diff options
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/istallion.c | 1 | ||||
-rw-r--r-- | drivers/char/nwflash.c | 11 | ||||
-rw-r--r-- | drivers/char/stallion.c | 1 | ||||
-rw-r--r-- | 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 28c5a3193b81..ede128356af2 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c | |||
@@ -181,7 +181,6 @@ static struct tty_driver *stli_serial; | |||
181 | * is already swapping a shared buffer won't make things any worse. | 181 | * is already swapping a shared buffer won't make things any worse. |
182 | */ | 182 | */ |
183 | static char *stli_tmpwritebuf; | 183 | static char *stli_tmpwritebuf; |
184 | static DECLARE_MUTEX(stli_tmpwritesem); | ||
185 | 184 | ||
186 | #define STLI_TXBUFSIZE 4096 | 185 | #define STLI_TXBUFSIZE 4096 |
187 | 186 | ||
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 @@ | |||
27 | #include <linux/rwsem.h> | 27 | #include <linux/rwsem.h> |
28 | #include <linux/init.h> | 28 | #include <linux/init.h> |
29 | #include <linux/smp_lock.h> | 29 | #include <linux/smp_lock.h> |
30 | #include <linux/mutex.h> | ||
30 | 31 | ||
31 | #include <asm/hardware/dec21285.h> | 32 | #include <asm/hardware/dec21285.h> |
32 | #include <asm/io.h> | 33 | #include <asm/io.h> |
@@ -56,7 +57,7 @@ static int gbWriteEnable; | |||
56 | static int gbWriteBase64Enable; | 57 | static int gbWriteBase64Enable; |
57 | static volatile unsigned char *FLASH_BASE; | 58 | static volatile unsigned char *FLASH_BASE; |
58 | static int gbFlashSize = KFLASH_SIZE; | 59 | static int gbFlashSize = KFLASH_SIZE; |
59 | static DECLARE_MUTEX(nwflash_sem); | 60 | static DEFINE_MUTEX(nwflash_mutex); |
60 | 61 | ||
61 | extern spinlock_t gpio_lock; | 62 | extern spinlock_t gpio_lock; |
62 | 63 | ||
@@ -140,7 +141,7 @@ static ssize_t flash_read(struct file *file, char __user *buf, size_t size, | |||
140 | /* | 141 | /* |
141 | * We now lock against reads and writes. --rmk | 142 | * We now lock against reads and writes. --rmk |
142 | */ | 143 | */ |
143 | if (down_interruptible(&nwflash_sem)) | 144 | if (mutex_lock_interruptible(&nwflash_mutex)) |
144 | return -ERESTARTSYS; | 145 | return -ERESTARTSYS; |
145 | 146 | ||
146 | ret = copy_to_user(buf, (void *)(FLASH_BASE + p), count); | 147 | 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, | |||
149 | *ppos += count; | 150 | *ppos += count; |
150 | } else | 151 | } else |
151 | ret = -EFAULT; | 152 | ret = -EFAULT; |
152 | up(&nwflash_sem); | 153 | mutex_unlock(&nwflash_mutex); |
153 | } | 154 | } |
154 | return ret; | 155 | return ret; |
155 | } | 156 | } |
@@ -188,7 +189,7 @@ static ssize_t flash_write(struct file *file, const char __user *buf, | |||
188 | /* | 189 | /* |
189 | * We now lock against reads and writes. --rmk | 190 | * We now lock against reads and writes. --rmk |
190 | */ | 191 | */ |
191 | if (down_interruptible(&nwflash_sem)) | 192 | if (mutex_lock_interruptible(&nwflash_mutex)) |
192 | return -ERESTARTSYS; | 193 | return -ERESTARTSYS; |
193 | 194 | ||
194 | written = 0; | 195 | written = 0; |
@@ -277,7 +278,7 @@ static ssize_t flash_write(struct file *file, const char __user *buf, | |||
277 | */ | 278 | */ |
278 | leds_event(led_release); | 279 | leds_event(led_release); |
279 | 280 | ||
280 | up(&nwflash_sem); | 281 | mutex_unlock(&nwflash_mutex); |
281 | 282 | ||
282 | return written; | 283 | return written; |
283 | } | 284 | } |
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index bdaab6992109..3f5d6077f39c 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c | |||
@@ -148,7 +148,6 @@ static struct tty_driver *stl_serial; | |||
148 | * is already swapping a shared buffer won't make things any worse. | 148 | * is already swapping a shared buffer won't make things any worse. |
149 | */ | 149 | */ |
150 | static char *stl_tmpwritebuf; | 150 | static char *stl_tmpwritebuf; |
151 | static DECLARE_MUTEX(stl_tmpwritesem); | ||
152 | 151 | ||
153 | /* | 152 | /* |
154 | * Define a local default termios struct. All ports will be created | 153 | * 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 1533f56baa42..2700c5c45b8a 100644 --- a/drivers/char/watchdog/pcwd_usb.c +++ b/drivers/char/watchdog/pcwd_usb.c | |||
@@ -42,6 +42,7 @@ | |||
42 | #include <linux/completion.h> | 42 | #include <linux/completion.h> |
43 | #include <asm/uaccess.h> | 43 | #include <asm/uaccess.h> |
44 | #include <linux/usb.h> | 44 | #include <linux/usb.h> |
45 | #include <linux/mutex.h> | ||
45 | 46 | ||
46 | 47 | ||
47 | #ifdef CONFIG_USB_DEBUG | 48 | #ifdef CONFIG_USB_DEBUG |
@@ -143,7 +144,7 @@ struct usb_pcwd_private { | |||
143 | static struct usb_pcwd_private *usb_pcwd_device; | 144 | static struct usb_pcwd_private *usb_pcwd_device; |
144 | 145 | ||
145 | /* prevent races between open() and disconnect() */ | 146 | /* prevent races between open() and disconnect() */ |
146 | static DECLARE_MUTEX (disconnect_sem); | 147 | static DEFINE_MUTEX(disconnect_mutex); |
147 | 148 | ||
148 | /* local function prototypes */ | 149 | /* local function prototypes */ |
149 | static int usb_pcwd_probe (struct usb_interface *interface, const struct usb_device_id *id); | 150 | 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) | |||
723 | struct usb_pcwd_private *usb_pcwd; | 724 | struct usb_pcwd_private *usb_pcwd; |
724 | 725 | ||
725 | /* prevent races with open() */ | 726 | /* prevent races with open() */ |
726 | down (&disconnect_sem); | 727 | mutex_lock(&disconnect_mutex); |
727 | 728 | ||
728 | usb_pcwd = usb_get_intfdata (interface); | 729 | usb_pcwd = usb_get_intfdata (interface); |
729 | usb_set_intfdata (interface, NULL); | 730 | usb_set_intfdata (interface, NULL); |
@@ -749,7 +750,7 @@ static void usb_pcwd_disconnect(struct usb_interface *interface) | |||
749 | 750 | ||
750 | cards_found--; | 751 | cards_found--; |
751 | 752 | ||
752 | up (&disconnect_sem); | 753 | mutex_unlock(&disconnect_mutex); |
753 | 754 | ||
754 | printk(KERN_INFO PFX "USB PC Watchdog disconnected\n"); | 755 | printk(KERN_INFO PFX "USB PC Watchdog disconnected\n"); |
755 | } | 756 | } |