[U-Boot-Users] CONFIG_HW_WATCHDOG in 1.1.6

Wolfgang Denk
2007-03-20T01:36:38Z

In message <f608b67d0703191743id58c79cjb0ff4d2fdf1975b7@mail.gmail.com> you wrote:
>
> My examination of the source code has shown that there is no watchdog
> interactions in the tight loop in drivers/ns16550.c:NS16550_getc(). So
> the HW watchdog is in fact not being kicked in the tight loop if the
> system enters the u-boot CLI mode, so it is getting reset for a
> reason.

Seems you are the first to use this serial driver with a watchdog
turned on...

> Is this expected behavior and the HW watchdog is required to be
> disabled when in u-boot CLI mode?

No, this is not expected behavior.

Watchdig trigger points are missing and should be added to the
driver. I'm looking forward to seeing your patch...

Best regards,

Wolfgang Denk

--
DENX Software Engineering GmbH, HRB 165235 Munich, CEO: Wolfgang Denk
Office: Kirchenstr. 5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
If a man had a child who'd gone anti-social, killed perhaps, he'd
still tend to protect that child.
-- McCoy, "The Ultimate Computer", stardate 4731.3