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Make watchdog function conform watchdog(9):

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Set error to 0 when watchdog is armed and disable it when timeout
is too large to be set.
This commit is contained in:
Oleksandr Tymoshenko 2013-10-22 05:22:46 +00:00
parent 00b1705bdc
commit 5ad43f4b9a
1 changed files with 12 additions and 0 deletions
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12
sys/arm/allwinner/a10_wdog.c
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@ -150,6 +150,18 @@ a10wd_watchdog_fn(void *private, u_int cmd, int *error)
(wd_intervals[i].value << WDOG_MODE_INTVL_SHIFT) |
WDOG_MODE_EN | WDOG_MODE_RST_EN);
WRITE(sc, WDOG_CTRL, WDOG_CTRL_RESTART);
*error = 0;
}
else {
/*
* Can't arm
* disable watchdog as watchdog(9) requires
*/
device_printf(sc->dev,
"Can't arm, timeout is more than 16 sec\n");
mtx_unlock(&sc->mtx);
WRITE(sc, WDOG_MODE, 0);
return;
}
}
else