Hi,

On Saturday, March 11, 2017 07:25:22 PM Krzysztof Kozlowski wrote:

The Exynos4412 has the same watchdog as newer SoCs (e.g. Exynos5250).
Just like the others, for working it requires additional steps in Power
Management Unit: unmasking the reset request and enabling the system
reset.  Without these additional steps in PMU, the watchdog will not be
able to reset the system on expiration event.

Change the compatible of Exynos4412 watchdog device node to
samsung,exynos5250-wdt which includes the additional PMU steps.

This is going to confuse people.  How's about doing it cleanly
(by adding samsung,exynos4412-wdt compatible and convert existing
users to use instead)?

This will also fix infinite watchdog interrupt in soft mode (lack of
interrupt clear) because it is also included in samsung,exynos5250-wdt.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics