23.03.2020 16:45, Dmitry Osipenko пишет: > 23.03.2020 16:42, Thierry Reding пишет: >> On Fri, Mar 20, 2020 at 06:38:32PM +0300, Dmitry Osipenko wrote: >>> 20.03.2020 18:11, Dmitry Osipenko пишет: >>>> 20.03.2020 16:34, Thierry Reding пишет: >>>>> From: Thierry Reding <treding@xxxxxxxxxx> >>>>> >>>>> Currently this only supports a single watchdog, which uses a timer in >>>>> the background for countdown. Eventually the timers could be used for >>>>> various time-keeping tasks, but by default the architected timer will >>>>> already provide that functionality. >>>>> >>>>> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx> >>>>> --- >>>> >>>> ... >>>>> +config TEGRA186_TIMER >>>>> + bool "NVIDIA Tegra186 timer driver" >>>> >>>> tristate? >>>> >>>>> + depends on ARCH_TEGRA || COMPILE_TEST >>>> >>>> depends on WATCHDOG && WATCHDOG_CORE? >>> >>> Actually `select WATCHDOG_CORE` for the WATCHDOG_CORE. >> >> WATCHDOG_CORE is user-visible, so it's not safe to select it. Any reason >> depends on WATCHDOG && WATCHDOG_CORE wouldn't work? I guess a dependency >> on WATCHDOG_CORE would be enough because that itself already depends on >> WATCHDOG. > > It looks to that should be much better if you could factor out all the > watchdog functionality into the drivers/watchdog, like it's done in a > case of MC / SMMU drivers for example. Also, please see drivers/watchdog/Kconfig where each individual driver selects WATCHDOG_CORE on by as-needed basis.