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 S1753222AbcBXMSV (ORCPT <rfc822;w@1wt.eu>);
	Wed, 24 Feb 2016 07:18:21 -0500
Received: from mout.kundenserver.de ([212.227.126.134]:52304 "EHLO
	mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1751103AbcBXMST (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Wed, 24 Feb 2016 07:18:19 -0500
From: Arnd Bergmann <arnd@arndb.de>
To: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Lee Jones <lee.jones@linaro.org>, Alexander Shiyan <shc_work@mail.ru>,
        Pankaj Dubey <pankaj.dubey@samsung.com>,
        Pawel Moll <pawel.moll@arm.com>, Wolfram Sang <wsa@the-dreams.de>,
        Peter Seiderer <ps.report@gmx.net>,
        Tushar Behera <tushar.behera@linaro.org>, linux-kernel@vger.kernel.org,
        kernel@pengutronix.de
Subject: Re: [PATCH v2] mfd: syscon: allow to register syscon with a device
Date: Wed, 24 Feb 2016 13:18:02 +0100
Message-ID: <2470261.O5caHJeW3o@wuerfel>
User-Agent: KMail/4.11.5 (Linux/3.16.0-10-generic; KDE/4.11.5; x86_64; ; )
In-Reply-To: <1456312741-7658-1-git-send-email-p.zabel@pengutronix.de>
References: <1456312741-7658-1-git-send-email-p.zabel@pengutronix.de>
MIME-Version: 1.0
Content-Transfer-Encoding: 7Bit
Content-Type: text/plain; charset="us-ascii"
X-Provags-ID: V03:K0:+8tM8fff8vQ9yo3UX/6hKRN+G7kTmDh4wMNWV3A5UXx5DvpGhMe
 Ujci8NQhE7mwO+/4jnYv/z9g3S0m2ULBJVObgRCbKEXCgnk8i3hl0E2wb6UXtV0wZz1b6MN
 n08o01kh1KWQeWLTPfzqcQscWQl71/knVrOGFDzz4TO+CuQ73DBsfY/2qW3SpGGLlUXjRl8
 UTrk5LFpSz1CDijMqt5AQ==
X-UI-Out-Filterresults: notjunk:1;V01:K0:yruT8vBN3Kk=:ujUS7BfyAZJfdj2g38XJ9+
 AQOnBj1a+Iu9edXTmWpj32VhZpXMOSr12hgNu08LeKWA6tQaVLlJHdC9l3WzuUuM2OFeqQmri
 2qTcEcnRteaK5TSnMu6ej7qsseJB9mEcNKd6iaFCmaLA+rg9cM001yYILlG7aqbWEZ9mByF9L
 FRqtrFxt8gHcMVlRqcUnOPdv210brPmlKYh8IJQaDcGWPcaMU+NdpAxSg1HniV05wgknjHQwV
 egXn3BCFofPGUCmPebPXQ0b6ElsBkvA34QFHVlr3ZvbWTIzscjcOurRjypZVZaRfrML30lBz0
 hmugY38xZMoMbfGU6HrLMIHj24zSzbrG4g6xqIZW0zyW6UYgEnGLfXSCE84WweHMEDw4ofozS
 6Vt7fejPSw7VRm8gMzwVl5Htvnb8N8VnFQ9Z1qlk12QiD2AsbaOLg0HW5Zdtb/1iEqTaDYRtf
 QKxq1XNR563xi75IsFEGL1FSChfucTrihgSapbAyEp6GpxMSXkIB8g+Pcmqdng9MuJqxAxuAm
 x5/eDod2XBxT1IZOO2/NvXhtf53mUV/Q4VnzgKoPq+YE4Kf7DgpE/G3micpaGg2YAjDBVJYKR
 5KGda9Jtuy+ym1nFWOEVimFwJxWrFfzJYpWARHgEx9lXT1Zp4ESM8VXn41Fu7IQuUUKhFpRYN
 3eyEdKRM4ewOVeXw8oLDZXsK73DISpNgKy/flYbV9bvZg343BYRGKLEy57ssrzfgblEScSuvl
 2lq6gmSUWlVJ2zo9
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Wednesday 24 February 2016 12:19:01 Philipp Zabel wrote:
> Commit bdb0066df96e ("mfd: syscon: Decouple syscon interface from platform
> devices") added the possibility to register syscon devices without
> associated platform device. This also removed regmap debugfs facilities,
> which don't work without a device. Since there is no replacement, this
> patch allows again to register syscon regions with an associated device
> where that this device exists anyway.
> 
> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

Can you elaborate how you want to use the new interface?

My immediate reaction would be that drivers calling syscon_register()
are probably doing something wrong. If we want to restore the
debugfs interfaces, there might be a better way to do this automatically.

	Arnd