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>
diff --git a/drivers/media/video/arv.c b/drivers/media/video/arv.c
index 994b75f..c586f64 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 @@
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 @@
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 @@
}
DEBUG(1, "ret = %d\n", ret);
out_up:
- up(&ar->lock);
+ mutex_unlock(&ar->lock);
return ret;
}
@@ -456,7 +456,7 @@
(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 @@
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 @@
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 @@
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 578b200..c0415d6 100644
--- a/drivers/media/video/bttv-driver.c
+++ b/drivers/media/video/bttv-driver.c
@@ -1965,7 +1965,7 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
/* switch over */
retval = bttv_switch_overlay(btv,fh,new);
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return retval;
}
@@ -2460,7 +2460,7 @@
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 @@
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 @@
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 @@
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 @@
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 @@
retval = -EINVAL;
break;
}
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return retval;
}
@@ -2719,7 +2719,7 @@
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 @@
retval = bttv_switch_overlay(btv,fh,new);
}
}
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return retval;
}
@@ -2890,7 +2890,7 @@
return 0;
fh_unlock_and_return:
- up(&fh->cap.lock);
+ mutex_unlock(&fh->cap.lock);
return retval;
}
@@ -2957,16 +2957,16 @@
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 @@
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 6bad93e..d97b7d8 100644
--- a/drivers/media/video/bw-qcam.c
+++ b/drivers/media/video/bw-qcam.c
@@ -73,7 +73,7 @@
#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 @@
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 @@
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 @@
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 @@
int len;
parport_claim_or_block(qcam->pdev);
- down(&qcam->lock);
+ mutex_lock(&qcam->lock);
qc_reset(qcam);
@@ -864,7 +864,7 @@
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 723e8ad..6701daf 100644
--- a/drivers/media/video/bw-qcam.h
+++ b/drivers/media/video/bw-qcam.h
@@ -55,7 +55,7 @@
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 9976db4..8211fd8 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 @@
int contrast, brightness, whitebal;
int top, left;
unsigned int bidirectional;
- struct semaphore lock;
+ struct mutex lock;
};
/* cameras maximum */
@@ -581,11 +582,11 @@
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 @@
#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 @@
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 @@
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 9f59541..c240502 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 @@
buffer = page;
- if (down_interruptible(&cam->param_lock))
+ if (mutex_lock_interruptible(&cam->param_lock))
return -ERESTARTSYS;
/*
@@ -1350,7 +1350,7 @@
} 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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
(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 @@
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 @@
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 @@
/* 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 @@
}
cam->cmd_queue = COMMAND_NONE;
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return;
}
@@ -2562,7 +2562,7 @@
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 @@
LOG("Automatically increasing sensor_fps\n");
}
}
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
}
/*-----------------------------------------------------------------*/
@@ -2778,10 +2778,10 @@
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 @@
cam->exposure_status = EXPOSURE_NORMAL;
}
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
}
#undef FIRMWARE_VERSION
@@ -3186,7 +3186,7 @@
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 @@
++cam->open_count;
file->private_data = dev;
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return 0;
oops:
@@ -3239,7 +3239,7 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
/* 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 @@
/* 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 @@
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 @@
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 @@
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 @@
break;
}
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return retval;
}
@@ -3769,12 +3769,12 @@
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 @@
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 @@
}
DBG("cpia_mmap: %ld\n", size);
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return 0;
}
@@ -3936,8 +3936,8 @@
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 f629b69..de66782 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 @@
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 @@
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 3720f24a..eda7cd8 100644
--- a/drivers/media/video/cx88/cx88-core.c
+++ b/drivers/media/video/cx88/cx88-core.c
@@ -1061,7 +1061,7 @@
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 073494c..d15ef15 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -336,17 +336,17 @@
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 @@
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 @@
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 @@
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 @@
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 @@
msleep (10);
cx88_set_tvaudio(core);
- up(&core->lock);
+ mutex_unlock(&core->lock);
return 0;
}
@@ -1921,11 +1921,11 @@
