On Jan 17, 2008, at 8:55 AM, Jochen Friedrich wrote:
> Hi Kumar,
>
>> Why are you commenting on mpc83xx_wdt with respect to pq1_wdt?
>> Also, is this driver just for PQ1 platforms or PQ1 & PQ2? If its
>> just pq1 we should probably call it pq1_wdt*
>
> It should be for pq1, pq2 and pq2pro. However, i only have the
> possibility
> to test this on pq1.
>
>>> arch/powerpc/platforms/8xx/mpc86xads_setup.c | 5 +
>>> arch/powerpc/platforms/8xx/mpc885ads_setup.c | 5 +
>>> arch/powerpc/sysdev/Makefile | 3 +
>>> arch/powerpc/sysdev/pq_wdt.c | 203 +++++++++++++++
>>> ++++++++
>>> arch/powerpc/sysdev/pq_wdt.h | 28 ++++
>>> drivers/watchdog/Kconfig | 13 ++-
>>> drivers/watchdog/Makefile | 1 +
>>> drivers/watchdog/pq_wdt.c | 225 +++++++++++++++
>>> +++++++++++
>>> 8 files changed, 482 insertions(+), 1 deletions(-)
>>> create mode 100644 arch/powerpc/sysdev/pq_wdt.c
>>> create mode 100644 arch/powerpc/sysdev/pq_wdt.h
>>> create mode 100644 drivers/watchdog/pq_wdt.c
>> What are the bits in sysdev/pq_wdt.{c,h}. Why aren't these just in
>> drivers/watchdog?
>
> These are the parts needed to boot a device with activated watchdog.
> If a bootloader like u-boot activates the watchdog, it can't be
> deactivated again
> and needs to be reset at regular intervals. This is done using a
> kernel timer.
> The driver in drivers/watchdog disables the timer as soon as the wdt
> device
> is opened.
Ok, but is there a need for these bits to be in sysdev vs just being
in the driver and calling into it.
- k
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