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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 88221C63777 for ; Mon, 30 Nov 2020 21:18:01 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9DA8F2076A for ; Mon, 30 Nov 2020 21:18:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9DA8F2076A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ravnborg.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4ClJ3p2Rs0zDqh2 for ; Tue, 1 Dec 2020 08:17:58 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=ravnborg.org (client-ip=109.247.116.14; helo=asavdk3.altibox.net; envelope-from=sam@ravnborg.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ravnborg.org Received: from asavdk3.altibox.net (asavdk3.altibox.net [109.247.116.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4ClJ1n3Yd5zDqdX for ; Tue, 1 Dec 2020 08:16:11 +1100 (AEDT) Received: from ravnborg.org (unknown [188.228.123.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by asavdk3.altibox.net (Postfix) with ESMTPS id 9E5652001F; Mon, 30 Nov 2020 22:16:01 +0100 (CET) Date: Mon, 30 Nov 2020 22:16:00 +0100 From: Sam Ravnborg To: Krzysztof Kozlowski Subject: Re: [PATCH 0/5] drop unused BACKLIGHT_GENERIC option Message-ID: <20201130211600.GA1779005@ravnborg.org> References: <20201130152137.24909-1-andrey.zhizhikin@leica-geosystems.com> <20201130191133.GA1565464@ravnborg.org> <20201130202501.GA32878@kozik-lap> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201130202501.GA32878@kozik-lap> X-CMAE-Score: 0 X-CMAE-Analysis: v=2.3 cv=Ibmpp1ia c=1 sm=1 tr=0 a=S6zTFyMACwkrwXSdXUNehg==:117 a=S6zTFyMACwkrwXSdXUNehg==:17 a=kj9zAlcOel0A:10 a=Yxuugev4iBag0mAJ72kA:9 a=CjuIK1q_8ugA:10 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alexandre.belloni@bootlin.com, tony@atomide.com, linux-kernel@vger.kernel.org, James.Bottomley@hansenpartnership.com, thierry.reding@gmail.com, paulus@samba.org, lee.jones@linaro.org, daniel.thompson@linaro.org, linux-omap@vger.kernel.org, Arnd Bergmann , deller@gmx.de, linux@armlinux.org.uk, jonathanh@nvidia.com, ludovic.desroches@microchip.com, catalin.marinas@arm.com, linux-mips@vger.kernel.org, will@kernel.org, mripard@kernel.org, Andrey Zhizhikin , linux-tegra@vger.kernel.org, wens@csie.org, linux-arm-kernel@lists.infradead.org, jernej.skrabec@siol.net, tsbogend@alpha.franken.de, linux-parisc@vger.kernel.org, emil.l.velikov@gmail.com, nicolas.ferre@microchip.com, Olof Johansson , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Hi Krzysztof, On Mon, Nov 30, 2020 at 10:25:01PM +0200, Krzysztof Kozlowski wrote: > On Mon, Nov 30, 2020 at 08:11:33PM +0100, Sam Ravnborg wrote: > > On Mon, Nov 30, 2020 at 03:21:32PM +0000, Andrey Zhizhikin wrote: > > > Since the removal of generic_bl driver from the source tree in commit > > > 7ecdea4a0226 ("backlight: generic_bl: Remove this driver as it is > > > unused") BACKLIGHT_GENERIC config option became obsolete as well and > > > therefore subject to clean-up from all configuration files. > > > > > > This series introduces patches to address this removal, separated by > > > architectures in the kernel tree. > > > > > > Andrey Zhizhikin (5): > > > ARM: configs: drop unused BACKLIGHT_GENERIC option > > > arm64: defconfig: drop unused BACKLIGHT_GENERIC option > > > MIPS: configs: drop unused BACKLIGHT_GENERIC option > > > parisc: configs: drop unused BACKLIGHT_GENERIC option > > > powerpc/configs: drop unused BACKLIGHT_GENERIC option > > > > For defconfigs I expect arch maintainers to do a make xxxdefconfig / make > > savedefconfig / cp defconfig ... run now and then - this will remove > > all such symbols. > > savedefconfig can be tricky because of risk of loosing options: > 1. it will remove options which became the default or became selected, > 2. later when the default is changed or selecting option is removed, the > first option from #1 will not be brought back. > > This was already for example with DEBUG_FS and the conclusion that time > was - do not run savedefconfig automatically. > > Therefore if some symbol(s) can be safely removed, patch is welcomed. Thanks for letting me know, I have missed that discussion and was obviously not aware. I already acked'ed the patches and hope the soc people will pick them up. Sam