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Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/ppdev.c192
1 files changed, 96 insertions, 96 deletions
diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index 9e98d0153148..80ab757de8d3 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -106,13 +106,13 @@ static DEFINE_MUTEX(pp_do_mutex);
#define PPGETTIME64 _IOR(PP_IOCTL, 0x95, s64[2])
#define PPSETTIME64 _IOW(PP_IOCTL, 0x96, s64[2])
-static inline void pp_enable_irq (struct pp_struct *pp)
+static inline void pp_enable_irq(struct pp_struct *pp)
{
struct parport *port = pp->pdev->port;
- port->ops->enable_irq (port);
+ port->ops->enable_irq(port);
}
-static ssize_t pp_read (struct file * file, char __user * buf, size_t count,
+static ssize_t pp_read(struct file * file, char __user * buf, size_t count,
loff_t * ppos)
{
unsigned int minor = iminor(file_inode(file));
@@ -139,7 +139,7 @@ static ssize_t pp_read (struct file * file, char __user * buf, size_t count,
pport = pp->pdev->port;
mode = pport->ieee1284.mode & ~(IEEE1284_DEVICEID | IEEE1284_ADDR);
- parport_set_timeout (pp->pdev,
+ parport_set_timeout(pp->pdev,
(file->f_flags & O_NONBLOCK) ?
PARPORT_INACTIVITY_O_NONBLOCK :
pp->default_inactivity);
@@ -165,7 +165,7 @@ static ssize_t pp_read (struct file * file, char __user * buf, size_t count,
}
bytes_read = (*fn)(pport, kbuffer, need, flags);
} else {
- bytes_read = parport_read (pport, kbuffer, need);
+ bytes_read = parport_read(pport, kbuffer, need);
}
if (bytes_read != 0)
@@ -176,7 +176,7 @@ static ssize_t pp_read (struct file * file, char __user * buf, size_t count,
break;
}
- if (signal_pending (current)) {
+ if (signal_pending(current)) {
bytes_read = -ERESTARTSYS;
break;
}
@@ -184,17 +184,17 @@ static ssize_t pp_read (struct file * file, char __user * buf, size_t count,
cond_resched();
}
- parport_set_timeout (pp->pdev, pp->default_inactivity);
+ parport_set_timeout(pp->pdev, pp->default_inactivity);
- if (bytes_read > 0 && copy_to_user (buf, kbuffer, bytes_read))
+ if (bytes_read > 0 && copy_to_user(buf, kbuffer, bytes_read))
bytes_read = -EFAULT;
- kfree (kbuffer);
- pp_enable_irq (pp);
+ kfree(kbuffer);
+ pp_enable_irq(pp);
return bytes_read;
}
-static ssize_t pp_write (struct file * file, const char __user * buf,
+static ssize_t pp_write(struct file * file, const char __user * buf,
size_t count, loff_t * ppos)
{
unsigned int minor = iminor(file_inode(file));
@@ -218,7 +218,7 @@ static ssize_t pp_write (struct file * file, const char __user * buf,
pport = pp->pdev->port;
mode = pport->ieee1284.mode & ~(IEEE1284_DEVICEID | IEEE1284_ADDR);
- parport_set_timeout (pp->pdev,
+ parport_set_timeout(pp->pdev,
(file->f_flags & O_NONBLOCK) ?
