#include <linux/smp_lock.h>
#include <linux/ac97_codec.h>
#include <linux/interrupt.h>
+#include <linux/mutex.h>
+
#include <asm/io.h>
#include <asm/dma.h>
#include <asm/uaccess.h>
unsigned dacrate, adcrate;
spinlock_t lock;
- struct semaphore open_sem;
+ struct mutex open_mutex;
mode_t open_mode;
wait_queue_head_t open_wait;
}
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);
}
spin_lock_irqsave(&s->lock, flags);
spin_unlock_irqrestore(&s->lock, flags);
s->open_mode |= (file->f_mode & (FMODE_READ | FMODE_WRITE));
- up(&s->open_sem);
+ mutex_unlock(&s->open_mutex);
return nonseekable_open(inode, file);
}
struct it8172_state *s = (struct it8172_state *)file->private_data;
#ifdef IT8172_VERBOSE_DEBUG
- dbg(__FUNCTION__);
+ dbg("%s", __FUNCTION__);
#endif
lock_kernel();
if (file->f_mode & FMODE_WRITE)
drain_dac(s, file->f_flags & O_NONBLOCK);
- down(&s->open_sem);
+ mutex_lock(&s->open_mutex);
if (file->f_mode & FMODE_WRITE) {
stop_dac(s);
dealloc_dmabuf(s, &s->dma_dac);
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;
static unsigned int devindex;
-MODULE_PARM(spdif, "1-" __MODULE_STRING(NR_DEVICE) "i");
+module_param_array(spdif, int, NULL, 0);
MODULE_PARM_DESC(spdif, "if 1 the S/PDIF digital output is enabled");
-MODULE_PARM(i2s_fmt, "1-" __MODULE_STRING(NR_DEVICE) "i");
+module_param_array(i2s_fmt, int, NULL, 0);
MODULE_PARM_DESC(i2s_fmt, "the format of I2S");
MODULE_AUTHOR("Monta Vista Software, stevel@mvista.com");
init_waitqueue_head(&s->dma_adc.wait);
init_waitqueue_head(&s->dma_dac.wait);
init_waitqueue_head(&s->open_wait);
- init_MUTEX(&s->open_sem);
+ mutex_init(&s->open_mutex);
spin_lock_init(&s->lock);
s->dev = pcidev;
s->io = pci_resource_start(pcidev, 0);
static int __init init_it8172(void)
{
info("version v0.5 time " __TIME__ " " __DATE__);
- return pci_module_init(&it8172_driver);
+ return pci_register_driver(&it8172_driver);
}
static void __exit cleanup_it8172(void)