-        down(&ar->lock);
+        mutex_lock(&ar->lock);
         video_device_release(vfd);
 }
 
@@ -824,7 +824,7 @@ static int __init ar_init(void)
                 ar->line_bytes  = AR_LINE_BYTES_QVGA;
                 ar->mode        = AR_MODE_INTERLACE;
         }
-        init_MUTEX(&ar->lock);
+        mutex_init(&ar->lock);
         init_waitqueue_head(&ar->wait);
 
 #if USE_INT
diff --git a/drivers/media/video/bttv-driver.c b/drivers/media/video/bttv-driver.c
index 578b20085082..c0415d6e7fee 100644
--- a/drivers/media/video/bttv-driver.c
+++ b/drivers/media/video/bttv-driver.c
@@ -1965,7 +1965,7 @@ static int setup_window(struct bttv_fh *fh, struct bttv *btv,
                 BUG();
         }
 
-        down(&fh->cap.lock);
+        mutex_lock(&fh->cap.lock);
                 kfree(fh->ov.clips);
         fh->ov.clips    = clips;
         fh->ov.nclips   = n;
@@ -1986,7 +1986,7 @@ static int setup_window(struct bttv_fh *fh, struct bttv *btv,
                 bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
                 retval = bttv_switch_overlay(btv,fh,new);
         }
-        up(&fh->cap.lock);
+        mutex_unlock(&fh->cap.lock);
         return retval;
 }
 
@@ -2166,7 +2166,7 @@ static int bttv_s_fmt(struct bttv_fh *fh, struct bttv *btv,
                 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 
                 /* update our state informations */
-                down(&fh->cap.lock);
+                mutex_lock(&fh->cap.lock);
                 fh->fmt              = fmt;
                 fh->cap.field        = f->fmt.pix.field;
                 fh->cap.last         = V4L2_FIELD_NONE;
@@ -2175,7 +2175,7 @@ static int bttv_s_fmt(struct bttv_fh *fh, struct bttv *btv,
                 btv->init.fmt        = fmt;
                 btv->init.width      = f->fmt.pix.width;
                 btv->init.height     = f->fmt.pix.height;
-                up(&fh->cap.lock);
+                mutex_unlock(&fh->cap.lock);
 
                 return 0;
         }
@@ -2282,7 +2282,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
                 fmt = format_by_palette(pic->palette);
                 if (NULL == fmt)
                         return -EINVAL;
-                down(&fh->cap.lock);
+                mutex_lock(&fh->cap.lock);
                 if (fmt->depth != pic->depth) {
                         retval = -EINVAL;
                         goto fh_unlock_and_return;
@@ -2313,7 +2313,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
                 bt848_contrast(btv,pic->contrast);
                 bt848_hue(btv,pic->hue);
                 bt848_sat(btv,pic->colour);
-                up(&fh->cap.lock);
+                mutex_unlock(&fh->cap.lock);
                 return 0;
         }
 
@@ -2379,7 +2379,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
                         return -EPERM;
                 end = (unsigned long)fbuf->base +
                         fbuf->height * fbuf->bytesperline;
-                down(&fh->cap.lock);
+                mutex_lock(&fh->cap.lock);
                 retval = -EINVAL;
 
                 switch (fbuf->depth) {
@@ -2417,7 +2417,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
                         btv->fbuf.fmt.bytesperline = fbuf->bytesperline;
                 else
                         btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fbuf->depth/8;
-                up(&fh->cap.lock);
+                mutex_unlock(&fh->cap.lock);
                 return 0;
         }
 
@@ -2440,7 +2440,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
                 if (!check_alloc_btres(btv,fh,RESOURCE_OVERLAY))
                         return -EBUSY;
 
-                down(&fh->cap.lock);
+                mutex_lock(&fh->cap.lock);
                 if (*on) {
                         fh->ov.tvnorm = btv->tvnorm;
                         new = videobuf_alloc(sizeof(*new));
@@ -2451,7 +2451,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
 
                 /* switch over */
                 retval = bttv_switch_overlay(btv,fh,new);
-                up(&fh->cap.lock);
+                mutex_unlock(&fh->cap.lock);
                 return retval;
         }
 
@@ -2460,7 +2460,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
                 struct video_mbuf *mbuf = arg;
                 unsigned int i;
 
-                down(&fh->cap.lock);
+                mutex_lock(&fh->cap.lock);
                 retval = videobuf_mmap_setup(&fh->cap,gbuffers,gbufsize,
                                              V4L2_MEMORY_MMAP);
                 if (retval < 0)
@@ -2470,7 +2470,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
                 mbuf->size   = gbuffers * gbufsize;
                 for (i = 0; i < gbuffers; i++)
                         mbuf->offsets[i] = i * gbufsize;
-                up(&fh->cap.lock);
+                mutex_unlock(&fh->cap.lock);
                 return 0;
         }
         case VIDIOCMCAPTURE:
@@ -2482,7 +2482,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
                 if (vm->frame >= VIDEO_MAX_FRAME)
                         return -EINVAL;
 
-                down(&fh->cap.lock);
+                mutex_lock(&fh->cap.lock);
                 retval = -EINVAL;
                 buf = (struct bttv_buffer *)fh->cap.bufs[vm->frame];
                 if (NULL == buf)
@@ -2504,7 +2504,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
                 spin_lock_irqsave(&btv->s_lock,flags);
                 buffer_queue(&fh->cap,&buf->vb);
                 spin_unlock_irqrestore(&btv->s_lock,flags);
-                up(&fh->cap.lock);
+                mutex_unlock(&fh->cap.lock);
                 return 0;
         }
         case VIDIOCSYNC:
@@ -2515,7 +2515,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
                 if (*frame >= VIDEO_MAX_FRAME)
                         return -EINVAL;
 
-                down(&fh->cap.lock);
+                mutex_lock(&fh->cap.lock);
                 retval = -EINVAL;
                 buf = (struct bttv_buffer *)fh->cap.bufs[*frame];
                 if (NULL == buf)
@@ -2535,7 +2535,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
                         retval = -EINVAL;
                         break;
                 }
-                up(&fh->cap.lock);
+                mutex_unlock(&fh->cap.lock);
                 return retval;
         }
 
@@ -2719,7 +2719,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
                 if (0 == (fmt->flags & FORMAT_FLAGS_PACKED))
                         return -EINVAL;
 
-                down(&fh->cap.lock);
+                mutex_lock(&fh->cap.lock);
                 retval = -EINVAL;
                 if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
                         if (fb->fmt.width > bttv_tvnorms[btv->tvnorm].swidth)
@@ -2759,7 +2759,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
                                 retval = bttv_switch_overlay(btv,fh,new);
                         }
                 }
-                up(&fh->cap.lock);
+                mutex_unlock(&fh->cap.lock);
                 return retval;
         }
 
@@ -2890,7 +2890,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
         return 0;
 
  fh_unlock_and_return:
-        up(&fh->cap.lock);
+        mutex_unlock(&fh->cap.lock);
         return retval;
 }
 
@@ -2957,16 +2957,16 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait)
                 buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream);
         } else {
                 /* read() capture */
-                down(&fh->cap.lock);
+                mutex_lock(&fh->cap.lock);
                 if (NULL == fh->cap.read_buf) {
                         /* need to capture a new frame */
                         if (locked_btres(fh->btv,RESOURCE_VIDEO)) {
-                                up(&fh->cap.lock);
+                                mutex_unlock(&fh->cap.lock);
                                 return POLLERR;
                         }
                         fh->cap.read_buf = videobuf_alloc(fh->cap.msize);
                         if (NULL == fh->cap.read_buf) {
-                                up(&fh->cap.lock);
+                                mutex_unlock(&fh->cap.lock);
                                 return POLLERR;
                         }
                         fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR;
@@ -2974,13 +2974,13 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait)
                         if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) {
                                 kfree (fh->cap.read_buf);
                                 fh->cap.read_buf = NULL;
-                                up(&fh->cap.lock);
+                                mutex_unlock(&fh->cap.lock);
                                 return POLLERR;
                         }
                         fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
                         fh->cap.read_off = 0;
                 }
-                up(&fh->cap.lock);
+                mutex_unlock(&fh->cap.lock);
                 buf = (struct bttv_buffer*)fh->cap.read_buf;
         }
 
diff --git a/drivers/media/video/bw-qcam.c b/drivers/media/video/bw-qcam.c
index 6bad93ef969f..d97b7d8ac33d 100644
--- a/drivers/media/video/bw-qcam.c
+++ b/drivers/media/video/bw-qcam.c
@@ -73,7 +73,7 @@ OTHER DEALINGS IN THE SOFTWARE.
 #include <linux/parport.h>
 #include <linux/sched.h>
 #include <linux/videodev.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 #include <asm/uaccess.h>
 
 #include "bw-qcam.h"
@@ -168,7 +168,7 @@ static struct qcam_device *qcam_init(struct parport *port)
         
         memcpy(&q->vdev, &qcam_template, sizeof(qcam_template));
         
-        init_MUTEX(&q->lock);
+        mutex_init(&q->lock);
 
         q->port_mode = (QC_ANY | QC_NOTSET);
         q->width = 320;
@@ -772,9 +772,9 @@ static int qcam_do_ioctl(struct inode *inode, struct file *file,
                         qcam->whitebal = p->whiteness>>8;
                         qcam->bpp = p->depth;
 
-                        down(&qcam->lock);                      
+                        mutex_lock(&qcam->lock);
                         qc_setscanmode(qcam);
-                        up(&qcam->lock);
+                        mutex_unlock(&qcam->lock);
                         qcam->status |= QC_PARAM_CHANGE;
 
                         return 0;
@@ -805,9 +805,9 @@ static int qcam_do_ioctl(struct inode *inode, struct file *file,
                                 qcam->height = 240;
                                 qcam->transfer_scale = 1;
                         }
-                        down(&qcam->lock);
+                        mutex_lock(&qcam->lock);
                         qc_setscanmode(qcam);
-                        up(&qcam->lock);
+                        mutex_unlock(&qcam->lock);
                         
                         /* We must update the camera before we grab. We could
                            just have changed the grab size */
@@ -854,7 +854,7 @@ static ssize_t qcam_read(struct file *file, char __user *buf,
         int len;
         parport_claim_or_block(qcam->pdev);
         
-        down(&qcam->lock);
+        mutex_lock(&qcam->lock);
         
         qc_reset(qcam);
 
@@ -864,7 +864,7 @@ static ssize_t qcam_read(struct file *file, char __user *buf,
 
         len=qc_capture(qcam, buf,count);
         
-        up(&qcam->lock);
+        mutex_unlock(&qcam->lock);
         
         parport_release(qcam->pdev);
         return len;
diff --git a/drivers/media/video/bw-qcam.h b/drivers/media/video/bw-qcam.h
index 723e8ad9e56a..6701dafbc0da 100644
--- a/drivers/media/video/bw-qcam.h
+++ b/drivers/media/video/bw-qcam.h
@@ -55,7 +55,7 @@ struct qcam_device {
         struct video_device vdev;
         struct pardevice *pdev;
         struct parport *pport;
-        struct semaphore lock;
+        struct mutex lock;
         int width, height;
         int bpp;
         int mode;
diff --git a/drivers/media/video/c-qcam.c b/drivers/media/video/c-qcam.c
index 9976db4f6da8..8211fd8d7cbf 100644
--- a/drivers/media/video/c-qcam.c
+++ b/drivers/media/video/c-qcam.c
@@ -34,7 +34,8 @@
 #include <linux/parport.h>
 #include <linux/sched.h>
 #include <linux/videodev.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
+
 #include <asm/uaccess.h>
 
 struct qcam_device {
@@ -47,7 +48,7 @@ struct qcam_device {
         int contrast, brightness, whitebal;
         int top, left;
         unsigned int bidirectional;
-        struct semaphore lock;
+        struct mutex lock;
 };
 
 /* cameras maximum */
@@ -581,11 +582,11 @@ static int qcam_do_ioctl(struct inode *inode, struct file *file,
                         qcam->contrast = p->contrast>>8;
                         qcam->whitebal = p->whiteness>>8;
 
-                        down(&qcam->lock);                      
+                        mutex_lock(&qcam->lock);
                         parport_claim_or_block(qcam->pdev);
                         qc_setup(qcam); 
                         parport_release(qcam->pdev);
-                        up(&qcam->lock);
+                        mutex_unlock(&qcam->lock);
                         return 0;
                 }
                 case VIDIOCSWIN:
@@ -628,11 +629,11 @@ static int qcam_do_ioctl(struct inode *inode, struct file *file,
 #endif
                         /* Ok we figured out what to use from our 
                            wide choice */
-                        down(&qcam->lock);
+                        mutex_lock(&qcam->lock);
                         parport_claim_or_block(qcam->pdev);
                         qc_setup(qcam);
                         parport_release(qcam->pdev);
-                        up(&qcam->lock);
+                        mutex_unlock(&qcam->lock);
                         return 0;
                 }
                 case VIDIOCGWIN:
@@ -672,12 +673,12 @@ static ssize_t qcam_read(struct file *file, char __user *buf,
         struct qcam_device *qcam=(struct qcam_device *)v;
         int len;
 
-        down(&qcam->lock);
+        mutex_lock(&qcam->lock);
         parport_claim_or_block(qcam->pdev);
         /* Probably should have a semaphore against multiple users */
         len = qc_capture(qcam, buf,count); 
         parport_release(qcam->pdev);
-        up(&qcam->lock);
+        mutex_unlock(&qcam->lock);
         return len;
 }
 
