linux-kernel - Re: [PATCH 33/37] platform/x86: intel_pmc

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Date:   Thu, 2 Jan 2020 11:50:40 +0200
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Darren Hart <dvhart@...radead.org>, x86@...nel.org,
        Zha Qipeng <qipeng.zha@...el.com>,
        Rajneesh Bhardwaj <rajneesh.bhardwaj@...ux.intel.com>,
        "David E . Box" <david.e.box@...ux.intel.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 33/37] platform/x86: intel_pmc_ipc: Move under MFD

On Thu, Jan 02, 2020 at 09:41:26AM +0000, Lee Jones wrote:
> On Mon, 23 Dec 2019, Mika Westerberg wrote:
> 
> > This driver only creates a bunch of platform devices sharing resources
> > belonging to the PMC device. This is pretty much what MFD subsystem is
> > for so move the driver there, renaming it to intel_pmc_bxt.c which
> > should be more clear what it is. We convert the driver to call MFD APIs
> > in subsequent patches.
> 
> Nope.  Not happening.
> 
> It's not appropriate to dump a 1000+ line source file into MFD without
> a thorough review.  For starters, the 100's of lines of code which
> support the bespoke IPC APIs should remain within the 'platform'
> domain.
> 
> It's okay to move the subordinate device registration into MFD, but it
> will need to be converted *whilst* transferring it, rather than the
> dump/edit method currently implemented.

OK, will do so in v2.