X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=sound%2Foss%2Fnec_vrc5477.c;h=21c1954d91080a086fb961d946d3d97b29577738;hb=69eb887b0c2380791d33f7c07bfba88d7c5cef15;hp=9ac4bf7e1e894f62d6048a11f40a8a6a996ef453;hpb=3b621ee5df437d3f332a635ab6421aaa61a7dc2b;p=linux-2.6 diff --git a/sound/oss/nec_vrc5477.c b/sound/oss/nec_vrc5477.c index 9ac4bf7e1e..21c1954d91 100644 --- a/sound/oss/nec_vrc5477.c +++ b/sound/oss/nec_vrc5477.c @@ -78,6 +78,8 @@ #include #include #include +#include + #include #include #include @@ -198,7 +200,7 @@ struct vrc5477_ac97_state { unsigned short extended_status; spinlock_t lock; - struct semaphore open_sem; + struct mutex open_mutex; mode_t open_mode; wait_queue_head_t open_wait; @@ -1617,22 +1619,22 @@ static int vrc5477_ac97_open(struct inode *inode, struct file *file) 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); @@ -1659,7 +1661,7 @@ static int vrc5477_ac97_open(struct inode *inode, struct file *file) bailout: spin_unlock_irqrestore(&s->lock, flags); - up(&s->open_sem); + mutex_unlock(&s->open_mutex); return ret; } @@ -1671,7 +1673,7 @@ static int vrc5477_ac97_release(struct inode *inode, struct file *file) 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); @@ -1681,7 +1683,7 @@ static int vrc5477_ac97_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; @@ -1867,7 +1869,7 @@ static int __devinit vrc5477_ac97_probe(struct pci_dev *pcidev, 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; @@ -2045,7 +2047,7 @@ static struct pci_driver vrc5477_ac97_driver = { static int __init init_vrc5477_ac97(void) { printk("Vrc5477 AC97 driver: version v0.2 time " __TIME__ " " __DATE__ " by Jun Sun\n"); - return pci_module_init(&vrc5477_ac97_driver); + return pci_register_driver(&vrc5477_ac97_driver); } static void __exit cleanup_vrc5477_ac97(void)