PARPORT_INACTIVITY_O_NONBLOCK :
pp->default_inactivity);
@@ -226,7 +226,7 @@ static ssize_t pp_write (struct file * file, const char __user * buf,
while (bytes_written < count) {
ssize_t n = min_t(unsigned long, count - bytes_written, PP_BUFFER_SIZE);
- if (copy_from_user (kbuffer, buf + bytes_written, n)) {
+ if (copy_from_user(kbuffer, buf + bytes_written, n)) {
bytes_written = -EFAULT;
break;
}
@@ -234,14 +234,14 @@ static ssize_t pp_write (struct file * file, const char __user * buf,
if ((pp->flags & PP_FASTWRITE) && (mode == IEEE1284_MODE_EPP)) {
/* do a fast EPP write */
if (pport->ieee1284.mode & IEEE1284_ADDR) {
- wrote = pport->ops->epp_write_addr (pport,
+ wrote = pport->ops->epp_write_addr(pport,
kbuffer, n, PARPORT_EPP_FAST);
} else {
- wrote = pport->ops->epp_write_data (pport,
+ wrote = pport->ops->epp_write_data(pport,
kbuffer, n, PARPORT_EPP_FAST);
}
} else {
- wrote = parport_write (pp->pdev->port, kbuffer, n);
+ wrote = parport_write(pp->pdev->port, kbuffer, n);
}
if (wrote <= 0) {
@@ -259,33 +259,33 @@ static ssize_t pp_write (struct file * file, const char __user * buf,
break;
}
- if (signal_pending (current))
+ if (signal_pending(current))
break;
cond_resched();
}
- parport_set_timeout (pp->pdev, pp->default_inactivity);
+ parport_set_timeout(pp->pdev, pp->default_inactivity);
- kfree (kbuffer);
- pp_enable_irq (pp);
+ kfree(kbuffer);
+ pp_enable_irq(pp);
return bytes_written;
}
-static void pp_irq (void *private)
+static void pp_irq(void *private)
{
struct pp_struct *pp = private;
if (pp->irqresponse) {
- parport_write_control (pp->pdev->port, pp->irqctl);
+ parport_write_control(pp->pdev->port, pp->irqctl);
pp->irqresponse = 0;
}
- atomic_inc (&pp->irqc);
- wake_up_interruptible (&pp->irq_wait);
+ atomic_inc(&pp->irqc);
+ wake_up_interruptible(&pp->irq_wait);
}
-static int register_device (int minor, struct pp_struct *pp)
+static int register_device(int minor, struct pp_struct *pp)
{
struct parport *port;
struct pardevice * pdev = NULL;
@@ -296,21 +296,21 @@ static int register_device (int minor, struct pp_struct *pp)
if (name == NULL)
return -ENOMEM;
- port = parport_find_number (minor);
+ port = parport_find_number(minor);
if (!port) {
- printk (KERN_WARNING "%s: no associated port!\n", name);
- kfree (name);
+ printk(KERN_WARNING "%s: no associated port!\n", name);
+ kfree(name);
return -ENXIO;
}
fl = (pp->flags & PP_EXCL) ? PARPORT_FLAG_EXCL : 0;
- pdev = parport_register_device (port, name, NULL,
+ pdev = parport_register_device(port, name, NULL,
NULL, pp_irq, fl, pp);
- parport_put_port (port);
+ parport_put_port(port);
if (!pdev) {
- printk (KERN_WARNING "%s: failed to register device!\n", name);
- kfree (name);
+ printk(KERN_WARNING "%s: failed to register device!\n", name);
+ kfree(name);
return -ENXIO;
}
@@ -319,7 +319,7 @@ static int register_device (int minor, struct pp_struct *pp)
return 0;
}
-static enum ieee1284_phase init_phase (int mode)
+static enum ieee1284_phase init_phase(int mode)
{
switch (mode & ~(IEEE1284_DEVICEID
| IEEE1284_ADDR)) {
@@ -367,13 +367,13 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
/* Deferred device registration. */
if (!pp->pdev) {
- int err = register_device (minor, pp);
+ int err = register_device(minor, pp);
if (err) {
return err;
}
}
- ret = parport_claim_or_block (pp->pdev);
+ ret = parport_claim_or_block(pp->pdev);
if (ret < 0)
return ret;