@@ -727,7 +728,7 @@ static struct qcam_device *qcam_init(struct parport *port)
         
         memcpy(&q->vdev, &qcam_template, sizeof(qcam_template));
 
-        init_MUTEX(&q->lock);
+        mutex_init(&q->lock);
         q->width = q->ccd_width = 320;
         q->height = q->ccd_height = 240;
         q->mode = QC_MILLIONS | QC_DECIMATION_1;
diff --git a/drivers/media/video/cpia.c b/drivers/media/video/cpia.c
index 9f59541155d9..c2405029a720 100644
--- a/drivers/media/video/cpia.c
+++ b/drivers/media/video/cpia.c
@@ -39,7 +39,7 @@
 #include <linux/pagemap.h>
 #include <linux/delay.h>
 #include <asm/io.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 #ifdef CONFIG_KMOD
 #include <linux/kmod.h>
@@ -622,7 +622,7 @@ static int cpia_write_proc(struct file *file, const char __user *buf,
         
         buffer = page;
         
-        if (down_interruptible(&cam->param_lock))
+        if (mutex_lock_interruptible(&cam->param_lock))
                 return -ERESTARTSYS;
         
         /*
@@ -1350,7 +1350,7 @@ static int cpia_write_proc(struct file *file, const char __user *buf,
         } else
                 DBG("error: %d\n", retval);
         
-        up(&cam->param_lock);
+        mutex_unlock(&cam->param_lock);
         
 out:
         free_page((unsigned long)page);
@@ -1664,7 +1664,7 @@ static int do_command(struct cam_data *cam, u16 command, u8 a, u8 b, u8 c, u8 d)
         case CPIA_COMMAND_GetColourParams:
         case CPIA_COMMAND_GetColourBalance:
         case CPIA_COMMAND_GetExposure:
-                down(&cam->param_lock);
+                mutex_lock(&cam->param_lock);
                 datasize=8;
                 break;
         case CPIA_COMMAND_ReadMCPorts: 
@@ -1691,7 +1691,7 @@ static int do_command(struct cam_data *cam, u16 command, u8 a, u8 b, u8 c, u8 d)
                 if (command == CPIA_COMMAND_GetColourParams ||
                     command == CPIA_COMMAND_GetColourBalance ||
                     command == CPIA_COMMAND_GetExposure)
-                        up(&cam->param_lock);
+                        mutex_unlock(&cam->param_lock);
         } else {
                 switch(command) {
                 case CPIA_COMMAND_GetCPIAVersion:
@@ -1726,13 +1726,13 @@ static int do_command(struct cam_data *cam, u16 command, u8 a, u8 b, u8 c, u8 d)
                         cam->params.colourParams.brightness = data[0];
                         cam->params.colourParams.contrast = data[1];
                         cam->params.colourParams.saturation = data[2];
-                        up(&cam->param_lock);
+                        mutex_unlock(&cam->param_lock);
                         break;
                 case CPIA_COMMAND_GetColourBalance:
                         cam->params.colourBalance.redGain = data[0];
                         cam->params.colourBalance.greenGain = data[1];
                         cam->params.colourBalance.blueGain = data[2];
-                        up(&cam->param_lock);
+                        mutex_unlock(&cam->param_lock);
                         break;
                 case CPIA_COMMAND_GetExposure:
                         cam->params.exposure.gain = data[0];
@@ -1743,7 +1743,7 @@ static int do_command(struct cam_data *cam, u16 command, u8 a, u8 b, u8 c, u8 d)
                         cam->params.exposure.green1Comp = data[5];
                         cam->params.exposure.green2Comp = data[6];
                         cam->params.exposure.blueComp = data[7];
-                        up(&cam->param_lock);
+                        mutex_unlock(&cam->param_lock);
                         break;
 
                 case CPIA_COMMAND_ReadMCPorts: 
@@ -2059,7 +2059,7 @@ static int parse_picture(struct cam_data *cam, int size)
         int rows, cols, linesize, subsample_422;
 
         /* make sure params don't change while we are decoding */
-        down(&cam->param_lock);
+        mutex_lock(&cam->param_lock);
 
         obuf = cam->decompressed_frame.data;
         end_obuf = obuf+CPIA_MAX_FRAME_SIZE;
@@ -2069,26 +2069,26 @@ static int parse_picture(struct cam_data *cam, int size)
 
         if ((ibuf[0] != MAGIC_0) || (ibuf[1] != MAGIC_1)) {
                 LOG("header not found\n");
-                up(&cam->param_lock);
+                mutex_unlock(&cam->param_lock);
                 return -1;
         }
 
         if ((ibuf[16] != VIDEOSIZE_QCIF) && (ibuf[16] != VIDEOSIZE_CIF)) {
                 LOG("wrong video size\n");
-                up(&cam->param_lock);
+                mutex_unlock(&cam->param_lock);
                 return -1;
         }
         
         if (ibuf[17] != SUBSAMPLE_420 && ibuf[17] != SUBSAMPLE_422) {
                 LOG("illegal subtype %d\n",ibuf[17]);
-                up(&cam->param_lock);
+                mutex_unlock(&cam->param_lock);
                 return -1;
         }
         subsample_422 = ibuf[17] == SUBSAMPLE_422;
         
         if (ibuf[18] != YUVORDER_YUYV && ibuf[18] != YUVORDER_UYVY) {
                 LOG("illegal yuvorder %d\n",ibuf[18]);
-                up(&cam->param_lock);
+                mutex_unlock(&cam->param_lock);
                 return -1;
         }
         in_uyvy = ibuf[18] == YUVORDER_UYVY;
@@ -2098,7 +2098,7 @@ static int parse_picture(struct cam_data *cam, int size)
             (ibuf[26] != cam->params.roi.rowStart) ||
             (ibuf[27] != cam->params.roi.rowEnd)) {
                 LOG("ROI mismatch\n");
-                up(&cam->param_lock);
+                mutex_unlock(&cam->param_lock);
                 return -1;
         }
         cols = 8*(ibuf[25] - ibuf[24]);
@@ -2107,14 +2107,14 @@ static int parse_picture(struct cam_data *cam, int size)
         
         if ((ibuf[28] != NOT_COMPRESSED) && (ibuf[28] != COMPRESSED)) {
                 LOG("illegal compression %d\n",ibuf[28]);
-                up(&cam->param_lock);
+                mutex_unlock(&cam->param_lock);
                 return -1;
         }
         compressed = (ibuf[28] == COMPRESSED);
         
         if (ibuf[29] != NO_DECIMATION && ibuf[29] != DECIMATION_ENAB) {
                 LOG("illegal decimation %d\n",ibuf[29]);
-                up(&cam->param_lock);
+                mutex_unlock(&cam->param_lock);
                 return -1;
         }
         decimation = (ibuf[29] == DECIMATION_ENAB);     
@@ -2130,7 +2130,7 @@ static int parse_picture(struct cam_data *cam, int size)
         cam->params.status.vpStatus = ibuf[38];
         cam->params.status.errorCode = ibuf[39];
         cam->fps = ibuf[41];
-        up(&cam->param_lock);
+        mutex_unlock(&cam->param_lock);
         
         linesize = skipcount(cols, out_fmt);
         ibuf += FRAME_HEADER_SIZE;
@@ -2271,9 +2271,9 @@ static int find_over_exposure(int brightness)
 /* update various camera modes and settings */
 static void dispatch_commands(struct cam_data *cam)
 {
-        down(&cam->param_lock);
+        mutex_lock(&cam->param_lock);
         if (cam->cmd_queue==COMMAND_NONE) {
-                up(&cam->param_lock);
+                mutex_unlock(&cam->param_lock);
                 return;
         }
         DEB_BYTE(cam->cmd_queue);
@@ -2415,7 +2415,7 @@ static void dispatch_commands(struct cam_data *cam)
           }
 
         cam->cmd_queue = COMMAND_NONE;
-        up(&cam->param_lock);
+        mutex_unlock(&cam->param_lock);
         return;
 }
 
@@ -2562,7 +2562,7 @@ static void monitor_exposure(struct cam_data *cam)
         gain = data[2];
         coarseL = data[3];
 
-        down(&cam->param_lock);
+        mutex_lock(&cam->param_lock);
         light_exp = cam->params.colourParams.brightness +
                     TC - 50 + EXP_ACC_LIGHT;
         if(light_exp > 255)
@@ -2762,7 +2762,7 @@ static void monitor_exposure(struct cam_data *cam)
                         LOG("Automatically increasing sensor_fps\n");
                 }
         }
-        up(&cam->param_lock);
+        mutex_unlock(&cam->param_lock);
 }
 
 /*-----------------------------------------------------------------*/
@@ -2778,10 +2778,10 @@ static void restart_flicker(struct cam_data *cam)
         int cam_exposure, old_exp;
         if(!FIRMWARE_VERSION(1,2))
                 return;
-        down(&cam->param_lock);
+        mutex_lock(&cam->param_lock);
         if(cam->params.flickerControl.flickerMode == 0 ||
            cam->raw_image[39] == 0) {
-                up(&cam->param_lock);
+                mutex_unlock(&cam->param_lock);
                 return;
         }
         cam_exposure = cam->raw_image[39]*2;
@@ -2810,7 +2810,7 @@ static void restart_flicker(struct cam_data *cam)
                         cam->exposure_status = EXPOSURE_NORMAL;
 
         }
-        up(&cam->param_lock);
+        mutex_unlock(&cam->param_lock);
 }
 #undef FIRMWARE_VERSION
 
@@ -3186,7 +3186,7 @@ static int cpia_open(struct inode *inode, struct file *file)
         if (!try_module_get(cam->ops->owner))
                 return -ENODEV;
 
-        down(&cam->busy_lock);
+        mutex_lock(&cam->busy_lock);
         err = -ENOMEM;
         if (!cam->raw_image) {
                 cam->raw_image = rvmalloc(CPIA_MAX_IMAGE_SIZE);
@@ -3227,7 +3227,7 @@ static int cpia_open(struct inode *inode, struct file *file)
         
         ++cam->open_count;
         file->private_data = dev;
-        up(&cam->busy_lock);
+        mutex_unlock(&cam->busy_lock);
         return 0;
 
  oops:
@@ -3239,7 +3239,7 @@ static int cpia_open(struct inode *inode, struct file *file)
                 rvfree(cam->raw_image, CPIA_MAX_IMAGE_SIZE);
                 cam->raw_image = NULL;
         }
-        up(&cam->busy_lock);
+        mutex_unlock(&cam->busy_lock);
         put_cam(cam->ops);
         return err;
 }
@@ -3303,24 +3303,24 @@ static ssize_t cpia_read(struct file *file, char __user *buf,
         int err;
 
         /* make this _really_ smp and multithread-safe */
-        if (down_interruptible(&cam->busy_lock))
+        if (mutex_lock_interruptible(&cam->busy_lock))
                 return -EINTR;
 
         if (!buf) {
                 DBG("buf NULL\n");
-                up(&cam->busy_lock);
+                mutex_unlock(&cam->busy_lock);
                 return -EINVAL;
         }
 
         if (!count) {
                 DBG("count 0\n");
-                up(&cam->busy_lock);
+                mutex_unlock(&cam->busy_lock);
                 return 0;
         }
 
         if (!cam->ops) {
                 DBG("ops NULL\n");
-                up(&cam->busy_lock);
+                mutex_unlock(&cam->busy_lock);
                 return -ENODEV;
         }
 
@@ -3329,7 +3329,7 @@ static ssize_t cpia_read(struct file *file, char __user *buf,
         cam->mmap_kludge=0;
         if((err = fetch_frame(cam)) != 0) {
                 DBG("ERROR from fetch_frame: %d\n", err);
-                up(&cam->busy_lock);
+                mutex_unlock(&cam->busy_lock);
                 return err;
         }
         cam->decompressed_frame.state = FRAME_UNUSED;
@@ -3338,17 +3338,17 @@ static ssize_t cpia_read(struct file *file, char __user *buf,
         if (cam->decompressed_frame.count > count) {
                 DBG("count wrong: %d, %lu\n", cam->decompressed_frame.count,
                     (unsigned long) count);
-                up(&cam->busy_lock);
+                mutex_unlock(&cam->busy_lock);
                 return -EFAULT;
         }
         if (copy_to_user(buf, cam->decompressed_frame.data,
                         cam->decompressed_frame.count)) {
                 DBG("copy_to_user failed\n");
-                up(&cam->busy_lock);
+                mutex_unlock(&cam->busy_lock);
                 return -EFAULT;
         }
 
-        up(&cam->busy_lock);
+        mutex_unlock(&cam->busy_lock);
         return cam->decompressed_frame.count;
 }
 
@@ -3363,7 +3363,7 @@ static int cpia_do_ioctl(struct inode *inode, struct file *file,
                 return -ENODEV;
         
         /* make this _really_ smp-safe */
-        if (down_interruptible(&cam->busy_lock))
+        if (mutex_lock_interruptible(&cam->busy_lock))
                 return -EINTR;
 
         //DBG("cpia_ioctl: %u\n", ioctlnr);
@@ -3439,7 +3439,7 @@ static int cpia_do_ioctl(struct inode *inode, struct file *file,
                         break;
                 }
 
-                down(&cam->param_lock);
+                mutex_lock(&cam->param_lock);
                 /* brightness, colour, contrast need no check 0-65535 */
                 cam->vp = *vp;
                 /* update cam->params.colourParams */
@@ -3466,7 +3466,7 @@ static int cpia_do_ioctl(struct inode *inode, struct file *file,
 
