Guenter Roeck 09da89abe3 watchdog: sp5100_tco: Enable watchdog on Family 17h devices if disabled ...

On Family 17h (Ryzen) devices, the WatchdogTmrEn bit of PmDecodeEn not only
enables watchdog memory decoding at 0xfeb00000, it also enables the
watchdog hardware itself. Use this information to enable the watchdog if
it is not already enabled.

Cc: Jan Kiszka <jan.kiszka@siemens.com>
Tested-by: Jan Kiszka <jan.kiszka@siemens.com>
Link: https://lore.kernel.org/r/20200910163109.235136-2-linux@roeck-us.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

2020-10-14 15:22:57 +02:00

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