From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753749AbbKWKLu (ORCPT ); Mon, 23 Nov 2015 05:11:50 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:42314 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751190AbbKWKLs (ORCPT ); Mon, 23 Nov 2015 05:11:48 -0500 Date: Mon, 23 Nov 2015 11:11:45 +0100 From: Pavel Machek To: Lee Jones Cc: Charles Keepax , Mark Brown , sameo@linux.intel.com, lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.de, patches@opensource.wolfsonmicro.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: Re: multi-codec support for arizona-ldo1 was Re: System with multiple arizona (wm5102) codecs Message-ID: <20151123101145.GA1452@amd> References: <20151113215812.GA19020@amd> <20151113225355.GU12392@sirena.org.uk> <20151114074400.GA7898@amd> <20151114123931.GW12392@sirena.org.uk> <20151114175915.GA20429@amd> <20151114184940.GY12392@sirena.org.uk> <20151114211633.GE20429@amd> <20151116141142.GE18889@ck-lbox> <20151122065140.GC26074@amd> <20151123081857.GF3098@x1> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151123081857.GF3098@x1> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon 2015-11-23 08:18:57, Lee Jones wrote: > On Sun, 22 Nov 2015, Pavel Machek wrote: > > > On Mon 2015-11-16 14:11:42, Charles Keepax wrote: > > > On Sat, Nov 14, 2015 at 10:16:33PM +0100, Pavel Machek wrote: > > > > HiOn Sat 2015-11-14 18:49:40, Mark Brown wrote: > > > > > On Sat, Nov 14, 2015 at 06:59:16PM +0100, Pavel Machek wrote: > > > > > > > > > > > Well, mfd_core.c seems to call regulator_bulk_register_supply_alias() > > > > > > with device that does not have dev_name initialized. > > > > > > > > > > OK, that'll be the problem then - we're not mapping the supply into the > > > > > individual child device but rather system wide, probably because that > > > > > mapping is being done too early, before we've actually created the > > > > > device. > > > > > > > > Take a look at mfd_add_device(). Yes, we do > > > > regulator_bulk_register_supply_alias() before doing > > > > platform_device_add(). > > > > > > > > > > regulator_bulk_register_supply_alias() results in "Adding alias" > > > > > > stuff, and then drivers/regulator/arizona-micsupp.c tries to register > > > > > > another "MICVDD". > > > > > > > > > > That's fine because all supplies should be namespaced with a device. > > > > > The goal is to say "Supply X on device Y" (we do support exceptions for > > > > > the few cases where there are not yet any devices involved but this > > > > > clearly isn't one of them). > > > > > > Indeed that should be the case. > > > > > > > > > > > Well, clearly someone should tell that to wm5102 > > > > maintainers. Hmm. It looks like driver is marked supported but there > > > > are no names attached? > > > > > > > > WOLFSON MICROELECTRONICS DRIVERS > > > > L: patches@opensource.wolfsonmicro.com > > > > T: git git://opensource.wolfsonmicro.com/linux-2.6-asoc > > > > T: git git://opensource.wolfsonmicro.com/linux-2.6-audioplus > > > > W: > > > > http://opensource.wolfsonmicro.com/content/linux-drivers-wolfson-device\ > > > > s > > > > S: Supported > > > > > > > > I guess Charles Keepax should be listed there? > > > > > > The patches mailing list functions as maintainer here. That way > > > anyone who works on upstream Linux stuff here will see the email > > > so you have more chance of someone replying. Also convient for > > > when people leave the company etc. makes for an easy transition. > > > I am afraid though that as in this case you are not always going > > > to get a reply over the weekend. > > > > Well.. maintainer is a responsible person. Yes, you can list a mailing > > list in maintainers file.. but mailing list is not going to be > > responsible for that. > > > > Having a real name of person helps; if your name was listed there, I'd > > know you (are supposed to be) authoritative person for this. > > > > I see it will need to be updated from time to time, but having name > > really helps. > > A Mailing List is perfectly adequate for drivers which reside in a > maintained subsystem. No requirement to submit names, particularly if > there are lots of authorities personnel or if the personalities change > regularly. That's what I'm saying. It is good to know who is the person of authority, as you can't tell from the From: address. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html