Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [PATCH 4/4] watchdog: st_wdt: Add new driver for ST's LPC Watchdog | Date | Thu, 23 Oct 2014 17:23:55 +0200 |
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On Thursday 23 October 2014 16:18:44 Lee Jones wrote: > +config ST_WATCHDOG > + tristate "STMicroelectronics LPC Watchdog" > + depends on ARCH_STI && OF > + depends on !RTC_DRV_ST_LPC > + select WATCHDOG_CORE > + help > + Say Y here to include Watchdog timer support for the watchdog > + existing in the LPC of STMicroelectronics SOCs. > + !!! BE CARREFUL !!! > + This driver shares hardware resources with RTC Alarm part of the > + LPC. Both LPC Watchdog driver and LPC RTC driver cannot be > + used together. > + > + To compile this driver as a module, choose M here: the > + module will be called st-wdt. > + >
How is this ensured by the code? Do both drivers try to bind to the same device node? Would it make more sense to have a single driver that registers both to the rtc and the watchdog subsystems?
Arnd
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