                 /* queue command to update camera */
                 cam->cmd_queue |= COMMAND_SETCOLOURPARAMS;
-                up(&cam->param_lock);
+                mutex_unlock(&cam->param_lock);
                 DBG("VIDIOCSPICT: %d / %d // %d / %d / %d / %d\n",
                     vp->depth, vp->palette, vp->brightness, vp->hue, vp->colour,
                     vp->contrast);
@@ -3501,13 +3501,13 @@ static int cpia_do_ioctl(struct inode *inode, struct file *file,
                 /* we set the video window to something smaller or equal to what
                 * is requested by the user???
                 */
-                down(&cam->param_lock);
+                mutex_lock(&cam->param_lock);
                 if (vw->width != cam->vw.width || vw->height != cam->vw.height) {
                         int video_size = match_videosize(vw->width, vw->height);
 
                         if (video_size < 0) {
                                 retval = -EINVAL;
-                                up(&cam->param_lock);
+                                mutex_unlock(&cam->param_lock);
                                 break;
                         }
                         cam->video_size = video_size;
@@ -3520,7 +3520,7 @@ static int cpia_do_ioctl(struct inode *inode, struct file *file,
                         cam->cmd_queue |= COMMAND_SETFORMAT;
                 }
 
-                up(&cam->param_lock);
+                mutex_unlock(&cam->param_lock);
 
                 /* setformat ignored by camera during streaming,
                  * so stop/dispatch/start */
@@ -3682,7 +3682,7 @@ static int cpia_do_ioctl(struct inode *inode, struct file *file,
 
                 DBG("%d,%d/%dx%d\n", vc->x,vc->y,vc->width, vc->height);
                 
-                down(&cam->param_lock);
+                mutex_lock(&cam->param_lock);
                 
                 cam->vc.x      = vc->x;
                 cam->vc.y      = vc->y;
@@ -3692,7 +3692,7 @@ static int cpia_do_ioctl(struct inode *inode, struct file *file,
                 set_vw_size(cam);
                 cam->cmd_queue |= COMMAND_SETFORMAT;
 
-                up(&cam->param_lock);
+                mutex_unlock(&cam->param_lock);
 
                 /* setformat ignored by camera during streaming,
                  * so stop/dispatch/start */
@@ -3736,7 +3736,7 @@ static int cpia_do_ioctl(struct inode *inode, struct file *file,
                 break;
         }
 
-        up(&cam->busy_lock);
+        mutex_unlock(&cam->busy_lock);
         return retval;
 } 
 
@@ -3769,12 +3769,12 @@ static int cpia_mmap(struct file *file, struct vm_area_struct *vma)
                 return -ENODEV;
         
         /* make this _really_ smp-safe */
-        if (down_interruptible(&cam->busy_lock))
+        if (mutex_lock_interruptible(&cam->busy_lock))
                 return -EINTR;
 
         if (!cam->frame_buf) {  /* we do lazy allocation */
                 if ((retval = allocate_frame_buf(cam))) {
-                        up(&cam->busy_lock);
+                        mutex_unlock(&cam->busy_lock);
                         return retval;
                 }
         }
@@ -3783,7 +3783,7 @@ static int cpia_mmap(struct file *file, struct vm_area_struct *vma)
         while (size > 0) {
                 page = vmalloc_to_pfn((void *)pos);
                 if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) {
-                        up(&cam->busy_lock);
+                        mutex_unlock(&cam->busy_lock);
                         return -EAGAIN;
                 }
                 start += PAGE_SIZE;
@@ -3795,7 +3795,7 @@ static int cpia_mmap(struct file *file, struct vm_area_struct *vma)
         }
 
         DBG("cpia_mmap: %ld\n", size);
-        up(&cam->busy_lock);
+        mutex_unlock(&cam->busy_lock);
 
         return 0;
 }
@@ -3936,8 +3936,8 @@ static void init_camera_struct(struct cam_data *cam,
         memset(cam, 0, sizeof(struct cam_data));
 
         cam->ops = ops;
-        init_MUTEX(&cam->param_lock);
-        init_MUTEX(&cam->busy_lock);
+        mutex_init(&cam->param_lock);
+        mutex_init(&cam->busy_lock);
 
         reset_camera_struct(cam);
 
diff --git a/drivers/media/video/cpia.h b/drivers/media/video/cpia.h
index f629b693ee65..de6678200a57 100644
--- a/drivers/media/video/cpia.h
+++ b/drivers/media/video/cpia.h
@@ -47,6 +47,7 @@
 #include <linux/videodev.h>
 #include <linux/list.h>
 #include <linux/smp_lock.h>
+#include <linux/mutex.h>
 
 struct cpia_camera_ops
 {
@@ -246,7 +247,7 @@ enum v4l_camstates {
 struct cam_data {
         struct list_head cam_data_list;
 
-        struct semaphore busy_lock;     /* guard against SMP multithreading */
+        struct mutex busy_lock;     /* guard against SMP multithreading */
         struct cpia_camera_ops *ops;    /* lowlevel driver operations */
         void *lowlevel_data;            /* private data for lowlevel driver */
         u8 *raw_image;                  /* buffer for raw image data */
@@ -261,7 +262,7 @@ struct cam_data {
         u8 mainsFreq;                   /* for flicker control */
 
                                 /* proc interface */
-        struct semaphore param_lock;    /* params lock for this camera */
+        struct mutex param_lock;        /* params lock for this camera */
         struct cam_params params;       /* camera settings */
         struct proc_dir_entry *proc_entry;      /* /proc/cpia/videoX */
         
diff --git a/drivers/media/video/cx88/cx88-core.c b/drivers/media/video/cx88/cx88-core.c
index 3720f24a25cf..eda7cd8b2d4a 100644
--- a/drivers/media/video/cx88/cx88-core.c
+++ b/drivers/media/video/cx88/cx88-core.c
@@ -1061,7 +1061,7 @@ struct cx88_core* cx88_core_get(struct pci_dev *pci)
         core->pci_bus  = pci->bus->number;
         core->pci_slot = PCI_SLOT(pci->devfn);
         core->pci_irqmask = 0x00fc00;
-        init_MUTEX(&core->lock);
+        mutex_init(&core->lock);
 
         core->nr = cx88_devcount++;
         sprintf(core->name,"cx88[%d]",core->nr);
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 073494ceab0f..d15ef158ac8f 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -336,17 +336,17 @@ static int res_get(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bi
                 return 1;
 
         /* is it free? */
-        down(&core->lock);
+        mutex_lock(&core->lock);
         if (dev->resources & bit) {
                 /* no, someone else uses it */
-                up(&core->lock);
+                mutex_unlock(&core->lock);
                 return 0;
         }
         /* it's free, grab it */
         fh->resources  |= bit;
         dev->resources |= bit;
         dprintk(1,"res: get %d\n",bit);
-        up(&core->lock);
+        mutex_unlock(&core->lock);
         return 1;
 }
 
@@ -369,11 +369,11 @@ void res_free(struct cx8800_dev *dev, struct cx8800_fh *fh, unsigned int bits)
         if ((fh->resources & bits) != bits)
                 BUG();
 
-        down(&core->lock);
+        mutex_lock(&core->lock);
         fh->resources  &= ~bits;
         dev->resources &= ~bits;
         dprintk(1,"res: put %d\n",bits);
-        up(&core->lock);
+        mutex_unlock(&core->lock);
 }
 
 /* ------------------------------------------------------------------ */
@@ -1291,9 +1291,9 @@ int cx88_do_ioctl(struct inode *inode, struct file *file, int radio,
                 if (i == ARRAY_SIZE(tvnorms))
                         return -EINVAL;
 
-                down(&core->lock);
+                mutex_lock(&core->lock);
                 cx88_set_tvnorm(core,&tvnorms[i]);
-                up(&core->lock);
+                mutex_unlock(&core->lock);
                 return 0;
         }
 
@@ -1343,10 +1343,10 @@ int cx88_do_ioctl(struct inode *inode, struct file *file, int radio,
 
                 if (*i >= 4)
                         return -EINVAL;
-                down(&core->lock);
+                mutex_lock(&core->lock);
                 cx88_newstation(core);
                 video_mux(core,*i);
-                up(&core->lock);
+                mutex_unlock(&core->lock);
                 return 0;
         }
 
@@ -1438,7 +1438,7 @@ int cx88_do_ioctl(struct inode *inode, struct file *file, int radio,
                         return -EINVAL;
                 if (1 == radio && f->type != V4L2_TUNER_RADIO)
                         return -EINVAL;
-                down(&core->lock);
+                mutex_lock(&core->lock);
                 core->freq = f->frequency;
                 cx88_newstation(core);
                 cx88_call_i2c_clients(core,VIDIOC_S_FREQUENCY,f);
@@ -1447,7 +1447,7 @@ int cx88_do_ioctl(struct inode *inode, struct file *file, int radio,
                 msleep (10);
                 cx88_set_tvaudio(core);
 
-                up(&core->lock);
+                mutex_unlock(&core->lock);
                 return 0;
         }
 
@@ -1921,11 +1921,11 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
         pci_set_drvdata(pci_dev,dev);
 
         /* initial device configuration */
-        down(&core->lock);
+        mutex_lock(&core->lock);
         cx88_set_tvnorm(core,tvnorms);
         init_controls(core);
         video_mux(core,0);
-        up(&core->lock);
+        mutex_unlock(&core->lock);
 
         /* start tvaudio thread */
         if (core->tuner_type != TUNER_ABSENT)
diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h
index 31a688a3fb77..a4cf2473eacf 100644
--- a/drivers/media/video/cx88/cx88.h
+++ b/drivers/media/video/cx88/cx88.h
@@ -35,6 +35,7 @@
 #include "cx88-reg.h"
 
 #include <linux/version.h>
+#include <linux/mutex.h>
 #define CX88_VERSION_CODE KERNEL_VERSION(0,0,5)
 
 #ifndef TRUE
@@ -309,8 +310,7 @@ struct cx88_core {
         /* IR remote control state */
         struct cx88_IR             *ir;
 
-        struct semaphore           lock;
-
+        struct mutex               lock;
         /* various v4l controls */
         u32                        freq;
 
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index 1c1557d9bace..671fc52b6a88 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -362,12 +362,12 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp)
                 return -EBUSY;
         }
 
-        init_MUTEX(&dev->fileop_lock);  /* to 1 == available */
+        mutex_init(&dev->fileop_lock);  /* to 1 == available */
         spin_lock_init(&dev->queue_lock);
         init_waitqueue_head(&dev->wait_frame);
         init_waitqueue_head(&dev->wait_stream);
 
-        down(&dev->lock);
+        mutex_lock(&dev->lock);
 
         if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
                 em28xx_set_alternate(dev);
@@ -404,8 +404,8 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp)
 
         dev->state |= DEV_INITIALIZED;
 
-      err:
-        up(&dev->lock);
+err:
+        mutex_unlock(&dev->lock);
         up_read(&em28xx_disconnect);
         return errCode;
 }
@@ -447,7 +447,7 @@ static int em28xx_v4l2_close(struct inode *inode, struct file *filp)
 
         em28xx_videodbg("users=%d\n", dev->users);
 
-        down(&dev->lock);
+        mutex_lock(&dev->lock);
 
         em28xx_uninit_isoc(dev);
 
@@ -456,7 +456,7 @@ static int em28xx_v4l2_close(struct inode *inode, struct file *filp)
         /* the device is already disconnect, free the remaining resources */
         if (dev->state & DEV_DISCONNECTED) {
                 em28xx_release_resources(dev);
-                up(&dev->lock);
+                mutex_unlock(&dev->lock);
                 kfree(dev);
                 return 0;
         }
@@ -472,7 +472,7 @@ static int em28xx_v4l2_close(struct inode *inode, struct file *filp)
 
         dev->users--;
         wake_up_interruptible_nr(&dev->open, 1);
-        up(&dev->lock);
+        mutex_unlock(&dev->lock);
         return 0;
 }
 
@@ -496,7 +496,7 @@ em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count,
                 em28xx_videodbg("V4L2_BUF_TYPE_VBI_CAPTURE is set\n");
                 em28xx_videodbg("not supported yet! ...\n");
                 if (copy_to_user(buf, "", 1)) {
-                        up(&dev->fileop_lock);
+                        mutex_unlock(&dev->fileop_lock);
                         return -EFAULT;
                 }
                 return (1);
@@ -505,38 +505,38 @@ em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count,
                 em28xx_videodbg("V4L2_BUF_TYPE_SLICED_VBI_CAPTURE is set\n");
                 em28xx_videodbg("not supported yet! ...\n");
                 if (copy_to_user(buf, "", 1)) {
-                        up(&dev->fileop_lock);
+                        mutex_unlock(&dev->fileop_lock);
                         return -EFAULT;
                 }
                 return (1);
         }
 
