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>

31 files changed, 262 insertions, 251 deletions

diff --git a/drivers/media/dvb/b2c2/flexcop-common.h b/drivers/media/dvb/b2c2/flexcop-common.h
index 7d7e1613c5a..b3dd0603cd9 100644
--- a/drivers/media/dvb/b2c2/flexcop-common.h
+++ b/drivers/media/dvb/b2c2/flexcop-common.h
@@ -10,6 +10,7 @@
 
 #include <linux/config.h>
 #include <linux/pci.h>
+#include <linux/mutex.h>
 
 #include "flexcop-reg.h"
 
@@ -73,8 +74,7 @@ struct flexcop_device {
 	int (*fe_sleep) (struct dvb_frontend *);
 
 	struct i2c_adapter i2c_adap;
-	struct semaphore i2c_sem;
-
+	struct mutex i2c_mutex;
 	struct module *owner;
 
 	/* options and status */
diff --git a/drivers/media/dvb/b2c2/flexcop-i2c.c b/drivers/media/dvb/b2c2/flexcop-i2c.c
index 56495cb6cd0..e0bd2d8f0f0 100644
--- a/drivers/media/dvb/b2c2/flexcop-i2c.c
+++ b/drivers/media/dvb/b2c2/flexcop-i2c.c
@@ -135,7 +135,7 @@ static int flexcop_master_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msgs
 	struct flexcop_device *fc = i2c_get_adapdata(i2c_adap);
 	int i, ret = 0;
 
-	if (down_interruptible(&fc->i2c_sem))
+	if (mutex_lock_interruptible(&fc->i2c_mutex))
 		return -ERESTARTSYS;
 
 	/* reading */
@@ -161,7 +161,7 @@ static int flexcop_master_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msgs
 	else
 		ret = num;
 
-	up(&fc->i2c_sem);
+	mutex_unlock(&fc->i2c_mutex);
 
 	return ret;
 }
@@ -180,7 +180,7 @@ int flexcop_i2c_init(struct flexcop_device *fc)
 {
 	int ret;
 
-	sema_init(&fc->i2c_sem,1);
+	mutex_init(&fc->i2c_mutex);
 
 	memset(&fc->i2c_adap, 0, sizeof(struct i2c_adapter));
 	strncpy(fc->i2c_adap.name, "B2C2 FlexCop device",I2C_NAME_SIZE);
diff --git a/drivers/media/dvb/bt8xx/bt878.c b/drivers/media/dvb/bt8xx/bt878.c
index 34c3189a1a3..d276ce6b366 100644
--- a/drivers/media/dvb/bt8xx/bt878.c
+++ b/drivers/media/dvb/bt8xx/bt878.c
@@ -344,7 +344,7 @@ bt878_device_control(struct bt878 *bt, unsigned int cmd, union dst_gpio_packet *
 	int retval;
 
 	retval = 0;
-	if (down_interruptible (&bt->gpio_lock))
+	if (mutex_lock_interruptible(&bt->gpio_lock))
 		return -ERESTARTSYS;
 	/* special gpio signal */
 	switch (cmd) {
@@ -375,7 +375,7 @@ bt878_device_control(struct bt878 *bt, unsigned int cmd, union dst_gpio_packet *
 		retval = -EINVAL;
 		break;
 	}
-	up(&bt->gpio_lock);
+	mutex_unlock(&bt->gpio_lock);
 	return retval;
 }
 
diff --git a/drivers/media/dvb/bt8xx/bt878.h b/drivers/media/dvb/bt8xx/bt878.h
index 9faf93770d0..f685bc12960 100644
--- a/drivers/media/dvb/bt8xx/bt878.h
+++ b/drivers/media/dvb/bt8xx/bt878.h
@@ -25,6 +25,8 @@
 #include <linux/pci.h>
 #include <linux/sched.h>
 #include <linux/spinlock.h>
+#include <linux/mutex.h>
+
 #include "bt848.h"
 #include "bttv.h"
 
@@ -108,7 +110,7 @@ struct cards {
 extern int bt878_num;
 
 struct bt878 {
-	struct semaphore  gpio_lock;
+	struct mutex gpio_lock;
 	unsigned int nr;
 	unsigned int bttv_nr;
 	struct i2c_adapter *adapter;
diff --git a/drivers/media/dvb/bt8xx/dst.c b/drivers/media/dvb/bt8xx/dst.c
index 3a2ff1cc24b..d800df1212c 100644
--- a/drivers/media/dvb/bt8xx/dst.c
+++ b/drivers/media/dvb/bt8xx/dst.c
@@ -910,7 +910,7 @@ static int dst_get_device_id(struct dst_state *state)
 
 static int dst_probe(struct dst_state *state)
 {
-	sema_init(&state->dst_mutex, 1);
+	mutex_init(&state->dst_mutex);
 	if ((rdc_8820_reset(state)) < 0) {
 		dprintk(verbose, DST_ERROR, 1, "RDC 8820 RESET Failed.");
 		return -1;
@@ -962,7 +962,7 @@ int dst_command(struct dst_state *state, u8 *data, u8 len)
 {
 	u8 reply;
 
-	down(&state->dst_mutex);
+	mutex_lock(&state->dst_mutex);
 	if ((dst_comm_init(state)) < 0) {
 		dprintk(verbose, DST_NOTICE, 1, "DST Communication Initialization Failed.");
 		goto error;
@@ -1013,11 +1013,11 @@ int dst_command(struct dst_state *state, u8 *data, u8 len)
 		dprintk(verbose, DST_INFO, 1, "checksum failure");
 		goto error;
 	}
-	up(&state->dst_mutex);
+	mutex_unlock(&state->dst_mutex);
 	return 0;
 
 error:
-	up(&state->dst_mutex);
+	mutex_unlock(&state->dst_mutex);
 	return -EIO;
 
 }
@@ -1128,7 +1128,7 @@ static int dst_write_tuna(struct dvb_frontend *fe)
 			dst_set_voltage(fe, SEC_VOLTAGE_13);
 	}
 	state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
-	down(&state->dst_mutex);
+	mutex_lock(&state->dst_mutex);
 	if ((dst_comm_init(state)) < 0) {
 		dprintk(verbose, DST_DEBUG, 1, "DST Communication initialization failed.");
 		goto error;
@@ -1160,11 +1160,11 @@ static int dst_write_tuna(struct dvb_frontend *fe)
 	state->diseq_flags |= ATTEMPT_TUNE;
 	retval = dst_get_tuna(state);
 werr:
-	up(&state->dst_mutex);
+	mutex_unlock(&state->dst_mutex);
 	return retval;
 
 error:
-	up(&state->dst_mutex);
+	mutex_unlock(&state->dst_mutex);
 	return -EIO;
 }
 
diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c
index c650b4bf7f5..f6b49a801eb 100644
--- a/drivers/media/dvb/bt8xx/dst_ca.c
+++ b/drivers/media/dvb/bt8xx/dst_ca.c
@@ -81,7 +81,7 @@ static int dst_ci_command(struct dst_state* state, u8 * data, u8 *ca_string, u8
 {
 	u8 reply;
 
-	down(&state->dst_mutex);
+	mutex_lock(&state->dst_mutex);
 	dst_comm_init(state);
 	msleep(65);
 
@@ -110,11 +110,11 @@ static int dst_ci_command(struct dst_state* state, u8 * data, u8 *ca_string, u8
 			goto error;
 		}
 	}
-	up(&state->dst_mutex);
+	mutex_unlock(&state->dst_mutex);
 	return 0;
 
 error:
-	up(&state->dst_mutex);
+	mutex_unlock(&state->dst_mutex);
 	return -EIO;
 }
 
diff --git a/drivers/media/dvb/bt8xx/dst_common.h b/drivers/media/dvb/bt8xx/dst_common.h
index 81557f38fe3..51d4e043716 100644
--- a/drivers/media/dvb/bt8xx/dst_common.h
+++ b/drivers/media/dvb/bt8xx/dst_common.h
@@ -25,6 +25,7 @@
 #include <linux/smp_lock.h>
 #include <linux/dvb/frontend.h>
 #include <linux/device.h>
+#include <linux/mutex.h>
 #include "bt878.h"
 
 #include "dst_ca.h"
@@ -121,7 +122,7 @@ struct dst_state {
 	u8 vendor[8];
 	u8 board_info[8];
 
-	struct semaphore dst_mutex;
+	struct mutex dst_mutex;
 };
 
 struct dst_types {
diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
index ea27b15007e..1649846f9ce 100644
--- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c
+++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
@@ -76,13 +76,13 @@ static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
 	if (!dvbdmx->dmx.frontend)
 		return -EINVAL;
 
-	down(&card->lock);
+	mutex_lock(&card->lock);
 	card->nfeeds++;
 	rc = card->nfeeds;
 	if (card->nfeeds == 1)
 		bt878_start(card->bt, card->gpio_mode,
 			    card->op_sync_orin, card->irq_err_ignore);
-	up(&card->lock);
+	mutex_unlock(&card->lock);
 	return rc;
 }
 
@@ -96,11 +96,11 @@ static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
 	if (!dvbdmx->dmx.frontend)
 		return -EINVAL;
 
-	down(&card->lock);
+	mutex_lock(&card->lock);
 	card->nfeeds--;
 	if (card->nfeeds == 0)
 		bt878_stop(card->bt);
-	up(&card->lock);
+	mutex_unlock(&card->lock);
 
 	return 0;
 }
@@ -788,7 +788,7 @@ static int dvb_bt8xx_probe(struct bttv_sub_device *sub)
 	if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
 		return -ENOMEM;
 
-	init_MUTEX(&card->lock);
+	mutex_init(&card->lock);
 	card->bttv_nr = sub->core->nr;
 	strncpy(card->card_name, sub->core->name, sizeof(sub->core->name));
 	card->i2c_adapter = &sub->core->i2c_adap;
@@ -881,7 +881,7 @@ static int dvb_bt8xx_probe(struct bttv_sub_device *sub)
 		return -EFAULT;
 	}
 
-	init_MUTEX(&card->bt->gpio_lock);
+	mutex_init(&card->bt->gpio_lock);
 	card->bt->bttv_nr = sub->core->nr;
 
 	if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.h b/drivers/media/dvb/bt8xx/dvb-bt8xx.h
index cf035a80361..00dd9fa54c8 100644
--- a/drivers/media/dvb/bt8xx/dvb-bt8xx.h
+++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.h
@@ -26,6 +26,7 @@
 #define DVB_BT8XX_H
 
