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-rw-r--r--sound/oss/dmabuf.c14
-rw-r--r--sound/oss/dmasound/dmasound.h1
-rw-r--r--sound/oss/dmasound/dmasound_core.c28
-rw-r--r--sound/oss/midibuf.c18
-rw-r--r--sound/oss/msnd_pinnacle.c31
-rw-r--r--sound/oss/sequencer.c16
-rw-r--r--sound/oss/sleep.h18
-rw-r--r--sound/oss/swarm_cs4297a.c14
-rw-r--r--sound/oss/vwsnd.c14
9 files changed, 95 insertions, 59 deletions
diff --git a/sound/oss/dmabuf.c b/sound/oss/dmabuf.c
index 461d94cfecbe..e3f29132d3ac 100644
--- a/sound/oss/dmabuf.c
+++ b/sound/oss/dmabuf.c
@@ -28,6 +28,7 @@
#include <linux/mm.h>
#include <linux/gfp.h>
#include "sound_config.h"
+#include "sleep.h"
#define DMAP_FREE_ON_CLOSE 0
#define DMAP_KEEP_ON_CLOSE 1
@@ -351,8 +352,7 @@ static void dma_reset_output(int dev)
if (!signal_pending(current) && adev->dmap_out->qlen &&
adev->dmap_out->underrun_count == 0){
spin_unlock_irqrestore(&dmap->lock,flags);
- interruptible_sleep_on_timeout(&adev->out_sleeper,
- dmabuf_timeout(dmap));
+ oss_broken_sleep_on(&adev->out_sleeper, dmabuf_timeout(dmap));
spin_lock_irqsave(&dmap->lock,flags);
}
adev->dmap_out->flags &= ~(DMA_SYNCING | DMA_ACTIVE);
@@ -446,7 +446,7 @@ int DMAbuf_sync(int dev)
long t = dmabuf_timeout(dmap);
spin_unlock_irqrestore(&dmap->lock,flags);
/* FIXME: not safe may miss events */
- t = interruptible_sleep_on_timeout(&adev->out_sleeper, t);
+ t = oss_broken_sleep_on(&adev->out_sleeper, t);
spin_lock_irqsave(&dmap->lock,flags);
if (!t) {
adev->dmap_out->flags &= ~DMA_SYNCING;
@@ -466,7 +466,7 @@ int DMAbuf_sync(int dev)
while (!signal_pending(current) &&
adev->d->local_qlen(dev)){
spin_unlock_irqrestore(&dmap->lock,flags);
- interruptible_sleep_on_timeout(&adev->out_sleeper,
+ oss_broken_sleep_on(&adev->out_sleeper,
dmabuf_timeout(dmap));
spin_lock_irqsave(&dmap->lock,flags);
}
@@ -587,8 +587,7 @@ int DMAbuf_getrdbuffer(int dev, char **buf, int *len, int dontblock)
timeout = dmabuf_timeout(dmap);
spin_unlock_irqrestore(&dmap->lock,flags);
- timeout = interruptible_sleep_on_timeout(&adev->in_sleeper,
- timeout);
+ timeout = oss_broken_sleep_on(&adev->in_sleeper, timeout);
if (!timeout) {
/* FIXME: include device name */
err = -EIO;
@@ -768,8 +767,7 @@ static int output_sleep(int dev, int dontblock)
timeout_value = dmabuf_timeout(dmap);
else
timeout_value = MAX_SCHEDULE_TIMEOUT;
- timeout_value = interruptible_sleep_on_timeout(&adev->out_sleeper,
- timeout_value);
+ timeout_value = oss_broken_sleep_on(&adev->out_sleeper, timeout_value);
if (timeout != MAX_SCHEDULE_TIMEOUT && !timeout_value) {
printk(KERN_WARNING "Sound: DMA (output) timed out - IRQ/DRQ config error?\n");
dma_reset_output(dev);
diff --git a/sound/oss/dmasound/dmasound.h b/sound/oss/dmasound/dmasound.h
index 1308d8d34186..01019f06fa91 100644
--- a/sound/oss/dmasound/dmasound.h
+++ b/sound/oss/dmasound/dmasound.h
@@ -239,7 +239,6 @@ struct sound_queue {
int busy, syncing, xruns, died;
};
-#define SLEEP(queue) interruptible_sleep_on_timeout(&queue, HZ)
#define WAKE_UP(queue) (wake_up_interruptible(&queue))
extern struct sound_queue dmasound_write_sq;
diff --git a/sound/oss/dmasound/dmasound_core.c b/sound/oss/dmasound/dmasound_core.c
index bac43b5b6e95..f4ee85a4c42f 100644
--- a/sound/oss/dmasound/dmasound_core.c
+++ b/sound/oss/dmasound/dmasound_core.c
@@ -619,15 +619,27 @@ static ssize_t sq_write(struct file *file, const char __user *src, size_t uLeft,
}
while (uLeft) {
+ DEFINE_WAIT(wait);
+
while (write_sq.count >= write_sq.max_active) {
+ prepare_to_wait(&write_sq.action_queue, &wait, TASK_INTERRUPTIBLE);
sq_play();
- if (write_sq.non_blocking)
+ if (write_sq.non_blocking) {
+ finish_wait(&write_sq.action_queue, &wait);
return uWritten > 0 ? uWritten : -EAGAIN;
- SLEEP(write_sq.action_queue);
- if (signal_pending(current))
+ }
+ if (write_sq.count < write_sq.max_active)
+ break;
+
+ schedule_timeout(HZ);
+ if (signal_pending(current)) {
+ finish_wait(&write_sq.action_queue, &wait);
return uWritten > 0 ? uWritten : -EINTR;
+ }
}
+ finish_wait(&write_sq.action_queue, &wait);
+
/* Here, we can avoid disabling the interrupt by first
* copying and translating the data, and then updating
* the write_sq variables. Until this is done, the interrupt
@@ -707,11 +719,8 @@ static int sq_open2(struct sound_queue *sq, struct file *file, fmode_t mode,
if (file->f_flags & O_NONBLOCK)
return rc;
rc = -EINTR;
- while (sq->busy) {
- SLEEP(sq->open_queue);
- if (signal_pending(current))
- return rc;
- }
+ if (wait_event_interruptible(sq->open_queue, !sq->busy))
+ return rc;
rc = 0;
#else
/* OSS manual says we will return EBUSY regardless
@@ -844,7 +853,8 @@ static int sq_fsync(void)
sq_play(); /* there may be an incomplete frame waiting */
while (write_sq.active) {
- SLEEP(write_sq.sync_queue);
+ wait_event_interruptible_timeout(write_sq.sync_queue,
+ !write_sq.active, HZ);
if (signal_pending(current)) {
/* While waiting for audio output to drain, an
* interrupt occurred. Stop audio output immediately
diff --git a/sound/oss/midibuf.c b/sound/oss/midibuf.c
index 8cdb2cfe65c8..8f45cd999965 100644
--- a/sound/oss/midibuf.c
+++ b/sound/oss/midibuf.c
@@ -86,9 +86,8 @@ static void drain_midi_queue(int dev)
*/
if (midi_devs[dev]->buffer_status != NULL)
- while (!signal_pending(current) && midi_devs[dev]->buffer_status(dev))
- interruptible_sleep_on_timeout(&midi_sleeper[dev],
- HZ/10);
+ wait_event_interruptible_timeout(midi_sleeper[dev],
+ !midi_devs[dev]->buffer_status(dev), HZ/10);
}
static void midi_input_intr(int dev, unsigned char data)
@@ -233,8 +232,8 @@ void MIDIbuf_release(int dev, struct file *file)
* devices
*/
- while (!signal_pending(current) && DATA_AVAIL(midi_out_buf[dev]))