@@ -381,7 +381,7 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
/* For interrupt-reporting to work, we need to be
* informed of each interrupt. */
- pp_enable_irq (pp);
+ pp_enable_irq(pp);
/* We may need to fix up the state machine. */
info = &pp->pdev->port->ieee1284;
@@ -389,8 +389,8 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
pp->saved_state.phase = info->phase;
info->mode = pp->state.mode;
info->phase = pp->state.phase;
- pp->default_inactivity = parport_set_timeout (pp->pdev, 0);
- parport_set_timeout (pp->pdev, pp->default_inactivity);
+ pp->default_inactivity = parport_set_timeout(pp->pdev, 0);
+ parport_set_timeout(pp->pdev, pp->default_inactivity);
return 0;
}
@@ -412,11 +412,11 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
case PPSETMODE:
{
int mode;
- if (copy_from_user (&mode, argp, sizeof (mode)))
+ if (copy_from_user(&mode, argp, sizeof(mode)))
return -EFAULT;
/* FIXME: validate mode */
pp->state.mode = mode;
- pp->state.phase = init_phase (mode);
+ pp->state.phase = init_phase(mode);
if (pp->flags & PP_CLAIMED) {
pp->pdev->port->ieee1284.mode = mode;
@@ -434,7 +434,7 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
} else {
mode = pp->state.mode;
}
- if (copy_to_user (argp, &mode, sizeof (mode))) {
+ if (copy_to_user(argp, &mode, sizeof(mode))) {
return -EFAULT;
}
return 0;
@@ -442,7 +442,7 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
case PPSETPHASE:
{
int phase;
- if (copy_from_user (&phase, argp, sizeof (phase))) {
+ if (copy_from_user(&phase, argp, sizeof(phase))) {
return -EFAULT;
}
/* FIXME: validate phase */
@@ -463,7 +463,7 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
} else {
phase = pp->state.phase;
}
- if (copy_to_user (argp, &phase, sizeof (phase))) {
+ if (copy_to_user(argp, &phase, sizeof(phase))) {
return -EFAULT;
}
return 0;
@@ -472,13 +472,13 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
unsigned int modes;
- port = parport_find_number (minor);
+ port = parport_find_number(minor);
if (!port)
return -ENODEV;
modes = port->modes;
parport_put_port(port);
- if (copy_to_user (argp, &modes, sizeof (modes))) {
+ if (copy_to_user(argp, &modes, sizeof(modes))) {
return -EFAULT;
}
return 0;
@@ -487,7 +487,7 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int uflags;
- if (copy_from_user (&uflags, argp, sizeof (uflags))) {
+ if (copy_from_user(&uflags, argp, sizeof(uflags))) {
return -EFAULT;
}
pp->flags &= ~PP_FLAGMASK;
@@ -499,7 +499,7 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
int uflags;
uflags = pp->flags & PP_FLAGMASK;
- if (copy_to_user (argp, &uflags, sizeof (uflags))) {
+ if (copy_to_user(argp, &uflags, sizeof(uflags))) {
return -EFAULT;
}
return 0;
@@ -525,22 +525,22 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
int ret;
case PPRSTATUS:
- reg = parport_read_status (port);
- if (copy_to_user (argp, &reg, sizeof (reg)))
+ reg = parport_read_status(port);
+ if (copy_to_user(argp, &reg, sizeof(reg)))
return -EFAULT;
return 0;
case PPRDATA:
- reg = parport_read_data (port);
- if (copy_to_user (argp, &reg, sizeof (reg)))
+ reg = parport_read_data(port);
+ if (copy_to_user(argp, &reg, sizeof(reg)))
return -EFAULT;
return 0;
case PPRCONTROL:
- reg = parport_read_control (port);
- if (copy_to_user (argp, &reg, sizeof (reg)))
+ reg = parport_read_control(port);
+ if (copy_to_user(argp, &reg, sizeof(reg)))
return -EFAULT;
return 0;
case PPYIELD:
