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| author | Len Brown <len.brown@intel.com> | 2005-09-08 07:45:47 +0200 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2005-09-08 07:45:47 +0200 |
| commit | 64e47488c913ac704d465a6af86a26786d1412a5 (patch) | |
| tree | d3b0148592963dcde26e4bb35ddfec8b1eaf8e23 /Documentation/watchdog/watchdog-api.txt | |
| parent | [ACPI] revert bad processor_core.c patch for bug 5128 (diff) | |
| parent | [SCSI] Re-do "final klist fixes" (diff) | |
| download | linux-64e47488c913ac704d465a6af86a26786d1412a5.tar.xz linux-64e47488c913ac704d465a6af86a26786d1412a5.zip | |
Merge linux-2.6 with linux-acpi-2.6
Diffstat (limited to 'Documentation/watchdog/watchdog-api.txt')
| -rw-r--r-- | Documentation/watchdog/watchdog-api.txt | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/watchdog/watchdog-api.txt b/Documentation/watchdog/watchdog-api.txt index 28388aa700c6..c5beb548cfc4 100644 --- a/Documentation/watchdog/watchdog-api.txt +++ b/Documentation/watchdog/watchdog-api.txt @@ -228,6 +228,26 @@ advantechwdt.c -- Advantech Single Board Computer The GETSTATUS call returns if the device is open or not. [FIXME -- silliness again?] +booke_wdt.c -- PowerPC BookE Watchdog Timer + + Timeout default varies according to frequency, supports + SETTIMEOUT + + Watchdog can not be turned off, CONFIG_WATCHDOG_NOWAYOUT + does not make sense + + GETSUPPORT returns the watchdog_info struct, and + GETSTATUS returns the supported options. GETBOOTSTATUS + returns a 1 if the last reset was caused by the + watchdog and a 0 otherwise. This watchdog can not be + disabled once it has been started. The wdt_period kernel + parameter selects which bit of the time base changing + from 0->1 will trigger the watchdog exception. Changing + the timeout from the ioctl calls will change the + wdt_period as defined above. Finally if you would like to + replace the default Watchdog Handler you can implement the + WatchdogHandler() function in your own code. + eurotechwdt.c -- Eurotech CPU-1220/1410 The timeout can be set using the SETTIMEOUT ioctl and defaults |