- interruptible_sleep_on(&midi_sleeper[dev]);
+ wait_event_interruptible(midi_sleeper[dev],
+ !DATA_AVAIL(midi_out_buf[dev]));
/*
* Sync
*/
@@ -282,8 +281,8 @@ int MIDIbuf_write(int dev, struct file *file, const char __user *buf, int count)
goto out;
}
- interruptible_sleep_on(&midi_sleeper[dev]);
- if (signal_pending(current))
+ if (wait_event_interruptible(midi_sleeper[dev],
+ SPACE_AVAIL(midi_out_buf[dev])))
{
c = -EINTR;
goto out;
@@ -325,8 +324,9 @@ int MIDIbuf_read(int dev, struct file *file, char __user *buf, int count)
c = -EAGAIN;
goto out;
}
- interruptible_sleep_on_timeout(&input_sleeper[dev],
- parms[dev].prech_timeout);
+ wait_event_interruptible_timeout(input_sleeper[dev],
+ DATA_AVAIL(midi_in_buf[dev]),
+ parms[dev].prech_timeout);
if (signal_pending(current))
c = -EINTR; /* The user is getting restless */
diff --git a/sound/oss/msnd_pinnacle.c b/sound/oss/msnd_pinnacle.c
index 11ff7c55240c..c23f9f95bfa5 100644
--- a/sound/oss/msnd_pinnacle.c
+++ b/sound/oss/msnd_pinnacle.c
@@ -664,12 +664,15 @@ static long dev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
static void dsp_write_flush(void)
{
+ int timeout = get_play_delay_jiffies(dev.DAPF.len);
+
if (!(dev.mode & FMODE_WRITE) || !test_bit(F_WRITING, &dev.flags))
return;
set_bit(F_WRITEFLUSH, &dev.flags);
- interruptible_sleep_on_timeout(
- &dev.writeflush,
- get_play_delay_jiffies(dev.DAPF.len));
+ wait_event_interruptible_timeout(
+ dev.writeflush,
+ !test_bit(F_WRITEFLUSH, &dev.flags),
+ timeout);
clear_bit(F_WRITEFLUSH, &dev.flags);
if (!signal_pending(current)) {
current->state = TASK_INTERRUPTIBLE;
@@ -897,6 +900,7 @@ static int dsp_read(char __user *buf, size_t len)
{
int count = len;
char *page = (char *)__get_free_page(GFP_KERNEL);
+ int timeout = get_rec_delay_jiffies(DAR_BUFF_SIZE);
if (!page)
return -ENOMEM;
@@ -936,11 +940,11 @@ static int dsp_read(char __user *buf, size_t len)
if (count > 0) {
set_bit(F_READBLOCK, &dev.flags);
- if (!interruptible_sleep_on_timeout(
- &dev.readblock,
- get_rec_delay_jiffies(DAR_BUFF_SIZE)))
+ if (wait_event_interruptible_timeout(
+ dev.readblock,
+ test_bit(F_READBLOCK, &dev.flags),
+ timeout) <= 0)
clear_bit(F_READING, &dev.flags);
- clear_bit(F_READBLOCK, &dev.flags);
if (signal_pending(current)) {
free_page((unsigned long)page);
return -EINTR;
@@ -955,6 +959,7 @@ static int dsp_write(const char __user *buf, size_t len)
{
int count = len;
char *page = (char *)__get_free_page(GFP_KERNEL);
+ int timeout = get_play_delay_jiffies(DAP_BUFF_SIZE);
if (!page)
return -ENOMEM;
@@ -995,10 +1000,10 @@ static int dsp_write(const char __user *buf, size_t len)
if (count > 0) {
set_bit(F_WRITEBLOCK, &dev.flags);
- interruptible_sleep_on_timeout(
- &dev.writeblock,
- get_play_delay_jiffies(DAP_BUFF_SIZE));
- clear_bit(F_WRITEBLOCK, &dev.flags);
+ wait_event_interruptible_timeout(
