diff options
Diffstat (limited to 'drivers/watchdog')
-rw-r--r-- | drivers/watchdog/sa1100_wdt.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/watchdog/sa1100_wdt.c b/drivers/watchdog/sa1100_wdt.c index ed01e4c2beff..87977156ddb8 100644 --- a/drivers/watchdog/sa1100_wdt.c +++ b/drivers/watchdog/sa1100_wdt.c | |||
@@ -35,8 +35,7 @@ | |||
35 | #include <mach/reset.h> | 35 | #include <mach/reset.h> |
36 | #include <mach/hardware.h> | 36 | #include <mach/hardware.h> |
37 | 37 | ||
38 | #define OSCR_FREQ CLOCK_TICK_RATE | 38 | static unsigned long oscr_freq; |
39 | |||
40 | static unsigned long sa1100wdt_users; | 39 | static unsigned long sa1100wdt_users; |
41 | static int pre_margin; | 40 | static int pre_margin; |
42 | static int boot_status; | 41 | static int boot_status; |
@@ -123,12 +122,12 @@ static long sa1100dog_ioctl(struct file *file, unsigned int cmd, | |||
123 | break; | 122 | break; |
124 | } | 123 | } |
125 | 124 | ||
126 | pre_margin = OSCR_FREQ * time; | 125 | pre_margin = oscr_freq * time; |
127 | OSMR3 = OSCR + pre_margin; | 126 | OSMR3 = OSCR + pre_margin; |
128 | /*fall through*/ | 127 | /*fall through*/ |
129 | 128 | ||
130 | case WDIOC_GETTIMEOUT: | 129 | case WDIOC_GETTIMEOUT: |
131 | ret = put_user(pre_margin / OSCR_FREQ, p); | 130 | ret = put_user(pre_margin / oscr_freq, p); |
132 | break; | 131 | break; |
133 | } | 132 | } |
134 | return ret; | 133 | return ret; |
@@ -155,6 +154,8 @@ static int __init sa1100dog_init(void) | |||
155 | { | 154 | { |
156 | int ret; | 155 | int ret; |
157 | 156 | ||
157 | oscr_freq = get_clock_tick_rate(); | ||
158 | |||
158 | /* | 159 | /* |
159 | * Read the reset status, and save it for later. If | 160 | * Read the reset status, and save it for later. If |
160 | * we suspend, RCSR will be cleared, and the watchdog | 161 | * we suspend, RCSR will be cleared, and the watchdog |
@@ -162,7 +163,7 @@ static int __init sa1100dog_init(void) | |||
162 | */ | 163 | */ |
163 | boot_status = (reset_status & RESET_STATUS_WATCHDOG) ? | 164 | boot_status = (reset_status & RESET_STATUS_WATCHDOG) ? |
164 | WDIOF_CARDRESET : 0; | 165 | WDIOF_CARDRESET : 0; |
165 | pre_margin = OSCR_FREQ * margin; | 166 | pre_margin = oscr_freq * margin; |
166 | 167 | ||
167 | ret = misc_register(&sa1100dog_miscdev); | 168 | ret = misc_register(&sa1100dog_miscdev); |
168 | if (ret == 0) | 169 | if (ret == 0) |