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During watchdog initialization, the driver doesn't disable ITIM16 module which used for detecting watchdog timeout before updating new preload value. Although the ITEN bit on reset is zero, it caused preload value is not updated to module successfully since ITEN won't be reset (ITIM16 is still enabled) in sysjump case. Despite WDCNT will be reloaded by touching watchdog in HOOK_TICK hook function later, it's better to disable any ITIM16 module before updating ITCNT register. BRANCH=none BUG=b:77336821 TEST=No build errors for npcx5 series. Change-Id: I19baa47bca347b9dca2fc1dcaacca81519facf21 Signed-off-by: Mulin Chao <mlchao@nuvoton.com> Reviewed-on: https://chromium-review.googlesource.com/999458 Reviewed-by: Randall Spangler <rspangler@chromium.org>