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path: root/drivers/usb/media/sn9c102_core.c
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Diffstat (limited to 'drivers/usb/media/sn9c102_core.c')
-rw-r--r--drivers/usb/media/sn9c102_core.c156
1 files changed, 78 insertions, 78 deletions
diff --git a/drivers/usb/media/sn9c102_core.c b/drivers/usb/media/sn9c102_core.c
index c81397e4714b..30119080871b 100644
--- a/drivers/usb/media/sn9c102_core.c
+++ b/drivers/usb/media/sn9c102_core.c
@@ -866,18 +866,18 @@ static ssize_t sn9c102_show_reg(struct class_device* cd, char* buf)
struct sn9c102_device* cam;
ssize_t count;
- if (down_interruptible(&sn9c102_sysfs_lock))
+ if (mutex_lock_interruptible(&sn9c102_sysfs_lock))
return -ERESTARTSYS;
cam = video_get_drvdata(to_video_device(cd));
if (!cam) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -ENODEV;
}
count = sprintf(buf, "%u\n", cam->sysfs.reg);
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return count;
}
@@ -890,18 +890,18 @@ sn9c102_store_reg(struct class_device* cd, const char* buf, size_t len)
u8 index;
ssize_t count;
- if (down_interruptible(&sn9c102_sysfs_lock))
+ if (mutex_lock_interruptible(&sn9c102_sysfs_lock))
return -ERESTARTSYS;
cam = video_get_drvdata(to_video_device(cd));
if (!cam) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -ENODEV;
}
index = sn9c102_strtou8(buf, len, &count);
if (index > 0x1f || !count) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -EINVAL;
}
@@ -910,7 +910,7 @@ sn9c102_store_reg(struct class_device* cd, const char* buf, size_t len)
DBG(2, "Moved SN9C10X register index to 0x%02X", cam->sysfs.reg);
DBG(3, "Written bytes: %zd", count);
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return count;
}
@@ -922,17 +922,17 @@ static ssize_t sn9c102_show_val(struct class_device* cd, char* buf)
ssize_t count;
int val;
- if (down_interruptible(&sn9c102_sysfs_lock))
+ if (mutex_lock_interruptible(&sn9c102_sysfs_lock))
return -ERESTARTSYS;
cam = video_get_drvdata(to_video_device(cd));
if (!cam) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -ENODEV;
}
if ((val = sn9c102_read_reg(cam, cam->sysfs.reg)) < 0) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -EIO;
}
@@ -940,7 +940,7 @@ static ssize_t sn9c102_show_val(struct class_device* cd, char* buf)
DBG(3, "Read bytes: %zd", count);
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return count;
}
@@ -954,24 +954,24 @@ sn9c102_store_val(struct class_device* cd, const char* buf, size_t len)
ssize_t count;
int err;
- if (down_interruptible(&sn9c102_sysfs_lock))
+ if (mutex_lock_interruptible(&sn9c102_sysfs_lock))
return -ERESTARTSYS;
cam = video_get_drvdata(to_video_device(cd));
if (!cam) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -ENODEV;
}
value = sn9c102_strtou8(buf, len, &count);
if (!count) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -EINVAL;
}
err = sn9c102_write_reg(cam, value, cam->sysfs.reg);
if (err) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -EIO;
}
@@ -979,7 +979,7 @@ sn9c102_store_val(struct class_device* cd, const char* buf, size_t len)
cam->sysfs.reg, value);
DBG(3, "Written bytes: %zd", count);
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return count;
}
@@ -990,12 +990,12 @@ static ssize_t sn9c102_show_i2c_reg(struct class_device* cd, char* buf)
struct sn9c102_device* cam;
ssize_t count;
- if (down_interruptible(&sn9c102_sysfs_lock))
+ if (mutex_lock_interruptible(&sn9c102_sysfs_lock))
return -ERESTARTSYS;
cam = video_get_drvdata(to_video_device(cd));
if (!cam) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -ENODEV;
}
@@ -1003,7 +1003,7 @@ static ssize_t sn9c102_show_i2c_reg(struct class_device* cd, char* buf)
DBG(3, "Read bytes: %zd", count);
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return count;
}
@@ -1016,18 +1016,18 @@ sn9c102_store_i2c_reg(struct class_device* cd, const char* buf, size_t len)