-        if (down_interruptible(&dev->fileop_lock))
+        if (mutex_lock_interruptible(&dev->fileop_lock))
                 return -ERESTARTSYS;
 
         if (dev->state & DEV_DISCONNECTED) {
                 em28xx_videodbg("device not present\n");
-                up(&dev->fileop_lock);
+                mutex_unlock(&dev->fileop_lock);
                 return -ENODEV;
         }
 
         if (dev->state & DEV_MISCONFIGURED) {
                 em28xx_videodbg("device misconfigured; close and open it again\n");
-                up(&dev->fileop_lock);
+                mutex_unlock(&dev->fileop_lock);
                 return -EIO;
         }
 
         if (dev->io == IO_MMAP) {
                 em28xx_videodbg ("IO method is set to mmap; close and open"
                                 " the device again to choose the read method\n");
-                up(&dev->fileop_lock);
+                mutex_unlock(&dev->fileop_lock);
                 return -EINVAL;
         }
 
         if (dev->io == IO_NONE) {
                 if (!em28xx_request_buffers(dev, EM28XX_NUM_READ_FRAMES)) {
                         em28xx_errdev("read failed, not enough memory\n");
-                        up(&dev->fileop_lock);
+                        mutex_unlock(&dev->fileop_lock);
                         return -ENOMEM;
                 }
                 dev->io = IO_READ;
@@ -545,13 +545,13 @@ em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count,
         }
 
         if (!count) {
-                up(&dev->fileop_lock);
+                mutex_unlock(&dev->fileop_lock);
                 return 0;
         }
 
         if (list_empty(&dev->outqueue)) {
                 if (filp->f_flags & O_NONBLOCK) {
-                        up(&dev->fileop_lock);
+                        mutex_unlock(&dev->fileop_lock);
                         return -EAGAIN;
                 }
                 ret = wait_event_interruptible
@@ -559,11 +559,11 @@ em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count,
                      (!list_empty(&dev->outqueue)) ||
                      (dev->state & DEV_DISCONNECTED));
                 if (ret) {
-                        up(&dev->fileop_lock);
+                        mutex_unlock(&dev->fileop_lock);
                         return ret;
                 }
                 if (dev->state & DEV_DISCONNECTED) {
-                        up(&dev->fileop_lock);
+                        mutex_unlock(&dev->fileop_lock);
                         return -ENODEV;
                 }
         }
@@ -582,12 +582,12 @@ em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count,
                 count = f->buf.length;
 
         if (copy_to_user(buf, f->bufmem, count)) {
-                up(&dev->fileop_lock);
+                mutex_unlock(&dev->fileop_lock);
                 return -EFAULT;
         }
         *f_pos += count;
 
-        up(&dev->fileop_lock);
+        mutex_unlock(&dev->fileop_lock);
 
         return count;
 }
@@ -601,7 +601,7 @@ static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table * wait)
         unsigned int mask = 0;
         struct em28xx *dev = filp->private_data;
 
-        if (down_interruptible(&dev->fileop_lock))
+        if (mutex_lock_interruptible(&dev->fileop_lock))
                 return POLLERR;
 
         if (dev->state & DEV_DISCONNECTED) {
@@ -627,13 +627,13 @@ static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table * wait)
                         if (!list_empty(&dev->outqueue))
                                 mask |= POLLIN | POLLRDNORM;
 
-                        up(&dev->fileop_lock);
+                        mutex_unlock(&dev->fileop_lock);
 
                         return mask;
                 }
         }
 
-        up(&dev->fileop_lock);
+        mutex_unlock(&dev->fileop_lock);
         return POLLERR;
 }
 
@@ -673,25 +673,25 @@ static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
 
         struct em28xx *dev = filp->private_data;
 
-        if (down_interruptible(&dev->fileop_lock))
+        if (mutex_lock_interruptible(&dev->fileop_lock))
                 return -ERESTARTSYS;
 
         if (dev->state & DEV_DISCONNECTED) {
                 em28xx_videodbg("mmap: device not present\n");
-                up(&dev->fileop_lock);
+                mutex_unlock(&dev->fileop_lock);
                 return -ENODEV;
         }
 
         if (dev->state & DEV_MISCONFIGURED) {
                 em28xx_videodbg ("mmap: Device is misconfigured; close and "
                                                 "open it again\n");
-                up(&dev->fileop_lock);
+                mutex_unlock(&dev->fileop_lock);
                 return -EIO;
         }
 
         if (dev->io != IO_MMAP || !(vma->vm_flags & VM_WRITE) ||
             size != PAGE_ALIGN(dev->frame[0].buf.length)) {
-                up(&dev->fileop_lock);
+                mutex_unlock(&dev->fileop_lock);
                 return -EINVAL;
         }
 
@@ -701,7 +701,7 @@ static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
         }
         if (i == dev->num_frames) {
                 em28xx_videodbg("mmap: user supplied mapping address is out of range\n");
-                up(&dev->fileop_lock);
+                mutex_unlock(&dev->fileop_lock);
                 return -EINVAL;
         }
 
@@ -713,7 +713,7 @@ static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
         while (size > 0) {      /* size is page-aligned */
                 if (vm_insert_page(vma, start, vmalloc_to_page(pos))) {
                         em28xx_videodbg("mmap: vm_insert_page failed\n");
-                        up(&dev->fileop_lock);
+                        mutex_unlock(&dev->fileop_lock);
                         return -EAGAIN;
                 }
                 start += PAGE_SIZE;
@@ -725,7 +725,7 @@ static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
         vma->vm_private_data = &dev->frame[i];
 
         em28xx_vm_open(vma);
-        up(&dev->fileop_lock);
+        mutex_unlock(&dev->fileop_lock);
         return 0;
 }
 
@@ -1125,7 +1125,7 @@ static int em28xx_do_ioctl(struct inode *inode, struct file *filp,
                 if (i == TVNORMS)
                         return -EINVAL;
 
-                down(&dev->lock);
+                mutex_lock(&dev->lock);
                 dev->tvnorm = &tvnorms[i];
 
                 em28xx_set_norm(dev, dev->width, dev->height);
@@ -1135,7 +1135,7 @@ static int em28xx_do_ioctl(struct inode *inode, struct file *filp,
                 em28xx_i2c_call_clients(dev, VIDIOC_S_STD,
                                         &dev->tvnorm->id);
 
-                up(&dev->lock);
+                mutex_unlock(&dev->lock);
 
                 return 0;
         }
@@ -1189,9 +1189,9 @@ static int em28xx_do_ioctl(struct inode *inode, struct file *filp,
                 if (0 == INPUT(*index)->type)
                         return -EINVAL;
 
-                down(&dev->lock);
+                mutex_lock(&dev->lock);
                 video_mux(dev, *index);
-                up(&dev->lock);
+                mutex_unlock(&dev->lock);
 
                 return 0;
         }
@@ -1338,10 +1338,10 @@ static int em28xx_do_ioctl(struct inode *inode, struct file *filp,
 /*              t->signal = 0xffff;*/
 /*              em28xx_i2c_call_clients(dev,VIDIOC_G_TUNER,t);*/
                 /* No way to get signal strength? */
-                down(&dev->lock);
+                mutex_lock(&dev->lock);
                 em28xx_i2c_call_clients(dev, DECODER_GET_STATUS,
                                         &status);
-                up(&dev->lock);
+                mutex_unlock(&dev->lock);
                 t->signal =
                         (status & DECODER_STATUS_GOOD) != 0 ? 0xffff : 0;
 
@@ -1363,10 +1363,10 @@ static int em28xx_do_ioctl(struct inode *inode, struct file *filp,
                 t->rangehigh = 0xffffffffUL;    /* FIXME: set correct range */
 /*              t->signal = 0xffff; */
                 /* No way to get signal strength? */
-                down(&dev->lock);
+                mutex_lock(&dev->lock);
                 em28xx_i2c_call_clients(dev, DECODER_GET_STATUS,
                                         &status);
-                up(&dev->lock);
+                mutex_unlock(&dev->lock);
                 t->signal =
                         (status & DECODER_STATUS_GOOD) != 0 ? 0xffff : 0;
 
@@ -1394,10 +1394,10 @@ static int em28xx_do_ioctl(struct inode *inode, struct file *filp,
                 if (V4L2_TUNER_ANALOG_TV != f->type)
                         return -EINVAL;
 
-                down(&dev->lock);
+                mutex_lock(&dev->lock);
                 dev->ctl_freq = f->frequency;
                 em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f);
-                up(&dev->lock);
+                mutex_unlock(&dev->lock);
                 return 0;
         }
         case VIDIOC_CROPCAP:
@@ -1660,25 +1660,25 @@ static int em28xx_v4l2_ioctl(struct inode *inode, struct file *filp,
         int ret = 0;
         struct em28xx *dev = filp->private_data;
 
-        if (down_interruptible(&dev->fileop_lock))
+        if (mutex_lock_interruptible(&dev->fileop_lock))
                 return -ERESTARTSYS;
 
         if (dev->state & DEV_DISCONNECTED) {
                 em28xx_errdev("v4l2 ioctl: device not present\n");
-                up(&dev->fileop_lock);
+                mutex_unlock(&dev->fileop_lock);
                 return -ENODEV;
         }
 
         if (dev->state & DEV_MISCONFIGURED) {
                 em28xx_errdev
                     ("v4l2 ioctl: device is misconfigured; close and open it again\n");
-                up(&dev->fileop_lock);
+                mutex_unlock(&dev->fileop_lock);
                 return -EIO;
         }
 
         ret = video_usercopy(inode, filp, cmd, arg, em28xx_video_do_ioctl);
 
-        up(&dev->fileop_lock);
+        mutex_unlock(&dev->fileop_lock);
 
         return ret;
 }
@@ -1712,7 +1712,7 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
 
         dev->udev = udev;
         dev->model = model;
-        init_MUTEX(&dev->lock);
+        mutex_init(&dev->lock);
         init_waitqueue_head(&dev->open);
 
         dev->em28xx_write_regs = em28xx_write_regs;
@@ -1788,7 +1788,7 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
                 return -ENOMEM;
         }
 
-        down(&dev->lock);
+        mutex_lock(&dev->lock);
         /* register i2c bus */
         em28xx_i2c_register(dev);
 
@@ -1798,7 +1798,7 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
         /* configure the device */
         em28xx_config_i2c(dev);
 
-        up(&dev->lock);
+        mutex_unlock(&dev->lock);
 
         errCode = em28xx_config(dev);
 
@@ -1849,12 +1849,12 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
         list_add_tail(&dev->devlist,&em28xx_devlist);
 
         /* register v4l2 device */
-        down(&dev->lock);
+        mutex_lock(&dev->lock);
         if ((retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
                                          video_nr[dev->devno]))) {
                 em28xx_errdev("unable to register video device (error=%i).\n",
                               retval);
-                up(&dev->lock);
+                mutex_unlock(&dev->lock);
                 list_del(&dev->devlist);
                 video_device_release(dev->vdev);
                 kfree(dev);
@@ -1865,7 +1865,7 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
         if (video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
                                         vbi_nr[dev->devno]) < 0) {
                 printk("unable to register vbi device\n");
-                up(&dev->lock);
+                mutex_unlock(&dev->lock);
                 list_del(&dev->devlist);
                 video_device_release(dev->vbi_dev);
                 video_device_release(dev->vdev);
@@ -1886,7 +1886,7 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
         }
         video_mux(dev, 0);
 
-        up(&dev->lock);
+        mutex_unlock(&dev->lock);
 
         em28xx_info("V4L2 device registered as /dev/video%d and /dev/vbi%d\n",
                                 dev->vdev->minor-MINOR_VFL_TYPE_GRABBER_MIN,
@@ -2035,7 +2035,7 @@ static void em28xx_usb_disconnect(struct usb_interface *interface)
 
         down_write(&em28xx_disconnect);
 
-        down(&dev->lock);
+        mutex_lock(&dev->lock);
 
         em28xx_info("disconnecting %s\n", dev->vdev->name);
 
@@ -2057,7 +2057,7 @@ static void em28xx_usb_disconnect(struct usb_interface *interface)
                 em28xx_release_resources(dev);
         }
 
-        up(&dev->lock);
+        mutex_unlock(&dev->lock);
 
         if (!dev->users) {
                 kfree(dev->alt_max_pkt_size);
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index ddf06c520e99..4e2fe62b7350 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -27,6 +27,7 @@
 
 #include <linux/videodev.h>
 #include <linux/i2c.h>
+#include <linux/mutex.h>
 #include <media/ir-kbd-i2c.h>
 
 /* Boards supported by driver */
@@ -260,7 +261,7 @@ struct em28xx {
         enum em28xx_stream_state stream;
         enum em28xx_io_method io;
         /* locks */
-        struct semaphore lock, fileop_lock;
+        struct mutex lock, fileop_lock;
         spinlock_t queue_lock;
         struct list_head inqueue, outqueue;
         wait_queue_head_t open, wait_frame, wait_stream;
diff --git a/drivers/media/video/meye.c b/drivers/media/video/meye.c
index 2869464aee0d..850bee97090c 100644
--- a/drivers/media/video/meye.c
+++ b/drivers/media/video/meye.c
@@ -925,7 +925,7 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                         return -EINVAL;
                 if (p->palette != VIDEO_PALETTE_YUV422)
                         return -EINVAL;
-                down(&meye.lock);
+                mutex_lock(&meye.lock);
                 sonypi_camera_command(SONYPI_COMMAND_SETCAMERABRIGHTNESS,
                                       p->brightness >> 10);
                 sonypi_camera_command(SONYPI_COMMAND_SETCAMERAHUE,
@@ -935,7 +935,7 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                 sonypi_camera_command(SONYPI_COMMAND_SETCAMERACONTRAST,
                                       p->contrast >> 10);
                 meye.picture = *p;
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 break;
         }
 
@@ -946,21 +946,21 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                 if (*i < 0 || *i >= gbuffers)
                         return -EINVAL;
 
