OMAP watchdog broken on 37XX?

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I've used the omap watchdog timer (CONFIG_OMAP_WATCHDOG=y &
CONFIG_WATCHDOG_NOWAYOUT=y) with good results on 35XX based systems.

Recently I attempted to use the the same technique with 37XX and
discovered that my systems hangs instead of rebooting.

The simplest method to test is to do:

# echo 1 > /dev/watchdog
omap_wdt: Unexpected close, not stopping!

On 35XX the system will reboot in one minute as expected.

On 37XX the system the systems hangs in one minute.

Has anyone else encountered this?

Steve
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