linux-kernel - Re: [PATCH anybus v1 1/4] mfd: support the Arcx anybus bridge.

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Message-ID: <CAGngYiVZ3y2Y4Wg=CEqoO+C0Mr1CYspON1C=Kmb-vq=kxs5bUg@mail.gmail.com>
Date:   Fri, 26 Oct 2018 09:40:21 -0400
From:   Sven Van Asbroeck <thesven73@...il.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Sven Van Asbroeck <svendev@...x.com>, robh+dt@...nel.org,
        mark.rutland@....com,
        Andreas Färber <afaerber@...e.de>,
        treding@...dia.com, David Lechner <david@...hnology.com>,
        noralf@...nnes.org, johan@...nel.org,
        Michal Simek <monstr@...str.eu>, michal.vokac@...ft.com,
        Arnd Bergmann <arnd@...db.de>, gregkh@...uxfoundation.org,
        john.garry@...wei.com,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        geert+renesas@...der.be, robin.murphy@....com,
        paul.gortmaker@...driver.com,
        sebastien.bourdelin@...oirfairelinux.com, icenowy@...c.io,
        yuanzhichang@...ilicon.com, Stuart Yoder <stuyoder@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        maxime.ripard@...tlin.com, bogdan.purcareata@....com,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>
Subject: Re: [PATCH anybus v1 1/4] mfd: support the Arcx anybus bridge.

> Wow, this driver is going to need a lot of work.

I'm open to reworking this 5 times if need be :)

>
> But before we get going, how many sub-devices does this have?

This is a custom piece of h/w which exposes two anybus-S slots, plus a
power readout in sysfs, I wasn't quite sure if mfd is the right
abstraction for this.