u8 index;
ssize_t count;
- if (down_interruptible(&sn9c102_sysfs_lock))
+ if (mutex_lock_interruptible(&sn9c102_sysfs_lock))
return -ERESTARTSYS;
cam = video_get_drvdata(to_video_device(cd));
if (!cam) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -ENODEV;
}
index = sn9c102_strtou8(buf, len, &count);
if (!count) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -EINVAL;
}
@@ -1036,7 +1036,7 @@ sn9c102_store_i2c_reg(struct class_device* cd, const char* buf, size_t len)
DBG(2, "Moved sensor register index to 0x%02X", cam->sysfs.i2c_reg);
DBG(3, "Written bytes: %zd", count);
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return count;
}
@@ -1048,22 +1048,22 @@ static ssize_t sn9c102_show_i2c_val(struct class_device* cd, char* buf)
ssize_t count;
int val;
- if (down_interruptible(&sn9c102_sysfs_lock))
+ if (mutex_lock_interruptible(&sn9c102_sysfs_lock))
return -ERESTARTSYS;
cam = video_get_drvdata(to_video_device(cd));
if (!cam) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -ENODEV;
}
if (!(cam->sensor->sysfs_ops & SN9C102_I2C_READ)) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -ENOSYS;
}
if ((val = sn9c102_i2c_read(cam, cam->sysfs.i2c_reg)) < 0) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -EIO;
}
@@ -1071,7 +1071,7 @@ static ssize_t sn9c102_show_i2c_val(struct class_device* cd, char* buf)
DBG(3, "Read bytes: %zd", count);
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return count;
}
@@ -1085,29 +1085,29 @@ sn9c102_store_i2c_val(struct class_device* cd, const char* buf, size_t len)
ssize_t count;
int err;
- if (down_interruptible(&sn9c102_sysfs_lock))
+ if (mutex_lock_interruptible(&sn9c102_sysfs_lock))
return -ERESTARTSYS;
cam = video_get_drvdata(to_video_device(cd));
if (!cam) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -ENODEV;
}
if (!(cam->sensor->sysfs_ops & SN9C102_I2C_WRITE)) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -ENOSYS;
}
value = sn9c102_strtou8(buf, len, &count);
if (!count) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -EINVAL;
}
err = sn9c102_i2c_write(cam, cam->sysfs.i2c_reg, value);
if (err) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -EIO;
}
@@ -1115,7 +1115,7 @@ sn9c102_store_i2c_val(struct class_device* cd, const char* buf, size_t len)
cam->sysfs.i2c_reg, value);
DBG(3, "Written bytes: %zd", count);
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return count;
}
@@ -1130,18 +1130,18 @@ sn9c102_store_green(struct class_device* cd, const char* buf, size_t len)
u8 value;
ssize_t count;
- if (down_interruptible(&sn9c102_sysfs_lock))
+ if (mutex_lock_interruptible(&sn9c102_sysfs_lock))
return -ERESTARTSYS;
cam = video_get_drvdata(to_video_device(cd));
if (!cam) {
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
return -ENODEV;
}
bridge = cam->bridge;
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
value = sn9c102_strtou8(buf, len, &count);
if (!count)
@@ -1404,7 +1404,7 @@ static int sn9c102_init(struct sn9c102_device* cam)
}
if (!(cam->state & DEV_INITIALIZED)) {
- init_MUTEX(&cam->fileop_sem);
+ mutex_init(&cam->fileop_mutex);
spin_lock_init(&cam->queue_lock);
init_waitqueue_head(&cam->wait_frame);
init_waitqueue_head(&cam->wait_stream);
@@ -1422,13 +1422,13 @@ static int sn9c102_init(struct sn9c102_device* cam)
static void sn9c102_release_resources(struct sn9c102_device* cam)
{
- down(&sn9c102_sysfs_lock);
+ mutex_lock(&sn9c102_sysfs_lock);
DBG(2, "V4L2 device /dev/video%d deregistered", cam->v4ldev->minor);
video_set_drvdata(cam->v4ldev, NULL);
video_unregister_device(cam->v4ldev);
- up(&sn9c102_sysfs_lock);
+ mutex_unlock(&sn9c102_sysfs_lock);
kfree(cam->control_buffer);
}
@@ -1449,7 +1449,7 @@ static int sn9c102_open(struct inode* inode, struct file* filp)
cam = video_get_drvdata(video_devdata(filp));
- if (down_interruptible(&cam->dev_sem)) {
+ if (mutex_lock_interruptible(&cam->dev_mutex)) {
