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path: root/drivers/char
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Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/lp.c184
1 files changed, 92 insertions, 92 deletions
diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index 017ea457a9d7..e0a92d764eee 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -166,7 +166,7 @@ static struct parport *console_registered;
static void lp_claim_parport_or_block(struct lp_struct *this_lp)
{
if (!test_and_set_bit(LP_PARPORT_CLAIMED, &this_lp->bits)) {
- parport_claim_or_block (this_lp->dev);
+ parport_claim_or_block(this_lp->dev);
}
}
@@ -174,7 +174,7 @@ static void lp_claim_parport_or_block(struct lp_struct *this_lp)
static void lp_release_parport(struct lp_struct *this_lp)
{
if (test_and_clear_bit(LP_PARPORT_CLAIMED, &this_lp->bits)) {
- parport_release (this_lp->dev);
+ parport_release(this_lp->dev);
}
}
@@ -194,9 +194,9 @@ static int lp_preempt(void *handle)
*/
static int lp_negotiate(struct parport *port, int mode)
{
- if (parport_negotiate (port, mode) != 0) {
+ if (parport_negotiate(port, mode) != 0) {
mode = IEEE1284_MODE_COMPAT;
- parport_negotiate (port, mode);
+ parport_negotiate(port, mode);
}
return mode;
@@ -205,16 +205,16 @@ static int lp_negotiate(struct parport *port, int mode)
static int lp_reset(int minor)
{
int retval;
- lp_claim_parport_or_block (&lp_table[minor]);
+ lp_claim_parport_or_block(&lp_table[minor]);
w_ctr(minor, LP_PSELECP);
- udelay (LP_DELAY);
+ udelay(LP_DELAY);
w_ctr(minor, LP_PSELECP | LP_PINITP);
retval = r_str(minor);
- lp_release_parport (&lp_table[minor]);
+ lp_release_parport(&lp_table[minor]);
return retval;
}
-static void lp_error (int minor)
+static void lp_error(int minor)
{
DEFINE_WAIT(wait);
int polling;
@@ -224,14 +224,14 @@ static void lp_error (int minor)
polling = lp_table[minor].dev->port->irq == PARPORT_IRQ_NONE;
if (polling)
- lp_release_parport (&lp_table[minor]);
+ lp_release_parport(&lp_table[minor]);
prepare_to_wait(&lp_table[minor].waitq, &wait, TASK_INTERRUPTIBLE);
schedule_timeout(LP_TIMEOUT_POLLED);
finish_wait(&lp_table[minor].waitq, &wait);
if (polling)
- lp_claim_parport_or_block (&lp_table[minor]);
+ lp_claim_parport_or_block(&lp_table[minor]);
else
- parport_yield_blocking (lp_table[minor].dev);
+ parport_yield_blocking(lp_table[minor].dev);
}
static int lp_check_status(int minor)
@@ -283,10 +283,10 @@ static int lp_wait_ready(int minor, int nonblock)
}
do {
- error = lp_check_status (minor);
+ error = lp_check_status(minor);
if (error && (nonblock || (LP_F(minor) & LP_ABORT)))
break;
- if (signal_pending (current)) {
+ if (signal_pending(current)) {
error = -EINTR;
break;
}
@@ -320,26 +320,26 @@ static ssize_t lp_write(struct file *file, const char __user *buf,
if (mutex_lock_interruptible(&lp_table[minor].port_mutex))
return -EINTR;
- if (copy_from_user (kbuf, buf, copy_size)) {
+ if (copy_from_user(kbuf, buf, copy_size)) {
retv = -EFAULT;
goto out_unlock;
}
/* Claim Parport or sleep until it becomes available
*/
- lp_claim_parport_or_block (&lp_table[minor]);
+ lp_claim_parport_or_block(&lp_table[minor]);
/* Go to the proper mode. */
- lp_table[minor].current_mode = lp_negotiate (port,
- lp_table[minor].best_mode);
+ lp_table[minor].current_mode = lp_negotiate(port,
+ lp_table[minor].best_mode);
- parport_set_timeout (lp_table[minor].dev,
- (nonblock ? PARPORT_INACTIVITY_O_NONBLOCK
- : lp_table[minor].timeout));
+ parport_set_timeout(lp_table[minor].dev,
+ (nonblock ? PARPORT_INACTIVITY_O_NONBLOCK
+ : lp_table[minor].timeout));
- if ((retv = lp_wait_ready (minor, nonblock)) == 0)
+ if ((retv = lp_wait_ready(minor, nonblock)) == 0)
do {
/* Write the data. */
