watchdog: WatchDog Timer Driver Core - Add Magic Close feature
Add support for the Magic Close feature to the WatchDog Timer Driver Core framework. Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Wolfram Sang <w.sang@pengutronix.de>
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3 changed files with 32 additions and 3 deletions
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@ -112,6 +112,7 @@ struct watchdog_device {
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/* Bit numbers for status flags */
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#define WDOG_ACTIVE 0 /* Is the watchdog running/active */
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#define WDOG_DEV_OPEN 1 /* Opened via /dev/watchdog ? */
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#define WDOG_ALLOW_RELEASE 2 /* Did we receive the magic char ? */
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};
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/* Use the following functions to manipulate watchdog driver specific data */
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