 #include <linux/i2c.h>
+#include <linux/mutex.h>
 #include "dvbdev.h"
 #include "dvb_net.h"
 #include "bttv.h"
@@ -38,7 +39,7 @@
 #include "lgdt330x.h"
 
 struct dvb_bt8xx_card {
-	struct semaphore lock;
+	struct mutex lock;
 	int nfeeds;
 	char card_name[32];
 	struct dvb_adapter dvb_adapter;
diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c
index c4b4c5b6b7c..29b7be5271d 100644
--- a/drivers/media/dvb/cinergyT2/cinergyT2.c
+++ b/drivers/media/dvb/cinergyT2/cinergyT2.c
@@ -30,6 +30,7 @@
 #include <linux/pci.h>
 #include <linux/input.h>
 #include <linux/dvb/frontend.h>
+#include <linux/mutex.h>
 
 #include "dmxdev.h"
 #include "dvb_demux.h"
@@ -116,7 +117,7 @@ static struct dvb_frontend_info cinergyt2_fe_info = {
 struct cinergyt2 {
 	struct dvb_demux demux;
 	struct usb_device *udev;
-	struct semaphore sem;
+	struct mutex sem;
 	struct dvb_adapter adapter;
 	struct dvb_device *fedev;
 	struct dmxdev dmxdev;
@@ -345,14 +346,14 @@ static int cinergyt2_start_feed(struct dvb_demux_feed *dvbdmxfeed)
 	struct dvb_demux *demux = dvbdmxfeed->demux;
 	struct cinergyt2 *cinergyt2 = demux->priv;
 
-	if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+	if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 		return -ERESTARTSYS;
 
 	if (cinergyt2->streaming == 0)
 		cinergyt2_start_stream_xfer(cinergyt2);
 
 	cinergyt2->streaming++;
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 	return 0;
 }
 
@@ -361,13 +362,13 @@ static int cinergyt2_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
 	struct dvb_demux *demux = dvbdmxfeed->demux;
 	struct cinergyt2 *cinergyt2 = demux->priv;
 
-	if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+	if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 		return -ERESTARTSYS;
 
 	if (--cinergyt2->streaming == 0)
 		cinergyt2_stop_stream_xfer(cinergyt2);
 
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 	return 0;
 }
 
@@ -483,11 +484,11 @@ static int cinergyt2_open (struct inode *inode, struct file *file)
 	struct cinergyt2 *cinergyt2 = dvbdev->priv;
 	int err = -ERESTARTSYS;
 
-	if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+	if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 		return -ERESTARTSYS;
 
 	if ((err = dvb_generic_open(inode, file))) {
-		up(&cinergyt2->sem);
+		mutex_unlock(&cinergyt2->sem);
 		return err;
 	}
 
@@ -499,7 +500,7 @@ static int cinergyt2_open (struct inode *inode, struct file *file)
 
 	atomic_inc(&cinergyt2->inuse);
 
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 	return 0;
 }
 
@@ -517,7 +518,7 @@ static int cinergyt2_release (struct inode *inode, struct file *file)
 	struct dvb_device *dvbdev = file->private_data;
 	struct cinergyt2 *cinergyt2 = dvbdev->priv;
 
-	if (down_interruptible(&cinergyt2->sem))
+	if (mutex_lock_interruptible(&cinergyt2->sem))
 		return -ERESTARTSYS;
 
 	if (!cinergyt2->disconnect_pending && (file->f_flags & O_ACCMODE) != O_RDONLY) {
@@ -526,7 +527,7 @@ static int cinergyt2_release (struct inode *inode, struct file *file)
 		cinergyt2_sleep(cinergyt2, 1);
 	}
 
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 
 	if (atomic_dec_and_test(&cinergyt2->inuse) && cinergyt2->disconnect_pending) {
 		warn("delayed unregister in release");
@@ -541,12 +542,12 @@ static unsigned int cinergyt2_poll (struct file *file, struct poll_table_struct
 	struct dvb_device *dvbdev = file->private_data;
 	struct cinergyt2 *cinergyt2 = dvbdev->priv;
 
-	if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+	if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 		return -ERESTARTSYS;
 
 	poll_wait(file, &cinergyt2->poll_wq, wait);
 
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 
 	return (POLLIN | POLLRDNORM | POLLPRI);
 }
@@ -613,7 +614,7 @@ static int cinergyt2_ioctl (struct inode *inode, struct file *file,
 		if (copy_from_user(&p, (void  __user*) arg, sizeof(p)))
 			return -EFAULT;
 
-		if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+		if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 			return -ERESTARTSYS;
 
 		param->cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS;
@@ -629,7 +630,7 @@ static int cinergyt2_ioctl (struct inode *inode, struct file *file,
 					(char *) param, sizeof(*param),
 					NULL, 0);
 
-		up(&cinergyt2->sem);
+		mutex_unlock(&cinergyt2->sem);
 
 		return (err < 0) ? err : 0;
 	}
@@ -724,7 +725,7 @@ static void cinergyt2_query_rc (void *data)
 	struct cinergyt2_rc_event rc_events[12];
 	int n, len, i;
 
-	if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+	if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 		return;
 
 	len = cinergyt2_command(cinergyt2, buf, sizeof(buf),
@@ -784,7 +785,7 @@ out:
 	schedule_delayed_work(&cinergyt2->rc_query_work,
 			      msecs_to_jiffies(RC_QUERY_INTERVAL));
 
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 }
 
 static int cinergyt2_register_rc(struct cinergyt2 *cinergyt2)
@@ -849,7 +850,7 @@ static void cinergyt2_query (void *data)
 	uint8_t lock_bits;
 	uint32_t unc;
 
-	if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+	if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 		return;
 
 	unc = s->uncorrected_block_count;
@@ -868,7 +869,7 @@ static void cinergyt2_query (void *data)
 	schedule_delayed_work(&cinergyt2->query_work,
 			      msecs_to_jiffies(QUERY_INTERVAL));
 
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 }
 
 static int cinergyt2_probe (struct usb_interface *intf,
@@ -885,7 +886,7 @@ static int cinergyt2_probe (struct usb_interface *intf,
 	memset (cinergyt2, 0, sizeof (struct cinergyt2));
 	usb_set_intfdata (intf, (void *) cinergyt2);
 
-	init_MUTEX(&cinergyt2->sem);
+	mutex_init(&cinergyt2->sem);
 	init_waitqueue_head (&cinergyt2->poll_wq);
 	INIT_WORK(&cinergyt2->query_work, cinergyt2_query, cinergyt2);
 
@@ -967,7 +968,7 @@ static int cinergyt2_suspend (struct usb_interface *intf, pm_message_t state)
 {
 	struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
 
-	if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+	if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 		return -ERESTARTSYS;
 
 	if (state.event > PM_EVENT_ON) {
@@ -981,7 +982,7 @@ static int cinergyt2_suspend (struct usb_interface *intf, pm_message_t state)
 		cinergyt2_sleep(cinergyt2, 1);
 	}
 
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 	return 0;
 }
 
@@ -990,7 +991,7 @@ static int cinergyt2_resume (struct usb_interface *intf)
 	struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
 	struct dvbt_set_parameters_msg *param = &cinergyt2->param;
 
-	if (cinergyt2->disconnect_pending || down_interruptible(&cinergyt2->sem))
+	if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
 		return -ERESTARTSYS;
 
 	if (!cinergyt2->sleeping) {
@@ -1003,7 +1004,7 @@ static int cinergyt2_resume (struct usb_interface *intf)
 
 	cinergyt2_resume_rc(cinergyt2);
 
-	up(&cinergyt2->sem);
+	mutex_unlock(&cinergyt2->sem);
 	return 0;
 }
 
diff --git a/drivers/media/dvb/dvb-core/dmxdev.c b/drivers/media/dvb/dvb-core/dmxdev.c
index 7b8373ad121..ead5343d770 100644
--- a/drivers/media/dvb/dvb-core/dmxdev.c
+++ b/drivers/media/dvb/dvb-core/dmxdev.c
@@ -175,12 +175,12 @@ static int dvb_dvr_open(struct inode *inode, struct file *file)
 
 	dprintk ("function : %s\n", __FUNCTION__);
 
-	if (down_interruptible (&dmxdev->mutex))
+	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
 
 	if ((file->f_flags&O_ACCMODE)==O_RDWR) {
 		if (!(dmxdev->capabilities&DMXDEV_CAP_DUPLEX)) {
-			up(&dmxdev->mutex);
+			mutex_unlock(&dmxdev->mutex);
 			return -EOPNOTSUPP;
 		}
 	}
@@ -190,7 +190,7 @@ static int dvb_dvr_open(struct inode *inode, struct file *file)
 	      dmxdev->dvr_buffer.size=DVR_BUFFER_SIZE;
 	      dmxdev->dvr_buffer.data=vmalloc(DVR_BUFFER_SIZE);
 	      if (!dmxdev->dvr_buffer.data) {
-		      up(&dmxdev->mutex);
+		      mutex_unlock(&dmxdev->mutex);
 		      return -ENOMEM;
 	      }
 	}
@@ -199,20 +199,20 @@ static int dvb_dvr_open(struct inode *inode, struct file *file)
 		dmxdev->dvr_orig_fe=dmxdev->demux->frontend;
 
 		if (!dmxdev->demux->write) {
-			up(&dmxdev->mutex);
+			mutex_unlock(&dmxdev->mutex);
 			return -EOPNOTSUPP;
 		}
 
 		front=get_fe(dmxdev->demux, DMX_MEMORY_FE);
 
 		if (!front) {
-			up(&dmxdev->mutex);
+			mutex_unlock(&dmxdev->mutex);
 			return -EINVAL;
 		}
 		dmxdev->demux->disconnect_frontend(dmxdev->demux);
 		dmxdev->demux->connect_frontend(dmxdev->demux, front);
 	}
-	up(&dmxdev->mutex);
+	mutex_unlock(&dmxdev->mutex);
 	return 0;
 }
 
@@ -221,7 +221,7 @@ static int dvb_dvr_release(struct inode *inode, struct file *file)
 	struct dvb_device *dvbdev = file->private_data;
 	struct dmxdev *dmxdev = dvbdev->priv;
 
