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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 0F132C433E0 for ; Fri, 15 Jan 2021 11:10:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D19F9235F9 for ; Fri, 15 Jan 2021 11:10:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728298AbhAOLKj (ORCPT ); Fri, 15 Jan 2021 06:10:39 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:11022 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726375AbhAOLKi (ORCPT ); Fri, 15 Jan 2021 06:10:38 -0500 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4DHJMm0Pqvzj82m; Fri, 15 Jan 2021 19:08:52 +0800 (CST) Received: from [127.0.0.1] (10.174.176.220) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.498.0; Fri, 15 Jan 2021 19:09:47 +0800 Subject: Re: [v2] Old platforms: bring out your dead To: Arnd Bergmann , Wei Xu CC: Linux ARM , "Linux Kernel Mailing List" , Krzysztof Adamski , Oleksij Rempel , Baruch Siach , Russell King - ARM Linux , Daniel Tang , =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , "Jamie Iles" , Barry Song , "Viresh Kumar" , Linus Walleij , Jonas Jensen , Marc Gonzalez , Hartley Sweeten , Lubomir Rintel , Neil Armstrong , Shawn Guo , Alex Elder , "Alexander Shiyan" , Koen Vandeputte , Hans Ulli Kroll , Vladimir Zapolskiy , Steven Rostedt , Yoshinori Sato , Mark Salter , "Michael Ellerman" , Geert Uytterhoeven , Thomas Bogendoerfer , Tony Prisk , Krzysztof Halasa References: <60013F54.9050305@hisilicon.com> From: "Leizhen (ThunderTown)" Message-ID: <14914300-b98a-fc60-fc06-0a6d62729d8e@huawei.com> Date: Fri, 15 Jan 2021 19:09:44 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.176.220] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021/1/15 17:26, Arnd Bergmann wrote: > On Fri, Jan 15, 2021 at 8:08 AM Wei Xu wrote: >> On 2021/1/14 0:14, Arnd Bergmann wrote: >>> On Fri, Jan 8, 2021 at 11:55 PM Arnd Bergmann wrote: >>> * mmp -- added in 2009, DT support is active, but board files might go >>> * cns3xxx -- added in 2010, last fixed in 2019, probably no users left >>> * hisi (hip01/hip05) -- servers added in 2013, replaced with arm64 in 2016 >> >> I think it is OK to drop the support of the hip01(arm32) and hip05(arm64). >> Could you also help to drop the support of the hip04(arm32) which I think nobody use as well? > > Thank you for your reply! I actually meant to write hip04 instead of hip05, > so I was only asking about the two 32-bit targets. I would expect that > hip05 still has a few users, but wouldn't mind removing that as well if you > are sure there are none. > > Since Zhen Lei is starting to upstream Kunpeng506 and Kunpeng509 > support, can you clarify how much reuse of IP blocks there is between > hip04 and those? In particular, hip04 has custom code for (at least) > platmcpm, clk, irqchip, ethernet, and hw_rng, probably more as those > were only the ones I see on a quick grep. > > If we remove hip04, should we remove all these drivers right away, > or keep some of them around? I think the drivers should be kept. Currently, at least hip04_eth.c and irq-hip04.c are used. These drivers were originally written for Hip04, but the drivers used by other boards maybe similar to them. Therefore, these drivers are extended without adding new drivers. > > Arnd > > . > 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=-5.