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 31a688a..a4cf247 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 @@
/* 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 1c1557d..671fc52 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -362,12 +362,12 @@
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 @@
dev->state |= DEV_INITIALIZED;
- err:
- up(&dev->lock);
+err:
+ mutex_unlock(&dev->lock);
up_read(&em28xx_disconnect);
return errCode;
}
@@ -447,7 +447,7 @@
em28xx_videodbg("users=%d\n", dev->users);
- down(&dev->lock);
+ mutex_lock(&dev->lock);
em28xx_uninit_isoc(dev);
@@ -456,7 +456,7 @@
/* 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 @@
dev->users--;
wake_up_interruptible_nr(&dev->open, 1);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
@@ -496,7 +496,7 @@
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_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 @@
}
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 @@
(!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 @@
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 @@
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 @@
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 @@
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 @@
}
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 @@
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 @@
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 @@
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 @@
em28xx_i2c_call_clients(dev, VIDIOC_S_STD,
&dev->tvnorm->id);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
@@ -1189,9 +1189,9 @@
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 @@
/* 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 @@
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 @@
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 @@
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 @@
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 @@
return -ENOMEM;
}
- down(&dev->lock);
+ mutex_lock(&dev->lock);
/* register i2c bus */
em28xx_i2c_register(dev);
@@ -1798,7 +1798,7 @@
/* configure the device */
em28xx_config_i2c(dev);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
errCode = em28xx_config(dev);
@@ -1849,12 +1849,12 @@
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 @@
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 @@
}
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 @@
down_write(&em28xx_disconnect);
- down(&dev->lock);
+ mutex_lock(&dev->lock);
em28xx_info("disconnecting %s\n", dev->vdev->name);
@@ -2057,7 +2057,7 @@
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 ddf06c5..4e2fe62 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 @@
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 2869464..850bee9 100644
--- a/drivers/media/video/meye.c
+++ b/drivers/media/video/meye.c
@@ -925,7 +925,7 @@
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 @@
sonypi_camera_command(SONYPI_COMMAND_SETCAMERACONTRAST,
p->contrast >> 10);
meye.picture = *p;
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
@@ -946,21 +946,21 @@
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 @@
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 @@
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 @@
restart = 1;
}
} else {
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return -EINVAL;
}
@@ -1007,7 +1007,7 @@
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 @@
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 @@
meye.params.agc);
sonypi_camera_command(SONYPI_COMMAND_SETCAMERAPICTURE,
meye.params.picture);
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
break;
}
@@ -1068,12 +1068,12 @@
}
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 @@
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 @@
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 @@
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 @@
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 @@
*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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
/* 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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
{
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 @@
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 @@
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 @@
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 @@
vma->vm_private_data = (void *) (offset / gbufsize);
meye_vm_open(vma);
- up(&meye.lock);
+ mutex_unlock(&meye.lock);
return 0;
}
@@ -1913,7 +1913,7 @@
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 e8cd897..0d09a0e 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 @@
/* 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 8416cef..69a7edd 100644
--- a/drivers/media/video/mxb.c
+++ b/drivers/media/video/mxb.c
@@ -625,9 +625,9 @@
}
/* 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 f3fc361..15fd85a 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 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 @@
#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 8a0faad..79b6b56 100644
--- a/drivers/media/video/planb.h
+++ b/drivers/media/video/planb.h
@@ -174,7 +174,7 @@
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 9e64486..05ca559 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 video_picture picture;
int height;
int width;
- struct semaphore lock;
+ struct mutex lock;
};
struct i2c_info
@@ -724,10 +726,10 @@
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 @@
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 @@
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 @@
* 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 @@
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 @@
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 @@
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 2ce0102..dd830e0 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 @@
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 @@
