diff options
| author | Anton Altaparmakov <aia21@cantab.net> | 2006-03-23 17:06:08 +0000 |
|---|---|---|
| committer | Anton Altaparmakov <aia21@cantab.net> | 2006-03-23 17:06:08 +0000 |
| commit | 92fe7b9ea8ef101bff3c75ade89b93b5f62a7955 (patch) | |
| tree | 3dba4faa78f1bbe4be503275173e3a63b5d60f22 /drivers/char/nwflash.c | |
| parent | e750d1c7cc314b9ba1934b0b474b7d39f906f865 (diff) | |
| parent | b0e6e962992b76580f4900b166a337bad7c1e81b (diff) | |
Merge branch 'master' of /usr/src/ntfs-2.6/
Diffstat (limited to 'drivers/char/nwflash.c')
| -rw-r--r-- | drivers/char/nwflash.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/char/nwflash.c b/drivers/char/nwflash.c index ca41d62b1d9d..8865387d3448 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 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; } |