up_read(&sn9c102_disconnect);
return -ERESTARTSYS;
}
@@ -1461,7 +1461,7 @@ static int sn9c102_open(struct inode* inode, struct file* filp)
err = -EWOULDBLOCK;
goto out;
}
- up(&cam->dev_sem);
+ mutex_unlock(&cam->dev_mutex);
err = wait_event_interruptible_exclusive(cam->open,
cam->state & DEV_DISCONNECTED
|| !cam->users);
@@ -1473,7 +1473,7 @@ static int sn9c102_open(struct inode* inode, struct file* filp)
up_read(&sn9c102_disconnect);
return -ENODEV;
}
- down(&cam->dev_sem);
+ mutex_lock(&cam->dev_mutex);
}
@@ -1501,7 +1501,7 @@ static int sn9c102_open(struct inode* inode, struct file* filp)
DBG(3, "Video device /dev/video%d is open", cam->v4ldev->minor);
out:
- up(&cam->dev_sem);
+ mutex_unlock(&cam->dev_mutex);
up_read(&sn9c102_disconnect);
return err;
}
@@ -1511,7 +1511,7 @@ static int sn9c102_release(struct inode* inode, struct file* filp)
{
struct sn9c102_device* cam = video_get_drvdata(video_devdata(filp));
- down(&cam->dev_sem); /* prevent disconnect() to be called */
+ mutex_lock(&cam->dev_mutex); /* prevent disconnect() to be called */
sn9c102_stop_transfer(cam);
@@ -1519,7 +1519,7 @@ static int sn9c102_release(struct inode* inode, struct file* filp)
if (cam->state & DEV_DISCONNECTED) {
sn9c102_release_resources(cam);
- up(&cam->dev_sem);
+ mutex_unlock(&cam->dev_mutex);
kfree(cam);
return 0;
}
@@ -1529,7 +1529,7 @@ static int sn9c102_release(struct inode* inode, struct file* filp)
DBG(3, "Video device /dev/video%d closed", cam->v4ldev->minor);
- up(&cam->dev_sem);
+ mutex_unlock(&cam->dev_mutex);
return 0;
}
@@ -1543,33 +1543,33 @@ sn9c102_read(struct file* filp, char __user * buf, size_t count, loff_t* f_pos)
unsigned long lock_flags;
int err = 0;
- if (down_interruptible(&cam->fileop_sem))
+ if (mutex_lock_interruptible(&cam->fileop_mutex))
return -ERESTARTSYS;
if (cam->state & DEV_DISCONNECTED) {
DBG(1, "Device not present");
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return -ENODEV;
}
if (cam->state & DEV_MISCONFIGURED) {
DBG(1, "The camera is misconfigured. Close and open it "
"again.");
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return -EIO;
}
if (cam->io == IO_MMAP) {
DBG(3, "Close and open the device again to choose "
"the read method");
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return -EINVAL;
}
if (cam->io == IO_NONE) {
if (!sn9c102_request_buffers(cam,cam->nreadbuffers, IO_READ)) {
DBG(1, "read() failed, not enough memory");
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return -ENOMEM;
}
cam->io = IO_READ;
@@ -1583,13 +1583,13 @@ sn9c102_read(struct file* filp, char __user * buf, size_t count, loff_t* f_pos)
}
if (!count) {
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return 0;
}
if (list_empty(&cam->outqueue)) {
if (filp->f_flags & O_NONBLOCK) {
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return -EAGAIN;
}
err = wait_event_interruptible
@@ -1598,15 +1598,15 @@ sn9c102_read(struct file* filp, char __user * buf, size_t count, loff_t* f_pos)
(cam->state & DEV_DISCONNECTED) ||
(cam->state & DEV_MISCONFIGURED) );
if (err) {
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return err;
}
if (cam->state & DEV_DISCONNECTED) {
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return -ENODEV;
}
if (cam->state & DEV_MISCONFIGURED) {
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return -EIO;
}
}
@@ -1634,7 +1634,7 @@ exit:
PDBGG("Frame #%lu, bytes read: %zu",
(unsigned long)f->buf.index, count);
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return count;
}
@@ -1647,7 +1647,7 @@ static unsigned int sn9c102_poll(struct file *filp, poll_table *wait)
unsigned long lock_flags;
unsigned int mask = 0;
- if (down_interruptible(&cam->fileop_sem))
+ if (mutex_lock_interruptible(&cam->fileop_mutex))
return POLLERR;
if (cam->state & DEV_DISCONNECTED) {
@@ -1685,12 +1685,12 @@ static unsigned int sn9c102_poll(struct file *filp, poll_table *wait)
