From patchwork Mon Dec 28 15:49:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 11991327 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 37E52C433E9 for ; Mon, 28 Dec 2020 15:50:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0D8D322583 for ; Mon, 28 Dec 2020 15:50:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2408280AbgL1PuY (ORCPT ); Mon, 28 Dec 2020 10:50:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46730 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2632864AbgL1PuX (ORCPT ); Mon, 28 Dec 2020 10:50:23 -0500 Received: from mail-lf1-x12c.google.com (mail-lf1-x12c.google.com [IPv6:2a00:1450:4864:20::12c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E74C2C061799; Mon, 28 Dec 2020 07:49:42 -0800 (PST) Received: by mail-lf1-x12c.google.com with SMTP id b26so24742189lff.9; Mon, 28 Dec 2020 07:49:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=zfb2Oj304hhOwNOrbWB2XftwVoXzBWq5pLB1bTxGch8=; b=iKAngwlt+W4NxAIhqG3ODUV2rL1VHbtt064egT/aLYXOjgxVVioyQMQPdfh9xqFnzW 2j/7TLctY7/Jt/+zLn39D3TIWWiEHxZd46vbYzYHsv5mIgW5XRl0m5tqQlrrL7JY+iTG dTLC22cOtc+kENBLIZjGD7xvCZP3nAt26NJA2FiumScaMui6AW0oPSGO35BEOi9MQMke 970Qd8GzgEFT9EfM6bneVleleEezvSil/17XxsxD6XMpKOLpuaZWd5l64enrOJ0d/HXM LsLNRmXCO1KqdWCT3uE6t7oM7ibVHHZi10/38/+P6rA39s69pZvDA4bkuvuQwKI2g2XY hB6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=zfb2Oj304hhOwNOrbWB2XftwVoXzBWq5pLB1bTxGch8=; b=ATiVll00SxJdq87OsrtYHPop4udFJyh94CaofjBH+yjtdC1FgZB3UZQ0RCqc74hx/m JIkBJq3LDbXiZoGGdzkl1KLsUzR+p34Ek2O88Kt8i28ZlVPfjnu2YNDFrVPp4Jz/kryf RoYp417Kov5FspcA7tF8DPkcn9pAUnwPWj1D8idME8TOxe4KOCTwozx2M7GlwDpwsebz cVEHr9e/7+nLl3mFmUJTGlQk75bG1oKuL0e+lKei7fYRgDqzfRxH2+87EaQa7CRriTGB WcGmfGsekhYrE0RsTCxOJDr6pPGg0y0oRlx/RkYPmmXYEz8fWWw+hSpMG1N4A6Ts9pOk Yh7A== X-Gm-Message-State: AOAM530Ou/cxp3bUrSBQ0LkiZoHibCYiIdTVLsM6sb7bP9OUM4QCjUXU k7s9jpeRl9bkzsXvv1SKFQU= X-Google-Smtp-Source: ABdhPJxG3IWIMT27oeVAaZqGgz4TA2twhb51FD6wTCGze7pM3+B5tX3hafbdwAiOVbMcB7IcbTK1rQ== X-Received: by 2002:a2e:8e2a:: with SMTP id r10mr21685009ljk.237.1609170581530; Mon, 28 Dec 2020 07:49:41 -0800 (PST) Received: from localhost.localdomain (109-252-192-57.dynamic.spd-mgts.ru. [109.252.192.57]) by smtp.gmail.com with ESMTPSA id s27sm6502262ljd.25.2020.12.28.07.49.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Dec 2020 07:49:41 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Georgi Djakov , Michael Turquette , Stephen Boyd , Peter De Schrijver , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Mikko Perttunen , Viresh Kumar , Peter Geis , Nicolas Chauvet , Krzysztof Kozlowski Cc: linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, Rob Herring , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH v12 2/5] memory: tegra124-emc: Continue probing if timings are missing in device-tree Date: Mon, 28 Dec 2020 18:49:17 +0300 Message-Id: <20201228154920.18846-3-digetx@gmail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201228154920.18846-1-digetx@gmail.com> References: <20201228154920.18846-1-digetx@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org EMC driver will become mandatory after turning it into interconnect provider because interconnect users, like display controller driver, will fail to probe using newer device-trees that have interconnect properties. Thus make EMC driver to probe even if timings are missing in device-tree. Tested-by: Nicolas Chauvet Signed-off-by: Dmitry Osipenko --- drivers/memory/tegra/tegra124-emc.c | 26 +++++++++----------------- 1 file changed, 9 insertions(+), 17 deletions(-) diff --git a/drivers/memory/tegra/tegra124-emc.c b/drivers/memory/tegra/tegra124-emc.c index edfbf6d6d357..8fb8c1af25c9 100644 --- a/drivers/memory/tegra/tegra124-emc.c +++ b/drivers/memory/tegra/tegra124-emc.c @@ -1201,23 +1201,15 @@ static int tegra_emc_probe(struct platform_device *pdev) ram_code = tegra_read_ram_code(); np = tegra_emc_find_node_by_ram_code(pdev->dev.of_node, ram_code); - if (!np) { - dev_err(&pdev->dev, - "no memory timings for RAM code %u found in DT\n", - ram_code); - return -ENOENT; - } - - err = tegra_emc_load_timings_from_dt(emc, np); - of_node_put(np); - if (err) - return err; - - if (emc->num_timings == 0) { - dev_err(&pdev->dev, - "no memory timings for RAM code %u registered\n", - ram_code); - return -ENOENT; + if (np) { + err = tegra_emc_load_timings_from_dt(emc, np); + of_node_put(np); + if (err) + return err; + } else { + dev_info(&pdev->dev, + "no memory timings for RAM code %u found in DT\n", + ram_code); } err = emc_init(emc);