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SubjectRe: [PATCH v2] dts: arm64: add CoreSight trace support for hi3660
On Mon, Mar 04, 2019 at 05:29:22PM +0000, Suzuki K Poulose wrote:

[...]

> > > To support for a funnel without any register address range (we have
> > > support replicator like this mode), we also need to extend the driver
> > > drivers/hwtracing/coresight/coresight-funnel.c.
> > >
> > > Mathieu, Mike, Suzuki, could you help confirm this is the right
> > > direction we should move forward to?
> >
> > Leo, thanks for testing this out. Shiwanglai, please add Suzuki and
> > myself to future revision of this set - this will help you getting a
> > timely response for your work.

Yeah, I didn't give a good example for this; just remind to Wanglai,
usually we can add maintainers' email address in the "To:" list so
this will be more friendly for email filters.

> > As Leo pointed out we already have support for replicators that don't
> > have a register map and the same thing should be done in this case.
> > But contrary to what was done for replicators, I think we should keep
> > the drivers in the same file as Russell did here[1]. That way we can
> > keep all things funnel at the same place and reduce the amount of
> > kernel configuration options.
>
> I back that. I have already merged the static and programmable replicators
> into one and this should be out here soon. So, I back the single driver
> approach for funnels.

That's great! Thanks for advices, Mathieu & Suzuki.

Will sync with you offline for proceeding.

Thanks,
Leo Yan

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