Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / sound / oss / au1000.c
index 4491733..eacb0ae 100644 (file)
@@ -68,6 +68,8 @@
 #include <linux/smp_lock.h>
 #include <linux/ac97_codec.h>
 #include <linux/interrupt.h>
+#include <linux/mutex.h>
+
 #include <asm/io.h>
 #include <asm/uaccess.h>
 #include <asm/mach-au1x00/au1000.h>
 
 /* Boot options */
 static int      vra = 0;       // 0 = no VRA, 1 = use VRA if codec supports it
-MODULE_PARM(vra, "i");
+module_param(vra, bool, 0);
 MODULE_PARM_DESC(vra, "if 1 use VRA if codec supports it");
 
 
@@ -120,8 +122,8 @@ struct au1000_state {
        int             no_vra; // do not use VRA
 
        spinlock_t      lock;
-       struct semaphore open_sem;
-       struct semaphore sem;
+       struct mutex open_mutex;
+       struct mutex sem;
        mode_t          open_mode;
        wait_queue_head_t open_wait;
 
@@ -563,7 +565,7 @@ static void start_adc(struct au1000_state *s)
 #define DMABUF_DEFAULTORDER (17-PAGE_SHIFT)
 #define DMABUF_MINORDER 1
 
-extern inline void dealloc_dmabuf(struct au1000_state *s, struct dmabuf *db)
+static inline void dealloc_dmabuf(struct au1000_state *s, struct dmabuf *db)
 {
        struct page    *page, *pend;
 
@@ -667,14 +669,14 @@ static int prog_dmabuf(struct au1000_state *s, struct dmabuf *db)
        return 0;
 }
 
-extern inline int prog_dmabuf_adc(struct au1000_state *s)
+static inline int prog_dmabuf_adc(struct au1000_state *s)
 {
        stop_adc(s);
        return prog_dmabuf(s, &s->dma_adc);
 
 }
 
-extern inline int prog_dmabuf_dac(struct au1000_state *s)
+static inline int prog_dmabuf_dac(struct au1000_state *s)
 {
        stop_dac(s);
        return prog_dmabuf(s, &s->dma_dac);
@@ -1106,7 +1108,7 @@ static ssize_t au1000_read(struct file *file, char *buffer,
 
        count *= db->cnt_factor;
 
-       down(&s->sem);
+       mutex_lock(&s->sem);
        add_wait_queue(&db->wait, &wait);
 
        while (count > 0) {
@@ -1125,14 +1127,14 @@ static ssize_t au1000_read(struct file *file, char *buffer,
                                                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);
                        }
                } while (avail <= 0);
 
@@ -1159,7 +1161,7 @@ static ssize_t au1000_read(struct file *file, char *buffer,
        }                       // while (count > 0)
 
 out:
-       up(&s->sem);
+       mutex_unlock(&s->sem);
 out2:
        remove_wait_queue(&db->wait, &wait);
        set_current_state(TASK_RUNNING);
@@ -1187,7 +1189,7 @@ static ssize_t au1000_write(struct file *file, const char *buffer,
 
        count *= db->cnt_factor;
 
-       down(&s->sem);  
+       mutex_lock(&s->sem);
        add_wait_queue(&db->wait, &wait);
 
        while (count > 0) {
@@ -1204,14 +1206,14 @@ static ssize_t au1000_write(struct file *file, const char *buffer,
                                                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);
                        }
                } while (avail <= 0);
 
@@ -1240,7 +1242,7 @@ static ssize_t au1000_write(struct file *file, const char *buffer,
        }                       // while (count > 0)
 
 out:
-       up(&s->sem);
+       mutex_unlock(&s->sem);
 out2:
        remove_wait_queue(&db->wait, &wait);
        set_current_state(TASK_RUNNING);
@@ -1295,10 +1297,10 @@ static int au1000_mmap(struct file *file, struct vm_area_struct *vma)
        unsigned long   size;
        int ret = 0;
 
-       dbg(__FUNCTION__);
+       dbg("%s", __FUNCTION__);
     
        lock_kernel();
-       down(&s->sem);
+       mutex_lock(&s->sem);
        if (vma->vm_flags & VM_WRITE)
                db = &s->dma_dac;
        else if (vma->vm_flags & VM_READ)
@@ -1324,7 +1326,7 @@ static int au1000_mmap(struct file *file, struct vm_area_struct *vma)
        vma->vm_flags &= ~VM_IO;
        db->mapped = 1;
 out:
-       up(&s->sem);
+       mutex_unlock(&s->sem);
        unlock_kernel();
        return ret;
 }
@@ -1829,21 +1831,21 @@ static int  au1000_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);
        }
 
        stop_dac(s);
@@ -1879,8 +1881,8 @@ static int  au1000_open(struct inode *inode, struct file *file)
        }
 
        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);
 }
 
@@ -1896,7 +1898,7 @@ static int au1000_release(struct inode *inode, struct file *file)
                lock_kernel();
        }
 
-       down(&s->open_sem);
+       mutex_lock(&s->open_mutex);
        if (file->f_mode & FMODE_WRITE) {
                stop_dac(s);
                dealloc_dmabuf(s, &s->dma_dac);
@@ -1906,7 +1908,7 @@ static int au1000_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;
@@ -1996,7 +1998,7 @@ static int __devinit au1000_probe(void)
        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->codec.private_data = s;
        s->codec.id = 0;