-	if (down_interruptible (&dmxdev->mutex))
+	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
 
 	if ((file->f_flags&O_ACCMODE)==O_WRONLY) {
@@ -239,7 +239,7 @@ static int dvb_dvr_release(struct inode *inode, struct file *file)
 			vfree(mem);
 		}
 	}
-	up(&dmxdev->mutex);
+	mutex_unlock(&dmxdev->mutex);
 	return 0;
 }
 
@@ -254,10 +254,10 @@ static ssize_t dvb_dvr_write(struct file *file, const char __user *buf,
 		return -EOPNOTSUPP;
 	if ((file->f_flags&O_ACCMODE)!=O_WRONLY)
 		return -EINVAL;
-	if (down_interruptible (&dmxdev->mutex))
+	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
 	ret=dmxdev->demux->write(dmxdev->demux, buf, count);
-	up(&dmxdev->mutex);
+	mutex_unlock(&dmxdev->mutex);
 	return ret;
 }
 
@@ -268,11 +268,11 @@ static ssize_t dvb_dvr_read(struct file *file, char __user *buf, size_t count,
 	struct dmxdev *dmxdev = dvbdev->priv;
 	int ret;
 
-	//down(&dmxdev->mutex);
+	//mutex_lock(&dmxdev->mutex);
 	ret= dvb_dmxdev_buffer_read(&dmxdev->dvr_buffer,
 			      file->f_flags&O_NONBLOCK,
 			      buf, count, ppos);
-	//up(&dmxdev->mutex);
+	//mutex_unlock(&dmxdev->mutex);
 	return ret;
 }
 
@@ -688,7 +688,7 @@ static int dvb_demux_open(struct inode *inode, struct file *file)
 	if (!dmxdev->filter)
 		return -EINVAL;
 
-	if (down_interruptible(&dmxdev->mutex))
+	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
 
 	for (i=0; i<dmxdev->filternum; i++)
@@ -696,12 +696,12 @@ static int dvb_demux_open(struct inode *inode, struct file *file)
 			break;
 
 	if (i==dmxdev->filternum) {
-		up(&dmxdev->mutex);
+		mutex_unlock(&dmxdev->mutex);
 		return -EMFILE;
 	}
 
 	dmxdevfilter=&dmxdev->filter[i];
-	sema_init(&dmxdevfilter->mutex, 1);
+	mutex_init(&dmxdevfilter->mutex);
 	dmxdevfilter->dvbdev=dmxdev->dvbdev;
 	file->private_data=dmxdevfilter;
 
@@ -711,18 +711,18 @@ static int dvb_demux_open(struct inode *inode, struct file *file)
 	dmxdevfilter->feed.ts=NULL;
 	init_timer(&dmxdevfilter->timer);
 
-	up(&dmxdev->mutex);
+	mutex_unlock(&dmxdev->mutex);
 	return 0;
 }
 
 
 static int dvb_dmxdev_filter_free(struct dmxdev *dmxdev, struct dmxdev_filter *dmxdevfilter)
 {
-	if (down_interruptible(&dmxdev->mutex))
+	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
 
-	if (down_interruptible(&dmxdevfilter->mutex)) {
-		up(&dmxdev->mutex);
+	if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+		mutex_unlock(&dmxdev->mutex);
 		return -ERESTARTSYS;
 	}
 
@@ -740,8 +740,8 @@ static int dvb_dmxdev_filter_free(struct dmxdev *dmxdev, struct dmxdev_filter *d
 
 	dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_FREE);
 	wake_up(&dmxdevfilter->buffer.queue);
-	up(&dmxdevfilter->mutex);
-	up(&dmxdev->mutex);
+	mutex_unlock(&dmxdevfilter->mutex);
+	mutex_unlock(&dmxdev->mutex);
 	return 0;
 }
 
@@ -841,7 +841,7 @@ dvb_demux_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 	struct dmxdev_filter *dmxdevfilter= file->private_data;
 	int ret=0;
 
-	if (down_interruptible(&dmxdevfilter->mutex))
+	if (mutex_lock_interruptible(&dmxdevfilter->mutex))
 		return -ERESTARTSYS;
 
 	if (dmxdevfilter->type==DMXDEV_TYPE_SEC)
@@ -851,7 +851,7 @@ dvb_demux_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 				     file->f_flags&O_NONBLOCK,
 				     buf, count, ppos);
 
-	up(&dmxdevfilter->mutex);
+	mutex_unlock(&dmxdevfilter->mutex);
 	return ret;
 }
 
@@ -864,58 +864,58 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file,
 	unsigned long arg=(unsigned long) parg;
 	int ret=0;
 
-	if (down_interruptible (&dmxdev->mutex))
+	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
 
 	switch (cmd) {
 	case DMX_START:
-		if (down_interruptible(&dmxdevfilter->mutex)) {
-			up(&dmxdev->mutex);
+		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+			mutex_unlock(&dmxdev->mutex);
 			return -ERESTARTSYS;
 		}
 		if (dmxdevfilter->state<DMXDEV_STATE_SET)
 			ret = -EINVAL;
 		else
 			ret = dvb_dmxdev_filter_start(dmxdevfilter);
-		up(&dmxdevfilter->mutex);
+		mutex_unlock(&dmxdevfilter->mutex);
 		break;
 
 	case DMX_STOP:
-		if (down_interruptible(&dmxdevfilter->mutex)) {
-			up(&dmxdev->mutex);
+		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+			mutex_unlock(&dmxdev->mutex);
 			return -ERESTARTSYS;
 		}
 		ret=dvb_dmxdev_filter_stop(dmxdevfilter);
-		up(&dmxdevfilter->mutex);
+		mutex_unlock(&dmxdevfilter->mutex);
 		break;
 
 	case DMX_SET_FILTER:
-		if (down_interruptible(&dmxdevfilter->mutex)) {
-			up(&dmxdev->mutex);
+		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+			mutex_unlock(&dmxdev->mutex);
 			return -ERESTARTSYS;
 		}
 		ret = dvb_dmxdev_filter_set(dmxdev, dmxdevfilter,
 				    (struct dmx_sct_filter_params *)parg);
-		up(&dmxdevfilter->mutex);
+		mutex_unlock(&dmxdevfilter->mutex);
 		break;
 
 	case DMX_SET_PES_FILTER:
-		if (down_interruptible(&dmxdevfilter->mutex)) {
-			up(&dmxdev->mutex);
+		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+			mutex_unlock(&dmxdev->mutex);
 			return -ERESTARTSYS;
 		}
 		ret=dvb_dmxdev_pes_filter_set(dmxdev, dmxdevfilter,
 					       (struct dmx_pes_filter_params *)parg);
-		up(&dmxdevfilter->mutex);
+		mutex_unlock(&dmxdevfilter->mutex);
 		break;
 
 	case DMX_SET_BUFFER_SIZE:
-		if (down_interruptible(&dmxdevfilter->mutex)) {
-			up(&dmxdev->mutex);
+		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {
+			mutex_unlock(&dmxdev->mutex);
 			return -ERESTARTSYS;
 		}
 		ret=dvb_dmxdev_set_buffer_size(dmxdevfilter, arg);
-		up(&dmxdevfilter->mutex);
+		mutex_unlock(&dmxdevfilter->mutex);
 		break;
 
 	case DMX_GET_EVENT:
@@ -959,7 +959,7 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file,
 	default:
 		ret=-EINVAL;
 	}
-	up(&dmxdev->mutex);
+	mutex_unlock(&dmxdev->mutex);
 	return ret;
 }
 
@@ -1030,7 +1030,7 @@ static int dvb_dvr_do_ioctl(struct inode *inode, struct file *file,
 
 	int ret=0;
 
-	if (down_interruptible (&dmxdev->mutex))
+	if (mutex_lock_interruptible(&dmxdev->mutex))
 		return -ERESTARTSYS;
 
 	switch (cmd) {
@@ -1042,7 +1042,7 @@ static int dvb_dvr_do_ioctl(struct inode *inode, struct file *file,
 	default:
 		ret=-EINVAL;
 	}
-	up(&dmxdev->mutex);
+	mutex_unlock(&dmxdev->mutex);
 	return ret;
 }
 
@@ -1113,7 +1113,7 @@ dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *dvb_adapter)
 		return -ENOMEM;
 	}
 
-	sema_init(&dmxdev->mutex, 1);
+	mutex_init(&dmxdev->mutex);
 	spin_lock_init(&dmxdev->lock);
 	for (i=0; i<dmxdev->filternum; i++) {
 		dmxdev->filter[i].dev=dmxdev;
diff --git a/drivers/media/dvb/dvb-core/dmxdev.h b/drivers/media/dvb/dvb-core/dmxdev.h
index fd72920c219..ec2a7a4da5e 100644
--- a/drivers/media/dvb/dvb-core/dmxdev.h
+++ b/drivers/media/dvb/dvb-core/dmxdev.h
@@ -30,7 +30,7 @@
 #include <linux/wait.h>
 #include <linux/fs.h>
 #include <linux/string.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 #include <linux/dvb/dmx.h>
 
@@ -83,7 +83,7 @@ struct dmxdev_filter {
 	struct dmxdev *dev;
 	struct dmxdev_buffer buffer;
 
-	struct semaphore mutex;
+	struct mutex mutex;
 
 	/* only for sections */
 	struct timer_list timer;
@@ -117,7 +117,7 @@ struct dmxdev {
 	struct dmxdev_buffer dvr_buffer;
 #define DVR_BUFFER_SIZE (10*188*1024)
 
-	struct semaphore mutex;
+	struct mutex mutex;
 	spinlock_t lock;
 };
 
diff --git a/drivers/media/dvb/dvb-core/dvb_demux.c b/drivers/media/dvb/dvb-core/dvb_demux.c
index b4c899b1595..83ec5e06c48 100644
--- a/drivers/media/dvb/dvb-core/dvb_demux.c
+++ b/drivers/media/dvb/dvb-core/dvb_demux.c
@@ -589,18 +589,18 @@ static int dmx_ts_feed_set(struct dmx_ts_feed *ts_feed, u16 pid, int ts_type,
 	if (pid > DMX_MAX_PID)
 		return -EINVAL;
 
-	if (down_interruptible(&demux->mutex))
+	if (mutex_lock_interruptible(&demux->mutex))
 		return -ERESTARTSYS;
 
 	if (ts_type & TS_DECODER) {
 		if (pes_type >= DMX_TS_PES_OTHER) {
-			up(&demux->mutex);
+			mutex_unlock(&demux->mutex);
 			return -EINVAL;
 		}
 
 		if (demux->pesfilter[pes_type] &&
 		    demux->pesfilter[pes_type] != feed) {
-			up(&demux->mutex);
+			mutex_unlock(&demux->mutex);
 			return -EINVAL;
 		}
 
