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=-5.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 BF145C4724C for ; Wed, 6 May 2020 18:16:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 990322075E for ; Wed, 6 May 2020 18:16:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=cogentembedded-com.20150623.gappssmtp.com header.i=@cogentembedded-com.20150623.gappssmtp.com header.b="rPTQCTEx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730096AbgEFSQa (ORCPT ); Wed, 6 May 2020 14:16:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730012AbgEFSQ2 (ORCPT ); Wed, 6 May 2020 14:16:28 -0400 Received: from mail-lf1-x144.google.com (mail-lf1-x144.google.com [IPv6:2a00:1450:4864:20::144]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 64A0BC061A10 for ; Wed, 6 May 2020 11:16:28 -0700 (PDT) Received: by mail-lf1-x144.google.com with SMTP id g10so2154879lfj.13 for ; Wed, 06 May 2020 11:16:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cogentembedded-com.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:organization:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=KEXpBFdxDsOsxHUJbKHvTc13/63fZoyJiUI7zCS8HKc=; b=rPTQCTExlqHfI8liKWG2uYWysFbuJpKzXBvgKhuaKXumurQdsmN6X5rXcyzcrnvTqe hjLgZMiOTGz3bC7k/hXGytt5QJw0YgmMep5W+QROGqanjsux/SsiM/fcd4/WTiMx9wVX DhXBp1zjJziGEecwATXN2bilY9Ak3JH+3FAAFRKortUPAENzF43pyO9lvaAkJOQh+EL0 u32+izeEWl/qlexOGNb/t11LYZQB/+N33G3sTrz5AFrKgcXaIOL4pwl6s/7pyZnR4UsX CRvgW+H5vvR/QiFp9M0BN9wS3B7Dw7INdqu0/rmH70DuccuHyS/UQxEtgy6TSSQhZQkh k5GA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:organization :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=KEXpBFdxDsOsxHUJbKHvTc13/63fZoyJiUI7zCS8HKc=; b=HqEcMkxB6muuaghKpfD35PwDocuC5GpRZngCDDN/OMjbqVQw7phkmO28wD0biIuiCp m13YSLzgNMR1M03GmEuMFVDYHpjJVDCZvPWDB3vnqPypkMiLv6XvAejREYPwFgpv2+ds Mqo54CrjJUMWlugnHAIUXWe5QDysgWPaSpr0b4ZexsBtFuOiSe+iaASyR6aGAOrCuywW UDWofT1OxMqdMQGMJub2WSXn3Lt6qelBdmVP1TVCo0MV2QqyAP3Vw5Xee3loqb2Qy9KL ESfcJfoTx9jwqWhVPZMwZ8IdIeUUBGokP8sVFOkDeT9DWJ1Mbo2thELAIVmgpzfoM2sd s/GQ== X-Gm-Message-State: AGi0PubORzuSh2jobu8ev0Qtut5APq/tmaQm6V3mI0NCCFdHcfRNGhW2 dUOJCuPNvxGlsnt8Dw+8N5Wy3A== X-Google-Smtp-Source: APiQypLGUWwNuylqLwt0ewr21qw7FidtN22GXOYoec8xwlCm+ZbM/KF1pXlnii0P1kP7utaJvncpwQ== X-Received: by 2002:a05:6512:3ea:: with SMTP id n10mr5747624lfq.127.1588788986770; Wed, 06 May 2020 11:16:26 -0700 (PDT) Received: from wasted.cogentembedded.com ([2a00:1fa0:46f7:c018:da89:7e41:8ab5:299d]) by smtp.gmail.com with ESMTPSA id 25sm2087051lfr.92.2020.05.06.11.16.24 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 06 May 2020 11:16:25 -0700 (PDT) Subject: Re: [PATCH v2 14/20] mips: Use offset-sized IO-mem accessors in CPS debug printout To: Sergey.Semin@baikalelectronics.ru, Thomas Bogendoerfer Cc: Serge Semin , Alexey Malahov , Paul Burton , Ralf Baechle , Arnd Bergmann , Rob Herring , linux-pm@vger.kernel.org, devicetree@vger.kernel.org, Allison Randal , Greg Kroah-Hartman , Thomas Gleixner , linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org References: <20200306124807.3596F80307C2@mail.baikalelectronics.ru> <20200506174238.15385-1-Sergey.Semin@baikalelectronics.ru> <20200506174238.15385-15-Sergey.Semin@baikalelectronics.ru> From: Sergei Shtylyov Organization: Cogent Embedded Message-ID: <82e98cee-d39e-7df2-8b0d-ac77defd5dd8@cogentembedded.com> Date: Wed, 6 May 2020 21:16:24 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <20200506174238.15385-15-Sergey.Semin@baikalelectronics.ru> Content-Type: text/plain; charset=utf-8 Content-Language: en-MW Content-Transfer-Encoding: 7bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hello! On 05/06/2020 08:42 PM, Sergey.Semin@baikalelectronics.ru wrote: > From: Serge Semin > > Similar to commit 8e5c62e38a88 ("mips: early_printk_8250: Use offset-sized > IO-mem accessors") the IO-memory might require to use a proper load/store > instructions (like Bailal-T1 IO-memory). To fix the cps-vec UART debug Baikal? :-) > printout lets use the memory access instructions in accordance with the > UART registers offset config specified at boot time. > > Signed-off-by: Serge Semin > Cc: Alexey Malahov > Cc: Thomas Bogendoerfer > Cc: Paul Burton > Cc: Ralf Baechle > Cc: Arnd Bergmann > Cc: Rob Herring > Cc: linux-pm@vger.kernel.org > Cc: devicetree@vger.kernel.org > > --- > There might be another problem in cps-vec-ns16550.S connected with the > difference in CPU/devices endinanness on some platforms. But there is Endianness. > no such for Baikal-T1 SoC. [...] MBR, Sergei