From 6f87f0deebaff2716a3ce9232f948d702690562a Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 23 Mar 2006 03:00:27 -0800 Subject: [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 Cc: Russell King Cc: Wim Van Sebroeck Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/nwflash.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'drivers/char/nwflash.c') diff --git a/drivers/char/nwflash.c b/drivers/char/nwflash.c index ca41d62b1d9..8865387d344 100644 --- a/drivers/char/nwflash.c +++ b/drivers/char/nwflash.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include @@ -56,7 +57,7 @@ static int gbWriteEnable; 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 @@ static ssize_t flash_read(struct file *file, char __user *buf, size_t size, /* * 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 @@ static ssize_t flash_read(struct file *file, char __user *buf, size_t size, *ppos += count; } else ret = -EFAULT; - up(&nwflash_sem); + mutex_unlock(&nwflash_mutex); } return ret; } @@ -188,7 +189,7 @@ static ssize_t flash_write(struct file *file, const char __user *buf, /* * 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 @@ static ssize_t flash_write(struct file *file, const char __user *buf, */ leds_event(led_release); - up(&nwflash_sem); + mutex_unlock(&nwflash_mutex); return written; } -- cgit v1.2.3