- written = parport_write (port, kbuf, copy_size);
+ written = parport_write(port, kbuf, copy_size);
if (written > 0) {
copy_size -= written;
count -= written;
@@ -347,7 +347,7 @@ static ssize_t lp_write(struct file *file, const char __user *buf,
retv += written;
}
- if (signal_pending (current)) {
+ if (signal_pending(current)) {
if (retv == 0)
retv = -EINTR;
@@ -358,11 +358,11 @@ static ssize_t lp_write(struct file *file, const char __user *buf,
/* incomplete write -> check error ! */
int error;
- parport_negotiate (lp_table[minor].dev->port,
- IEEE1284_MODE_COMPAT);
+ parport_negotiate(lp_table[minor].dev->port,
+ IEEE1284_MODE_COMPAT);
lp_table[minor].current_mode = IEEE1284_MODE_COMPAT;
- error = lp_wait_ready (minor, nonblock);
+ error = lp_wait_ready(minor, nonblock);
if (error) {
if (retv == 0)
@@ -374,13 +374,13 @@ static ssize_t lp_write(struct file *file, const char __user *buf,
break;
}
- parport_yield_blocking (lp_table[minor].dev);
+ parport_yield_blocking(lp_table[minor].dev);
lp_table[minor].current_mode
- = lp_negotiate (port,
- lp_table[minor].best_mode);
+ = lp_negotiate(port,
+ lp_table[minor].best_mode);
} else if (need_resched())
- schedule ();
+ schedule();
if (count) {
copy_size = count;
@@ -398,10 +398,10 @@ static ssize_t lp_write(struct file *file, const char __user *buf,
if (test_and_clear_bit(LP_PREEMPT_REQUEST,
&lp_table[minor].bits)) {
printk(KERN_INFO "lp%d releasing parport\n", minor);
- parport_negotiate (lp_table[minor].dev->port,
- IEEE1284_MODE_COMPAT);
+ parport_negotiate(lp_table[minor].dev->port,
+ IEEE1284_MODE_COMPAT);
lp_table[minor].current_mode = IEEE1284_MODE_COMPAT;
- lp_release_parport (&lp_table[minor]);
+ lp_release_parport(&lp_table[minor]);
}
out_unlock:
mutex_unlock(&lp_table[minor].port_mutex);
@@ -429,21 +429,21 @@ static ssize_t lp_read(struct file *file, char __user *buf,
if (mutex_lock_interruptible(&lp_table[minor].port_mutex))
return -EINTR;
- lp_claim_parport_or_block (&lp_table[minor]);
+ lp_claim_parport_or_block(&lp_table[minor]);
- parport_set_timeout (lp_table[minor].dev,
- (nonblock ? PARPORT_INACTIVITY_O_NONBLOCK
- : lp_table[minor].timeout));
+ parport_set_timeout(lp_table[minor].dev,
+ (nonblock ? PARPORT_INACTIVITY_O_NONBLOCK
+ : lp_table[minor].timeout));
- parport_negotiate (lp_table[minor].dev->port, IEEE1284_MODE_COMPAT);
- if (parport_negotiate (lp_table[minor].dev->port,
- IEEE1284_MODE_NIBBLE)) {
+ parport_negotiate(lp_table[minor].dev->port, IEEE1284_MODE_COMPAT);
+ if (parport_negotiate(lp_table[minor].dev->port,
+ IEEE1284_MODE_NIBBLE)) {
retval = -EIO;
goto out;
}
while (retval == 0) {
- retval = parport_read (port, kbuf, count);
+ retval = parport_read(port, kbuf, count);
if (retval > 0)
break;
@@ -456,11 +456,11 @@ static ssize_t lp_read(struct file *file, char __user *buf,
/* Wait for data. */
if (lp_table[minor].dev->port->irq == PARPORT_IRQ_NONE) {
- parport_negotiate (lp_table[minor].dev->port,
- IEEE1284_MODE_COMPAT);
- lp_error (minor);
- if (parport_negotiate (lp_table[minor].dev->port,
- IEEE1284_MODE_NIBBLE)) {
+ parport_negotiate(lp_table[minor].dev->port,
+ IEEE1284_MODE_COMPAT);
+ lp_error(minor);
+ if (parport_negotiate(lp_table[minor].dev->port,
+ IEEE1284_MODE_NIBBLE)) {
retval = -EIO;
goto out;
}
@@ -470,18 +470,18 @@ static ssize_t lp_read(struct file *file, char __user *buf,
finish_wait(&lp_table[minor].waitq, &wait);
}
- if (signal_pending (current)) {
+ if (signal_pending(current)) {
retval = -ERESTARTSYS;
break;
}
- cond_resched ();
+ cond_resched();
}
- parport_negotiate (lp_table[minor].dev->port, IEEE1284_MODE_COMPAT);
+ parport_negotiate(lp_table[minor].dev->port, IEEE1284_MODE_COMPAT);
out:
- lp_release_parport (&lp_table[minor]);
+ lp_release_parport(&lp_table[minor]);
