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Revert "watchdog: iTCO_wdt: Account for rebooting on second timeout"

Frantisek Sumsal requested to merge fsumsal/kernel-centos-stream-9:revert-watchdog-iTCO_wdt-second-timeout into main 
Revert "watchdog: iTCO_wdt: Account for rebooting on second timeout"

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2020918

This reverts commit cb011044e34c ("watchdog: iTCO_wdt: Account for
rebooting on second timeout") and commit aec42642d91f ("watchdog: iTCO_wdt:
Fix detection of SMI-off case") since those patches cause a regression
on certain boards (https://bugzilla.kernel.org/show_bug.cgi?id=213809).

While this revert may result in some boards to only reset after twice
the configured timeout value, that is still better than a watchdog reset
after half the configured value.

Fixes: cb011044e34c ("watchdog: iTCO_wdt: Account for rebooting on second timeout")
Fixes: aec42642d91f ("watchdog: iTCO_wdt: Fix detection of SMI-off case")
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Mantas Mikulėnas <grawity@gmail.com>
Reported-by: Javier S. Pedro <debbugs@javispedro.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20211008003302.1461733-1-linux@roeck-us.net
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
(cherry picked from commit 6e7733ef0bb9372d5491168635f6ecba8ac3cb8a)
Signed-off-by: Frantisek Sumsal <fsumsal@redhat.com>
Edited by Frantisek Sumsal

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