Re: [PATCH v8 1/3] perf: cavium: Support memory controller PMU counters

Jan Glauber
2017-07-26T16:41:11Z

On Wed, Jul 26, 2017 at 05:25:15PM +0100, Jonathan Cameron wrote:
> On Wed, 26 Jul 2017 17:46:23 +0200
> Jan Glauber <jan.glauber@caviumnetworks.com> wrote:
>
> > On Wed, Jul 26, 2017 at 04:17:11PM +0100, Suzuki K Poulose wrote:
> > > How about adding a soc specific (wrapper) driver for the memory controller, which
> > > could use the PCI id and trigger EDAC and PMU drivers (based on what is
> > > selected by configs) ?
> >
> > Sounds good to me. Is there a driver that already does this?
> Sounds like a classic MFD (multifunction device). There are quite a few pci
> devices to be found under drivers/mfd/ than may provide some inspiration.

I've looked into that before, from what I recall it did not fit my use
case. After all these are multi-fn devices.

> Jonathan
> >
> > --Jan
> >
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