+ dev.writeblock,
+ test_bit(F_WRITEBLOCK, &dev.flags),
+ timeout);
if (signal_pending(current)) {
free_page((unsigned long)page);
return -EINTR;
@@ -1044,7 +1049,7 @@ static __inline__ void eval_dsp_msg(register WORD wMessage)
clear_bit(F_WRITING, &dev.flags);
}
- if (test_bit(F_WRITEBLOCK, &dev.flags))
+ if (test_and_clear_bit(F_WRITEBLOCK, &dev.flags))
wake_up_interruptible(&dev.writeblock);
break;
@@ -1055,7 +1060,7 @@ static __inline__ void eval_dsp_msg(register WORD wMessage)
pack_DARQ_to_DARF(dev.last_recbank);
- if (test_bit(F_READBLOCK, &dev.flags))
+ if (test_and_clear_bit(F_READBLOCK, &dev.flags))
wake_up_interruptible(&dev.readblock);
break;
diff --git a/sound/oss/sequencer.c b/sound/oss/sequencer.c
index 4ff60a6427d9..9b9f7d385134 100644
--- a/sound/oss/sequencer.c
+++ b/sound/oss/sequencer.c
@@ -19,6 +19,7 @@
#include "sound_config.h"
#include "midi_ctrl.h"
+#include "sleep.h"
static int sequencer_ok;
static struct sound_timer_operations *tmr;
@@ -100,8 +101,7 @@ int sequencer_read(int dev, struct file *file, char __user *buf, int count)
return -EAGAIN;
}
- interruptible_sleep_on_timeout(&midi_sleeper,
- pre_event_timeout);
+ oss_broken_sleep_on(&midi_sleeper, pre_event_timeout);
spin_lock_irqsave(&lock,flags);
if (!iqlen)
{
@@ -343,7 +343,7 @@ static int seq_queue(unsigned char *note, char nonblock)
/*
* Sleep until there is enough space on the queue
*/
- interruptible_sleep_on(&seq_sleeper);
+ oss_broken_sleep_on(&seq_sleeper, MAX_SCHEDULE_TIMEOUT);
}
if (qlen >= SEQ_MAX_QUEUE)
{
@@ -1122,8 +1122,7 @@ static void seq_drain_midi_queues(void)
*/
if (n)
- interruptible_sleep_on_timeout(&seq_sleeper,
- HZ/10);
+ oss_broken_sleep_on(&seq_sleeper, HZ/10);
}
}
@@ -1145,8 +1144,7 @@ void sequencer_release(int dev, struct file *file)
while (!signal_pending(current) && qlen > 0)
{
seq_sync();
- interruptible_sleep_on_timeout(&seq_sleeper,
- 3*HZ);
+ oss_broken_sleep_on(&seq_sleeper, 3*HZ);
/* Extra delay */
}
}
@@ -1201,7 +1199,7 @@ static int seq_sync(void)
seq_startplay();
if (qlen > 0)
- interruptible_sleep_on_timeout(&seq_sleeper, HZ);
+ oss_broken_sleep_on(&seq_sleeper, HZ);
return qlen;
}
@@ -1224,7 +1222,7 @@ static void midi_outc(int dev, unsigned char data)
spin_lock_irqsave(&lock,flags);
while (n && !midi_devs[dev]->outputc(dev, data)) {
- interruptible_sleep_on_timeout(&seq_sleeper, HZ/25);
+ oss_broken_sleep_on(&seq_sleeper, HZ/25);
n--;
}
spin_unlock_irqrestore(&lock,flags);
diff --git a/sound/oss/sleep.h b/sound/oss/sleep.h
new file mode 100644
index 000000000000..a20fc925a5ce
--- /dev/null
+++ b/sound/oss/sleep.h
@@ -0,0 +1,18 @@
+#include <linux/wait.h>
+
+/*
+ * Do not use. This is a replacement for the old
+ * "interruptible_sleep_on_timeout" function that has been
+ * deprecated for ages. All users should instead try to use
+ * wait_event_interruptible_timeout.