-                down(&meye.lock);
+                mutex_lock(&meye.lock);
 
                 switch (meye.grab_buffer[*i].state) {
 
                 case MEYE_BUF_UNUSED:
-                        up(&meye.lock);
+                        mutex_unlock(&meye.lock);
                         return -EINVAL;
                 case MEYE_BUF_USING:
                         if (file->f_flags & O_NONBLOCK) {
-                                up(&meye.lock);
+                                mutex_unlock(&meye.lock);
                                 return -EAGAIN;
                         }
                         if (wait_event_interruptible(meye.proc_list,
                                                      (meye.grab_buffer[*i].state != MEYE_BUF_USING))) {
-                                up(&meye.lock);
+                                mutex_unlock(&meye.lock);
                                 return -EINTR;
                         }
                         /* fall through */
@@ -968,7 +968,7 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                         meye.grab_buffer[*i].state = MEYE_BUF_UNUSED;
                         kfifo_get(meye.doneq, (unsigned char *)&unused, sizeof(int));
                 }
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 break;
         }
 
@@ -987,7 +987,7 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                 if (meye.grab_buffer[vm->frame].state != MEYE_BUF_UNUSED)
                         return -EBUSY;
 
-                down(&meye.lock);
+                mutex_lock(&meye.lock);
                 if (vm->width == 640 && vm->height == 480) {
                         if (meye.params.subsample) {
                                 meye.params.subsample = 0;
@@ -999,7 +999,7 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                                 restart = 1;
                         }
                 } else {
-                        up(&meye.lock);
+                        mutex_unlock(&meye.lock);
                         return -EINVAL;
                 }
 
@@ -1007,7 +1007,7 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                         mchip_continuous_start();
                 meye.grab_buffer[vm->frame].state = MEYE_BUF_USING;
                 kfifo_put(meye.grabq, (unsigned char *)&vm->frame, sizeof(int));
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 break;
         }
 
@@ -1039,7 +1039,7 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                         return -EINVAL;
                 if (jp->framerate > 31)
                         return -EINVAL;
-                down(&meye.lock);
+                mutex_lock(&meye.lock);
                 if (meye.params.subsample != jp->subsample ||
                     meye.params.quality != jp->quality)
                         mchip_hic_stop();       /* need restart */
@@ -1050,7 +1050,7 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                                       meye.params.agc);
                 sonypi_camera_command(SONYPI_COMMAND_SETCAMERAPICTURE,
                                       meye.params.picture);
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 break;
         }
 
@@ -1068,12 +1068,12 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                 }
                 if (meye.grab_buffer[*nb].state != MEYE_BUF_UNUSED)
                         return -EBUSY;
-                down(&meye.lock);
+                mutex_lock(&meye.lock);
                 if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP)
                         mchip_cont_compression_start();
                 meye.grab_buffer[*nb].state = MEYE_BUF_USING;
                 kfifo_put(meye.grabq, (unsigned char *)nb, sizeof(int));
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 break;
         }
 
@@ -1084,20 +1084,20 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                 if (*i < 0 || *i >= gbuffers)
                         return -EINVAL;
 
-                down(&meye.lock);
+                mutex_lock(&meye.lock);
                 switch (meye.grab_buffer[*i].state) {
 
                 case MEYE_BUF_UNUSED:
-                        up(&meye.lock);
+                        mutex_unlock(&meye.lock);
                         return -EINVAL;
                 case MEYE_BUF_USING:
                         if (file->f_flags & O_NONBLOCK) {
-                                up(&meye.lock);
+                                mutex_unlock(&meye.lock);
                                 return -EAGAIN;
                         }
                         if (wait_event_interruptible(meye.proc_list,
                                                      (meye.grab_buffer[*i].state != MEYE_BUF_USING))) {
-                                up(&meye.lock);
+                                mutex_unlock(&meye.lock);
                                 return -EINTR;
                         }
                         /* fall through */
@@ -1106,7 +1106,7 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                         kfifo_get(meye.doneq, (unsigned char *)&unused, sizeof(int));
                 }
                 *i = meye.grab_buffer[*i].size;
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 break;
         }
 
@@ -1116,14 +1116,14 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                         return -EINVAL;
                 if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED)
                         return -EBUSY;
-                down(&meye.lock);
+                mutex_lock(&meye.lock);
                 meye.grab_buffer[0].state = MEYE_BUF_USING;
                 mchip_take_picture();
                 mchip_get_picture(
                         meye.grab_fbuffer,
                         mchip_hsize() * mchip_vsize() * 2);
                 meye.grab_buffer[0].state = MEYE_BUF_DONE;
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 break;
         }
 
@@ -1134,7 +1134,7 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                         return -EINVAL;
                 if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED)
                         return -EBUSY;
-                down(&meye.lock);
+                mutex_lock(&meye.lock);
                 meye.grab_buffer[0].state = MEYE_BUF_USING;
                 *len = -1;
                 while (*len == -1) {
@@ -1142,7 +1142,7 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                         *len = mchip_compress_frame(meye.grab_fbuffer, gbufsize);
                 }
                 meye.grab_buffer[0].state = MEYE_BUF_DONE;
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 break;
         }
 
@@ -1285,7 +1285,7 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
         case VIDIOC_S_CTRL: {
                 struct v4l2_control *c = arg;
 
-                down(&meye.lock);
+                mutex_lock(&meye.lock);
                 switch (c->id) {
                 case V4L2_CID_BRIGHTNESS:
                         sonypi_camera_command(
@@ -1329,17 +1329,17 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                         meye.params.framerate = c->value;
                         break;
                 default:
-                        up(&meye.lock);
+                        mutex_unlock(&meye.lock);
                         return -EINVAL;
                 }
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 break;
         }
 
         case VIDIOC_G_CTRL: {
                 struct v4l2_control *c = arg;
 
-                down(&meye.lock);
+                mutex_lock(&meye.lock);
                 switch (c->id) {
                 case V4L2_CID_BRIGHTNESS:
                         c->value = meye.picture.brightness >> 10;
@@ -1369,10 +1369,10 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                         c->value = meye.params.framerate;
                         break;
                 default:
-                        up(&meye.lock);
+                        mutex_unlock(&meye.lock);
                         return -EINVAL;
                 }
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 break;
         }
 
@@ -1469,7 +1469,7 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                     f->fmt.pix.field != V4L2_FIELD_NONE)
                         return -EINVAL;
                 f->fmt.pix.field = V4L2_FIELD_NONE;
-                down(&meye.lock);
+                mutex_lock(&meye.lock);
                 if (f->fmt.pix.width <= 320) {
                         f->fmt.pix.width = 320;
                         f->fmt.pix.height = 240;
@@ -1487,7 +1487,7 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                         meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP;
                         break;
                 }
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
                 f->fmt.pix.sizeimage = f->fmt.pix.height *
                                        f->fmt.pix.bytesperline;
@@ -1509,11 +1509,11 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                         /* already allocated, no modifications */
                         break;
                 }
-                down(&meye.lock);
+                mutex_lock(&meye.lock);
                 if (meye.grab_fbuffer) {
                         for (i = 0; i < gbuffers; i++)
                                 if (meye.vma_use_count[i]) {
-                                        up(&meye.lock);
+                                        mutex_unlock(&meye.lock);
                                         return -EINVAL;
                                 }
                         rvfree(meye.grab_fbuffer, gbuffers * gbufsize);
@@ -1525,12 +1525,12 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                 if (!meye.grab_fbuffer) {
                         printk(KERN_ERR "meye: v4l framebuffer allocation"
                                         " failed\n");
-                        up(&meye.lock);
+                        mutex_unlock(&meye.lock);
                         return -ENOMEM;
                 }
                 for (i = 0; i < gbuffers; i++)
                         meye.vma_use_count[i] = 0;
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 break;
         }
 
@@ -1569,12 +1569,12 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                         return -EINVAL;
                 if (meye.grab_buffer[buf->index].state != MEYE_BUF_UNUSED)
                         return -EINVAL;
-                down(&meye.lock);
+                mutex_lock(&meye.lock);
                 buf->flags |= V4L2_BUF_FLAG_QUEUED;
                 buf->flags &= ~V4L2_BUF_FLAG_DONE;
                 meye.grab_buffer[buf->index].state = MEYE_BUF_USING;
                 kfifo_put(meye.grabq, (unsigned char *)&buf->index, sizeof(int));
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 break;
         }
 
@@ -1587,23 +1587,23 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                 if (buf->memory != V4L2_MEMORY_MMAP)
                         return -EINVAL;
 
-                down(&meye.lock);
+                mutex_lock(&meye.lock);
                 if (kfifo_len(meye.doneq) == 0 && file->f_flags & O_NONBLOCK) {
-                        up(&meye.lock);
+                        mutex_unlock(&meye.lock);
                         return -EAGAIN;
                 }
                 if (wait_event_interruptible(meye.proc_list,
                                              kfifo_len(meye.doneq) != 0) < 0) {
-                        up(&meye.lock);
+                        mutex_unlock(&meye.lock);
                         return -EINTR;
                 }
                 if (!kfifo_get(meye.doneq, (unsigned char *)&reqnr,
                                sizeof(int))) {
-                        up(&meye.lock);
+                        mutex_unlock(&meye.lock);
                         return -EBUSY;
                 }
                 if (meye.grab_buffer[reqnr].state != MEYE_BUF_DONE) {
-                        up(&meye.lock);
+                        mutex_unlock(&meye.lock);
                         return -EINVAL;
                 }
                 buf->index = reqnr;
@@ -1616,12 +1616,12 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                 buf->m.offset = reqnr * gbufsize;
                 buf->length = gbufsize;
                 meye.grab_buffer[reqnr].state = MEYE_BUF_UNUSED;
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 break;
         }
 
         case VIDIOC_STREAMON: {
-                down(&meye.lock);
+                mutex_lock(&meye.lock);
                 switch (meye.mchip_mode) {
                 case MCHIP_HIC_MODE_CONT_OUT:
                         mchip_continuous_start();
@@ -1630,23 +1630,23 @@ static int meye_do_ioctl(struct inode *inode, struct file *file,
                         mchip_cont_compression_start();
                         break;
                 default:
-                        up(&meye.lock);
+                        mutex_unlock(&meye.lock);
                         return -EINVAL;
                 }
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 break;
         }
 
         case VIDIOC_STREAMOFF: {
                 int i;
 
-                down(&meye.lock);
+                mutex_lock(&meye.lock);
                 mchip_hic_stop();
                 kfifo_reset(meye.grabq);
                 kfifo_reset(meye.doneq);
                 for (i = 0; i < MEYE_MAX_BUFNBRS; i++)
                         meye.grab_buffer[i].state = MEYE_BUF_UNUSED;
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 break;
         }
 
@@ -1672,11 +1672,11 @@ static unsigned int meye_poll(struct file *file, poll_table *wait)
 {
         unsigned int res = 0;
 
-        down(&meye.lock);
+        mutex_lock(&meye.lock);
         poll_wait(file, &meye.proc_list, wait);
         if (kfifo_len(meye.doneq))
                 res = POLLIN | POLLRDNORM;
-        up(&meye.lock);
+        mutex_unlock(&meye.lock);
         return res;
 }
 
@@ -1704,9 +1704,9 @@ static int meye_mmap(struct file *file, struct vm_area_struct *vma)
         unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
         unsigned long page, pos;
 
-        down(&meye.lock);
+        mutex_lock(&meye.lock);
         if (size > gbuffers * gbufsize) {
-                up(&meye.lock);
+                mutex_unlock(&meye.lock);
                 return -EINVAL;
         }
         if (!meye.grab_fbuffer) {
@@ -1716,7 +1716,7 @@ static int meye_mmap(struct file *file, struct vm_area_struct *vma)
                 meye.grab_fbuffer = rvmalloc(gbuffers*gbufsize);
                 if (!meye.grab_fbuffer) {
                         printk(KERN_ERR "meye: v4l framebuffer allocation failed\n");
-                        up(&meye.lock);
+                        mutex_unlock(&meye.lock);
                         return -ENOMEM;
                 }
                 for (i = 0; i < gbuffers; i++)
@@ -1727,7 +1727,7 @@ static int meye_mmap(struct file *file, struct vm_area_struct *vma)
         while (size > 0) {
                 page = vmalloc_to_pfn((void *)pos);
                 if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) {
-                        up(&meye.lock);
+                        mutex_unlock(&meye.lock);
                         return -EAGAIN;
                 }
                 start += PAGE_SIZE;
@@ -1744,7 +1744,7 @@ static int meye_mmap(struct file *file, struct vm_area_struct *vma)
         vma->vm_private_data = (void *) (offset / gbufsize);
         meye_vm_open(vma);
 
-        up(&meye.lock);
+        mutex_unlock(&meye.lock);
         return 0;
 }
 
@@ -1913,7 +1913,7 @@ static int __devinit meye_probe(struct pci_dev *pcidev,
                 goto outvideoreg;
         }
 
-        init_MUTEX(&meye.lock);
+        mutex_init(&meye.lock);
         init_waitqueue_head(&meye.proc_list);
         meye.picture.depth = 16;
         meye.picture.palette = VIDEO_PALETTE_YUV422;
diff --git a/drivers/media/video/meye.h b/drivers/media/video/meye.h
index e8cd897b0d20..0d09a0e3803c 100644
--- a/drivers/media/video/meye.h
+++ b/drivers/media/video/meye.h
@@ -260,6 +260,8 @@
 
 /* private API definitions */
 #include <linux/meye.h>
+#include <linux/mutex.h>
+
 