- if (retval > 0 && copy_to_user (buf, kbuf, retval))
+ if (retval > 0 && copy_to_user(buf, kbuf, retval))
retval = -EFAULT;
mutex_unlock(&lp_table[minor].port_mutex);
@@ -516,9 +516,9 @@ static int lp_open(struct inode *inode, struct file *file)
should most likely only ever be used by the tunelp application. */
if ((LP_F(minor) & LP_ABORTOPEN) && !(file->f_flags & O_NONBLOCK)) {
int status;
- lp_claim_parport_or_block (&lp_table[minor]);
+ lp_claim_parport_or_block(&lp_table[minor]);
status = r_str(minor);
- lp_release_parport (&lp_table[minor]);
+ lp_release_parport(&lp_table[minor]);
if (status & LP_POUTPA) {
printk(KERN_INFO "lp%d out of paper\n", minor);
LP_F(minor) &= ~LP_BUSY;
@@ -543,18 +543,18 @@ static int lp_open(struct inode *inode, struct file *file)
goto out;
}
/* Determine if the peripheral supports ECP mode */
- lp_claim_parport_or_block (&lp_table[minor]);
+ lp_claim_parport_or_block(&lp_table[minor]);
if ( (lp_table[minor].dev->port->modes & PARPORT_MODE_ECP) &&
- !parport_negotiate (lp_table[minor].dev->port,
+ !parport_negotiate(lp_table[minor].dev->port,
IEEE1284_MODE_ECP)) {
- printk (KERN_INFO "lp%d: ECP mode\n", minor);
+ printk(KERN_INFO "lp%d: ECP mode\n", minor);
lp_table[minor].best_mode = IEEE1284_MODE_ECP;
} else {
lp_table[minor].best_mode = IEEE1284_MODE_COMPAT;
}
/* Leave peripheral in compatibility mode */
- parport_negotiate (lp_table[minor].dev->port, IEEE1284_MODE_COMPAT);
- lp_release_parport (&lp_table[minor]);
+ parport_negotiate(lp_table[minor].dev->port, IEEE1284_MODE_COMPAT);
+ lp_release_parport(&lp_table[minor]);
lp_table[minor].current_mode = IEEE1284_MODE_COMPAT;
out:
mutex_unlock(&lp_mutex);
@@ -565,10 +565,10 @@ static int lp_release(struct inode *inode, struct file *file)
{
unsigned int minor = iminor(inode);
- lp_claim_parport_or_block (&lp_table[minor]);
- parport_negotiate (lp_table[minor].dev->port, IEEE1284_MODE_COMPAT);
+ lp_claim_parport_or_block(&lp_table[minor]);
+ parport_negotiate(lp_table[minor].dev->port, IEEE1284_MODE_COMPAT);
lp_table[minor].current_mode = IEEE1284_MODE_COMPAT;
- lp_release_parport (&lp_table[minor]);
+ lp_release_parport(&lp_table[minor]);
kfree(lp_table[minor].lp_buffer);
lp_table[minor].lp_buffer = NULL;
LP_F(minor) &= ~LP_BUSY;
@@ -629,9 +629,9 @@ static int lp_do_ioctl(unsigned int minor, unsigned int cmd,
case LPGETSTATUS:
if (mutex_lock_interruptible(&lp_table[minor].port_mutex))
return -EINTR;
- lp_claim_parport_or_block (&lp_table[minor]);
+ lp_claim_parport_or_block(&lp_table[minor]);
status = r_str(minor);
- lp_release_parport (&lp_table[minor]);
+ lp_release_parport(&lp_table[minor]);
mutex_unlock(&lp_table[minor].port_mutex);
if (copy_to_user(argp, &status, sizeof(int)))
@@ -804,31 +804,31 @@ static const struct file_operations lp_fops = {
/* The console must be locked when we get here. */
-static void lp_console_write (struct console *co, const char *s,
- unsigned count)
+static void lp_console_write(struct console *co, const char *s,
+ unsigned count)
{
struct pardevice *dev = lp_table[CONSOLE_LP].dev;
struct parport *port = dev->port;
ssize_t written;
- if (parport_claim (dev))
+ if (parport_claim(dev))
/* Nothing we can do. */
return;
- parport_set_timeout (dev, 0);
+ parport_set_timeout(dev, 0);
/* Go to compatibility mode. */
- parport_negotiate (port, IEEE1284_MODE_COMPAT);
+ parport_negotiate(port, IEEE1284_MODE_COMPAT);
do {
/* Write the data, converting LF->CRLF as we go. */
ssize_t canwrite = count;
- char *lf = memchr (s, '\n', count);
+ char *lf = memchr(s, '\n', count);
if (lf)
canwrite = lf - s;
if (canwrite > 0) {
- written = parport_write (port, s, canwrite);
+ written = parport_write(port, s, canwrite);
if (written <= 0)
continue;