- parport_yield_blocking (pp->pdev);
+ parport_yield_blocking(pp->pdev);
return 0;
case PPRELEASE:
@@ -550,45 +550,45 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
pp->state.phase = info->phase;
info->mode = pp->saved_state.mode;
info->phase = pp->saved_state.phase;
- parport_release (pp->pdev);
+ parport_release(pp->pdev);
pp->flags &= ~PP_CLAIMED;
return 0;
case PPWCONTROL:
- if (copy_from_user (&reg, argp, sizeof (reg)))
+ if (copy_from_user(&reg, argp, sizeof(reg)))
return -EFAULT;
- parport_write_control (port, reg);
+ parport_write_control(port, reg);
return 0;
case PPWDATA:
- if (copy_from_user (&reg, argp, sizeof (reg)))
+ if (copy_from_user(&reg, argp, sizeof(reg)))
return -EFAULT;
- parport_write_data (port, reg);
+ parport_write_data(port, reg);
return 0;
case PPFCONTROL:
- if (copy_from_user (&mask, argp,
- sizeof (mask)))
+ if (copy_from_user(&mask, argp,
+ sizeof(mask)))
return -EFAULT;
- if (copy_from_user (&reg, 1 + (unsigned char __user *) arg,
- sizeof (reg)))
+ if (copy_from_user(&reg, 1 + (unsigned char __user *) arg,
+ sizeof(reg)))
return -EFAULT;
- parport_frob_control (port, mask, reg);
+ parport_frob_control(port, mask, reg);
return 0;
case PPDATADIR:
- if (copy_from_user (&mode, argp, sizeof (mode)))
+ if (copy_from_user(&mode, argp, sizeof(mode)))
return -EFAULT;
if (mode)
- port->ops->data_reverse (port);
+ port->ops->data_reverse(port);
else
- port->ops->data_forward (port);
+ port->ops->data_forward(port);
return 0;
case PPNEGOT:
- if (copy_from_user (&mode, argp, sizeof (mode)))
+ if (copy_from_user(&mode, argp, sizeof(mode)))
return -EFAULT;
- switch ((ret = parport_negotiate (port, mode))) {
+ switch ((ret = parport_negotiate(port, mode))) {
case 0: break;
case -1: /* handshake failed, peripheral not IEEE 1284 */
ret = -EIO;
@@ -597,11 +597,11 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
ret = -ENXIO;
break;
}
- pp_enable_irq (pp);
+ pp_enable_irq(pp);
return ret;
case PPWCTLONIRQ:
- if (copy_from_user (&reg, argp, sizeof (reg)))
+ if (copy_from_user(&reg, argp, sizeof(reg)))
return -EFAULT;
/* Remember what to set the control lines to, for next
@@ -611,10 +611,10 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return 0;
case PPCLRIRQ:
- ret = atomic_read (&pp->irqc);
- if (copy_to_user (argp, &ret, sizeof (ret)))
+ ret = atomic_read(&pp->irqc);
+ if (copy_to_user(argp, &ret, sizeof(ret)))
return -EFAULT;
- atomic_sub (ret, &pp->irqc);
+ atomic_sub(ret, &pp->irqc);
return 0;
case PPSETTIME32:
@@ -679,7 +679,7 @@ static long pp_compat_ioctl(struct file *file, unsigned int cmd,
}
#endif
-static int pp_open (struct inode * inode, struct file * file)
+static int pp_open(struct inode * inode, struct file * file)
{
unsigned int minor = iminor(inode);
struct pp_struct *pp;
@@ -687,16 +687,16 @@ static int pp_open (struct inode * inode, struct file * file)
if (minor >= PARPORT_MAX)
return -ENXIO;
- pp = kmalloc (sizeof (struct pp_struct), GFP_KERNEL);
+ pp = kmalloc(sizeof(struct pp_struct), GFP_KERNEL);
if (!pp)
return -ENOMEM;
pp->state.mode = IEEE1284_MODE_COMPAT;
- pp->state.phase = init_phase (pp->state.mode);
+ pp->state.phase = init_phase(pp->state.mode);
pp->flags = 0;
pp->irqresponse = 0;
- atomic_set (&pp->irqc, 0);
- init_waitqueue_head (&pp->irq_wait);
+ atomic_set(&pp->irqc, 0);
+ init_waitqueue_head(&pp->irq_wait);
/* Defer the actual device registration until the first claim.
