Re: [PATCH v2] regmap: irq: allow different device for irq chip and regmap
From: Michael Grzeschik
Date: Wed Jul 05 2017 - 05:08:42 EST
On Tue, Jul 04, 2017 at 11:44:49AM +0100, Mark Brown wrote:
> On Fri, Jun 30, 2017 at 03:33:27PM +0200, Michael Grzeschik wrote:
> > On Fri, Jun 23, 2017 at 01:00:43PM +0100, Mark Brown wrote:
> > > syscon is one potential thing here but it seems odd for the sort of
> > > hardware that syscon handles to be a good fit for regmap-irq.
> > We have the special case that we use the syscon as the basic driver
> > underneath some subdevices that vary in function. We have six arcnet
> > controllers sitting side by side in an 8 byte offset. And after them we
> > have the next small memory windows for an reset controller and one
> > interrupt controller which the other devices reference.
> Why is this a syscon and not a MFD? It sounds exactly like a MFD to me,
> syscon is more for cases where things are really jumbled together (even
> in single registers) but that sounds like a bunch of separate register
> ranges for separate devices that happen to be very close together in
You are right. I will rewrite it to MFD.
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