From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1751007AbdE3CpM (ORCPT <rfc822;w@1wt.eu>);
        Mon, 29 May 2017 22:45:12 -0400
Received: from mail-pf0-f172.google.com ([209.85.192.172]:36420 "EHLO
        mail-pf0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1750797AbdE3CpJ (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Mon, 29 May 2017 22:45:09 -0400
Date: Mon, 29 May 2017 19:45:05 -0700
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Andy Lutomirski <luto@kernel.org>
Cc: Pali =?iso-8859-1?Q?Roh=E1r?= <pali.rohar@gmail.com>,
        Jiri Kosina <jikos@kernel.org>, Darren Hart <dvhart@infradead.org>,
        platform-driver-x86@vger.kernel.org,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Mario Limonciello <mario_limonciello@dell.com>,
        Rafael Wysocki <rjw@rjwysocki.net>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Linux ACPI <linux-acpi@vger.kernel.org>
Subject: Re: [PATCH 16/16] platform/x86: dell-wmi: Convert to the WMI bus
 infrastructure
Message-ID: <20170530024505.GC32841@dtor-ws>
References: <cover.1495862272.git.dvhart@infradead.org>
 <4a4da770c8d0af7e3f31e79261b43573d70a6ea6.1495862272.git.dvhart@infradead.org>
 <201705271250.20338@pali>
 <CALCETrWic6ZWrjdmXTRX92U058B1SZ+xMd+5TBW+YL51ZrgeCA@mail.gmail.com>
 <3669DF37-7D17-40AD-852A-F8EDBE15A785@gmail.com>
 <CALCETrWtkEazuMMrFZp4oybwjNO-8r6GNF2BLA39fJqfH8Crtw@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <CALCETrWtkEazuMMrFZp4oybwjNO-8r6GNF2BLA39fJqfH8Crtw@mail.gmail.com>
User-Agent: Mutt/1.5.21 (2010-09-15)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Sat, May 27, 2017 at 11:40:52AM -0700, Andy Lutomirski wrote:
> On Sat, May 27, 2017 at 9:17 AM, Dmitry Torokhov
> <dmitry.torokhov@gmail.com> wrote:
> > On May 27, 2017 9:04:38 AM PDT, Andy Lutomirski <luto@kernel.org> wrote:
> >>On Sat, May 27, 2017 at 3:50 AM, Pali Rohár <pali.rohar@gmail.com>
> >>wrote:
> >>> On Saturday 27 May 2017 07:31:30 Darren Hart wrote:
> >>>> -     dell_wmi_input_dev->name = "Dell WMI hotkeys";
> >>>> -     dell_wmi_input_dev->phys = "wmi/input0";
> >>>> -     dell_wmi_input_dev->id.bustype = BUS_HOST;
> >>>> +     priv->input_dev->name = "Dell WMI hotkeys";
> >>>> +     priv->input_dev->id.bustype = BUS_HOST;
> >>>
> >>> Is not there BUS_WMI, or something like that? (Just asking)
> >>>
> >>
> >>Jiri and/or Dmitry, what is bustype for, anyway?
> >
> > The bus type could be used to help further  identifying device if it used same vendor/product for spi and i2c, for example, but there are not many if them. I'm not sure if anyone actually makes decisions based on it, but it is part of abi now.
> >
> >>I suppose we could add BUS_PLATFORM.
> >
> > What would be the difference from BUS_HOST?
> >
> 
> If BUS_HOST means that the device is part of the host as opposed to
> being plugged in, then it seems entirely reasonable.

Yes, it basically means platform-specific interface.

-- 
Dmitry