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 @@
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 5694eb5..a9f3cf0 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 @@
int disp_mode;
int virtual_mode;
struct i2c_client *client;
- struct semaphore lock;
+ struct mutex lock;
};
@@ -158,7 +160,7 @@
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 @@
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 a7a6ab9..d3c7345 100644
--- a/drivers/media/video/saa7134/saa7134-alsa.c
+++ b/drivers/media/video/saa7134/saa7134-alsa.c
@@ -609,12 +609,12 @@
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 @@
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 028904b..e7c3066 100644
--- a/drivers/media/video/saa7134/saa7134-core.c
+++ b/drivers/media/video/saa7134/saa7134-core.c
@@ -613,7 +613,7 @@
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 bd4c389..1d972ed 100644
--- a/drivers/media/video/saa7134/saa7134-empress.c
+++ b/drivers/media/video/saa7134/saa7134-empress.c
@@ -89,7 +89,7 @@
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 @@
err = 0;
done_up:
- up(&dev->empress_tsq.lock);
+ mutex_unlock(&dev->empress_tsq.lock);
done:
return err;
}
@@ -110,7 +110,7 @@
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 @@
/* 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 7448e38..80e34a5 100644
--- a/drivers/media/video/saa7134/saa7134-oss.c
+++ b/drivers/media/video/saa7134/saa7134-oss.c
@@ -254,7 +254,7 @@
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 @@
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 @@
{
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 e97426b..72f389a 100644
--- a/drivers/media/video/saa7134/saa7134-video.c
+++ b/drivers/media/video/saa7134/saa7134-video.c
@@ -460,17 +460,17 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
} else
set_tvnorm(dev,&tvnorms[i]);
saa7134_tvaudio_do_scan(dev);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
@@ -1909,13 +1909,13 @@
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 ff39a63..691c10b 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 @@
/* 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 @@
/* 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 0a4004a..caf3e7e 100644
--- a/drivers/media/video/video-buf-dvb.c
+++ b/drivers/media/video/video-buf-dvb.c
@@ -96,7 +96,7 @@
if (!demux->dmx.frontend)
return -EINVAL;
- down(&dvb->lock);
+ mutex_lock(&dvb->lock);
dvb->nfeeds++;
rc = dvb->nfeeds;
@@ -110,7 +110,7 @@
}
out:
- up(&dvb->lock);
+ mutex_unlock(&dvb->lock);
return rc;
}
@@ -120,14 +120,14 @@
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 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 9ef4775..cb1c228 100644
--- a/drivers/media/video/video-buf.c
+++ b/drivers/media/video/video-buf.c
@@ -385,7 +385,7 @@
q->ops = ops;
q->priv_data = priv;
- init_MUTEX(&q->lock);
+ mutex_init(&q->lock);
INIT_LIST_HEAD(&q->stream);
}
@@ -549,7 +549,7 @@
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 @@
req->count = count;
done:
- up(&q->lock);
+ mutex_unlock(&q->lock);
return retval;
}
@@ -592,7 +592,7 @@
unsigned long flags;
int retval;
- down(&q->lock);
+ mutex_lock(&q->lock);
retval = -EBUSY;
if (q->reading)
goto done;
@@ -652,7 +652,7 @@
retval = 0;
done:
- up(&q->lock);
+ mutex_unlock(&q->lock);
return retval;
}
@@ -663,7 +663,7 @@
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_status(b,buf,q->type);
done:
- up(&q->lock);
+ mutex_unlock(&q->lock);
return retval;
}
@@ -704,7 +704,7 @@
unsigned long flags;
int retval;
- down(&q->lock);
+ mutex_lock(&q->lock);
retval = -EBUSY;
if (q->reading)
goto done;
@@ -721,7 +721,7 @@
spin_unlock_irqrestore(q->irqlock,flags);
done:
- up(&q->lock);
+ mutex_unlock(&q->lock);
return retval;
}
@@ -729,7 +729,7 @@
{
int retval = -EINVAL;
- down(&q->lock);
+ mutex_lock(&q->lock);
if (!q->streaming)
goto done;
videobuf_queue_cancel(q);
@@ -737,7 +737,7 @@
retval = 0;
done:
- up(&q->lock);
+ mutex_unlock(&q->lock);
return retval;
}
@@ -792,7 +792,7 @@
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 @@
}
done:
- up(&q->lock);
+ mutex_unlock(&q->lock);
return retval;
}
@@ -922,7 +922,7 @@
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 @@
}
done:
- up(&q->lock);
+ mutex_unlock(&q->lock);
return retval;
}
@@ -1007,7 +1007,7 @@
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 @@
buf->state == STATE_ERROR)
rc = POLLIN|POLLRDNORM;
}
- up(&q->lock);
+ mutex_unlock(&q->lock);
return rc;
}
@@ -1064,7 +1064,7 @@
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 @@
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 @@
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 @@
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 908fbec..75e3d41 100644
--- a/drivers/media/video/videodev.c
+++ b/drivers/media/video/videodev.c
@@ -224,13 +224,13 @@
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 @@
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 c8fd823..0229819 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 *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 @@
/* 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 @@
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 @@
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 @@
q->magic = VINO_QUEUE_MAGIC;
}
- up(&q->queue_sem);
+ mutex_unlock(&q->queue_mutex);
return ret;
}
@@ -4045,7 +4046,7 @@
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 @@
vcs->users++;
out:
- up(&vcs->sem);
+ mutex_unlock(&vcs->mutex);
dprintk("open(): %s!\n", ret ? "failed" : "complete");
@@ -4075,7 +4076,7 @@
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 @@
vino_queue_free(&vcs->fb_queue);
}
- up(&vcs->sem);
+ mutex_unlock(&vcs->mutex);
return 0;
}
@@ -4130,7 +4131,7 @@
// 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 @@
vma->vm_ops = &vino_vm_ops;
out:
- up(&vcs->sem);
+ mutex_unlock(&vcs->mutex);
return ret;
}
@@ -4374,12 +4375,12 @@
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 @@
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);