Thread (2 messages) 2 messages, 2 authors, 2010-09-30
DORMANTno replies

[PATCH] OMAP2PLUS: WDT: Fix: Disable WDT after reset during init

From: Varadarajan, Charulatha <hidden>
Date: 2010-09-30 16:36:47
Also in: linux-omap

Possibly related (same subject, not in this thread)

Kevin,
"Varadarajan, Charulatha" [off-list ref] writes:
<<snip>>
quoted
With OMAP2PLUS watchdog implemented in hwmod fw way, the
module is reset during init.
Please drop this sentence, as it's not directly related to hwmod, but
related to hardware reset, and was previously masked by most bootloaders.
Okay, will modify accordingly.
quoted
After a watchdog timer module reset, the WDTs are enabled. The
default time for a system reset after a watchdog module reset
is ~10s as per the default value of the WDT registers. Hence
the system would be reset after 10s, if watchdog is not disabled
within 10s.

This patch fixes the above issue by disabling the watchdog timer
after reset during initialization of devices.
Should also describe what happends if/when the watchdog driver is
loaded.  
Okay. Will add it to the description.
Kevin
quoted
Signed-off-by: Charulatha V <redacted>
Reported-by: Kevin Hilman <redacted>
<<snip>>
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