@@ -622,14 +622,14 @@ static int dmx_ts_feed_set(struct dmx_ts_feed *ts_feed, u16 pid, int ts_type,
 #else
 		feed->buffer = vmalloc(feed->buffer_size);
 		if (!feed->buffer) {
-			up(&demux->mutex);
+			mutex_unlock(&demux->mutex);
 			return -ENOMEM;
 		}
 #endif
 	}
 
 	feed->state = DMX_STATE_READY;
-	up(&demux->mutex);
+	mutex_unlock(&demux->mutex);
 
 	return 0;
 }
@@ -640,21 +640,21 @@ static int dmx_ts_feed_start_filtering(struct dmx_ts_feed *ts_feed)
 	struct dvb_demux *demux = feed->demux;
 	int ret;
 
-	if (down_interruptible(&demux->mutex))
+	if (mutex_lock_interruptible(&demux->mutex))
 		return -ERESTARTSYS;
 
 	if (feed->state != DMX_STATE_READY || feed->type != DMX_TYPE_TS) {
-		up(&demux->mutex);
+		mutex_unlock(&demux->mutex);
 		return -EINVAL;
 	}
 
 	if (!demux->start_feed) {
-		up(&demux->mutex);
+		mutex_unlock(&demux->mutex);
 		return -ENODEV;
 	}
 
 	if ((ret = demux->start_feed(feed)) < 0) {
-		up(&demux->mutex);
+		mutex_unlock(&demux->mutex);
 		return ret;
 	}
 
@@ -662,7 +662,7 @@ static int dmx_ts_feed_start_filtering(struct dmx_ts_feed *ts_feed)
 	ts_feed->is_filtering = 1;
 	feed->state = DMX_STATE_GO;
 	spin_unlock_irq(&demux->lock);
-	up(&demux->mutex);
+	mutex_unlock(&demux->mutex);
 
 	return 0;
 }
@@ -673,16 +673,16 @@ static int dmx_ts_feed_stop_filtering(struct dmx_ts_feed *ts_feed)
 	struct dvb_demux *demux = feed->demux;
 	int ret;
 
-	if (down_interruptible(&demux->mutex))
+	if (mutex_lock_interruptible(&demux->mutex))
 		return -ERESTARTSYS;
 
 	if (feed->state < DMX_STATE_GO) {
-		up(&demux->mutex);
+		mutex_unlock(&demux->mutex);
 		return -EINVAL;
 	}
 
 	if (!demux->stop_feed) {
-		up(&demux->mutex);
+		mutex_unlock(&demux->mutex);
 		return -ENODEV;
 	}
 
@@ -692,7 +692,7 @@ static int dmx_ts_feed_stop_filtering(struct dmx_ts_feed *ts_feed)
 	ts_feed->is_filtering = 0;
 	feed->state = DMX_STATE_ALLOCATED;
 	spin_unlock_irq(&demux->lock);
-	up(&demux->mutex);
+	mutex_unlock(&demux->mutex);
 
 	return ret;
 }
@@ -704,11 +704,11 @@ static int dvbdmx_allocate_ts_feed(struct dmx_demux *dmx,
 	struct dvb_demux *demux = (struct dvb_demux *)dmx;
 	struct dvb_demux_feed *feed;
 
-	if (down_interruptible(&demux->mutex))
+	if (mutex_lock_interruptible(&demux->mutex))
 		return -ERESTARTSYS;
 
 	if (!(feed = dvb_dmx_feed_alloc(demux))) {
-		up(&demux->mutex);
+		mutex_unlock(&demux->mutex);
 		return -EBUSY;
 	}
 
@@ -729,7 +729,7 @@ static int dvbdmx_allocate_ts_feed(struct dmx_demux *dmx,
 
 	if (!(feed->filter = dvb_dmx_filter_alloc(demux))) {
 		feed->state = DMX_STATE_FREE;
-		up(&demux->mutex);
+		mutex_unlock(&demux->mutex);
 		return -EBUSY;
 	}
 
@@ -737,7 +737,7 @@ static int dvbdmx_allocate_ts_feed(struct dmx_demux *dmx,
 	feed->filter->feed = feed;
 	feed->filter->state = DMX_STATE_READY;
 
-	up(&demux->mutex);
+	mutex_unlock(&demux->mutex);
 
 	return 0;
 }
@@ -748,11 +748,11 @@ static int dvbdmx_release_ts_feed(struct dmx_demux *dmx,
 	struct dvb_demux *demux = (struct dvb_demux *)dmx;
 	struct dvb_demux_feed *feed = (struct dvb_demux_feed *)ts_feed;
 
-	if (down_interruptible(&demux->mutex))
+	if (mutex_lock_interruptible(&demux->mutex))
 		return -ERESTARTSYS;
 
 	if (feed->state == DMX_STATE_FREE) {
-		up(&demux->mutex);
+		mutex_unlock(&demux->mutex);
 		return -EINVAL;
 	}
 #ifndef NOBUFS
@@ -770,7 +770,7 @@ static int dvbdmx_release_ts_feed(struct dmx_demux *dmx,
 	if (feed->ts_type & TS_DECODER && feed->pes_type < DMX_TS_PES_OTHER)
 		demux->pesfilter[feed->pes_type] = NULL;
 
-	up(&demux->mutex);
+	mutex_unlock(&demux->mutex);
 	return 0;
 }
 
@@ -785,12 +785,12 @@ static int dmx_section_feed_allocate_filter(struct dmx_section_feed *feed,
 	struct dvb_demux *dvbdemux = dvbdmxfeed->demux;
 	struct dvb_demux_filter *dvbdmxfilter;
 
-	if (down_interruptible(&dvbdemux->mutex))
+	if (mutex_lock_interruptible(&dvbdemux->mutex))
 		return -ERESTARTSYS;
 
 	dvbdmxfilter = dvb_dmx_filter_alloc(dvbdemux);
 	if (!dvbdmxfilter) {
-		up(&dvbdemux->mutex);
+		mutex_unlock(&dvbdemux->mutex);
 		return -EBUSY;
 	}
 
@@ -805,7 +805,7 @@ static int dmx_section_feed_allocate_filter(struct dmx_section_feed *feed,
 	dvbdmxfeed->filter = dvbdmxfilter;
 	spin_unlock_irq(&dvbdemux->lock);
 
-	up(&dvbdemux->mutex);
+	mutex_unlock(&dvbdemux->mutex);
 	return 0;
 }
 
@@ -819,7 +819,7 @@ static int dmx_section_feed_set(struct dmx_section_feed *feed,
 	if (pid > 0x1fff)
 		return -EINVAL;
 
-	if (down_interruptible(&dvbdmx->mutex))
+	if (mutex_lock_interruptible(&dvbdmx->mutex))
 		return -ERESTARTSYS;
 
 	dvb_demux_feed_add(dvbdmxfeed);
@@ -833,13 +833,13 @@ static int dmx_section_feed_set(struct dmx_section_feed *feed,
 #else
 	dvbdmxfeed->buffer = vmalloc(dvbdmxfeed->buffer_size);
 	if (!dvbdmxfeed->buffer) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return -ENOMEM;
 	}
 #endif
 
 	dvbdmxfeed->state = DMX_STATE_READY;
-	up(&dvbdmx->mutex);
+	mutex_unlock(&dvbdmx->mutex);
 	return 0;
 }
 
@@ -871,16 +871,16 @@ static int dmx_section_feed_start_filtering(struct dmx_section_feed *feed)
 	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 	int ret;
 
-	if (down_interruptible(&dvbdmx->mutex))
+	if (mutex_lock_interruptible(&dvbdmx->mutex))
 		return -ERESTARTSYS;
 
 	if (feed->is_filtering) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return -EBUSY;
 	}
 
 	if (!dvbdmxfeed->filter) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return -EINVAL;
 	}
 
@@ -890,14 +890,14 @@ static int dmx_section_feed_start_filtering(struct dmx_section_feed *feed)
 	dvbdmxfeed->feed.sec.seclen = 0;
 
 	if (!dvbdmx->start_feed) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return -ENODEV;
 	}
 
 	prepare_secfilters(dvbdmxfeed);
 
 	if ((ret = dvbdmx->start_feed(dvbdmxfeed)) < 0) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return ret;
 	}
 
@@ -906,7 +906,7 @@ static int dmx_section_feed_start_filtering(struct dmx_section_feed *feed)
 	dvbdmxfeed->state = DMX_STATE_GO;
 	spin_unlock_irq(&dvbdmx->lock);
 
-	up(&dvbdmx->mutex);
+	mutex_unlock(&dvbdmx->mutex);
 	return 0;
 }
 
@@ -916,11 +916,11 @@ static int dmx_section_feed_stop_filtering(struct dmx_section_feed *feed)
 	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 	int ret;
 
-	if (down_interruptible(&dvbdmx->mutex))
+	if (mutex_lock_interruptible(&dvbdmx->mutex))
 		return -ERESTARTSYS;
 
 	if (!dvbdmx->stop_feed) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return -ENODEV;
 	}
 
@@ -931,7 +931,7 @@ static int dmx_section_feed_stop_filtering(struct dmx_section_feed *feed)
 	feed->is_filtering = 0;
 	spin_unlock_irq(&dvbdmx->lock);
 
-	up(&dvbdmx->mutex);
+	mutex_unlock(&dvbdmx->mutex);
 	return ret;
 }
 
@@ -942,11 +942,11 @@ static int dmx_section_feed_release_filter(struct dmx_section_feed *feed,
 	struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *)feed;
 	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 
-	if (down_interruptible(&dvbdmx->mutex))
+	if (mutex_lock_interruptible(&dvbdmx->mutex))
 		return -ERESTARTSYS;
 
 	if (dvbdmxfilter->feed != dvbdmxfeed) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return -EINVAL;
 	}
 
@@ -966,7 +966,7 @@ static int dmx_section_feed_release_filter(struct dmx_section_feed *feed,
 
 	dvbdmxfilter->state = DMX_STATE_FREE;
 	spin_unlock_irq(&dvbdmx->lock);
-	up(&dvbdmx->mutex);
+	mutex_unlock(&dvbdmx->mutex);
 	return 0;
 }
 
@@ -977,11 +977,11 @@ static int dvbdmx_allocate_section_feed(struct dmx_demux *demux,
 	struct dvb_demux *dvbdmx = (struct dvb_demux *)demux;
 	struct dvb_demux_feed *dvbdmxfeed;
 
