diff options
Diffstat (limited to 'sound/oss/au1550_ac97.c')
| -rw-r--r-- | sound/oss/au1550_ac97.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/sound/oss/au1550_ac97.c b/sound/oss/au1550_ac97.c index 8a12621d8b3..a8f626d99c5 100644 --- a/sound/oss/au1550_ac97.c +++ b/sound/oss/au1550_ac97.c @@ -43,7 +43,6 @@ #include <linux/sound.h> #include <linux/slab.h> #include <linux/soundcard.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/kernel.h> @@ -77,6 +76,7 @@ /* Boot options * 0 = no VRA, 1 = use VRA if codec supports it */ +static DEFINE_MUTEX(au1550_ac97_mutex); static int vra = 1; module_param(vra, bool, 0); MODULE_PARM_DESC(vra, "if 1 use VRA if codec supports it"); @@ -798,9 +798,9 @@ au1550_llseek(struct file *file, loff_t offset, int origin) static int au1550_open_mixdev(struct inode *inode, struct file *file) { - lock_kernel(); + mutex_lock(&au1550_ac97_mutex); file->private_data = &au1550_state; - unlock_kernel(); + mutex_unlock(&au1550_ac97_mutex); return 0; } @@ -824,9 +824,9 @@ au1550_ioctl_mixdev(struct file *file, unsigned int cmd, unsigned long arg) struct ac97_codec *codec = s->codec; int ret; - lock_kernel(); + mutex_lock(&au1550_ac97_mutex); ret = mixdev_ioctl(codec, cmd, arg); - unlock_kernel(); + mutex_unlock(&au1550_ac97_mutex); return ret; } @@ -1255,7 +1255,7 @@ au1550_mmap(struct file *file, struct vm_area_struct *vma) unsigned long size; int ret = 0; - lock_kernel(); + mutex_lock(&au1550_ac97_mutex); mutex_lock(&s->sem); if (vma->vm_flags & VM_WRITE) db = &s->dma_dac; @@ -1283,7 +1283,7 @@ au1550_mmap(struct file *file, struct vm_area_struct *vma) db->mapped = 1; out: mutex_unlock(&s->sem); - unlock_kernel(); + mutex_unlock(&au1550_ac97_mutex); return ret; } @@ -1781,9 +1781,9 @@ au1550_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { int ret; - lock_kernel(); + mutex_lock(&au1550_ac97_mutex); ret = au1550_ioctl(file, cmd, arg); - unlock_kernel(); + mutex_unlock(&au1550_ac97_mutex); return ret; } @@ -1804,7 +1804,7 @@ au1550_open(struct inode *inode, struct file *file) #endif file->private_data = s; - lock_kernel(); + mutex_lock(&au1550_ac97_mutex); /* wait for device to become free */ mutex_lock(&s->open_mutex); while (s->open_mode & file->f_mode) { @@ -1861,7 +1861,7 @@ au1550_open(struct inode *inode, struct file *file) out: mutex_unlock(&s->open_mutex); out2: - unlock_kernel(); + mutex_unlock(&au1550_ac97_mutex); return ret; } @@ -1870,12 +1870,12 @@ au1550_release(struct inode *inode, struct file *file) { struct au1550_state *s = file->private_data; - lock_kernel(); + mutex_lock(&au1550_ac97_mutex); if (file->f_mode & FMODE_WRITE) { - unlock_kernel(); + mutex_unlock(&au1550_ac97_mutex); drain_dac(s, file->f_flags & O_NONBLOCK); - lock_kernel(); + mutex_lock(&au1550_ac97_mutex); } mutex_lock(&s->open_mutex); @@ -1892,7 +1892,7 @@ au1550_release(struct inode *inode, struct file *file) s->open_mode &= ((~file->f_mode) & (FMODE_READ|FMODE_WRITE)); mutex_unlock(&s->open_mutex); wake_up(&s->open_wait); - unlock_kernel(); + mutex_unlock(&au1550_ac97_mutex); return 0; } |