+ */
+
+static inline long
+oss_broken_sleep_on(wait_queue_head_t *q, long timeout)
+{
+ DEFINE_WAIT(wait);
+ prepare_to_wait(q, &wait, TASK_INTERRUPTIBLE);
+ timeout = schedule_timeout(timeout);
+ finish_wait(q, &wait);
+ return timeout;
+}
diff --git a/sound/oss/swarm_cs4297a.c b/sound/oss/swarm_cs4297a.c
index 7d8803a00b79..f851fd0e199c 100644
--- a/sound/oss/swarm_cs4297a.c
+++ b/sound/oss/swarm_cs4297a.c
@@ -90,6 +90,8 @@
#include <asm/sibyte/sb1250_mac.h>
#include <asm/sibyte/sb1250.h>
+#include "sleep.h"
+
struct cs4297a_state;
static DEFINE_MUTEX(swarm_cs4297a_mutex);
@@ -748,7 +750,7 @@ static int serdma_reg_access(struct cs4297a_state *s, u64 data)
/* Since a writer has the DSP open, we have to mux the
request in */
s->reg_request = data;
- interruptible_sleep_on(&s->dma_dac.reg_wait);
+ oss_broken_sleep_on(&s->dma_dac.reg_wait, MAX_SCHEDULE_TIMEOUT);
/* XXXKW how can I deal with the starvation case where
the opener isn't writing? */
} else {
@@ -790,7 +792,7 @@ static int cs4297a_read_ac97(struct cs4297a_state *s, u32 offset,
if (serdma_reg_access(s, (0xCLL << 60) | (1LL << 47) | ((u64)(offset & 0x7F) << 40)))
return -1;
- interruptible_sleep_on(&s->dma_adc.reg_wait);
+ oss_broken_sleep_on(&s->dma_adc.reg_wait, MAX_SCHEDULE_TIMEOUT);
*value = s->read_value;
CS_DBGOUT(CS_AC97, 2,
printk(KERN_INFO "cs4297a: rdr reg %x -> %x\n", s->read_reg, s->read_value));
@@ -1740,7 +1742,7 @@ static ssize_t cs4297a_read(struct file *file, char *buffer, size_t count,
start_adc(s);
if (file->f_flags & O_NONBLOCK)
return ret ? ret : -EAGAIN;
- interruptible_sleep_on(&s->dma_adc.wait);
+ oss_broken_sleep_on(&s->dma_adc.wait, MAX_SCHEDULE_TIMEOUT);
if (signal_pending(current))
return ret ? ret : -ERESTARTSYS;
continue;
@@ -1836,7 +1838,7 @@ static ssize_t cs4297a_write(struct file *file, const char *buffer,
start_dac(s);
if (file->f_flags & O_NONBLOCK)
return ret ? ret : -EAGAIN;
- interruptible_sleep_on(&d->wait);
+ oss_broken_sleep_on(&d->wait, MAX_SCHEDULE_TIMEOUT);
if (signal_pending(current))
return ret ? ret : -ERESTARTSYS;
continue;
@@ -2452,7 +2454,7 @@ static int cs4297a_locked_open(struct inode *inode, struct file *file)
return -EBUSY;
}
mutex_unlock(&s->open_sem_dac);
- interruptible_sleep_on(&s->open_wait_dac);
+ oss_broken_sleep_on(&s->open_wait_dac, MAX_SCHEDULE_TIMEOUT);
if (signal_pending(current)) {
printk("open - sig pending\n");
@@ -2469,7 +2471,7 @@ static int cs4297a_locked_open(struct inode *inode, struct file *file)
return -EBUSY;
}
mutex_unlock(&s->open_sem_adc);
- interruptible_sleep_on(&s->open_wait_adc);
+ oss_broken_sleep_on(&s->open_wait_adc, MAX_SCHEDULE_TIMEOUT);
if (signal_pending(current)) {
printk("open - sig pending\n");
diff --git a/sound/oss/vwsnd.c b/sound/oss/vwsnd.c
index 4bbcc0fcd4eb..a077e9c69a5e 100644
--- a/sound/oss/vwsnd.c
+++ b/sound/oss/vwsnd.c
@@ -2921,6 +2921,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file)
vwsnd_dev_t *devc;
int minor = iminor(inode);
int sw_samplefmt;
+ DEFINE_WAIT(wait);
DBGE("(inode=0x%p, file=0x%p)\n", inode, file);
@@ -2937,21 +2938,26 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file)
}
mutex_lock(&devc->open_mutex);
- while (devc->open_mode & file->f_mode) {
+ while (1) {
+ prepare_to_wait(&devc->open_wait, &wait, TASK_INTERRUPTIBLE);
+ if (!(devc->open_mode & file->f_mode))
+ break;
+
mutex_unlock(&devc->open_mutex);
+ mutex_unlock(&vwsnd_mutex);
if (file->f_flags & O_NONBLOCK) {
DEC_USE_COUNT;
- mutex_unlock(&vwsnd_mutex);
return -EBUSY;
}
- interruptible_sleep_on(&devc->open_wait);
+ schedule();
if (signal_pending(current)) {
DEC_USE_COUNT;
- mutex_unlock(&vwsnd_mutex);
return -ERESTARTSYS;
}
+ mutex_lock(&vwsnd_mutex);
mutex_lock(&devc->open_mutex);
}
+ finish_wait(&devc->open_wait, &wait);
devc->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
mutex_unlock(&devc->open_mutex);