From 6f87f0deebaff2716a3ce9232f948d702690562a Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 23 Mar 2006 03:00:27 -0800 Subject: [PATCH] [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/istallion.c | 1 - drivers/char/nwflash.c | 11 ++++++----- drivers/char/stallion.c | 1 - drivers/char/watchdog/pcwd_usb.c | 7 ++++--- 4 files changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index 28c5a3193b..ede128356a 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -181,7 +181,6 @@ static struct tty_driver *stli_serial; * is already swapping a shared buffer won't make things any worse. */ static char *stli_tmpwritebuf; -static DECLARE_MUTEX(stli_tmpwritesem); #define STLI_TXBUFSIZE 4096 diff --git a/drivers/char/nwflash.c b/drivers/char/nwflash.c index ca41d62b1d..8865387d34 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; } diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index bdaab69921..3f5d6077f3 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -148,7 +148,6 @@ static struct tty_driver *stl_serial; * is already swapping a shared buffer won't make things any worse. */ static char *stl_tmpwritebuf; -static DECLARE_MUTEX(stl_tmpwritesem); /* * Define a local default termios struct. All ports will be created diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c index 1533f56baa..2700c5c45b 100644 --- a/drivers/char/watchdog/pcwd_usb.c +++ b/drivers/char/watchdog/pcwd_usb.c @@ -42,6 +42,7 @@ #include #include #include +#include #ifdef CONFIG_USB_DEBUG @@ -143,7 +144,7 @@ struct usb_pcwd_private { static struct usb_pcwd_private *usb_pcwd_device; /* prevent races between open() and disconnect() */ -static DECLARE_MUTEX (disconnect_sem); +static DEFINE_MUTEX(disconnect_mutex); /* local function prototypes */ static int usb_pcwd_probe (struct usb_interface *interface, const struct usb_device_id *id); @@ -723,7 +724,7 @@ static void usb_pcwd_disconnect(struct usb_interface *interface) struct usb_pcwd_private *usb_pcwd; /* prevent races with open() */ - down (&disconnect_sem); + mutex_lock(&disconnect_mutex); usb_pcwd = usb_get_intfdata (interface); usb_set_intfdata (interface, NULL); @@ -749,7 +750,7 @@ static void usb_pcwd_disconnect(struct usb_interface *interface) cards_found--; - up (&disconnect_sem); + mutex_unlock(&disconnect_mutex); printk(KERN_INFO PFX "USB PC Watchdog disconnected\n"); } -- 2.39.5