aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/dvb/dvb-core
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb/dvb-core')
-rw-r--r--drivers/media/dvb/dvb-core/dmxdev.c86
-rw-r--r--drivers/media/dvb/dvb-core/dmxdev.h6
-rw-r--r--drivers/media/dvb/dvb-core/dvb_demux.c104
-rw-r--r--drivers/media/dvb/dvb-core/dvb_demux.h4
-rw-r--r--drivers/media/dvb/dvb-core/dvb_frontend.c13
-rw-r--r--drivers/media/dvb/dvb-core/dvb_net.c14
6 files changed, 113 insertions, 114 deletions
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;