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Diffstat (limited to 'sound/oss/es1371.c')
-rw-r--r--sound/oss/es1371.c71
1 files changed, 36 insertions, 35 deletions
diff --git a/sound/oss/es1371.c b/sound/oss/es1371.c
index 5c697f162579..4400c8538686 100644
--- a/sound/oss/es1371.c
+++ b/sound/oss/es1371.c
@@ -129,6 +129,7 @@
#include <linux/gameport.h>
#include <linux/wait.h>
#include <linux/dma-mapping.h>
+#include <linux/mutex.h>
#include <asm/io.h>
#include <asm/page.h>
@@ -419,7 +420,7 @@ struct es1371_state {
unsigned dac1rate, dac2rate, adcrate;
spinlock_t lock;
- struct semaphore open_sem;
+ struct mutex open_mutex;
mode_t open_mode;
wait_queue_head_t open_wait;
@@ -462,7 +463,7 @@ struct es1371_state {
struct gameport *gameport;
#endif
- struct semaphore sem;
+ struct mutex sem;
};
/* --------------------------------------------------------------------- */
@@ -1346,7 +1347,7 @@ static ssize_t es1371_read(struct file *file, char __user *buffer, size_t count,
return -ENXIO;
if (!access_ok(VERIFY_WRITE, buffer, count))
return -EFAULT;
- down(&s->sem);
+ mutex_lock(&s->sem);
if (!s->dma_adc.ready && (ret = prog_dmabuf_adc(s)))
goto out2;
@@ -1370,14 +1371,14 @@ static ssize_t es1371_read(struct file *file, char __user *buffer, size_t count,
ret = -EAGAIN;
goto out;
}
- up(&s->sem);
+ mutex_unlock(&s->sem);
schedule();
if (signal_pending(current)) {
if (!ret)
ret = -ERESTARTSYS;
goto out2;
}
- down(&s->sem);
+ mutex_lock(&s->sem);
if (s->dma_adc.mapped)
{
ret = -ENXIO;
@@ -1402,7 +1403,7 @@ static ssize_t es1371_read(struct file *file, char __user *buffer, size_t count,
start_adc(s);
}
out:
- up(&s->sem);
+ mutex_unlock(&s->sem);
out2:
remove_wait_queue(&s->dma_adc.wait, &wait);
set_current_state(TASK_RUNNING);
@@ -1423,7 +1424,7 @@ static ssize_t es1371_write(struct file *file, const char __user *buffer, size_t
return -ENXIO;
if (!access_ok(VERIFY_READ, buffer, count))
return -EFAULT;
- down(&s->sem);
+ mutex_lock(&s->sem);
if (!s->dma_dac2.ready && (ret = prog_dmabuf_dac2(s)))
goto out3;
ret = 0;
@@ -1451,14 +1452,14 @@ static ssize_t es1371_write(struct file *file, const char __user *buffer, size_t
ret = -EAGAIN;
goto out;
}
- up(&s->sem);
+ mutex_unlock(&s->sem);
schedule();
if (signal_pending(current)) {
if (!ret)
ret = -ERESTARTSYS;
goto out2;
}
- down(&s->sem);
+ mutex_lock(&s->sem);
if (s->dma_dac2.mapped)
{
ret = -ENXIO;
@@ -1484,7 +1485,7 @@ static ssize_t es1371_write(struct file *file, const char __user *buffer, size_t
start_dac2(s);
}
out:
- up(&s->sem);
+ mutex_unlock(&s->sem);
out2:
remove_wait_queue(&s->dma_dac2.wait, &wait);
out3:
@@ -1538,7 +1539,7 @@ static int es1371_mmap(struct file *file, struct vm_area_struct *vma)
VALIDATE_STATE(s);
lock_kernel();
- down(&s->sem);
+ mutex_lock(&s->sem);
if (vma->vm_flags & VM_WRITE) {
if ((ret = prog_dmabuf_dac2(s)) != 0) {
@@ -1571,7 +1572,7 @@ static int es1371_mmap(struct file *file, struct vm_area_struct *vma)
}
db->mapped = 1;
out:
- up(&s->sem);
+ mutex_unlock(&s->sem);
unlock_kernel();
return ret;
}
@@ -1938,21 +1939,21 @@ static int es1371_open(struct inode *inode, struct file *file)
VALIDATE_STATE(s);
file->private_data = s;
/* wait for device to become free */
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
while (s->open_mode & file->f_mode) {
if (file->f_flags & O_NONBLOCK) {
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
return -EBUSY;
}
add_wait_queue(&s->open_wait, &wait);
__set_current_state(TASK_INTERRUPTIBLE);
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
schedule();
remove_wait_queue(&s->open_wait, &wait);
set_current_state(TASK_RUNNING);
if (signal_pending(current))
return -ERESTARTSYS;
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
}
if (file->f_mode & FMODE_READ) {
s->dma_adc.ossfragshift = s->dma_adc.ossmaxfrags = s->dma_adc.subdivision = 0;
@@ -1982,8 +1983,8 @@ static int es1371_open(struct inode *inode, struct file *file)
outl(s->sctrl, s->io+ES1371_REG_SERIAL_CONTROL);
spin_unlock_irqrestore(&s->lock, flags);
s->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
- up(&s->open_sem);
- init_MUTEX(&s->sem);
+ mutex_unlock(&s->open_mutex);
+ mutex_init(&s->sem);
return nonseekable_open(inode, file);
}
@@ -1995,7 +1996,7 @@ static int es1371_release(struct inode *inode, struct file *file)
