Re: [PATCH v2 05/12] ARM: davinci: da850: switch to using the clocksource driver

From: Bartosz Golaszewski
Date: Fri Feb 08 2019 - 07:48:10 EST


pt., 8 lut 2019 o 13:37 Sekhar Nori <nsekhar@xxxxxx> napisaÅ(a):
>
> On 08/02/19 6:04 PM, Bartosz Golaszewski wrote:
> > pt., 8 lut 2019 o 13:06 Sekhar Nori <nsekhar@xxxxxx> napisaÅ(a):
> >>
> >> On 04/02/19 10:47 PM, Bartosz Golaszewski wrote:
> >>> +static const struct davinci_timer_cfg da850_timer_cfg = {
> >>> + .reg = {
> >>> + .start = DA8XX_TIMER64P0_BASE,
> >>> + .end = DA8XX_TIMER64P0_BASE + SZ_4K,
> >>
> >> SZ_4K - 1
> >>
> >> This should have prevented watchdog timer from getting registered.
> >>
> >> Thanks,
> >> Sekhar
> >
> > My clocksource driver doesn't call request_region() so a subsequent
> > devm_ioremap_resource() in the watchdog driver would still succeed. I
> > now fixed both the missing call and the value here.
>
> Ah, got it. Perhaps a call to request_region() should be added to catch
> issues?
>

Yes, that's what I meant by "fixing the missing call". It will be
there in v3. Actually the kernel seems to be missing a non-managed
ioremap_resource() helper. Maybe I should add it as well.

Bart