On 12:16 Fri 05 Oct , Fabio Porcedda wrote: > Signed-off-by: Fabio Porcedda <[email protected]> > --- > Documentation/watchdog/watchdog-kernel-api.txt | 4 ++++ > drivers/watchdog/watchdog_core.c | 27 > ++++++++++++++++++++++++++ > include/linux/watchdog.h | 4 ++++ > 3 files changed, 35 insertions(+) > > diff --git a/Documentation/watchdog/watchdog-kernel-api.txt > b/Documentation/watchdog/watchdog-kernel-api.txt > index 086638f..2208db7 100644 > --- a/Documentation/watchdog/watchdog-kernel-api.txt > +++ b/Documentation/watchdog/watchdog-kernel-api.txt > @@ -212,3 +212,7 @@ driver specific data to and a pointer to the data itself. > The watchdog_get_drvdata function allows you to retrieve driver specific > data. > The argument of this function is the watchdog device where you want to > retrieve > data from. The function returns the pointer to the driver specific data. > + > +The watchdog_init_timeout function allows you to initialize the timeout field > +using the module timeout parameter or retrieving the timeout-sec property > from > +the device tree. > diff --git a/drivers/watchdog/watchdog_core.c > b/drivers/watchdog/watchdog_core.c > index 3796434..646be48 100644 > --- a/drivers/watchdog/watchdog_core.c > +++ b/drivers/watchdog/watchdog_core.c > @@ -143,6 +143,33 @@ void watchdog_unregister_device(struct watchdog_device > *wdd) > } > EXPORT_SYMBOL_GPL(watchdog_unregister_device); > > +/** > + * watchdog_init_timeout() - initialize the timeout field > + * @parm_timeout: timeout module parameter, it takes precedence over the > + * timeout-sec property. > + * @node: Retrieve the timeout-sec property only if the parm_timeout > + * is out of bounds. > + */ > +void watchdog_init_timeout(struct watchdog_device *wdd, > + unsigned int parm_timeout, struct device_node *node) > +{ > + unsigned int t = 0; > + > + if ((parm_timeout >= wdd->min_timeout) && > + (parm_timeout <= wdd->max_timeout)) { > + wdd->timeout = parm_timeout; > + return; > + } > + > + if (!node) > + return; > + > + of_property_read_u32(node, "timeout-sec", &t); why I bother to comment *make this of generic* this is not watchdog specific other driver can use it
Best Regards, J. _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