-	if (down_interruptible(&dvbdmx->mutex))
+	if (mutex_lock_interruptible(&dvbdmx->mutex))
 		return -ERESTARTSYS;
 
 	if (!(dvbdmxfeed = dvb_dmx_feed_alloc(dvbdmx))) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return -EBUSY;
 	}
 
@@ -1006,7 +1006,7 @@ static int dvbdmx_allocate_section_feed(struct dmx_demux *demux,
 	(*feed)->stop_filtering = dmx_section_feed_stop_filtering;
 	(*feed)->release_filter = dmx_section_feed_release_filter;
 
-	up(&dvbdmx->mutex);
+	mutex_unlock(&dvbdmx->mutex);
 	return 0;
 }
 
@@ -1016,11 +1016,11 @@ static int dvbdmx_release_section_feed(struct dmx_demux *demux,
 	struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *)feed;
 	struct dvb_demux *dvbdmx = (struct dvb_demux *)demux;
 
-	if (down_interruptible(&dvbdmx->mutex))
+	if (mutex_lock_interruptible(&dvbdmx->mutex))
 		return -ERESTARTSYS;
 
 	if (dvbdmxfeed->state == DMX_STATE_FREE) {
-		up(&dvbdmx->mutex);
+		mutex_unlock(&dvbdmx->mutex);
 		return -EINVAL;
 	}
 #ifndef NOBUFS
@@ -1033,7 +1033,7 @@ static int dvbdmx_release_section_feed(struct dmx_demux *demux,
 
 	dvbdmxfeed->pid = 0xffff;
 
-	up(&dvbdmx->mutex);
+	mutex_unlock(&dvbdmx->mutex);
 	return 0;
 }
 
@@ -1071,10 +1071,10 @@ static int dvbdmx_write(struct dmx_demux *demux, const char *buf, size_t count)
 	if ((!demux->frontend) || (demux->frontend->source != DMX_MEMORY_FE))
 		return -EINVAL;
 
-	if (down_interruptible(&dvbdemux->mutex))
+	if (mutex_lock_interruptible(&dvbdemux->mutex))
 		return -ERESTARTSYS;
 	dvb_dmx_swfilter(dvbdemux, buf, count);
-	up(&dvbdemux->mutex);
+	mutex_unlock(&dvbdemux->mutex);
 
 	if (signal_pending(current))
 		return -EINTR;
@@ -1126,11 +1126,11 @@ static int dvbdmx_connect_frontend(struct dmx_demux *demux,
 	if (demux->frontend)
 		return -EINVAL;
 
-	if (down_interruptible(&dvbdemux->mutex))
+	if (mutex_lock_interruptible(&dvbdemux->mutex))
 		return -ERESTARTSYS;
 
 	demux->frontend = frontend;
-	up(&dvbdemux->mutex);
+	mutex_unlock(&dvbdemux->mutex);
 	return 0;
 }
 
@@ -1138,11 +1138,11 @@ static int dvbdmx_disconnect_frontend(struct dmx_demux *demux)
 {
 	struct dvb_demux *dvbdemux = (struct dvb_demux *)demux;
 
-	if (down_interruptible(&dvbdemux->mutex))
+	if (mutex_lock_interruptible(&dvbdemux->mutex))
 		return -ERESTARTSYS;
 
 	demux->frontend = NULL;
-	up(&dvbdemux->mutex);
+	mutex_unlock(&dvbdemux->mutex);
 	return 0;
 }
 
@@ -1215,7 +1215,7 @@ int dvb_dmx_init(struct dvb_demux *dvbdemux)
 	dmx->disconnect_frontend = dvbdmx_disconnect_frontend;
 	dmx->get_pes_pids = dvbdmx_get_pes_pids;
 
-	sema_init(&dvbdemux->mutex, 1);
+	mutex_init(&dvbdemux->mutex);
 	spin_lock_init(&dvbdemux->lock);
 
 	return 0;
diff --git a/drivers/media/dvb/dvb-core/dvb_demux.h b/drivers/media/dvb/dvb-core/dvb_demux.h
index 0cc888339d5..2c5f915329c 100644
--- a/drivers/media/dvb/dvb-core/dvb_demux.h
+++ b/drivers/media/dvb/dvb-core/dvb_demux.h
@@ -26,7 +26,7 @@
 #include <linux/time.h>
 #include <linux/timer.h>
 #include <linux/spinlock.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 #include "demux.h"
 
@@ -125,7 +125,7 @@ struct dvb_demux {
 	u8 tsbuf[204];
 	int tsbufp;
 
-	struct semaphore mutex;
+	struct mutex mutex;
 	spinlock_t lock;
 };
 
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 771f32d889e..22e96cf8497 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -37,7 +37,6 @@
 #include <linux/suspend.h>
 #include <linux/jiffies.h>
 #include <asm/processor.h>
-#include <asm/semaphore.h>
 
 #include "dvb_frontend.h"
 #include "dvbdev.h"
@@ -88,7 +87,7 @@ MODULE_PARM_DESC(dvb_powerdown_on_sleep, "0: do not power down, 1: turn LNB vola
  * FESTATE_LOSTLOCK. When the lock has been lost, and we're searching it again.
  */
 
-static DECLARE_MUTEX(frontend_mutex);
+static DEFINE_MUTEX(frontend_mutex);
 
 struct dvb_frontend_private {
 
@@ -1021,12 +1020,12 @@ int dvb_register_frontend(struct dvb_adapter* dvb,
 
 	dprintk ("%s\n", __FUNCTION__);
 
-	if (down_interruptible (&frontend_mutex))
+	if (mutex_lock_interruptible(&frontend_mutex))
 		return -ERESTARTSYS;
 
 	fe->frontend_priv = kzalloc(sizeof(struct dvb_frontend_private), GFP_KERNEL);
 	if (fe->frontend_priv == NULL) {
-		up(&frontend_mutex);
+		mutex_unlock(&frontend_mutex);
 		return -ENOMEM;
 	}
 	fepriv = fe->frontend_priv;
@@ -1045,7 +1044,7 @@ int dvb_register_frontend(struct dvb_adapter* dvb,
 	dvb_register_device (fe->dvb, &fepriv->dvbdev, &dvbdev_template,
 			     fe, DVB_DEVICE_FRONTEND);
 
-	up (&frontend_mutex);
+	mutex_unlock(&frontend_mutex);
 	return 0;
 }
 EXPORT_SYMBOL(dvb_register_frontend);
@@ -1055,7 +1054,7 @@ int dvb_unregister_frontend(struct dvb_frontend* fe)
 	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 	dprintk ("%s\n", __FUNCTION__);
 
-	down (&frontend_mutex);
+	mutex_lock(&frontend_mutex);
 	dvb_unregister_device (fepriv->dvbdev);
 	dvb_frontend_stop (fe);
 	if (fe->ops->release)
@@ -1064,7 +1063,7 @@ int dvb_unregister_frontend(struct dvb_frontend* fe)
 		printk("dvb_frontend: Demodulator (%s) does not have a release callback!\n", fe->ops->info.name);
 	/* fe is invalid now */
 	kfree(fepriv);
-	up (&frontend_mutex);
+	mutex_unlock(&frontend_mutex);
 	return 0;
 }
 EXPORT_SYMBOL(dvb_unregister_frontend);
diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c
index 6711eb6a058..2f0f35811bf 100644
--- a/drivers/media/dvb/dvb-core/dvb_net.c
+++ b/drivers/media/dvb/dvb-core/dvb_net.c
@@ -62,6 +62,7 @@
 #include <linux/uio.h>
 #include <asm/uaccess.h>
 #include <linux/crc32.h>
+#include <linux/mutex.h>
 
 #include "dvb_demux.h"
 #include "dvb_net.h"
@@ -151,8 +152,7 @@ struct dvb_net_priv {
 	unsigned char ule_bridged;		/* Whether the ULE_BRIDGED extension header was found. */
 	int ule_sndu_remain;			/* Nr. of bytes still required for current ULE SNDU. */
 	unsigned long ts_count;			/* Current ts cell counter. */
-
-	struct semaphore mutex;
+	struct mutex mutex;
 };
 
 
@@ -889,7 +889,7 @@ static int dvb_net_feed_start(struct net_device *dev)
 	unsigned char *mac = (unsigned char *) dev->dev_addr;
 
 	dprintk("%s: rx_mode %i\n", __FUNCTION__, priv->rx_mode);
-	down(&priv->mutex);
+	mutex_lock(&priv->mutex);
 	if (priv->tsfeed || priv->secfeed || priv->secfilter || priv->multi_secfilter[0])
 		printk("%s: BUG %d\n", __FUNCTION__, __LINE__);
 
@@ -974,7 +974,7 @@ static int dvb_net_feed_start(struct net_device *dev)
 		ret = -EINVAL;
 
 error:
-	up(&priv->mutex);
+	mutex_unlock(&priv->mutex);
 	return ret;
 }
 
@@ -984,7 +984,7 @@ static int dvb_net_feed_stop(struct net_device *dev)
 	int i, ret = 0;
 
 	dprintk("%s\n", __FUNCTION__);
-	down(&priv->mutex);
+	mutex_lock(&priv->mutex);
 	if (priv->feedtype == DVB_NET_FEEDTYPE_MPE) {
 		if (priv->secfeed) {
 			if (priv->secfeed->is_filtering) {
@@ -1026,7 +1026,7 @@ static int dvb_net_feed_stop(struct net_device *dev)
 			printk("%s: no ts feed to stop\n", dev->name);
 	} else
 		ret = -EINVAL;
-	up(&priv->mutex);
+	mutex_unlock(&priv->mutex);
 	return ret;
 }
 
@@ -1208,7 +1208,7 @@ static int dvb_net_add_if(struct dvb_net *dvbnet, u16 pid, u8 feedtype)
 
 	INIT_WORK(&priv->set_multicast_list_wq, wq_set_multicast_list, net);
 	INIT_WORK(&priv->restart_net_feed_wq, wq_restart_net_feed, net);
-	init_MUTEX(&priv->mutex);
+	mutex_init(&priv->mutex);
 
 	net->base_addr = pid;
 
diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c
index f327fac1688..e62a293c7e5 100644
--- a/drivers/media/dvb/dvb-usb/cxusb.c
+++ b/drivers/media/dvb/dvb-usb/cxusb.c
@@ -77,7 +77,7 @@ static int cxusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
 	int i;
 
-	if (down_interruptible(&d->i2c_sem) < 0)
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 		return -EAGAIN;
 
 	if (num > 2)
@@ -126,7 +126,7 @@ static int cxusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
 		}
 	}
 
-	up(&d->i2c_sem);
+	mutex_unlock(&d->i2c_mutex);
 	return i;
 }
 
diff --git a/drivers/media/dvb/dvb-usb/dibusb-common.c b/drivers/media/dvb/dvb-usb/dibusb-common.c
index 269d899da48..2d52b76671d 100644
--- a/drivers/media/dvb/dvb-usb/dibusb-common.c
+++ b/drivers/media/dvb/dvb-usb/dibusb-common.c
@@ -128,7 +128,7 @@ static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
 	int i;
 
-	if (down_interruptible(&d->i2c_sem) < 0)
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 		return -EAGAIN;
 
 	if (num > 2)
@@ -146,7 +146,7 @@ static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
 				break;
 	}
 
-	up(&d->i2c_sem);
+	mutex_unlock(&d->i2c_mutex);
 	return i;
 }
 
diff --git a/drivers/media/dvb/dvb-usb/digitv.c b/drivers/media/dvb/dvb-usb/digitv.c
index caa1346e306..91136c00ce9 100644
--- a/drivers/media/dvb/dvb-usb/digitv.c
+++ b/drivers/media/dvb/dvb-usb/digitv.c
@@ -48,7 +48,7 @@ static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
 	int i;
 
-	if (down_interruptible(&d->i2c_sem) < 0)
+	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 		return -EAGAIN;
 
 	if (num > 2)
@@ -67,7 +67,7 @@ static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
 				break;
 	}
 
-	up(&d->i2c_sem);
+	mutex_unlock(&d->i2c_mutex);
 	return i;
 }
 
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-init.c b/drivers/media/dvb/dvb-usb/dvb-usb-init.c
index 716f8bf528c..4258a995dce 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-init.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-init.c
@@ -42,8 +42,8 @@ static int dvb_usb_init(struct dvb_usb_device *d)
 {
 	int ret = 0;
 
-	sema_init(&d->usb_sem, 1);
-	sema_init(&d->i2c_sem, 1);
+	mutex_init(&d->usb_mutex);
+	mutex_init(&d->i2c_mutex);
 
 	d->state = DVB_USB_STATE_INIT;
 
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-urb.c b/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
index ee821974dc6..9002f35aa95 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
@@ -21,7 +21,7 @@ int dvb_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
 	if (wbuf == NULL || wlen == 0)
 		return -EINVAL;
 
-	if ((ret = down_interruptible(&d->usb_sem)))
+	if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
 		return ret;
 
 	deb_xfer(">>> ");
@@ -53,7 +53,7 @@ int dvb_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
 		}
 	}
 
-	up(&d->usb_sem);
+	mutex_unlock(&d->usb_mutex);
 	return ret;
 }
 EXPORT_SYMBOL(dvb_usb_generic_rw);
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb.h b/drivers/media/dvb/dvb-usb/dvb-usb.h
index 5e5d21ad93c..d2be37cc43b 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb.h
+++ b/drivers/media/dvb/dvb-usb/dvb-usb.h
@@ -12,6 +12,7 @@
 #include <linux/input.h>
 #include <linux/usb.h>
 #include <linux/firmware.h>
+#include <linux/mutex.h>
 
 #include "dvb_frontend.h"
 #include "dvb_demux.h"
@@ -227,8 +228,8 @@ struct dvb_usb_properties {
  * @feedcount: number of reqested feeds (used for streaming-activation)
  * @pid_filtering: is hardware pid_filtering used or not.
  *
- * @usb_sem: semaphore of USB control messages (reading needs two messages)
- * @i2c_sem: semaphore for i2c-transfers
+ * @usb_mutex: semaphore of USB control messages (reading needs two messages)
+ * @i2c_mutex: semaphore for i2c-transfers
  *
  * @i2c_adap: device's i2c_adapter if it uses I2CoverUSB
  * @pll_addr: I2C address of the tuner for programming
@@ -283,10 +284,10 @@ struct dvb_usb_device {
 	int pid_filtering;
 
 	/* locking */
-	struct semaphore usb_sem;
+	struct mutex usb_mutex;
 
 	/* i2c */
-	struct semaphore i2c_sem;
+	struct mutex i2c_mutex;
 	struct i2c_adapter i2c_adap;
 
 	/* tuner programming information */
diff --git a/drivers/media/dvb/dvb-usb/vp702x.c b/drivers/media/dvb/dvb-usb/vp702x.c
index 4a95eca81c5..b2f098a2d5f 100644
--- a/drivers/media/dvb/dvb-usb/vp702x.c
+++ b/drivers/media/dvb/dvb-usb/vp702x.c
@@ -75,7 +75,7 @@ int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int il
 {
 	int ret;
 
-	if ((ret = down_interruptible(&d->usb_sem)))
+	if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
 		return ret;
 
 	if ((ret = vp702x_usb_out_op(d,REQUEST_OUT,0,0,o,olen)) < 0)
@@ -84,7 +84,7 @@ int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int il
 	ret = vp702x_usb_in_op(d,REQUEST_IN,0,0,i,ilen);
 
 unlock:
-	up(&d->usb_sem);
+	mutex_unlock(&d->usb_mutex);
 
 	return ret;
 }
diff --git a/drivers/media/dvb/dvb-usb/vp7045.c b/drivers/media/dvb/dvb-usb/vp7045.c
index 028204956bb..7fa656b108c 100644
--- a/drivers/media/dvb/dvb-usb/vp7045.c
+++ b/drivers/media/dvb/dvb-usb/vp7045.c
@@ -38,7 +38,7 @@ int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in,
 	deb_xfer("out buffer: ");
 	debug_dump(outbuf,outlen+1,deb_xfer);
 
-	if ((ret = down_interruptible(&d->usb_sem)))
+	if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
 		return ret;
 
 	if (usb_control_msg(d->udev,
@@ -68,7 +68,7 @@ int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in,
 		memcpy(in,&inbuf[1],inlen);
 
 unlock:
-	up(&d->usb_sem);
+	mutex_unlock(&d->usb_mutex);
 
 	return ret;
 }
diff --git a/drivers/media/dvb/frontends/bcm3510.c b/drivers/media/dvb/frontends/bcm3510.c
index caaee893ca7..1708a1d4893 100644
--- a/drivers/media/dvb/frontends/bcm3510.c
+++ b/drivers/media/dvb/frontends/bcm3510.c
@@ -39,6 +39,7 @@
 #include <linux/jiffies.h>
 #include <linux/string.h>
 #include <linux/slab.h>
+#include <linux/mutex.h>
 
 #include "dvb_frontend.h"
 #include "bcm3510.h"
@@ -52,7 +53,7 @@ struct bcm3510_state {
 	struct dvb_frontend frontend;
 
 	/* demodulator private data */
-	struct semaphore hab_sem;
+	struct mutex hab_mutex;
 	u8 firmware_loaded:1;
 
 	unsigned long next_status_check;
@@ -213,7 +214,7 @@ static int bcm3510_do_hab_cmd(struct bcm3510_state *st, u8 cmd, u8 msgid, u8 *ob
 	dbufout(ob,olen+2,deb_hab);
 	deb_hab("\n");
 
-	if (down_interruptible(&st->hab_sem) < 0)
+	if (mutex_lock_interruptible(&st->hab_mutex) < 0)
 		return -EAGAIN;
 
 	if ((ret = bcm3510_hab_send_request(st, ob, olen+2)) < 0 ||
@@ -226,7 +227,7 @@ static int bcm3510_do_hab_cmd(struct bcm3510_state *st, u8 cmd, u8 msgid, u8 *ob
 
 	memcpy(ibuf,&ib[2],ilen);
 error:
-	up(&st->hab_sem);
+	mutex_unlock(&st->hab_mutex);
 	return ret;
 }
 
@@ -796,7 +797,7 @@ struct dvb_frontend* bcm3510_attach(const struct bcm3510_config *config,
 	state->frontend.ops = &state->ops;
 	state->frontend.demodulator_priv = state;
 
-	sema_init(&state->hab_sem, 1);
+	mutex_init(&state->hab_mutex);
 
 	if ((ret = bcm3510_readB(state,0xe0,&v)) < 0)
 		goto error;
diff --git a/drivers/media/dvb/ttpci/av7110.c b/drivers/media/dvb/ttpci/av7110.c
index d36369e9e88..1aa61bf29ad 100644
--- a/drivers/media/dvb/ttpci/av7110.c
+++ b/drivers/media/dvb/ttpci/av7110.c
@@ -54,7 +54,6 @@
 #include <linux/i2c.h>
 
 #include <asm/system.h>
-#include <asm/semaphore.h>
 
 #include <linux/dvb/frontend.h>
 
@@ -242,10 +241,10 @@ static int arm_thread(void *data)
 		if (!av7110->arm_ready)
 			continue;
 
-		if (down_interruptible(&av7110->dcomlock))
+		if (mutex_lock_interruptible(&av7110->dcomlock))
 			break;
 		newloops = rdebi(av7110, DEBINOSWAP, STATUS_LOOPS, 0, 2);
-		up(&av7110->dcomlock);
+		mutex_unlock(&av7110->dcomlock);
 
 		if (newloops == av7110->arm_loops || av7110->arm_errors > 3) {
 			printk(KERN_ERR "dvb-ttpci: ARM crashed @ card %d\n",
@@ -253,10 +252,10 @@ static int arm_thread(void *data)
 
 			recover_arm(av7110);
 
-			if (down_interruptible(&av7110->dcomlock))
+			if (mutex_lock_interruptible(&av7110->dcomlock))
 				break;
 			newloops = rdebi(av7110, DEBINOSWAP, STATUS_LOOPS, 0, 2) - 1;
-			up(&av7110->dcomlock);
+			mutex_unlock(&av7110->dcomlock);
 		}
 		av7110->arm_loops = newloops;
 		av7110->arm_errors = 0;
@@ -741,7 +740,7 @@ int ChangePIDs(struct av7110 *av7110, u16 vpid, u16 apid, u16 ttpid,
 	int ret = 0;
 	dprintk(4, "%p\n", av7110);
 
