Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0a5dcb51770be3cd0202d6b90a07996fb40130b6
Commit:     0a5dcb51770be3cd0202d6b90a07996fb40130b6
Parent:     8f47f0b688bba7642dac4e979896e4692177670b
Author:     Matthias Kaehlcke <[EMAIL PROTECTED]>
AuthorDate: Wed Feb 6 01:36:25 2008 -0800
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed Feb 6 10:41:01 2008 -0800

    Parallel port: convert port_mutex to the mutex API
    
    Parallel port: Convert port_mutex to the mutex API
    
    [EMAIL PROTECTED]: coding-style fixes]
    Signed-off-by: Matthias Kaehlcke <[EMAIL PROTECTED]>
    Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
 drivers/char/lp.c  |   10 +++++-----
 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 81674d7..60ac642 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 7059b6b..0df024b 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;
-
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