[PATCH] sem2mutex: drivers/char/
Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/char/nwflash.c b/drivers/char/nwflash.c
index ca41d62..8865387 100644
--- a/drivers/char/nwflash.c
+++ b/drivers/char/nwflash.c
@@ -27,6 +27,7 @@
#include <linux/rwsem.h>
#include <linux/init.h>
#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <asm/hardware/dec21285.h>
#include <asm/io.h>
@@ -56,7 +57,7 @@
static int gbWriteBase64Enable;
static volatile unsigned char *FLASH_BASE;
static int gbFlashSize = KFLASH_SIZE;
-static DECLARE_MUTEX(nwflash_sem);
+static DEFINE_MUTEX(nwflash_mutex);
extern spinlock_t gpio_lock;
@@ -140,7 +141,7 @@
/*
* We now lock against reads and writes. --rmk
*/
- if (down_interruptible(&nwflash_sem))
+ if (mutex_lock_interruptible(&nwflash_mutex))
return -ERESTARTSYS;
ret = copy_to_user(buf, (void *)(FLASH_BASE + p), count);
@@ -149,7 +150,7 @@
*ppos += count;
} else
ret = -EFAULT;
- up(&nwflash_sem);
+ mutex_unlock(&nwflash_mutex);
}
return ret;
}
@@ -188,7 +189,7 @@
/*
* We now lock against reads and writes. --rmk
*/
- if (down_interruptible(&nwflash_sem))
+ if (mutex_lock_interruptible(&nwflash_mutex))
return -ERESTARTSYS;
written = 0;
@@ -277,7 +278,7 @@
*/
leds_event(led_release);
- up(&nwflash_sem);
+ mutex_unlock(&nwflash_mutex);
return written;
}