 /* Enable jpg software correction */
 #define MEYE_JPEG_CORRECTION    1
@@ -301,7 +303,7 @@ struct meye {
                                         /* list of buffers */
         struct meye_grab_buffer grab_buffer[MEYE_MAX_BUFNBRS];
         int vma_use_count[MEYE_MAX_BUFNBRS]; /* mmap count */
-        struct semaphore lock;          /* semaphore for open/mmap... */
+        struct mutex lock;              /* mutex for open/mmap... */
         struct kfifo *grabq;            /* queue for buffers to be grabbed */
         spinlock_t grabq_lock;          /* lock protecting the queue */
         struct kfifo *doneq;            /* queue for grabbed buffers */
diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c
index 8416ceff524b..69a7eddf3a24 100644
--- a/drivers/media/video/mxb.c
+++ b/drivers/media/video/mxb.c
@@ -625,9 +625,9 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
                 }
                 
                 /* fixme: locke das setzen des inputs mit hilfe des mutexes
-                down(&dev->lock);
+                mutex_lock(&dev->lock);
                 video_mux(dev,*i);
-                up(&dev->lock);
+                mutex_unlock(&dev->lock);
                 */
                                 
                 /* fixme: check if streaming capture
diff --git a/drivers/media/video/planb.c b/drivers/media/video/planb.c
index f3fc361bec97..15fd85acabda 100644
--- a/drivers/media/video/planb.c
+++ b/drivers/media/video/planb.c
@@ -48,7 +48,7 @@
 #include <asm/pgtable.h>
 #include <asm/page.h>
 #include <asm/irq.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 #include "planb.h"
 #include "saa7196.h"
@@ -329,12 +329,12 @@ static volatile struct dbdma_cmd *cmd_geo_setup(
 
 static inline void planb_lock(struct planb *pb)
 {
-        down(&pb->lock);
+        mutex_lock(&pb->lock);
 }
 
 static inline void planb_unlock(struct planb *pb)
 {
-        up(&pb->lock);
+        mutex_unlock(&pb->lock);
 }
 
 /***************/
@@ -2067,7 +2067,7 @@ static int init_planb(struct planb *pb)
 #endif
         pb->tab_size = PLANB_MAXLINES + 40;
         pb->suspend = 0;
-        init_MUTEX(&pb->lock);
+        mutex_init(&pb->lock);
         pb->ch1_cmd = 0;
         pb->ch2_cmd = 0;
         pb->mask = 0;
diff --git a/drivers/media/video/planb.h b/drivers/media/video/planb.h
index 8a0faad16118..79b6b561426e 100644
--- a/drivers/media/video/planb.h
+++ b/drivers/media/video/planb.h
@@ -174,7 +174,7 @@ struct planb {
         int     user;
         unsigned int tab_size;
         int     maxlines;
-        struct semaphore lock;
+        struct mutex lock;
         unsigned int    irq;                    /* interrupt number */
         volatile unsigned int intr_mask;
 
diff --git a/drivers/media/video/pms.c b/drivers/media/video/pms.c
index 9e6448639480..05ca55939e77 100644
--- a/drivers/media/video/pms.c
+++ b/drivers/media/video/pms.c
@@ -30,6 +30,8 @@
 #include <asm/io.h>
 #include <linux/sched.h>
 #include <linux/videodev.h>
+#include <linux/mutex.h>
+
 #include <asm/uaccess.h>
 
 
@@ -44,7 +46,7 @@ struct pms_device
         struct video_picture picture;
         int height;
         int width;
-        struct semaphore lock;
+        struct mutex lock;
 };
 
 struct i2c_info
@@ -724,10 +726,10 @@ static int pms_do_ioctl(struct inode *inode, struct file *file,
                         struct video_channel *v = arg;
                         if(v->channel<0 || v->channel>3)
                                 return -EINVAL;
-                        down(&pd->lock);
+                        mutex_lock(&pd->lock);
                         pms_videosource(v->channel&1);
                         pms_vcrinput(v->channel>>1);
-                        up(&pd->lock);
+                        mutex_unlock(&pd->lock);
                         return 0;
                 }
                 case VIDIOCGTUNER:
@@ -761,7 +763,7 @@ static int pms_do_ioctl(struct inode *inode, struct file *file,
                         struct video_tuner *v = arg;
                         if(v->tuner)
                                 return -EINVAL;
-                        down(&pd->lock);
+                        mutex_lock(&pd->lock);
                         switch(v->mode)
                         {
                                 case VIDEO_MODE_AUTO:
@@ -785,10 +787,10 @@ static int pms_do_ioctl(struct inode *inode, struct file *file,
                                         pms_format(2);
                                         break;
                                 default:
-                                        up(&pd->lock);
+                                        mutex_unlock(&pd->lock);
                                         return -EINVAL;
                         }
-                        up(&pd->lock);
+                        mutex_unlock(&pd->lock);
                         return 0;
                 }
                 case VIDIOCGPICT:
@@ -809,12 +811,12 @@ static int pms_do_ioctl(struct inode *inode, struct file *file,
                          *      Now load the card.
                          */
 
-                        down(&pd->lock);
+                        mutex_lock(&pd->lock);
                         pms_brightness(p->brightness>>8);
                         pms_hue(p->hue>>8);
                         pms_colour(p->colour>>8);
                         pms_contrast(p->contrast>>8);   
-                        up(&pd->lock);
+                        mutex_unlock(&pd->lock);
                         return 0;
                 }
                 case VIDIOCSWIN:
@@ -830,9 +832,9 @@ static int pms_do_ioctl(struct inode *inode, struct file *file,
                                 return -EINVAL;
                         pd->width=vw->width;
                         pd->height=vw->height;
-                        down(&pd->lock);
+                        mutex_lock(&pd->lock);
                         pms_resolution(pd->width, pd->height);
-                        up(&pd->lock);                  /* Ok we figured out what to use from our wide choice */
+                        mutex_unlock(&pd->lock);                        /* Ok we figured out what to use from our wide choice */
                         return 0;
                 }
                 case VIDIOCGWIN:
@@ -872,9 +874,9 @@ static ssize_t pms_read(struct file *file, char __user *buf,
         struct pms_device *pd=(struct pms_device *)v;
         int len;
         
-        down(&pd->lock);
+        mutex_lock(&pd->lock);
         len=pms_capture(pd, buf, (pd->picture.depth==16)?0:1,count);
-        up(&pd->lock);
+        mutex_unlock(&pd->lock);
         return len;
 }
 
@@ -1029,7 +1031,7 @@ static int __init init_pms_cards(void)
                 return -ENODEV;
         }
         memcpy(&pms_device, &pms_template, sizeof(pms_template));
-        init_MUTEX(&pms_device.lock);
+        mutex_init(&pms_device.lock);
         pms_device.height=240;
         pms_device.width=320;
         pms_swsense(75);
diff --git a/drivers/media/video/saa5246a.c b/drivers/media/video/saa5246a.c
index 2ce010201308..dd830e0e5e96 100644
--- a/drivers/media/video/saa5246a.c
+++ b/drivers/media/video/saa5246a.c
@@ -46,6 +46,8 @@
 #include <linux/i2c.h>
 #include <linux/videotext.h>
 #include <linux/videodev.h>
+#include <linux/mutex.h>
+
 #include "saa5246a.h"
 
 MODULE_AUTHOR("Michael Geng <linux@MichaelGeng.de>");
@@ -57,7 +59,7 @@ struct saa5246a_device
         u8     pgbuf[NUM_DAUS][VTX_VIRTUALSIZE];
         int    is_searching[NUM_DAUS];
         struct i2c_client *client;
-        struct semaphore lock;
+        struct mutex lock;
 };
 
 static struct video_device saa_template;        /* Declared near bottom */
@@ -90,7 +92,7 @@ static int saa5246a_attach(struct i2c_adapter *adap, int addr, int kind)
                 return -ENOMEM;
         }
         strlcpy(client->name, IF_NAME, I2C_NAME_SIZE);
-        init_MUTEX(&t->lock);
+        mutex_init(&t->lock);
 
         /*
          *      Now create a video4linux device
@@ -719,9 +721,9 @@ static int saa5246a_ioctl(struct inode *inode, struct file *file,
         int err;
 
         cmd = vtx_fix_command(cmd);
-        down(&t->lock);
+        mutex_lock(&t->lock);
         err = video_usercopy(inode, file, cmd, arg, do_saa5246a_ioctl);
-        up(&t->lock);
+        mutex_unlock(&t->lock);
         return err;
 }
 
diff --git a/drivers/media/video/saa5249.c b/drivers/media/video/saa5249.c
index 5694eb58c3a1..a9f3cf0b1e3c 100644
--- a/drivers/media/video/saa5249.c
+++ b/drivers/media/video/saa5249.c
@@ -56,6 +56,8 @@
 #include <linux/i2c.h>
 #include <linux/videotext.h>
 #include <linux/videodev.h>
+#include <linux/mutex.h>
+
 
 #include <asm/io.h>
 #include <asm/uaccess.h>
@@ -105,7 +107,7 @@ struct saa5249_device
         int disp_mode;
         int virtual_mode;
         struct i2c_client *client;
-        struct semaphore lock;
+        struct mutex lock;
 };
 
 
@@ -158,7 +160,7 @@ static int saa5249_attach(struct i2c_adapter *adap, int addr, int kind)
                 return -ENOMEM;
         }
         strlcpy(client->name, IF_NAME, I2C_NAME_SIZE);
-        init_MUTEX(&t->lock);
+        mutex_init(&t->lock);
         
         /*
          *      Now create a video4linux device
@@ -619,9 +621,9 @@ static int saa5249_ioctl(struct inode *inode, struct file *file,
         int err;
         
         cmd = vtx_fix_command(cmd);
-        down(&t->lock);
+        mutex_lock(&t->lock);
         err = video_usercopy(inode,file,cmd,arg,do_saa5249_ioctl);
-        up(&t->lock);
+        mutex_unlock(&t->lock);
         return err;
 }
 
diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c
index a7a6ab9298a9..d3c7345a5d22 100644
--- a/drivers/media/video/saa7134/saa7134-alsa.c
+++ b/drivers/media/video/saa7134/saa7134-alsa.c
@@ -609,12 +609,12 @@ static int snd_card_saa7134_capture_open(snd_pcm_substream_t * substream)
         struct saa7134_dev *dev = saa7134->dev;
         int err;
 
-        down(&dev->dmasound.lock);
+        mutex_lock(&dev->dmasound.lock);
 
         dev->dmasound.read_count  = 0;
         dev->dmasound.read_offset = 0;
 
-        up(&dev->dmasound.lock);
+        mutex_unlock(&dev->dmasound.lock);
 
         pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
         if (pcm == NULL)
@@ -932,7 +932,7 @@ static int alsa_card_saa7134_create(struct saa7134_dev *dev, int devnum)
 
         chip->irq = dev->pci->irq;
 
-        init_MUTEX(&dev->dmasound.lock);
+        mutex_init(&dev->dmasound.lock);
 
         if ((err = snd_card_saa7134_new_mixer(chip)) < 0)
                 goto __nodev;
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c
index 028904bd94a2..e7c30665739e 100644
--- a/drivers/media/video/saa7134/saa7134-core.c
+++ b/drivers/media/video/saa7134/saa7134-core.c
@@ -613,7 +613,7 @@ static int saa7134_hwinit1(struct saa7134_dev *dev)
 
         saa_writel(SAA7134_IRQ1, 0);
         saa_writel(SAA7134_IRQ2, 0);
-        init_MUTEX(&dev->lock);
+        mutex_init(&dev->lock);
         spin_lock_init(&dev->slock);
 
         saa7134_track_gpio(dev,"pre-init");
diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c
index bd4c389d4c37..1d972edb3be6 100644
--- a/drivers/media/video/saa7134/saa7134-empress.c
+++ b/drivers/media/video/saa7134/saa7134-empress.c
@@ -89,7 +89,7 @@ static int ts_open(struct inode *inode, struct file *file)
 
         dprintk("open minor=%d\n",minor);
         err = -EBUSY;
-        if (down_trylock(&dev->empress_tsq.lock))
+        if (!mutex_trylock(&dev->empress_tsq.lock))
                 goto done;
         if (dev->empress_users)
                 goto done_up;
@@ -99,7 +99,7 @@ static int ts_open(struct inode *inode, struct file *file)
         err = 0;
 
 done_up:
-        up(&dev->empress_tsq.lock);
+        mutex_unlock(&dev->empress_tsq.lock);
 done:
         return err;
 }
@@ -110,7 +110,7 @@ static int ts_release(struct inode *inode, struct file *file)
 
         if (dev->empress_tsq.streaming)
                 videobuf_streamoff(&dev->empress_tsq);
-        down(&dev->empress_tsq.lock);
+        mutex_lock(&dev->empress_tsq.lock);
         if (dev->empress_tsq.reading)
                 videobuf_read_stop(&dev->empress_tsq);
         videobuf_mmap_free(&dev->empress_tsq);
@@ -119,7 +119,7 @@ static int ts_release(struct inode *inode, struct file *file)
         /* stop the encoder */
         ts_reset_encoder(dev);
 
-        up(&dev->empress_tsq.lock);
+        mutex_unlock(&dev->empress_tsq.lock);
         return 0;
 }
 
diff --git a/drivers/media/video/saa7134/saa7134-oss.c b/drivers/media/video/saa7134/saa7134-oss.c
index 7448e386a804..80e34a5fdcc5 100644
--- a/drivers/media/video/saa7134/saa7134-oss.c
+++ b/drivers/media/video/saa7134/saa7134-oss.c
@@ -254,7 +254,7 @@ static int dsp_open(struct inode *inode, struct file *file)
         if (NULL == dev)
                 return -ENODEV;
 