* That way, we know whether or not the driver wants to have
@@ -708,7 +708,7 @@ static int pp_open (struct inode * inode, struct file * file)
return 0;
}
-static int pp_release (struct inode * inode, struct file * file)
+static int pp_release(struct inode * inode, struct file * file)
{
unsigned int minor = iminor(inode);
struct pp_struct *pp = file->private_data;
@@ -720,7 +720,7 @@ static int pp_release (struct inode * inode, struct file * file)
struct ieee1284_info *info;
/* parport released, but not in compatibility mode */
- parport_claim_or_block (pp->pdev);
+ parport_claim_or_block(pp->pdev);
pp->flags |= PP_CLAIMED;
info = &pp->pdev->port->ieee1284;
pp->saved_state.mode = info->mode;
@@ -733,7 +733,7 @@ static int pp_release (struct inode * inode, struct file * file)
compat_negot = 2;
}
if (compat_negot) {
- parport_negotiate (pp->pdev->port, IEEE1284_MODE_COMPAT);
+ parport_negotiate(pp->pdev->port, IEEE1284_MODE_COMPAT);
pr_debug(CHRDEV "%x: negotiated back to compatibility "
"mode because user-space forgot\n", minor);
}
@@ -746,7 +746,7 @@ static int pp_release (struct inode * inode, struct file * file)
pp->state.phase = info->phase;
info->mode = pp->saved_state.mode;
info->phase = pp->saved_state.phase;
- parport_release (pp->pdev);
+ parport_release(pp->pdev);
if (compat_negot != 1) {
pr_debug(CHRDEV "%x: released pardevice "
"because user-space forgot\n", minor);
@@ -755,25 +755,25 @@ static int pp_release (struct inode * inode, struct file * file)
if (pp->pdev) {
const char *name = pp->pdev->name;
- parport_unregister_device (pp->pdev);
- kfree (name);
+ parport_unregister_device(pp->pdev);
+ kfree(name);
pp->pdev = NULL;
pr_debug(CHRDEV "%x: unregistered pardevice\n", minor);
}
- kfree (pp);
+ kfree(pp);
return 0;
}
/* No kernel lock held - fine */
-static unsigned int pp_poll (struct file * file, poll_table * wait)
+static unsigned int pp_poll(struct file * file, poll_table * wait)
{
struct pp_struct *pp = file->private_data;
unsigned int mask = 0;
- poll_wait (file, &pp->irq_wait, wait);
- if (atomic_read (&pp->irqc))
+ poll_wait(file, &pp->irq_wait, wait);
+ if (atomic_read(&pp->irqc))
mask |= POLLIN | POLLRDNORM;
return mask;
@@ -812,12 +812,12 @@ static struct parport_driver pp_driver = {
.detach = pp_detach,
};
-static int __init ppdev_init (void)
+static int __init ppdev_init(void)
{
int err = 0;
- if (register_chrdev (PP_MAJOR, CHRDEV, &pp_fops)) {
- printk (KERN_WARNING CHRDEV ": unable to get major %d\n",
+ if (register_chrdev(PP_MAJOR, CHRDEV, &pp_fops)) {
+ printk(KERN_WARNING CHRDEV ": unable to get major %d\n",
PP_MAJOR);
return -EIO;
}
@@ -828,11 +828,11 @@ static int __init ppdev_init (void)
}
err = parport_register_driver(&pp_driver);
if (err < 0) {
- printk (KERN_WARNING CHRDEV ": unable to register with parport\n");
+ printk(KERN_WARNING CHRDEV ": unable to register with parport\n");
goto out_class;
}
- printk (KERN_INFO PP_VERSION "\n");
+ printk(KERN_INFO PP_VERSION "\n");
goto out;
out_class:
@@ -843,12 +843,12 @@ out:
return err;
}
-static void __exit ppdev_cleanup (void)
+static void __exit ppdev_cleanup(void)
{
/* Clean up all parport stuff */
parport_unregister_driver(&pp_driver);
class_destroy(ppdev_class);
- unregister_chrdev (PP_MAJOR, CHRDEV);
+ unregister_chrdev(PP_MAJOR, CHRDEV);
}
module_init(ppdev_init);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-14 13:24:44 +0000