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 783EAC433E0 for ; Fri, 15 Jan 2021 11:11:43 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 2BA24235F9 for ; Fri, 15 Jan 2021 11:11:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2BA24235F9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=bKfuNgOhoH9MwLd0n+szG1S74rbb1gykNZYBgi/kt9g=; b=aDQYaSt/jIss+4qKzJxKmRh8O 9jE1dRRhXP8CmWTkzY9aKxVEIMAi8J1IxVH97YM6oYDX3TzezHdgfLZIYxQH/Ub5pkIfIoh7ipjsm 8npVwlkam0dUqm/cxznUkPma54AJGm99QAoUJDeQI53kjTuKXJIdFOqvt+l9s2dq3BenxdPz0L5d5 uxjNcXlGQuVZRnwQtUEqrICeQVGbH27OQzHzzFg99g1jeT48cm7k/oL3tfqcQmneTRG3DG0ER4r44 LR46/1ekOY1m/h+xejZX9lMIOER+cHMyK+ukkGgo4fgL7dFPmGZ4HSfu0IKd3m4/WYyQSWkclR3sa dJqIaBaLA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l0Mzg-0007AI-8q; Fri, 15 Jan 2021 11:10:16 +0000 Received: from szxga05-in.huawei.com ([45.249.212.191]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l0Mzc-00078u-FK for linux-arm-kernel@lists.infradead.org; Fri, 15 Jan 2021 11:10:14 +0000 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4DHJMm0Pqvzj82m; Fri, 15 Jan 2021 19:08:52 +0800 (CST) Received: from [127.0.0.1] (10.174.176.220) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.498.0; Fri, 15 Jan 2021 19:09:47 +0800 Subject: Re: [v2] Old platforms: bring out your dead To: Arnd Bergmann , Wei Xu References: <60013F54.9050305@hisilicon.com> From: "Leizhen (ThunderTown)" Message-ID: <14914300-b98a-fc60-fc06-0a6d62729d8e@huawei.com> Date: Fri, 15 Jan 2021 19:09:44 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Originating-IP: [10.174.176.220] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210115_061013_595776_2BB17A86 X-CRM114-Status: GOOD ( 19.53 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Baruch Siach , Geert Uytterhoeven , Neil Armstrong , Viresh Kumar , Linus Walleij , Daniel Tang , Jamie Iles , Krzysztof Adamski , Alexander Shiyan , Michael Ellerman , Russell King - ARM Linux , Oleksij Rempel , Alex Elder , Marc Gonzalez , Hans Ulli Kroll , =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Steven Rostedt , Vladimir Zapolskiy , Lubomir Rintel , Krzysztof Halasa , Koen Vandeputte , Linux ARM , Barry Song , Thomas Bogendoerfer , Yoshinori Sato , Linux Kernel Mailing List , Jonas Jensen , Tony Prisk , Hartley Sweeten , Mark Salter , Shawn Guo Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2021/1/15 17:26, Arnd Bergmann wrote: > On Fri, Jan 15, 2021 at 8:08 AM Wei Xu wrote: >> On 2021/1/14 0:14, Arnd Bergmann wrote: >>> On Fri, Jan 8, 2021 at 11:55 PM Arnd Bergmann wrote: >>> * mmp -- added in 2009, DT support is active, but board files might go >>> * cns3xxx -- added in 2010, last fixed in 2019, probably no users left >>> * hisi (hip01/hip05) -- servers added in 2013, replaced with arm64 in 2016 >> >> I think it is OK to drop the support of the hip01(arm32) and hip05(arm64). >> Could you also help to drop the support of the hip04(arm32) which I think nobody use as well? > > Thank you for your reply! I actually meant to write hip04 instead of hip05, > so I was only asking about the two 32-bit targets. I would expect that > hip05 still has a few users, but wouldn't mind removing that as well if you > are sure there are none. > > Since Zhen Lei is starting to upstream Kunpeng506 and Kunpeng509 > support, can you clarify how much reuse of IP blocks there is between > hip04 and those? In particular, hip04 has custom code for (at least) > platmcpm, clk, irqchip, ethernet, and hw_rng, probably more as those > were only the ones I see on a quick grep. > > If we remove hip04, should we remove all these drivers right away, > or keep some of them around? I think the drivers should be kept. Currently, at least hip04_eth.c and irq-hip04.c are used. These drivers were originally written for Hip04, but the drivers used by other boards maybe similar to them. Therefore, these drivers are extended without adding new drivers. > > Arnd > > . > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel