linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / sound / oss / es1370.c

diff --git a/sound/oss/es1370.c b/sound/oss/es1370.c
index 13f4831..ae55c53 100644 (file)
--- a/sound/oss/es1370.c
+++ b/sound/oss/es1370.c
@@ -157,7 +157,6 @@
 #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>
@@ -347,7 +346,7 @@ struct es1370_state {
        unsigned sctrl;
 
        spinlock_t lock;
-       struct mutex open_mutex;
+       struct semaphore open_sem;
        mode_t open_mode;
        wait_queue_head_t open_wait;
 
@@ -394,7 +393,7 @@ struct es1370_state {
        struct gameport *gameport;
 #endif
 
-       struct mutex mutex;
+       struct semaphore sem;
 };
 
 /* --------------------------------------------------------------------- */
@@ -1160,7 +1159,7 @@ static ssize_t es1370_read(struct file *file, char __user *buffer, size_t count,
                return -ENXIO;
        if (!access_ok(VERIFY_WRITE, buffer, count))
                return -EFAULT;
-       mutex_lock(&s->mutex);
+       down(&s->sem);  
        if (!s->dma_adc.ready && (ret = prog_dmabuf_adc(s)))
                goto out;
         
@@ -1184,14 +1183,14 @@ static ssize_t es1370_read(struct file *file, char __user *buffer, size_t count,
                                        ret = -EAGAIN;
                                goto out;
                        }
-                       mutex_unlock(&s->mutex);
+                       up(&s->sem);
                        schedule();
                        if (signal_pending(current)) {
                                if (!ret)
                                        ret = -ERESTARTSYS;
                                goto out;
                        }
-                       mutex_lock(&s->mutex);
+                       down(&s->sem);
                        if (s->dma_adc.mapped)
                        {
                                ret = -ENXIO;
@@ -1216,7 +1215,7 @@ static ssize_t es1370_read(struct file *file, char __user *buffer, size_t count,
                        start_adc(s);
        }
 out:
-       mutex_unlock(&s->mutex);
+       up(&s->sem);
         remove_wait_queue(&s->dma_adc.wait, &wait);
        set_current_state(TASK_RUNNING);
        return ret;
@@ -1236,7 +1235,7 @@ static ssize_t es1370_write(struct file *file, const char __user *buffer, size_t
                return -ENXIO;
        if (!access_ok(VERIFY_READ, buffer, count))
                return -EFAULT;
-       mutex_lock(&s->mutex);
+       down(&s->sem);  
        if (!s->dma_dac2.ready && (ret = prog_dmabuf_dac2(s)))
                goto out;
        ret = 0;
@@ -1264,14 +1263,14 @@ static ssize_t es1370_write(struct file *file, const char __user *buffer, size_t
                                        ret = -EAGAIN;
                                goto out;
                        }
-                       mutex_unlock(&s->mutex);
+                       up(&s->sem);
                        schedule();
                        if (signal_pending(current)) {
                                if (!ret)
                                        ret = -ERESTARTSYS;
                                goto out;       
                        }
-                       mutex_lock(&s->mutex);
+                       down(&s->sem);
                        if (s->dma_dac2.mapped)
                        {
                        ret = -ENXIO;
@@ -1297,7 +1296,7 @@ static ssize_t es1370_write(struct file *file, const char __user *buffer, size_t
                        start_dac2(s);
        }
 out:
-       mutex_unlock(&s->mutex);
+       up(&s->sem);
         remove_wait_queue(&s->dma_dac2.wait, &wait);
        set_current_state(TASK_RUNNING);
        return ret;
@@ -1349,7 +1348,7 @@ static int es1370_mmap(struct file *file, struct vm_area_struct *vma)
 
        VALIDATE_STATE(s);
        lock_kernel();
-       mutex_lock(&s->mutex);
+       down(&s->sem);
        if (vma->vm_flags & VM_WRITE) {
                if ((ret = prog_dmabuf_dac2(s)) != 0) {
                        goto out;
@@ -1381,7 +1380,7 @@ static int es1370_mmap(struct file *file, struct vm_area_struct *vma)
        }
        db->mapped = 1;
 out:
-       mutex_unlock(&s->mutex);
+       up(&s->sem);
        unlock_kernel();
        return ret;
 }
@@ -1753,21 +1752,21 @@ static int es1370_open(struct inode *inode, struct file *file)
                VALIDATE_STATE(s);
        file->private_data = s;
        /* wait for device to become free */
-       mutex_lock(&s->open_mutex);
+       down(&s->open_sem);
        while (s->open_mode & file->f_mode) {
                if (file->f_flags & O_NONBLOCK) {
-                       mutex_unlock(&s->open_mutex);
+                       up(&s->open_sem);
                        return -EBUSY;
                }
                add_wait_queue(&s->open_wait, &wait);
                __set_current_state(TASK_INTERRUPTIBLE);
-               mutex_unlock(&s->open_mutex);
+               up(&s->open_sem);
                schedule();
                remove_wait_queue(&s->open_wait, &wait);
                set_current_state(TASK_RUNNING);
                if (signal_pending(current))
                        return -ERESTARTSYS;
-               mutex_lock(&s->open_mutex);
+               down(&s->open_sem);
        }
        spin_lock_irqsave(&s->lock, flags);
        if (!(s->open_mode & (FMODE_READ|FMODE_WRITE)))
@@ -1794,8 +1793,8 @@ static int es1370_open(struct inode *inode, struct file *file)
        outl(s->ctrl, s->io+ES1370_REG_CONTROL);
        spin_unlock_irqrestore(&s->lock, flags);
        s->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
-       mutex_unlock(&s->open_mutex);
-       mutex_init(&s->mutex);
+       up(&s->open_sem);
+       init_MUTEX(&s->sem);
        return nonseekable_open(inode, file);
 }
 
@@ -1807,7 +1806,7 @@ static int es1370_release(struct inode *inode, struct file *file)
        lock_kernel();
        if (file->f_mode & FMODE_WRITE)
                drain_dac2(s, file->f_flags & O_NONBLOCK);
-       mutex_lock(&s->open_mutex);
+       down(&s->open_sem);
        if (file->f_mode & FMODE_WRITE) {
                stop_dac2(s);
                synchronize_irq(s->irq);
@@ -1819,7 +1818,7 @@ static int es1370_release(struct inode *inode, struct file *file)
        }
        s->open_mode &= ~(file->f_mode & (FMODE_READ|FMODE_WRITE));
        wake_up(&s->open_wait);
-       mutex_unlock(&s->open_mutex);
+       up(&s->open_sem);
        unlock_kernel();
        return 0;
 }
@@ -2199,21 +2198,21 @@ static int es1370_open_dac(struct inode *inode, struct file *file)
                return -EINVAL;
                file->private_data = s;
        /* wait for device to become free */
-       mutex_lock(&s->open_mutex);
+       down(&s->open_sem);
        while (s->open_mode & FMODE_DAC) {
                if (file->f_flags & O_NONBLOCK) {
-                       mutex_unlock(&s->open_mutex);
+                       up(&s->open_sem);
                        return -EBUSY;
                }
                add_wait_queue(&s->open_wait, &wait);
                __set_current_state(TASK_INTERRUPTIBLE);
-               mutex_unlock(&s->open_mutex);
+               up(&s->open_sem);
                schedule();
                remove_wait_queue(&s->open_wait, &wait);
                set_current_state(TASK_RUNNING);
                if (signal_pending(current))
                        return -ERESTARTSYS;
-               mutex_lock(&s->open_mutex);
+               down(&s->open_sem);
        }
        s->dma_dac1.ossfragshift = s->dma_dac1.ossmaxfrags = s->dma_dac1.subdivision = 0;
        s->dma_dac1.enabled = 1;
@@ -2228,7 +2227,7 @@ static int es1370_open_dac(struct inode *inode, struct file *file)
        outl(s->ctrl, s->io+ES1370_REG_CONTROL);
        spin_unlock_irqrestore(&s->lock, flags);
        s->open_mode |= FMODE_DAC;
-       mutex_unlock(&s->open_mutex);
+       up(&s->open_sem);
        return nonseekable_open(inode, file);
 }
 
