[PATCH V2] Driver for the watchdog timer on all Freescale IMX processors.

Wolfram Sang w.sang at pengutronix.de
Tue Dec 15 08:59:03 EST 2009


Hello Wim,

> Some general feedback first:
> * The MX2 and MX3 series have a watchdog device that cannot be stopped once
> started. Since we use /dev/watchdog to start and stop the hardware, we
> normally introduce a timer to keep the watchdog alive when /dev/watchdog
> is closed. This is missing in this driver.
> (See drivers/watchdog/at91sam9_wdt.c as an example).

Will do. Thanks for the pointer!

> * The MX1 platform is 32 bit instead of 16 bit and can be stopped and started.
> Maybe it would make sense to split this in 2 drivers (one for MX1 and one for
> the others).

Hmm, originally I'd prefer to keep the two sticked together. But as we seem to
need a seperate timer now for MX2/3, it might probably pay off to seperate
them. I will have a look.

Regards,

   Wolfram

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 197 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20091215/df7ad9a1/attachment.sig>


More information about the linux-arm-kernel mailing list