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| author | Matthias Kaehlcke <matthias.kaehlcke@gmail.com> | 2008-02-06 01:36:25 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-06 10:41:01 -0800 |
| commit | 0a5dcb51770be3cd0202d6b90a07996fb40130b6 (patch) | |
| tree | 75ac6d5c64be71369126e8ad05b62b59576df4e7 | |
| parent | 8f47f0b688bba7642dac4e979896e4692177670b (diff) | |
| download | kernel_samsung_smdk4412-0a5dcb51770be3cd0202d6b90a07996fb40130b6.tar.gz kernel_samsung_smdk4412-0a5dcb51770be3cd0202d6b90a07996fb40130b6.tar.bz2 kernel_samsung_smdk4412-0a5dcb51770be3cd0202d6b90a07996fb40130b6.zip | |
Parallel port: convert port_mutex to the mutex API
Parallel port: Convert port_mutex to the mutex API
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/char/lp.c | 10 | ||||
| -rw-r--r-- | include/linux/lp.h | 4 |
2 files changed, 7 insertions, 7 deletions
diff --git a/drivers/char/lp.c b/drivers/char/lp.c index 81674d7c56c..60ac642752b 100644 --- a/drivers/char/lp.c +++ b/drivers/char/lp.c @@ -312,7 +312,7 @@ static ssize_t lp_write(struct file * file, const char __user * buf, if (copy_size > LP_BUFFER_SIZE) copy_size = LP_BUFFER_SIZE; - if (down_interruptible (&lp_table[minor].port_mutex)) + if (mutex_lock_interruptible(&lp_table[minor].port_mutex)) return -EINTR; if (copy_from_user (kbuf, buf, copy_size)) { @@ -399,7 +399,7 @@ static ssize_t lp_write(struct file * file, const char __user * buf, lp_release_parport (&lp_table[minor]); } out_unlock: - up (&lp_table[minor].port_mutex); + mutex_unlock(&lp_table[minor].port_mutex); return retv; } @@ -421,7 +421,7 @@ static ssize_t lp_read(struct file * file, char __user * buf, if (count > LP_BUFFER_SIZE) count = LP_BUFFER_SIZE; - if (down_interruptible (&lp_table[minor].port_mutex)) + if (mutex_lock_interruptible(&lp_table[minor].port_mutex)) return -EINTR; lp_claim_parport_or_block (&lp_table[minor]); @@ -479,7 +479,7 @@ static ssize_t lp_read(struct file * file, char __user * buf, if (retval > 0 && copy_to_user (buf, kbuf, retval)) retval = -EFAULT; - up (&lp_table[minor].port_mutex); + mutex_unlock(&lp_table[minor].port_mutex); return retval; } @@ -888,7 +888,7 @@ static int __init lp_init (void) lp_table[i].last_error = 0; init_waitqueue_head (&lp_table[i].waitq); init_waitqueue_head (&lp_table[i].dataq); - init_MUTEX (&lp_table[i].port_mutex); + mutex_init(&lp_table[i].port_mutex); lp_table[i].timeout = 10 * HZ; } diff --git a/include/linux/lp.h b/include/linux/lp.h index 7059b6b9878..0df024bfd6f 100644 --- a/include/linux/lp.h +++ b/include/linux/lp.h @@ -99,7 +99,7 @@ #ifdef __KERNEL__ #include <linux/wait.h> -#include <asm/semaphore.h> +#include <linux/mutex.h> /* Magic numbers for defining port-device mappings */ #define LP_PARPORT_UNSPEC -4 @@ -145,7 +145,7 @@ struct lp_struct { #endif wait_queue_head_t waitq; unsigned int last_error; - struct semaphore port_mutex; + struct mutex port_mutex; wait_queue_head_t dataq; long timeout; unsigned int best_mode; |