@@ -2239,12 +2238,12 @@ static int es1370_release_dac(struct inode *inode, struct file *file)
        VALIDATE_STATE(s);
        lock_kernel();
        drain_dac1(s, file->f_flags & O_NONBLOCK);
-       mutex_lock(&s->open_mutex);
+       down(&s->open_sem);
        stop_dac1(s);
        dealloc_dmabuf(s, &s->dma_dac1);
        s->open_mode &= ~FMODE_DAC;
        wake_up(&s->open_wait);
-       mutex_unlock(&s->open_mutex);
+       up(&s->open_sem);
        unlock_kernel();
        return 0;
 }
@@ -2431,21 +2430,21 @@ static int es1370_midi_open(struct inode *inode, struct file *file)
                VALIDATE_STATE(s);
        file->private_data = s;
        /* wait for device to become free */
-       mutex_lock(&s->open_mutex);
+       down(&s->open_sem);
        while (s->open_mode & (file->f_mode << FMODE_MIDI_SHIFT)) {
                if (file->f_flags & O_NONBLOCK) {
-                       mutex_unlock(&s->open_mutex);
+                       up(&s->open_sem);
                        return -EBUSY;
                }
                add_wait_queue(&s->open_wait, &wait);
                __set_current_state(TASK_INTERRUPTIBLE);
-               mutex_unlock(&s->open_mutex);
+               up(&s->open_sem);
                schedule();
                remove_wait_queue(&s->open_wait, &wait);
                set_current_state(TASK_RUNNING);
                if (signal_pending(current))
                        return -ERESTARTSYS;
-               mutex_lock(&s->open_mutex);
+               down(&s->open_sem);
        }
        spin_lock_irqsave(&s->lock, flags);
        if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) {
@@ -2466,7 +2465,7 @@ static int es1370_midi_open(struct inode *inode, struct file *file)
        es1370_handle_midi(s);
        spin_unlock_irqrestore(&s->lock, flags);
        s->open_mode |= (file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ | FMODE_MIDI_WRITE);
-       mutex_unlock(&s->open_mutex);
+       up(&s->open_sem);
        return nonseekable_open(inode, file);
 }
 
@@ -2500,7 +2499,7 @@ static int es1370_midi_release(struct inode *inode, struct file *file)
                remove_wait_queue(&s->midi.owait, &wait);
                set_current_state(TASK_RUNNING);
        }
-       mutex_lock(&s->open_mutex);
+       down(&s->open_sem);
        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))) {
@@ -2509,7 +2508,7 @@ static int es1370_midi_release(struct inode *inode, struct file *file)
        }
        spin_unlock_irqrestore(&s->lock, flags);
        wake_up(&s->open_wait);
-       mutex_unlock(&s->open_mutex);
+       up(&s->open_sem);
        unlock_kernel();
        return 0;
 }
@@ -2639,7 +2638,7 @@ static int __devinit es1370_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);
-       mutex_init(&s->open_mutex);
+       init_MUTEX(&s->open_sem);
        spin_lock_init(&s->lock);
        s->magic = ES1370_MAGIC;
        s->dev = pcidev;
@@ -2650,7 +2649,7 @@ static int __devinit es1370_probe(struct pci_dev *pcidev, const struct pci_devic
                ret = -EBUSY;
                goto err_region;
        }
-       if ((ret=request_irq(s->irq, es1370_interrupt, IRQF_SHARED, "es1370",s))) {
+       if ((ret=request_irq(s->irq, es1370_interrupt, SA_SHIRQ, "es1370",s))) {
                printk(KERN_ERR "es1370: irq %u in use\n", s->irq);
                goto err_irq;
        }