Re: [RFC PATCH] ARM: mach-shmobile: Parse DT to get ARCH timer memory region

[Oleksandr]

On 14.05.19 10:16, Geert Uytterhoeven wrote:
> Hi Oleksandr,

Hi Geert


> On Mon, May 13, 2019 at 6:00 PM Oleksandr <olekstysh@xxxxxxxxx> wrote:
> > On 13.05.19 18:13, Geert Uytterhoeven wrote:
> > > > So, if the DT bindings for the counter module is not an option (if I
> > > > correctly understood a discussion pointed by Geert in another letter),
> > > > we should probably prevent all timer code here from being executed if
> > > > PSCI is in use.
> > > > What I mean is to return to [2], but with the modification to use
> > > > psci_smp_available() helper as an indicator of PSCI usage.
> > > >
> > > > Julien, Geert, what do you think?
> > > Yes, that sounds good to me.
> > >
> > > Note that psci_smp_available() seems to return false if CONFIG_SMP=n,
> > > so checking for that is not sufficient to avoid crashes when running a
> > > uniprocessor kernel on a PSCI-enabled system.
> > Indeed, you are right.
> >
> >
> > Nothing than just check for psci_ops.cpu_on == NULL directly comes to
> > mind...
> >
> > Have already checked with CONFIG_SMP=n, it works.
> >
> > Sounds ok?
> Fine for me, thanks!

Great, I will send new version.


> Gr{oetje,eeting}s,
>
>                          Geert
--
Regards,

Oleksandr Tyshchenko