From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 85985C2F3A0 for ; Mon, 21 Jan 2019 12:56:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4F1F920855 for ; Mon, 21 Jan 2019 12:56:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548075416; bh=Nr7X6UbcEo4FC1SeWNL+U06AidF97EcJHWPX6Ot6hqY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=aP4lhTo6R3+fUdUtR1k4CbcB5JAXjkePYqvKms8zIQ4Akp9dRnioIuY5HSOAiME6I v0uzv7S5HL/fPt3HTS6qYXkMZL7aVtUA4d1Om0thsfZkevLeW6fSW2y54xnQDHSzi+ AYCgcDQuGKje1DdjXw//Hh8f4SQzeymqSYXGeFw4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728706AbfAUM4y (ORCPT ); Mon, 21 Jan 2019 07:56:54 -0500 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:42614 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728162AbfAUM4y (ORCPT ); Mon, 21 Jan 2019 07:56:54 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sirena.org.uk; s=20170815-heliosphere; h=In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=mVaEVPdU/bhPWPCtM76Lx0PzPFRXpL/jkWW2A31Z5JA=; b=b9Ra6kmBiM70kIRO4PZBH8UQW 5qwlk9W8GNXCRxqvLBtsmb2K2i9oXC4H/x/MNyDxnBW52LRJ5G16ZLK0wN/P4SwMrnGKrMYEUgCAn 6pRHhzOsgWUkgCZPK5LhG3mAcImhcftLYA1GuJaaWXGujJ0nQ5Zq2C0FHwhv8mEARJd2g=; Received: from cpc102320-sgyl38-2-0-cust46.18-2.cable.virginm.net ([82.37.168.47] helo=debutante.sirena.org.uk) by heliosphere.sirena.org.uk with esmtpa (Exim 4.89) (envelope-from ) id 1glZ8C-0004Ph-Ji; Mon, 21 Jan 2019 12:56:48 +0000 Received: by debutante.sirena.org.uk (Postfix, from userid 1000) id 2A6C7112767C; Mon, 21 Jan 2019 12:56:48 +0000 (GMT) Date: Mon, 21 Jan 2019 12:56:48 +0000 From: Mark Brown To: Benjamin GAIGNARD Cc: "robh@kernel.org" , "arnd@arndb.de" , "linux-kernel@vger.kernel.org" , Loic PALLARDY , "benjamin.gaignard@linaro.org" Subject: Re: [RFC 2/7] domainsctrl: Introduce domains controller framework Message-ID: <20190121125648.GC12679@sirena.org.uk> References: <20190114144202.27315-1-benjamin.gaignard@st.com> <20190114144202.27315-3-benjamin.gaignard@st.com> <20190117172758.GD7003@sirena.org.uk> <7a1c6906-7b16-317f-ead8-35bbcf07d95a@st.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="E/DnYTRukya0zdZ1" Content-Disposition: inline In-Reply-To: <7a1c6906-7b16-317f-ead8-35bbcf07d95a@st.com> X-Cookie: Body by Nautilus, Brain by Mattel. User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --E/DnYTRukya0zdZ1 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, Jan 18, 2019 at 09:26:45AM +0000, Benjamin GAIGNARD wrote: > On 1/17/19 6:27 PM, Mark Brown wrote: > > On Mon, Jan 14, 2019 at 03:41:57PM +0100, Benjamin Gaignard wrote: > > Do you have any clients in the works for this? It seems fairly likely > > that everything is fine in terms of setting the mode but it'd be good to > > confirm that's the case. The main thing I can think of that might be a > Patch 3 use those functions to apply the default configuration before probing > a driver (or after unbind it). I have in mind that drivers could ask to apply Right, I saw that but I was more thinking of individual drivers. > a configuration like it is done for pinctrl in resume/suspend functions. > An example of that could be to start the hardware block on the main processor > and, when going to sleep, change the configuration to grant the access to lower > power processor. Yes, that sounds like a good application. I can also imagine something like handing some hardware over to an acceleration engine (or a smaller microcontroller core acting as one). --E/DnYTRukya0zdZ1 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAlxFwY8ACgkQJNaLcl1U h9BRVQf/SCt9cFEUoyj1jpdrWzNQk9/QpMeo9vIdIQW3azOOG2Ya9vrQvs8/un1s Wu9XQ00tWL2DfHnYD+qsYr/ZpwXS2zBpVr4lnjLzCrtti2JfY9Bw6WWiLl+P6NLv FAvHf9ipSSsKH+t/+Rq3C5R1j08FqwVzs7nLuJokeG2SMUvgUY4N4TUNR5Z910yz uQJ6mI82eoZIlNgNLZ+LQkmgLLgoz+NQvHCj8QXI02UFdeBp48vnYICzpKSw7XI4 J41/URlNxdA/r61J4yCKcp0tLuiIUsbKSnIriv4EOJ7qY+qemqI1i2I8a1tcraSI elFp1PN76cHt7KH4ynwdJM0hV01HSA== =Ashd -----END PGP SIGNATURE----- --E/DnYTRukya0zdZ1--