Re: [RFC 3/3] RISC-V: Remove per cpu clocksource

[Atish Patra]

On 9/17/18 8:01 AM, Christoph Hellwig wrote:
> On Mon, Sep 17, 2018 at 04:52:44PM +0200, Thomas Gleixner wrote:
> > If this really does not need configuration and all actual implementations
> > are not "allowed" to screw the timer up, then this surely can do without
> > DT.
>
> That would be the plan.
>
> > Just for the record, this would be the first (architected) timer ever which
> > just works. I'm having a hard time to believe this, but I'd certainly
> > welcome it.
>
> And that would be the contact with reality.  Note that the current
> scheme which just matches for the riscv hart (aka cpu core) nodes
> would not exactly help either.

I thought we will have a dedicated timer node (like all other arch) 
sooner or later and we will just change TIMER_OF to match that node 
instead of riscv hart.

In this way, we will not do something entirely different from any other 
architecture.

Regards,
Atish
> > > -TIMER_OF_DECLARE(riscv_timer, "riscv", riscv_timer_init_dt);
> > > +core_initcall(riscv_timer_init);
> >
> > Are you sure that core_initcall is not too late?
>
> No, I'm not at all.  This is just intended as a quick throw-away draft.