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Diffstat (limited to 'Documentation/watchdog/watchdog-kernel-api.txt')
| -rw-r--r-- | Documentation/watchdog/watchdog-kernel-api.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/watchdog/watchdog-kernel-api.txt b/Documentation/watchdog/watchdog-kernel-api.txt index acdee39fb08a..41d552698ada 100644 --- a/Documentation/watchdog/watchdog-kernel-api.txt +++ b/Documentation/watchdog/watchdog-kernel-api.txt | |||
| @@ -127,6 +127,13 @@ bit-operations. The status bits that are defined are: | |||
| 127 | * WDOG_DEV_OPEN: this status bit shows whether or not the watchdog device | 127 | * WDOG_DEV_OPEN: this status bit shows whether or not the watchdog device |
| 128 | was opened via /dev/watchdog. | 128 | was opened via /dev/watchdog. |
| 129 | (This bit should only be used by the WatchDog Timer Driver Core). | 129 | (This bit should only be used by the WatchDog Timer Driver Core). |
| 130 | * WDOG_ALLOW_RELEASE: this bit stores whether or not the magic close character | ||
| 131 | has been sent (so that we can support the magic close feature). | ||
| 132 | (This bit should only be used by the WatchDog Timer Driver Core). | ||
| 133 | |||
| 134 | Note: The WatchDog Timer Driver Core supports the magic close feature. To use | ||
| 135 | the magic close feature you must set the WDIOF_MAGICCLOSE bit in the options | ||
| 136 | field of the watchdog's info structure. | ||
| 130 | 137 | ||
| 131 | To get or set driver specific data the following two helper functions should be | 138 | To get or set driver specific data the following two helper functions should be |
| 132 | used: | 139 | used: |