On Wed, Aug 14, 2019 at 10:49:18PM +0200, Arnd Bergmann wrote:
> All watchdog drivers implement the same set of ioctl commands, and
> fortunately all of them are compatible between 32-bit and 64-bit
> architectures.
>
> Modern drivers always go through drivers/watchdog/wdt.c as an abstraction
>
All watchdog drivers implement the same set of ioctl commands, and
fortunately all of them are compatible between 32-bit and 64-bit
architectures.
Modern drivers always go through drivers/watchdog/wdt.c as an abstraction
layer, but older ones implement their own file_operations on a character