lock_kernel();
if (file->f_mode & FMODE_WRITE)
drain_dac2(s, file->f_flags & O_NONBLOCK);
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
if (file->f_mode & FMODE_WRITE) {
stop_dac2(s);
dealloc_dmabuf(s, &s->dma_dac2);
@@ -2005,7 +2006,7 @@ static int es1371_release(struct inode *inode, struct file *file)
dealloc_dmabuf(s, &s->dma_adc);
}
s->open_mode &= ~(file->f_mode & (FMODE_READ|FMODE_WRITE));
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
wake_up(&s->open_wait);
unlock_kernel();
return 0;
@@ -2377,21 +2378,21 @@ static int es1371_open_dac(struct inode *inode, struct file *file)
return -EINVAL;
file->private_data = s;
/* wait for device to become free */
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
while (s->open_mode & FMODE_DAC) {
if (file->f_flags & O_NONBLOCK) {
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
return -EBUSY;
}
add_wait_queue(&s->open_wait, &wait);
__set_current_state(TASK_INTERRUPTIBLE);
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
schedule();
remove_wait_queue(&s->open_wait, &wait);
set_current_state(TASK_RUNNING);
if (signal_pending(current))
return -ERESTARTSYS;
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
}
s->dma_dac1.ossfragshift = s->dma_dac1.ossmaxfrags = s->dma_dac1.subdivision = 0;
s->dma_dac1.enabled = 1;
@@ -2405,7 +2406,7 @@ static int es1371_open_dac(struct inode *inode, struct file *file)
outl(s->sctrl, s->io+ES1371_REG_SERIAL_CONTROL);
spin_unlock_irqrestore(&s->lock, flags);
s->open_mode |= FMODE_DAC;
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
return nonseekable_open(inode, file);
}
@@ -2416,11 +2417,11 @@ static int es1371_release_dac(struct inode *inode, struct file *file)
VALIDATE_STATE(s);
lock_kernel();
drain_dac1(s, file->f_flags & O_NONBLOCK);
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
stop_dac1(s);
dealloc_dmabuf(s, &s->dma_dac1);
s->open_mode &= ~FMODE_DAC;
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
wake_up(&s->open_wait);
unlock_kernel();
return 0;
@@ -2608,21 +2609,21 @@ static int es1371_midi_open(struct inode *inode, struct file *file)
VALIDATE_STATE(s);
file->private_data = s;
/* wait for device to become free */
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
while (s->open_mode & (file->f_mode << FMODE_MIDI_SHIFT)) {
if (file->f_flags & O_NONBLOCK) {
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
return -EBUSY;
}
add_wait_queue(&s->open_wait, &wait);
__set_current_state(TASK_INTERRUPTIBLE);
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
schedule();
remove_wait_queue(&s->open_wait, &wait);
set_current_state(TASK_RUNNING);
if (signal_pending(current))
return -ERESTARTSYS;
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
}
spin_lock_irqsave(&s->lock, flags);
if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) {
@@ -2643,7 +2644,7 @@ static int es1371_midi_open(struct inode *inode, struct file *file)
es1371_handle_midi(s);
spin_unlock_irqrestore(&s->lock, flags);
s->open_mode |= (file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ | FMODE_MIDI_WRITE);
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
return nonseekable_open(inode, file);
}
@@ -2676,7 +2677,7 @@ static int es1371_midi_release(struct inode *inode, struct file *file)
remove_wait_queue(&s->midi.owait, &wait);
set_current_state(TASK_RUNNING);
}
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
s->open_mode &= ~((file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ|FMODE_MIDI_WRITE));
spin_lock_irqsave(&s->lock, flags);
if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) {
@@ -2684,7 +2685,7 @@ static int es1371_midi_release(struct inode *inode, struct file *file)
outl(s->ctrl, s->io+ES1371_REG_CONTROL);
}
spin_unlock_irqrestore(&s->lock, flags);
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
wake_up(&s->open_wait);
unlock_kernel();
return 0;
@@ -2884,7 +2885,7 @@ static int __devinit es1371_probe(struct pci_dev *pcidev, const struct pci_devic
init_waitqueue_head(&s->open_wait);
init_waitqueue_head(&s->midi.iwait);
init_waitqueue_head(&s->midi.owait);
- init_MUTEX(&s->open_sem);
+ mutex_init(&s->open_mutex);
spin_lock_init(&s->lock);
s->magic = ES1371_MAGIC;
s->dev = pcidev;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.