@@ -846,14 +846,14 @@ static void lp_console_write (struct console *co, const char *s,
s++;
count--;
do {
- written = parport_write (port, crlf, i);
+ written = parport_write(port, crlf, i);
if (written > 0)
i -= written, crlf += written;
} while (i > 0 && (CONSOLE_LP_STRICT || written > 0));
}
} while (count > 0 && (CONSOLE_LP_STRICT || written > 0));
- parport_release (dev);
+ parport_release(dev);
}
static struct console lpcons = {
@@ -874,7 +874,7 @@ module_param_array(parport, charp, NULL, 0);
module_param(reset, bool, 0);
#ifndef MODULE
-static int __init lp_setup (char *str)
+static int __init lp_setup(char *str)
{
static int parport_ptr;
int x;
@@ -932,17 +932,17 @@ static int lp_register(int nr, struct parport *port)
if (port->modes & PARPORT_MODE_SAFEININT) {
register_console(&lpcons);
console_registered = port;
- printk (KERN_INFO "lp%d: console ready\n", CONSOLE_LP);
+ printk(KERN_INFO "lp%d: console ready\n", CONSOLE_LP);
} else
- printk (KERN_ERR "lp%d: cannot run console on %s\n",
- CONSOLE_LP, port->name);
+ printk(KERN_ERR "lp%d: cannot run console on %s\n",
+ CONSOLE_LP, port->name);
}
#endif
return 0;
}
-static void lp_attach (struct parport *port)
+static void lp_attach(struct parport *port)
{
unsigned int i;
@@ -972,7 +972,7 @@ static void lp_attach (struct parport *port)
}
}
-static void lp_detach (struct parport *port)
+static void lp_detach(struct parport *port)
{
/* Write this some day. */
#ifdef CONFIG_LP_CONSOLE
@@ -989,7 +989,7 @@ static struct parport_driver lp_driver = {
.detach = lp_detach,
};
-static int __init lp_init (void)
+static int __init lp_init(void)
{
int i, err = 0;
@@ -1006,17 +1006,17 @@ static int __init lp_init (void)
#ifdef LP_STATS
lp_table[i].lastcall = 0;
lp_table[i].runchars = 0;
- memset (&lp_table[i].stats, 0, sizeof (struct lp_stats));
+ memset(&lp_table[i].stats, 0, sizeof(struct lp_stats));
#endif
lp_table[i].last_error = 0;
- init_waitqueue_head (&lp_table[i].waitq);
- init_waitqueue_head (&lp_table[i].dataq);
+ init_waitqueue_head(&lp_table[i].waitq);
+ init_waitqueue_head(&lp_table[i].dataq);
mutex_init(&lp_table[i].port_mutex);
lp_table[i].timeout = 10 * HZ;
}
- if (register_chrdev (LP_MAJOR, "lp", &lp_fops)) {
- printk (KERN_ERR "lp: unable to get major %d\n", LP_MAJOR);
+ if (register_chrdev(LP_MAJOR, "lp", &lp_fops)) {
+ printk(KERN_ERR "lp: unable to get major %d\n", LP_MAJOR);
return -EIO;
}
@@ -1026,17 +1026,17 @@ static int __init lp_init (void)
goto out_reg;
}
- if (parport_register_driver (&lp_driver)) {
- printk (KERN_ERR "lp: unable to register with parport\n");
+ if (parport_register_driver(&lp_driver)) {
+ printk(KERN_ERR "lp: unable to register with parport\n");
err = -EIO;
goto out_class;
}
if (!lp_count) {
- printk (KERN_INFO "lp: driver loaded but no devices found\n");
+ printk(KERN_INFO "lp: driver loaded but no devices found\n");
#ifndef CONFIG_PARPORT_1284
if (parport_nr[0] == LP_PARPORT_AUTO)
- printk (KERN_INFO "lp: (is IEEE 1284 support enabled?)\n");
+ printk(KERN_INFO "lp: (is IEEE 1284 support enabled?)\n");
#endif
}
@@ -1049,7 +1049,7 @@ out_reg:
return err;
}
-static int __init lp_init_module (void)
+static int __init lp_init_module(void)
{
if (parport[0]) {
/* The user gave some parameters. Let's see what they were. */
@@ -1077,14 +1077,14 @@ static int __init lp_init_module (void)
return lp_init();
}
-static void lp_cleanup_module (void)
+static void lp_cleanup_module(void)
{
unsigned int offset;
- parport_unregister_driver (&lp_driver);
+ parport_unregister_driver(&lp_driver);
#ifdef CONFIG_LP_CONSOLE
- unregister_console (&lpcons);
+ unregister_console(&lpcons);
#endif
unregister_chrdev(LP_MAJOR, "lp");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 10:23:30 +0000