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| author | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-09-09 20:14:47 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-09-09 20:14:47 -0500 |
| commit | d344c5e0856ad03278d8700b503762dbc8b86e12 (patch) | |
| tree | a6d893a643470a3c2580a58f3228a55fa1fd1d82 /Documentation/watchdog/watchdog-api.txt | |
| parent | 010988e888a0abbe7118635c1b33d049caae6b29 (diff) | |
| parent | 87fc767b832ef5a681a0ff9d203c3289bc3be2bf (diff) | |
| download | kernel_samsung_smdk4412-d344c5e0856ad03278d8700b503762dbc8b86e12.zip kernel_samsung_smdk4412-d344c5e0856ad03278d8700b503762dbc8b86e12.tar.gz kernel_samsung_smdk4412-d344c5e0856ad03278d8700b503762dbc8b86e12.tar.bz2 | |
Manual merge with Linus
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 28388aa..c5beb54 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 |