-	if (down_interruptible(&av7110->pid_mutex))
+	if (mutex_lock_interruptible(&av7110->pid_mutex))
 		return -ERESTARTSYS;
 
 	if (!(vpid & 0x8000))
@@ -760,7 +759,7 @@ int ChangePIDs(struct av7110 *av7110, u16 vpid, u16 apid, u16 ttpid,
 		ret = SetPIDs(av7110, vpid, apid, ttpid, subpid, pcrpid);
 	}
 
-	up(&av7110->pid_mutex);
+	mutex_unlock(&av7110->pid_mutex);
 	return ret;
 }
 
@@ -2096,7 +2095,7 @@ static int av7110_fe_lock_fix(struct av7110* av7110, fe_status_t status)
 	if (av7110->playing)
 		return 0;
 
-	if (down_interruptible(&av7110->pid_mutex))
+	if (mutex_lock_interruptible(&av7110->pid_mutex))
 		return -ERESTARTSYS;
 
 	if (synced) {
@@ -2118,7 +2117,7 @@ static int av7110_fe_lock_fix(struct av7110* av7110, fe_status_t status)
 	if (!ret)
 		av7110->fe_synced = synced;
 
-	up(&av7110->pid_mutex);
+	mutex_unlock(&av7110->pid_mutex);
 	return ret;
 }
 
@@ -2713,16 +2712,16 @@ static int av7110_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_d
 	tasklet_init (&av7110->debi_tasklet, debiirq, (unsigned long) av7110);
 	tasklet_init (&av7110->gpio_tasklet, gpioirq, (unsigned long) av7110);
 
-	sema_init(&av7110->pid_mutex, 1);
+	mutex_init(&av7110->pid_mutex);
 
 	/* locks for data transfers from/to AV7110 */
 	spin_lock_init(&av7110->debilock);
-	sema_init(&av7110->dcomlock, 1);
+	mutex_init(&av7110->dcomlock);
 	av7110->debitype = -1;
 
 	/* default OSD window */
 	av7110->osdwin = 1;
-	sema_init(&av7110->osd_sema, 1);
+	mutex_init(&av7110->osd_mutex);
 
 	/* ARM "watchdog" */
 	init_waitqueue_head(&av7110->arm_wait);
diff --git a/drivers/media/dvb/ttpci/av7110.h b/drivers/media/dvb/ttpci/av7110.h
index fafd25fab83..3e2e12124ba 100644
--- a/drivers/media/dvb/ttpci/av7110.h
+++ b/drivers/media/dvb/ttpci/av7110.h
@@ -16,6 +16,7 @@
 #include <linux/dvb/ca.h>
 #include <linux/dvb/osd.h>
 #include <linux/dvb/net.h>
+#include <linux/mutex.h>
 
 #include "dvbdev.h"
 #include "demux.h"
@@ -127,7 +128,7 @@ struct av7110 {
 	/* DEBI and polled command interface */
 
 	spinlock_t		debilock;
-	struct semaphore	dcomlock;
+	struct mutex		dcomlock;
 	volatile int		debitype;
 	volatile int		debilen;
 
@@ -146,7 +147,7 @@ struct av7110 {
 
 	int			osdwin;      /* currently active window */
 	u16			osdbpp[8];
-	struct semaphore	osd_sema;
+	struct mutex		osd_mutex;
 
 	/* CA */
 
@@ -172,7 +173,7 @@ struct av7110 {
 	struct tasklet_struct   vpe_tasklet;
 
 	int			fe_synced;
-	struct semaphore	pid_mutex;
+	struct mutex		pid_mutex;
 
 	int			video_blank;
 	struct video_status	videostate;
diff --git a/drivers/media/dvb/ttpci/av7110_hw.c b/drivers/media/dvb/ttpci/av7110_hw.c
index b2e63e9fc05..3c5366d15a8 100644
--- a/drivers/media/dvb/ttpci/av7110_hw.c
+++ b/drivers/media/dvb/ttpci/av7110_hw.c
@@ -324,10 +324,10 @@ int av7110_wait_msgstate(struct av7110 *av7110, u16 flags)
 	start = jiffies;
 	for (;;) {
 		err = time_after(jiffies, start + ARM_WAIT_FREE);
-		if (down_interruptible(&av7110->dcomlock))
+		if (mutex_lock_interruptible(&av7110->dcomlock))
 			return -ERESTARTSYS;
 		stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
-		up(&av7110->dcomlock);
+		mutex_unlock(&av7110->dcomlock);
 		if ((stat & flags) == 0)
 			break;
 		if (err) {
@@ -484,11 +484,11 @@ static int av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
 		dprintk(1, "arm not ready.\n");
 		return -1;
 	}
-	if (down_interruptible(&av7110->dcomlock))
+	if (mutex_lock_interruptible(&av7110->dcomlock))
 		return -ERESTARTSYS;
 
 	ret = __av7110_send_fw_cmd(av7110, buf, length);
-	up(&av7110->dcomlock);
+	mutex_unlock(&av7110->dcomlock);
 	if (ret && ret!=-ERESTARTSYS)
 		printk(KERN_ERR "dvb-ttpci: %s(): av7110_send_fw_cmd error %d\n",
 		       __FUNCTION__, ret);
@@ -560,11 +560,11 @@ int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
 		return -1;
 	}
 
-	if (down_interruptible(&av7110->dcomlock))
+	if (mutex_lock_interruptible(&av7110->dcomlock))
 		return -ERESTARTSYS;
 
 	if ((err = __av7110_send_fw_cmd(av7110, request_buf, request_buf_len)) < 0) {
-		up(&av7110->dcomlock);
+		mutex_unlock(&av7110->dcomlock);
 		printk(KERN_ERR "dvb-ttpci: av7110_fw_request error %d\n", err);
 		return err;
 	}
@@ -576,7 +576,7 @@ int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
 			break;
 		if (err) {
 			printk(KERN_ERR "%s: timeout waiting for COMMAND to complete\n", __FUNCTION__);
-			up(&av7110->dcomlock);
+			mutex_unlock(&av7110->dcomlock);
 			return -ETIMEDOUT;
 		}
 #ifdef _NOHANDSHAKE
@@ -592,7 +592,7 @@ int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
 			break;
 		if (err) {
 			printk(KERN_ERR "%s: timeout waiting for HANDSHAKE_REG\n", __FUNCTION__);
-			up(&av7110->dcomlock);
+			mutex_unlock(&av7110->dcomlock);
 			return -ETIMEDOUT;
 		}
 		msleep(1);
@@ -603,12 +603,12 @@ int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
 	stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
 	if (stat & GPMQOver) {
 		printk(KERN_ERR "%s: GPMQOver\n", __FUNCTION__);
-		up(&av7110->dcomlock);
+		mutex_unlock(&av7110->dcomlock);
 		return -1;
 	}
 	else if (stat & OSDQOver) {
 		printk(KERN_ERR "%s: OSDQOver\n", __FUNCTION__);
-		up(&av7110->dcomlock);
+		mutex_unlock(&av7110->dcomlock);
 		return -1;
 	}
 #endif
@@ -616,7 +616,7 @@ int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
 	for (i = 0; i < reply_buf_len; i++)
 		reply_buf[i] = rdebi(av7110, DEBINOSWAP, COM_BUFF + 2 * i, 0, 2);
 
-	up(&av7110->dcomlock);
+	mutex_unlock(&av7110->dcomlock);
 	return 0;
 }
 
@@ -732,7 +732,7 @@ static int FlushText(struct av7110 *av7110)
 	unsigned long start;
 	int err;
 
-	if (down_interruptible(&av7110->dcomlock))
+	if (mutex_lock_interruptible(&av7110->dcomlock))
 		return -ERESTARTSYS;
 	start = jiffies;
 	while (1) {
@@ -742,12 +742,12 @@ static int FlushText(struct av7110 *av7110)
 		if (err) {
 			printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for BUFF1_BASE == 0\n",
 			       __FUNCTION__);
-			up(&av7110->dcomlock);
+			mutex_unlock(&av7110->dcomlock);
 			return -ETIMEDOUT;
 		}
 		msleep(1);
 	}
-	up(&av7110->dcomlock);
+	mutex_unlock(&av7110->dcomlock);
 	return 0;
 }
 
@@ -758,7 +758,7 @@ static int WriteText(struct av7110 *av7110, u8 win, u16 x, u16 y, u8* buf)
 	int length = strlen(buf) + 1;
 	u16 cbuf[5] = { (COMTYPE_OSD << 8) + DText, 3, win, x, y };
 
-	if (down_interruptible(&av7110->dcomlock))
+	if (mutex_lock_interruptible(&av7110->dcomlock))
 		return -ERESTARTSYS;
 
 	start = jiffies;
@@ -769,7 +769,7 @@ static int WriteText(struct av7110 *av7110, u8 win, u16 x, u16 y, u8* buf)
 		if (ret) {
 			printk(KERN_ERR "dvb-ttpci: %s: timeout waiting for BUFF1_BASE == 0\n",
 			       __FUNCTION__);
-			up(&av7110->dcomlock);
+			mutex_unlock(&av7110->dcomlock);
 			return -ETIMEDOUT;
 		}
 		msleep(1);
@@ -783,7 +783,7 @@ static int WriteText(struct av7110 *av7110, u8 win, u16 x, u16 y, u8* buf)
 		if (ret) {
 			printk(KERN_ERR "dvb-ttpci: %s: timeout waiting for HANDSHAKE_REG\n",
 			       __FUNCTION__);
-			up(&av7110->dcomlock);
+			mutex_unlock(&av7110->dcomlock);
 			return -ETIMEDOUT;
 		}
 		msleep(1);
@@ -795,7 +795,7 @@ static int WriteText(struct av7110 *av7110, u8 win, u16 x, u16 y, u8* buf)
 	if (length & 1)
 		wdebi(av7110, DEBINOSWAP, BUFF1_BASE + i * 2, 0, 2);
 	ret = __av7110_send_fw_cmd(av7110, cbuf, 5);
-	up(&av7110->dcomlock);
+	mutex_unlock(&av7110->dcomlock);
 	if (ret && ret!=-ERESTARTSYS)
 		printk(KERN_ERR "dvb-ttpci: WriteText error %d\n", ret);
 	return ret;
@@ -1059,7 +1059,7 @@ int av7110_osd_cmd(struct av7110 *av7110, osd_cmd_t *dc)
 {
 	int ret;
 
