linux-kernel - Re: [PATCH v1 1/1] x86/platform/intel-mid: Add Power Management Unit driver

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Message-ID: <20160614172621.GA16566@psi-dev26.jf.intel.com>
Date:	Tue, 14 Jun 2016 10:26:21 -0700
From:	David Cohen <david.a.cohen@...ux.intel.com>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH v1 1/1] x86/platform/intel-mid: Add Power Management Unit
 driver

Hi,

On Tue, Jun 14, 2016 at 07:07:14PM +0300, Andy Shevchenko wrote:
> On Tue, 2016-06-14 at 17:58 +0200, Ingo Molnar wrote:
> > * Andy Shevchenko <andriy.shevchenko@...ux.intel.com> wrote:
> > 
> > > On Tue, 2016-06-14 at 17:29 +0200, Ingo Molnar wrote:
> > > 
> > > > * Andy Shevchenko <andriy.shevchenko@...ux.intel.com> wrote:
> > > > 
> > > > > On Tue, 2016-06-14 at 12:43 +0200, Ingo Molnar wrote:
> > > > > In the TRM it's called Power Management Unit, though once or
> > > > > twice
> > > > > in some 
> > > > > documents as Power Management Controller. I actually woudn't
> > > > > like to
> > > > > use PMC 
> > > > > abbreviation to not be confused with pmc_atom.c and many other
> > > > > variation of 
> > > > > existing PMC drivers of other Intel platforms.
> > > > > 
> > > > > PM* as a prefix might be too short to conflict with Power
> > > > > Management
> > > > > framework 
> > > > > in the kernel. P-Unit (punit*) is existing part in SoC which
> > > > > will
> > > > > have its own 
> > > > > driver in the future, so, can't use it either.
> > > > > 
> > > > > pwr*, pwrmu*, scpmu* (as of South Complex Power Management Unit)
> > > > > —
> > > > > one of them?
> > > > 
> > > > 'pwr' certainly sounds good to me! PWMU perhaps?
> > > 
> > > Wouldn't be a bit confusing with pwm? I would stay at 'pwr'.
> > 
> > Yeah, indeed - so pwr it is?
> 
> Yes. Will rename in this way, re-test and re-send.

I'm curious about that. What pmu prefix would stand for?

Br, David