[PATCH v3] watchdog: add SPDX identifiers for watchdog subsystem

[Johannes Thumshirn]

Marcus Folkesson <marcus.folkesson at gmail.com> writes:
[...]
>  drivers/watchdog/mena21_wdt.c          |  4 +--

For mena21_wdt:
Acked-by: Johannes Thumshirn <jth at kernel.org>

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