diff options
Diffstat (limited to 'drivers/watchdog/sbc_fitpc2_wdt.c')
-rw-r--r-- | drivers/watchdog/sbc_fitpc2_wdt.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/watchdog/sbc_fitpc2_wdt.c b/drivers/watchdog/sbc_fitpc2_wdt.c index 8d44c9b6fb5b..c7d67e9a7465 100644 --- a/drivers/watchdog/sbc_fitpc2_wdt.c +++ b/drivers/watchdog/sbc_fitpc2_wdt.c | |||
@@ -30,7 +30,7 @@ | |||
30 | static int nowayout = WATCHDOG_NOWAYOUT; | 30 | static int nowayout = WATCHDOG_NOWAYOUT; |
31 | static unsigned int margin = 60; /* (secs) Default is 1 minute */ | 31 | static unsigned int margin = 60; /* (secs) Default is 1 minute */ |
32 | static unsigned long wdt_status; | 32 | static unsigned long wdt_status; |
33 | static DEFINE_SPINLOCK(wdt_lock); | 33 | static DEFINE_MUTEX(wdt_lock); |
34 | 34 | ||
35 | #define WDT_IN_USE 0 | 35 | #define WDT_IN_USE 0 |
36 | #define WDT_OK_TO_CLOSE 1 | 36 | #define WDT_OK_TO_CLOSE 1 |
@@ -45,26 +45,26 @@ static DEFINE_SPINLOCK(wdt_lock); | |||
45 | 45 | ||
46 | static void wdt_send_data(unsigned char command, unsigned char data) | 46 | static void wdt_send_data(unsigned char command, unsigned char data) |
47 | { | 47 | { |
48 | outb(command, COMMAND_PORT); | ||
49 | msleep(100); | ||
50 | outb(data, DATA_PORT); | 48 | outb(data, DATA_PORT); |
51 | msleep(200); | 49 | msleep(200); |
50 | outb(command, COMMAND_PORT); | ||
51 | msleep(100); | ||
52 | } | 52 | } |
53 | 53 | ||
54 | static void wdt_enable(void) | 54 | static void wdt_enable(void) |
55 | { | 55 | { |
56 | spin_lock(&wdt_lock); | 56 | mutex_lock(&wdt_lock); |
57 | wdt_send_data(IFACE_ON_COMMAND, 1); | 57 | wdt_send_data(IFACE_ON_COMMAND, 1); |
58 | wdt_send_data(REBOOT_COMMAND, margin); | 58 | wdt_send_data(REBOOT_COMMAND, margin); |
59 | spin_unlock(&wdt_lock); | 59 | mutex_unlock(&wdt_lock); |
60 | } | 60 | } |
61 | 61 | ||
62 | static void wdt_disable(void) | 62 | static void wdt_disable(void) |
63 | { | 63 | { |
64 | spin_lock(&wdt_lock); | 64 | mutex_lock(&wdt_lock); |
65 | wdt_send_data(IFACE_ON_COMMAND, 0); | 65 | wdt_send_data(IFACE_ON_COMMAND, 0); |
66 | wdt_send_data(REBOOT_COMMAND, 0); | 66 | wdt_send_data(REBOOT_COMMAND, 0); |
67 | spin_unlock(&wdt_lock); | 67 | mutex_unlock(&wdt_lock); |
68 | } | 68 | } |
69 | 69 | ||
70 | static int fitpc2_wdt_open(struct inode *inode, struct file *file) | 70 | static int fitpc2_wdt_open(struct inode *inode, struct file *file) |