Messages in this thread |  | | Date | Wed, 4 Dec 2013 23:34:46 +0530 | From | Sekhar Nori <> | Subject | Re: [PATCH v4 1/5] watchdog: davinci: change driver to use WDT core |
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On 11/27/2013 6:18 PM, Ivan Khoronzhuk wrote: > To reduce code duplicate and increase code readability use WDT core > code to handle WDT interface. > > Remove io_lock as the WDT core uses mutex to lock each wdt device. > Remove wdt_state as the WDT core tracks state with its own variable. > > The watchdog_init_timeout() can read timeout value from timeout-sec > property if the passed value is out of bounds. The heartbeat is > initialized in next way. If heartbeat is not set thought module > parameter, try to read it's value from WDT node timeout-sec property. > If node has no one, use default value. > > The heartbeat is hold in wdd->timeout by WDT core, so use it in > order to set timeout period. > > Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> > Reviewed-by: Guenter Roeck <linux@roeck-us.net> > Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com> > --- > drivers/watchdog/Kconfig | 2 + > drivers/watchdog/davinci_wdt.c | 147 ++++++++++------------------------------ > 2 files changed, 37 insertions(+), 112 deletions(-) > > diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig > index 5be6e91..eb8c89d 100644 > --- a/drivers/watchdog/Kconfig > +++ b/drivers/watchdog/Kconfig > @@ -271,6 +271,8 @@ config IOP_WATCHDOG > config DAVINCI_WATCHDOG > tristate "DaVinci watchdog" > depends on ARCH_DAVINCI > + select WATCHDOG_CORE > + select WATCHDOG_NOWAYOUT
Its not clear for change log why NOWAYOUT needs to be forced on all the time for all users of DaVinci watchdog.
Thanks, Sekhar
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