-        down(&dev->dmasound.lock);
+        mutex_lock(&dev->dmasound.lock);
         err = -EBUSY;
         if (dev->dmasound.users_dsp)
                 goto fail1;
@@ -270,13 +270,13 @@ static int dsp_open(struct inode *inode, struct file *file)
         if (0 != err)
                 goto fail2;
 
-        up(&dev->dmasound.lock);
+        mutex_unlock(&dev->dmasound.lock);
         return 0;
 
  fail2:
         dev->dmasound.users_dsp--;
  fail1:
-        up(&dev->dmasound.lock);
+        mutex_unlock(&dev->dmasound.lock);
         return err;
 }
 
@@ -284,13 +284,13 @@ static int dsp_release(struct inode *inode, struct file *file)
 {
         struct saa7134_dev *dev = file->private_data;
 
-        down(&dev->dmasound.lock);
+        mutex_lock(&dev->dmasound.lock);
         if (dev->dmasound.recording_on)
                 dsp_rec_stop(dev);
         dsp_buffer_free(dev);
         dev->dmasound.users_dsp--;
         file->private_data = NULL;
-        up(&dev->dmasound.lock);
+        mutex_unlock(&dev->dmasound.lock);
         return 0;
 }
 
@@ -304,7 +304,7 @@ static ssize_t dsp_read(struct file *file, char __user *buffer,
         int err,ret = 0;
 
         add_wait_queue(&dev->dmasound.wq, &wait);
-        down(&dev->dmasound.lock);
+        mutex_lock(&dev->dmasound.lock);
         while (count > 0) {
                 /* wait for data if needed */
                 if (0 == dev->dmasound.read_count) {
@@ -328,12 +328,12 @@ static ssize_t dsp_read(struct file *file, char __user *buffer,
                                         ret = -EAGAIN;
                                 break;
                         }
-                        up(&dev->dmasound.lock);
+                        mutex_unlock(&dev->dmasound.lock);
                         set_current_state(TASK_INTERRUPTIBLE);
                         if (0 == dev->dmasound.read_count)
                                 schedule();
                         set_current_state(TASK_RUNNING);
-                        down(&dev->dmasound.lock);
+                        mutex_lock(&dev->dmasound.lock);
                         if (signal_pending(current)) {
                                 if (0 == ret)
                                         ret = -EINTR;
@@ -362,7 +362,7 @@ static ssize_t dsp_read(struct file *file, char __user *buffer,
                 if (dev->dmasound.read_offset == dev->dmasound.bufsize)
                         dev->dmasound.read_offset = 0;
         }
-        up(&dev->dmasound.lock);
+        mutex_unlock(&dev->dmasound.lock);
         remove_wait_queue(&dev->dmasound.wq, &wait);
         return ret;
 }
@@ -435,13 +435,13 @@ static int dsp_ioctl(struct inode *inode, struct file *file,
         case SNDCTL_DSP_STEREO:
                 if (get_user(val, p))
                         return -EFAULT;
-                down(&dev->dmasound.lock);
+                mutex_lock(&dev->dmasound.lock);
                 dev->dmasound.channels = val ? 2 : 1;
                 if (dev->dmasound.recording_on) {
                         dsp_rec_stop(dev);
                         dsp_rec_start(dev);
                 }
-                up(&dev->dmasound.lock);
+                mutex_unlock(&dev->dmasound.lock);
                 return put_user(dev->dmasound.channels-1, p);
 
         case SNDCTL_DSP_CHANNELS:
@@ -449,13 +449,13 @@ static int dsp_ioctl(struct inode *inode, struct file *file,
                         return -EFAULT;
                 if (val != 1 && val != 2)
                         return -EINVAL;
-                down(&dev->dmasound.lock);
+                mutex_lock(&dev->dmasound.lock);
                 dev->dmasound.channels = val;
                 if (dev->dmasound.recording_on) {
                         dsp_rec_stop(dev);
                         dsp_rec_start(dev);
                 }
-                up(&dev->dmasound.lock);
+                mutex_unlock(&dev->dmasound.lock);
                 /* fall through */
         case SOUND_PCM_READ_CHANNELS:
                 return put_user(dev->dmasound.channels, p);
@@ -478,13 +478,13 @@ static int dsp_ioctl(struct inode *inode, struct file *file,
                 case AFMT_U16_BE:
                 case AFMT_S16_LE:
                 case AFMT_S16_BE:
-                        down(&dev->dmasound.lock);
+                        mutex_lock(&dev->dmasound.lock);
                         dev->dmasound.afmt = val;
                         if (dev->dmasound.recording_on) {
                                 dsp_rec_stop(dev);
                                 dsp_rec_start(dev);
                         }
-                        up(&dev->dmasound.lock);
+                        mutex_unlock(&dev->dmasound.lock);
                         return put_user(dev->dmasound.afmt, p);
                 default:
                         return -EINVAL;
@@ -509,10 +509,10 @@ static int dsp_ioctl(struct inode *inode, struct file *file,
                 return 0;
 
         case SNDCTL_DSP_RESET:
-                down(&dev->dmasound.lock);
+                mutex_lock(&dev->dmasound.lock);
                 if (dev->dmasound.recording_on)
                         dsp_rec_stop(dev);
-                up(&dev->dmasound.lock);
+                mutex_unlock(&dev->dmasound.lock);
                 return 0;
         case SNDCTL_DSP_GETBLKSIZE:
                 return put_user(dev->dmasound.blksize, p);
@@ -556,10 +556,10 @@ static unsigned int dsp_poll(struct file *file, struct poll_table_struct *wait)
         poll_wait(file, &dev->dmasound.wq, wait);
 
         if (0 == dev->dmasound.read_count) {
-                down(&dev->dmasound.lock);
+                mutex_lock(&dev->dmasound.lock);
                 if (!dev->dmasound.recording_on)
                         dsp_rec_start(dev);
-                up(&dev->dmasound.lock);
+                mutex_unlock(&dev->dmasound.lock);
         } else
                 mask |= (POLLIN | POLLRDNORM);
         return mask;
@@ -852,7 +852,7 @@ int saa7134_oss_init1(struct saa7134_dev *dev)
                 return -1;
 
         /* general */
-        init_MUTEX(&dev->dmasound.lock);
+        mutex_init(&dev->dmasound.lock);
         init_waitqueue_head(&dev->dmasound.wq);
 
         switch (dev->pci->device) {
diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c
index e97426bc85df..72f389a51a13 100644
--- a/drivers/media/video/saa7134/saa7134-video.c
+++ b/drivers/media/video/saa7134/saa7134-video.c
@@ -460,17 +460,17 @@ static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int
                 return 1;
 
         /* is it free? */
-        down(&dev->lock);
+        mutex_lock(&dev->lock);
         if (dev->resources & bit) {
                 /* no, someone else uses it */
-                up(&dev->lock);
+                mutex_unlock(&dev->lock);
                 return 0;
         }
         /* it's free, grab it */
         fh->resources  |= bit;
         dev->resources |= bit;
         dprintk("res: get %d\n",bit);
-        up(&dev->lock);
+        mutex_unlock(&dev->lock);
         return 1;
 }
 
@@ -492,11 +492,11 @@ void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits)
         if ((fh->resources & bits) != bits)
                 BUG();
 
-        down(&dev->lock);
+        mutex_lock(&dev->lock);
         fh->resources  &= ~bits;
         dev->resources &= ~bits;
         dprintk("res: put %d\n",bits);
-        up(&dev->lock);
+        mutex_unlock(&dev->lock);
 }
 
 /* ------------------------------------------------------------------ */
@@ -1340,21 +1340,21 @@ video_poll(struct file *file, struct poll_table_struct *wait)
                 if (!list_empty(&fh->cap.stream))
                         buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
         } else {
-                down(&fh->cap.lock);
+                mutex_lock(&fh->cap.lock);
                 if (UNSET == fh->cap.read_off) {
                         /* need to capture a new frame */
                         if (res_locked(fh->dev,RESOURCE_VIDEO)) {
-                                up(&fh->cap.lock);
+                                mutex_unlock(&fh->cap.lock);
                                 return POLLERR;
                         }
                         if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
-                                up(&fh->cap.lock);
+                                mutex_unlock(&fh->cap.lock);
                                 return POLLERR;
                         }
                         fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
                         fh->cap.read_off = 0;
                 }
-                up(&fh->cap.lock);
+                mutex_unlock(&fh->cap.lock);
                 buf = fh->cap.read_buf;
         }
 
@@ -1561,14 +1561,14 @@ static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
                 if (0 != err)
                         return err;
 
-                down(&dev->lock);
+                mutex_lock(&dev->lock);
                 fh->win    = f->fmt.win;
                 fh->nclips = f->fmt.win.clipcount;
                 if (fh->nclips > 8)
                         fh->nclips = 8;
                 if (copy_from_user(fh->clips,f->fmt.win.clips,
                                    sizeof(struct v4l2_clip)*fh->nclips)) {
-                        up(&dev->lock);
+                        mutex_unlock(&dev->lock);
                         return -EFAULT;
                 }
 
@@ -1578,7 +1578,7 @@ static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh,
                         start_preview(dev,fh);
                         spin_unlock_irqrestore(&dev->slock,flags);
                 }
-                up(&dev->lock);
+                mutex_unlock(&dev->lock);
                 return 0;
         case V4L2_BUF_TYPE_VBI_CAPTURE:
                 saa7134_vbi_fmt(dev,f);
@@ -1612,9 +1612,9 @@ int saa7134_common_ioctl(struct saa7134_dev *dev,
                 return get_control(dev,arg);
         case VIDIOC_S_CTRL:
         {
-                down(&dev->lock);
+                mutex_lock(&dev->lock);
                 err = set_control(dev,NULL,arg);
-                up(&dev->lock);
+                mutex_unlock(&dev->lock);
                 return err;
         }
         /* --- input switching --------------------------------------- */
@@ -1664,9 +1664,9 @@ int saa7134_common_ioctl(struct saa7134_dev *dev,
                         return -EINVAL;
                 if (NULL == card_in(dev,*i).name)
                         return -EINVAL;
-                down(&dev->lock);
+                mutex_lock(&dev->lock);
                 video_mux(dev,*i);
-                up(&dev->lock);
+                mutex_unlock(&dev->lock);
                 return 0;
         }
 
@@ -1766,7 +1766,7 @@ static int video_do_ioctl(struct inode *inode, struct file *file,
                 if (i == TVNORMS)
                         return -EINVAL;
 
-                down(&dev->lock);
+                mutex_lock(&dev->lock);
                 if (res_check(fh, RESOURCE_OVERLAY)) {
                         spin_lock_irqsave(&dev->slock,flags);
                         stop_preview(dev,fh);
@@ -1776,7 +1776,7 @@ static int video_do_ioctl(struct inode *inode, struct file *file,
                 } else
                         set_tvnorm(dev,&tvnorms[i]);
                 saa7134_tvaudio_do_scan(dev);
-                up(&dev->lock);
+                mutex_unlock(&dev->lock);
                 return 0;
         }
 
@@ -1909,13 +1909,13 @@ static int video_do_ioctl(struct inode *inode, struct file *file,
                         return -EINVAL;
                 if (1 == fh->radio && V4L2_TUNER_RADIO != f->type)
                         return -EINVAL;
-                down(&dev->lock);
+                mutex_lock(&dev->lock);
                 dev->ctl_freq = f->frequency;
 
                 saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f);
 
                 saa7134_tvaudio_do_scan(dev);
-                up(&dev->lock);
+                mutex_unlock(&dev->lock);
                 return 0;
         }
 
diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h
index ff39a63c7372..691c10be459d 100644
--- a/drivers/media/video/saa7134/saa7134.h
+++ b/drivers/media/video/saa7134/saa7134.h
@@ -29,6 +29,7 @@
 #include <linux/input.h>
 #include <linux/notifier.h>
 #include <linux/delay.h>
+#include <linux/mutex.h>
 
 #include <asm/io.h>
 
@@ -364,7 +365,7 @@ struct saa7134_fh {
 
 /* dmasound dsp status */
 struct saa7134_dmasound {
-        struct semaphore           lock;
+        struct mutex               lock;
         int                        minor_mixer;
         int                        minor_dsp;
         unsigned int               users_dsp;
@@ -428,7 +429,7 @@ struct saa7134_mpeg_ops {
 /* global device status */
 struct saa7134_dev {
         struct list_head           devlist;
-        struct semaphore           lock;
+        struct mutex               lock;
         spinlock_t                 slock;
 #ifdef VIDIOC_G_PRIORITY
         struct v4l2_prio_state     prio;
diff --git a/drivers/media/video/video-buf-dvb.c b/drivers/media/video/video-buf-dvb.c
index 0a4004a4393c..caf3e7e2f219 100644
--- a/drivers/media/video/video-buf-dvb.c
+++ b/drivers/media/video/video-buf-dvb.c
@@ -96,7 +96,7 @@ static int videobuf_dvb_start_feed(struct dvb_demux_feed *feed)
         if (!demux->dmx.frontend)
                 return -EINVAL;
 
-        down(&dvb->lock);
+        mutex_lock(&dvb->lock);
         dvb->nfeeds++;
         rc = dvb->nfeeds;
 
@@ -110,7 +110,7 @@ static int videobuf_dvb_start_feed(struct dvb_demux_feed *feed)
         }
 
 out:
-        up(&dvb->lock);
+        mutex_unlock(&dvb->lock);
         return rc;
 }
 
@@ -120,14 +120,14 @@ static int videobuf_dvb_stop_feed(struct dvb_demux_feed *feed)
         struct videobuf_dvb *dvb = demux->priv;
         int err = 0;
 