-	if (down_interruptible(&av7110->osd_sema))
+	if (mutex_lock_interruptible(&av7110->osd_mutex))
 		return -ERESTARTSYS;
 
 	switch (dc->cmd) {
@@ -1195,7 +1195,7 @@ int av7110_osd_cmd(struct av7110 *av7110, osd_cmd_t *dc)
 		break;
 	}
 
-	up(&av7110->osd_sema);
+	mutex_unlock(&av7110->osd_mutex);
 	if (ret==-ERESTARTSYS)
 		dprintk(1, "av7110_osd_cmd(%d) returns with -ERESTARTSYS\n",dc->cmd);
 	else if (ret)
diff --git a/drivers/media/dvb/ttpci/budget.h b/drivers/media/dvb/ttpci/budget.h
index c7bb63c4d98..4ac0f4d0802 100644
--- a/drivers/media/dvb/ttpci/budget.h
+++ b/drivers/media/dvb/ttpci/budget.h
@@ -10,6 +10,8 @@
 #include "dvb_net.h"
 
 #include <linux/module.h>
+#include <linux/mutex.h>
+
 #include <media/saa7146.h>
 
 extern int budget_debug;
@@ -51,7 +53,7 @@ struct budget {
 	struct dmx_frontend mem_frontend;
 
 	int fe_synced;
-	struct semaphore pid_mutex;
+	struct mutex pid_mutex;
 
 	int ci_present;
 	int video_port;
diff --git a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
index 5a13c4744f6..ecb15d4ecf8 100644
--- a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
+++ b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
@@ -19,7 +19,7 @@
 #include <linux/time.h>
 #include <linux/errno.h>
 #include <linux/jiffies.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 #include "dvb_frontend.h"
 #include "dmxdev.h"
@@ -35,7 +35,6 @@
 #include <linux/dvb/dmx.h>
 #include <linux/pci.h>
 
-
 /*
   TTUSB_HWSECTIONS:
     the DSP supports filtering in hardware, however, since the "muxstream"
@@ -83,8 +82,8 @@ struct ttusb {
 	struct dvb_net dvbnet;
 
 	/* and one for USB access. */
-	struct semaphore semi2c;
-	struct semaphore semusb;
+	struct mutex semi2c;
+	struct mutex semusb;
 
 	struct dvb_adapter adapter;
 	struct usb_device *dev;
@@ -150,7 +149,7 @@ static int ttusb_cmd(struct ttusb *ttusb,
 	printk("\n");
 #endif
 
-	if (down_interruptible(&ttusb->semusb) < 0)
+	if (mutex_lock_interruptible(&ttusb->semusb) < 0)
 		return -EAGAIN;
 
 	err = usb_bulk_msg(ttusb->dev, ttusb->bulk_out_pipe,
@@ -158,13 +157,13 @@ static int ttusb_cmd(struct ttusb *ttusb,
 	if (err != 0) {
 		dprintk("%s: usb_bulk_msg(send) failed, err == %i!\n",
 			__FUNCTION__, err);
-		up(&ttusb->semusb);
+		mutex_unlock(&ttusb->semusb);
 		return err;
 	}
 	if (actual_len != len) {
 		dprintk("%s: only wrote %d of %d bytes\n", __FUNCTION__,
 			actual_len, len);
-		up(&ttusb->semusb);
+		mutex_unlock(&ttusb->semusb);
 		return -1;
 	}
 
@@ -174,7 +173,7 @@ static int ttusb_cmd(struct ttusb *ttusb,
 	if (err != 0) {
 		printk("%s: failed, receive error %d\n", __FUNCTION__,
 		       err);
-		up(&ttusb->semusb);
+		mutex_unlock(&ttusb->semusb);
 		return err;
 	}
 #if DEBUG >= 3
@@ -185,14 +184,14 @@ static int ttusb_cmd(struct ttusb *ttusb,
 	printk("\n");
 #endif
 	if (!needresult)
-		up(&ttusb->semusb);
+		mutex_unlock(&ttusb->semusb);
 	return 0;
 }
 
 static int ttusb_result(struct ttusb *ttusb, u8 * data, int len)
 {
 	memcpy(data, ttusb->last_result, len);
-	up(&ttusb->semusb);
+	mutex_unlock(&ttusb->semusb);
 	return 0;
 }
 
@@ -250,7 +249,7 @@ static int master_xfer(struct i2c_adapter* adapter, struct i2c_msg *msg, int num
 	int i = 0;
 	int inc;
 
-	if (down_interruptible(&ttusb->semi2c) < 0)
+	if (mutex_lock_interruptible(&ttusb->semi2c) < 0)
 		return -EAGAIN;
 
 	while (i < num) {
@@ -284,7 +283,7 @@ static int master_xfer(struct i2c_adapter* adapter, struct i2c_msg *msg, int num
 		i += inc;
 	}
 
-	up(&ttusb->semi2c);
+	mutex_unlock(&ttusb->semi2c);
 	return i;
 }
 
@@ -1495,8 +1494,11 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 	ttusb->dev = udev;
 	ttusb->c = 0;
 	ttusb->mux_state = 0;
-	sema_init(&ttusb->semi2c, 0);
-	sema_init(&ttusb->semusb, 1);
+	mutex_init(&ttusb->semi2c);
+
+	mutex_lock(&ttusb->semi2c);
+
+	mutex_init(&ttusb->semusb);
 
 	ttusb_setup_interfaces(ttusb);
 
@@ -1504,7 +1506,7 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 	if (ttusb_init_controller(ttusb))
 		printk("ttusb_init_controller: error\n");
 
-	up(&ttusb->semi2c);
+	mutex_unlock(&ttusb->semi2c);
 
 	dvb_register_adapter(&ttusb->adapter, "Technotrend/Hauppauge Nova-USB", THIS_MODULE);
 	ttusb->adapter.priv = ttusb;
diff --git a/drivers/media/dvb/ttusb-dec/ttusb_dec.c b/drivers/media/dvb/ttusb-dec/ttusb_dec.c
index df831171e03..44dea321184 100644
--- a/drivers/media/dvb/ttusb-dec/ttusb_dec.c
+++ b/drivers/media/dvb/ttusb-dec/ttusb_dec.c
@@ -20,7 +20,8 @@
  *
  */
 
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
+
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
@@ -115,7 +116,7 @@ struct ttusb_dec {
 	unsigned int			out_pipe;
 	unsigned int			irq_pipe;
 	enum ttusb_dec_interface	interface;
-	struct semaphore		usb_sem;
+	struct mutex			usb_mutex;
 
 	void			*irq_buffer;
 	struct urb		*irq_urb;
@@ -124,7 +125,7 @@ struct ttusb_dec {
 	dma_addr_t		iso_dma_handle;
 	struct urb		*iso_urb[ISO_BUF_COUNT];
 	int			iso_stream_count;
-	struct semaphore	iso_sem;
+	struct mutex		iso_mutex;
 
 	u8				packet[MAX_PVA_LENGTH + 4];
 	enum ttusb_dec_packet_type	packet_type;
@@ -273,9 +274,9 @@ static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
 	if (!b)
 		return -ENOMEM;
 
-	if ((result = down_interruptible(&dec->usb_sem))) {
+	if ((result = mutex_lock_interruptible(&dec->usb_mutex))) {
 		kfree(b);
-		printk("%s: Failed to down usb semaphore.\n", __FUNCTION__);
+		printk("%s: Failed to lock usb mutex.\n", __FUNCTION__);
 		return result;
 	}
 
@@ -300,7 +301,7 @@ static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
 	if (result) {
 		printk("%s: command bulk message failed: error %d\n",
 		       __FUNCTION__, result);
-		up(&dec->usb_sem);
+		mutex_unlock(&dec->usb_mutex);
 		kfree(b);
 		return result;
 	}
@@ -311,7 +312,7 @@ static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
 	if (result) {
 		printk("%s: result bulk message failed: error %d\n",
 		       __FUNCTION__, result);
-		up(&dec->usb_sem);
+		mutex_unlock(&dec->usb_mutex);
 		kfree(b);
 		return result;
 	} else {
@@ -327,7 +328,7 @@ static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
 		if (cmd_result && b[3] > 0)
 			memcpy(cmd_result, &b[4], b[3]);
 
-		up(&dec->usb_sem);
+		mutex_unlock(&dec->usb_mutex);
 
 		kfree(b);
 		return 0;
@@ -835,7 +836,7 @@ static void ttusb_dec_stop_iso_xfer(struct ttusb_dec *dec)
 
 	dprintk("%s\n", __FUNCTION__);
 
-	if (down_interruptible(&dec->iso_sem))
+	if (mutex_lock_interruptible(&dec->iso_mutex))
 		return;
 
 	dec->iso_stream_count--;
@@ -845,7 +846,7 @@ static void ttusb_dec_stop_iso_xfer(struct ttusb_dec *dec)
 			usb_kill_urb(dec->iso_urb[i]);
 	}
 
-	up(&dec->iso_sem);
+	mutex_unlock(&dec->iso_mutex);
 }
 
 /* Setting the interface of the DEC tends to take down the USB communications
@@ -890,7 +891,7 @@ static int ttusb_dec_start_iso_xfer(struct ttusb_dec *dec)
 
 	dprintk("%s\n", __FUNCTION__);
 
-	if (down_interruptible(&dec->iso_sem))
+	if (mutex_lock_interruptible(&dec->iso_mutex))
 		return -EAGAIN;
 
 	if (!dec->iso_stream_count) {
@@ -911,7 +912,7 @@ static int ttusb_dec_start_iso_xfer(struct ttusb_dec *dec)
 					i--;
 				}
 
-				up(&dec->iso_sem);
+				mutex_unlock(&dec->iso_mutex);
 				return result;
 			}
 		}
@@ -919,7 +920,7 @@ static int ttusb_dec_start_iso_xfer(struct ttusb_dec *dec)
 
 	dec->iso_stream_count++;
 
-	up(&dec->iso_sem);
+	mutex_unlock(&dec->iso_mutex);
 
 	return 0;
 }
@@ -1229,8 +1230,8 @@ static int ttusb_dec_init_usb(struct ttusb_dec *dec)
 {
 	dprintk("%s\n", __FUNCTION__);
 
-	sema_init(&dec->usb_sem, 1);
-	sema_init(&dec->iso_sem, 1);
+	mutex_init(&dec->usb_mutex);
+	mutex_init(&dec->iso_mutex);
 
 	dec->command_pipe = usb_sndbulkpipe(dec->udev, COMMAND_PIPE);
 	dec->result_pipe = usb_rcvbulkpipe(dec->udev, RESULT_PIPE);