if (!list_empty(&cam->outqueue))
mask |= POLLIN | POLLRDNORM;
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return mask;
error:
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return POLLERR;
}
@@ -1724,25 +1724,25 @@ static int sn9c102_mmap(struct file* filp, struct vm_area_struct *vma)
void *pos;
u32 i;
- if (down_interruptible(&cam->fileop_sem))
+ if (mutex_lock_interruptible(&cam->fileop_mutex))
return -ERESTARTSYS;
if (cam->state & DEV_DISCONNECTED) {
DBG(1, "Device not present");
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return -ENODEV;
}
if (cam->state & DEV_MISCONFIGURED) {
DBG(1, "The camera is misconfigured. Close and open it "
"again.");
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return -EIO;
}
if (cam->io != IO_MMAP || !(vma->vm_flags & VM_WRITE) ||
size != PAGE_ALIGN(cam->frame[0].buf.length)) {
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return -EINVAL;
}
@@ -1751,7 +1751,7 @@ static int sn9c102_mmap(struct file* filp, struct vm_area_struct *vma)
break;
}
if (i == cam->nbuffers) {
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return -EINVAL;
}
@@ -1761,7 +1761,7 @@ static int sn9c102_mmap(struct file* filp, struct vm_area_struct *vma)
pos = cam->frame[i].bufmem;
while (size > 0) { /* size is page-aligned */
if (vm_insert_page(vma, start, vmalloc_to_page(pos))) {
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return -EAGAIN;
}
start += PAGE_SIZE;
@@ -1774,7 +1774,7 @@ static int sn9c102_mmap(struct file* filp, struct vm_area_struct *vma)
sn9c102_vm_open(vma);
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return 0;
}
@@ -2655,19 +2655,19 @@ static int sn9c102_ioctl(struct inode* inode, struct file* filp,
struct sn9c102_device* cam = video_get_drvdata(video_devdata(filp));
int err = 0;
- if (down_interruptible(&cam->fileop_sem))
+ if (mutex_lock_interruptible(&cam->fileop_mutex))
return -ERESTARTSYS;
if (cam->state & DEV_DISCONNECTED) {
DBG(1, "Device not present");
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return -ENODEV;
}
if (cam->state & DEV_MISCONFIGURED) {
DBG(1, "The camera is misconfigured. Close and open it "
"again.");
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return -EIO;
}
@@ -2675,7 +2675,7 @@ static int sn9c102_ioctl(struct inode* inode, struct file* filp,
err = sn9c102_ioctl_v4l2(inode, filp, cmd, (void __user *)arg);
- up(&cam->fileop_sem);
+ mutex_unlock(&cam->fileop_mutex);
return err;
}
@@ -2722,7 +2722,7 @@ sn9c102_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
goto fail;
}
- init_MUTEX(&cam->dev_sem);
+ mutex_init(&cam->dev_mutex);
r = sn9c102_read_reg(cam, 0x00);
if (r < 0 || r != 0x10) {
@@ -2776,7 +2776,7 @@ sn9c102_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
cam->v4ldev->release = video_device_release;
video_set_drvdata(cam->v4ldev, cam);
- down(&cam->dev_sem);
+ mutex_lock(&cam->dev_mutex);
err = video_register_device(cam->v4ldev, VFL_TYPE_GRABBER,
video_nr[dev_nr]);
@@ -2786,7 +2786,7 @@ sn9c102_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
DBG(1, "Free /dev/videoX node not found");
video_nr[dev_nr] = -1;
dev_nr = (dev_nr < SN9C102_MAX_DEVICES-1) ? dev_nr+1 : 0;
- up(&cam->dev_sem);
+ mutex_unlock(&cam->dev_mutex);
goto fail;
}
@@ -2803,7 +2803,7 @@ sn9c102_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
usb_set_intfdata(intf, cam);
- up(&cam->dev_sem);
+ mutex_unlock(&cam->dev_mutex);
return 0;
@@ -2827,7 +2827,7 @@ static void sn9c102_usb_disconnect(struct usb_interface* intf)
down_write(&sn9c102_disconnect);
- down(&cam->dev_sem);
+ mutex_lock(&cam->dev_mutex);
DBG(2, "Disconnecting %s...", cam->v4ldev->name);
@@ -2847,7 +2847,7 @@ static void sn9c102_usb_disconnect(struct usb_interface* intf)
sn9c102_release_resources(cam);
}
- up(&cam->dev_sem);
+ mutex_unlock(&cam->dev_mutex);
if (!cam->users)
kfree(cam);