-        down(&dvb->lock);
+        mutex_lock(&dvb->lock);
         dvb->nfeeds--;
         if (0 == dvb->nfeeds  &&  NULL != dvb->thread) {
                 // FIXME: cx8802_cancel_buffers(dev);
                 err = kthread_stop(dvb->thread);
                 dvb->thread = NULL;
         }
-        up(&dvb->lock);
+        mutex_unlock(&dvb->lock);
         return err;
 }
 
@@ -139,7 +139,7 @@ int videobuf_dvb_register(struct videobuf_dvb *dvb,
 {
         int result;
 
-        init_MUTEX(&dvb->lock);
+        mutex_init(&dvb->lock);
 
         /* register adapter */
         result = dvb_register_adapter(&dvb->adapter, dvb->name, module);
diff --git a/drivers/media/video/video-buf.c b/drivers/media/video/video-buf.c
index 9ef477523d27..cb1c228e29f8 100644
--- a/drivers/media/video/video-buf.c
+++ b/drivers/media/video/video-buf.c
@@ -385,7 +385,7 @@ void videobuf_queue_init(struct videobuf_queue* q,
         q->ops     = ops;
         q->priv_data = priv;
 
-        init_MUTEX(&q->lock);
+        mutex_init(&q->lock);
         INIT_LIST_HEAD(&q->stream);
 }
 
@@ -549,7 +549,7 @@ videobuf_reqbufs(struct videobuf_queue *q,
         if (!list_empty(&q->stream))
                 return -EBUSY;
 
-        down(&q->lock);
+        mutex_lock(&q->lock);
         count = req->count;
         if (count > VIDEO_MAX_FRAME)
                 count = VIDEO_MAX_FRAME;
@@ -566,7 +566,7 @@ videobuf_reqbufs(struct videobuf_queue *q,
         req->count = count;
 
  done:
-        up(&q->lock);
+        mutex_unlock(&q->lock);
         return retval;
 }
 
@@ -592,7 +592,7 @@ videobuf_qbuf(struct videobuf_queue *q,
         unsigned long flags;
         int retval;
 
-        down(&q->lock);
+        mutex_lock(&q->lock);
         retval = -EBUSY;
         if (q->reading)
                 goto done;
@@ -652,7 +652,7 @@ videobuf_qbuf(struct videobuf_queue *q,
         retval = 0;
 
  done:
-        up(&q->lock);
+        mutex_unlock(&q->lock);
         return retval;
 }
 
@@ -663,7 +663,7 @@ videobuf_dqbuf(struct videobuf_queue *q,
         struct videobuf_buffer *buf;
         int retval;
 
-        down(&q->lock);
+        mutex_lock(&q->lock);
         retval = -EBUSY;
         if (q->reading)
                 goto done;
@@ -693,7 +693,7 @@ videobuf_dqbuf(struct videobuf_queue *q,
         videobuf_status(b,buf,q->type);
 
  done:
-        up(&q->lock);
+        mutex_unlock(&q->lock);
         return retval;
 }
 
@@ -704,7 +704,7 @@ int videobuf_streamon(struct videobuf_queue *q)
         unsigned long flags;
         int retval;
 
-        down(&q->lock);
+        mutex_lock(&q->lock);
         retval = -EBUSY;
         if (q->reading)
                 goto done;
@@ -721,7 +721,7 @@ int videobuf_streamon(struct videobuf_queue *q)
         spin_unlock_irqrestore(q->irqlock,flags);
 
  done:
-        up(&q->lock);
+        mutex_unlock(&q->lock);
         return retval;
 }
 
@@ -729,7 +729,7 @@ int videobuf_streamoff(struct videobuf_queue *q)
 {
         int retval = -EINVAL;
 
-        down(&q->lock);
+        mutex_lock(&q->lock);
         if (!q->streaming)
                 goto done;
         videobuf_queue_cancel(q);
@@ -737,7 +737,7 @@ int videobuf_streamoff(struct videobuf_queue *q)
         retval = 0;
 
  done:
-        up(&q->lock);
+        mutex_unlock(&q->lock);
         return retval;
 }
 
@@ -792,7 +792,7 @@ ssize_t videobuf_read_one(struct videobuf_queue *q,
         unsigned size, nbufs, bytes;
         int retval;
 
-        down(&q->lock);
+        mutex_lock(&q->lock);
 
         nbufs = 1; size = 0;
         q->ops->buf_setup(q,&nbufs,&size);
@@ -860,7 +860,7 @@ ssize_t videobuf_read_one(struct videobuf_queue *q,
         }
 
  done:
-        up(&q->lock);
+        mutex_unlock(&q->lock);
         return retval;
 }
 
@@ -922,7 +922,7 @@ ssize_t videobuf_read_stream(struct videobuf_queue *q,
         unsigned long flags;
 
         dprintk(2,"%s\n",__FUNCTION__);
-        down(&q->lock);
+        mutex_lock(&q->lock);
         retval = -EBUSY;
         if (q->streaming)
                 goto done;
@@ -996,7 +996,7 @@ ssize_t videobuf_read_stream(struct videobuf_queue *q,
         }
 
  done:
-        up(&q->lock);
+        mutex_unlock(&q->lock);
         return retval;
 }
 
@@ -1007,7 +1007,7 @@ unsigned int videobuf_poll_stream(struct file *file,
         struct videobuf_buffer *buf = NULL;
         unsigned int rc = 0;
 
-        down(&q->lock);
+        mutex_lock(&q->lock);
         if (q->streaming) {
                 if (!list_empty(&q->stream))
                         buf = list_entry(q->stream.next,
@@ -1035,7 +1035,7 @@ unsigned int videobuf_poll_stream(struct file *file,
                     buf->state == STATE_ERROR)
                         rc = POLLIN|POLLRDNORM;
         }
-        up(&q->lock);
+        mutex_unlock(&q->lock);
         return rc;
 }
 
@@ -1064,7 +1064,7 @@ videobuf_vm_close(struct vm_area_struct *vma)
         map->count--;
         if (0 == map->count) {
                 dprintk(1,"munmap %p q=%p\n",map,q);
-                down(&q->lock);
+                mutex_lock(&q->lock);
                 for (i = 0; i < VIDEO_MAX_FRAME; i++) {
                         if (NULL == q->bufs[i])
                                 continue;
@@ -1076,7 +1076,7 @@ videobuf_vm_close(struct vm_area_struct *vma)
                         q->bufs[i]->baddr = 0;
                         q->ops->buf_release(q,q->bufs[i]);
                 }
-                up(&q->lock);
+                mutex_unlock(&q->lock);
                 kfree(map);
         }
         return;
@@ -1170,7 +1170,7 @@ int videobuf_mmap_mapper(struct videobuf_queue *q,
         unsigned int first,last,size,i;
         int retval;
 
-        down(&q->lock);
+        mutex_lock(&q->lock);
         retval = -EINVAL;
         if (!(vma->vm_flags & VM_WRITE)) {
                 dprintk(1,"mmap app bug: PROT_WRITE please\n");
@@ -1238,7 +1238,7 @@ int videobuf_mmap_mapper(struct videobuf_queue *q,
         retval = 0;
 
  done:
-        up(&q->lock);
+        mutex_unlock(&q->lock);
         return retval;
 }
 
diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c
index 908fbec776ac..75e3d41382f2 100644
--- a/drivers/media/video/videodev.c
+++ b/drivers/media/video/videodev.c
@@ -224,13 +224,13 @@ int video_exclusive_open(struct inode *inode, struct file *file)
         struct  video_device *vfl = video_devdata(file);
         int retval = 0;
 
-        down(&vfl->lock);
+        mutex_lock(&vfl->lock);
         if (vfl->users) {
                 retval = -EBUSY;
         } else {
                 vfl->users++;
         }
-        up(&vfl->lock);
+        mutex_unlock(&vfl->lock);
         return retval;
 }
 
@@ -328,7 +328,7 @@ int video_register_device(struct video_device *vfd, int type, int nr)
         sprintf(vfd->devfs_name, "v4l/%s%d", name_base, i - base);
         devfs_mk_cdev(MKDEV(VIDEO_MAJOR, vfd->minor),
                         S_IFCHR | S_IRUSR | S_IWUSR, vfd->devfs_name);
-        init_MUTEX(&vfd->lock);
+        mutex_init(&vfd->lock);
 
         /* sysfs class */
         memset(&vfd->class_dev, 0x00, sizeof(vfd->class_dev));
diff --git a/drivers/media/video/vino.c b/drivers/media/video/vino.c
index c8fd8238904d..0229819d0aac 100644
--- a/drivers/media/video/vino.c
+++ b/drivers/media/video/vino.c
@@ -42,6 +42,7 @@
 #include <linux/videodev.h>
 #include <linux/videodev2.h>
 #include <linux/video_decoder.h>
+#include <linux/mutex.h>
 
 #include <asm/paccess.h>
 #include <asm/io.h>
@@ -245,7 +246,7 @@ struct vino_framebuffer_queue {
         struct vino_framebuffer *buffer[VINO_FRAMEBUFFER_COUNT_MAX];
 
         spinlock_t queue_lock;
-        struct semaphore queue_sem;
+        struct mutex queue_mutex;
         wait_queue_head_t frame_wait_queue;
 };
 
@@ -283,7 +284,7 @@ struct vino_channel_settings {
         /* the driver is currently processing the queue */
         int capturing;
 
-        struct semaphore sem;
+        struct mutex mutex;
         spinlock_t capture_lock;
 
         unsigned int users;
@@ -1131,11 +1132,11 @@ static void vino_queue_free(struct vino_framebuffer_queue *q)
         if (q->type != VINO_MEMORY_MMAP)
                 return;
 
-        down(&q->queue_sem);
+        mutex_lock(&q->queue_mutex);
 
         vino_queue_free_with_count(q, q->length);
 
-        up(&q->queue_sem);
+        mutex_unlock(&q->queue_mutex);
 }
 
 static int vino_queue_init(struct vino_framebuffer_queue *q,
@@ -1159,7 +1160,7 @@ static int vino_queue_init(struct vino_framebuffer_queue *q,
         if (*length < 1)
                 return -EINVAL;
 
-        down(&q->queue_sem);
+        mutex_lock(&q->queue_mutex);
 
         if (*length > VINO_FRAMEBUFFER_COUNT_MAX)
                 *length = VINO_FRAMEBUFFER_COUNT_MAX;
@@ -1211,7 +1212,7 @@ static int vino_queue_init(struct vino_framebuffer_queue *q,
                 q->magic = VINO_QUEUE_MAGIC;
         }
 
-        up(&q->queue_sem);
+        mutex_unlock(&q->queue_mutex);
 
         return ret;
 }
@@ -4045,7 +4046,7 @@ static int vino_open(struct inode *inode, struct file *file)
         dprintk("open(): channel = %c\n",
                (vcs->channel == VINO_CHANNEL_A) ? 'A' : 'B');
 
-        down(&vcs->sem);
+        mutex_lock(&vcs->mutex);
 
         if (vcs->users) {
                 dprintk("open(): driver busy\n");
@@ -4062,7 +4063,7 @@ static int vino_open(struct inode *inode, struct file *file)
         vcs->users++;
 
  out:
-        up(&vcs->sem);
+        mutex_unlock(&vcs->mutex);
 
         dprintk("open(): %s!\n", ret ? "failed" : "complete");
 
@@ -4075,7 +4076,7 @@ static int vino_close(struct inode *inode, struct file *file)
         struct vino_channel_settings *vcs = video_get_drvdata(dev);
         dprintk("close():\n");
 
-        down(&vcs->sem);
+        mutex_lock(&vcs->mutex);
 
         vcs->users--;
 
@@ -4087,7 +4088,7 @@ static int vino_close(struct inode *inode, struct file *file)
                 vino_queue_free(&vcs->fb_queue);
         }
 
-        up(&vcs->sem);
+        mutex_unlock(&vcs->mutex);
 
         return 0;
 }
@@ -4130,7 +4131,7 @@ static int vino_mmap(struct file *file, struct vm_area_struct *vma)
 
         // TODO: reject mmap if already mapped
 
-        if (down_interruptible(&vcs->sem))
+        if (mutex_lock_interruptible(&vcs->mutex))
                 return -EINTR;
 
         if (vcs->reading) {
@@ -4214,7 +4215,7 @@ found:
         vma->vm_ops = &vino_vm_ops;
 
 out:
-        up(&vcs->sem);
+        mutex_unlock(&vcs->mutex);
 
         return ret;
 }
@@ -4374,12 +4375,12 @@ static int vino_ioctl(struct inode *inode, struct file *file,
         struct vino_channel_settings *vcs = video_get_drvdata(dev);
         int ret;
 
-        if (down_interruptible(&vcs->sem))
+        if (mutex_lock_interruptible(&vcs->mutex))
                 return -EINTR;
 
         ret = video_usercopy(inode, file, cmd, arg, vino_do_ioctl);
 
-        up(&vcs->sem);
+        mutex_unlock(&vcs->mutex);
 
         return ret;
 }
@@ -4564,10 +4565,10 @@ static int vino_init_channel_settings(struct vino_channel_settings *vcs,
 
         vcs->capturing = 0;
 
-        init_MUTEX(&vcs->sem);
+        mutex_init(&vcs->mutex);
         spin_lock_init(&vcs->capture_lock);
 
-        init_MUTEX(&vcs->fb_queue.queue_sem);
+        mutex_init(&vcs->fb_queue.queue_mutex);
         spin_lock_init(&vcs->fb_queue.queue_lock);
         init_waitqueue_head(&vcs->fb_queue.frame_wait_queue);