On Thu, May 21, 2015 at 04:32:34PM +0800, fu.wei@xxxxxxxxxx wrote: > From: Fu Wei <fu.wei@xxxxxxxxxx> > > Also update Documentation/watchdog/watchdog-kernel-api.txt to > introduce: > (1)the new elements in the watchdog_device and watchdog_ops struct; > (2)the new API "watchdog_init_timeouts". > > Reasons: > (1)kernel already has two watchdog drivers are using "pretimeout": > drivers/char/ipmi/ipmi_watchdog.c > drivers/watchdog/kempld_wdt.c(but the definition is different) > (2)some other dirvers are going to use this: ARM SBSA Generic Watchdog > > Signed-off-by: Fu Wei <fu.wei@xxxxxxxxxx> > --- [ ... ] > > +/* Use the following function to check if a pretimeout value is invalid */ > +static inline bool watchdog_pretimeout_invalid(struct watchdog_device *wdd, > + unsigned int t) > +{ > + return ((wdd->max_pretimeout != 0) && > + (t < wdd->min_pretimeout || t > wdd->max_pretimeout)); > +} Should this function also enforce "t < wdd->timeout", and should watchdog_timeout_invalid() enforce "t > wdd->pretimeout" ? Thanks, Guenter -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html