From patchwork Mon Nov 23 00:27:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 330896 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=-15.8 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 69FABC83016 for ; Mon, 23 Nov 2020 00:32:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 27665221EB for ; Mon, 23 Nov 2020 00:32:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Lde7ZDqY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727054AbgKWAbZ (ORCPT ); Sun, 22 Nov 2020 19:31:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58526 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726997AbgKWAbW (ORCPT ); Sun, 22 Nov 2020 19:31:22 -0500 Received: from mail-lf1-x142.google.com (mail-lf1-x142.google.com [IPv6:2a00:1450:4864:20::142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AAE2EC061A4B; Sun, 22 Nov 2020 16:31:20 -0800 (PST) Received: by mail-lf1-x142.google.com with SMTP id z21so21398427lfe.12; Sun, 22 Nov 2020 16:31:20 -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=iEcxOMp1NLOMF0Qi1vlqDEHmnss3NDqpNYlgo52Rbfc=; b=Lde7ZDqYx8dJkOCebv5BhXG3l/59/kykD0OHSLRbiHLoPp9Zr+KqwSdCUovpwbuIuV 40Ug0wZPdzOm8sh2YNsTpr5iL/RKpwFVLyxj4Sys6+Eap181JcU3vjo723T3i3KGazdR XS74fVh70SrgGeRQvRbJSkiSKDmwmrh9OQN/DQ+0oPMuJEUdOdVp+puLukxtEHalqguO Sk4KL6W+bYqot121mvuO/oNuDSDJTR9SZElXwIpyqXLL7ErUgSPK4FbO2gJm44d/e5N+ Ecx1mtB6GcfdH7aGbhQhdU1/kcFThaPWohUx9Kf9wDSI2Ee8FnMnXHvbEBSIdzYciw3r 2HWw== 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=iEcxOMp1NLOMF0Qi1vlqDEHmnss3NDqpNYlgo52Rbfc=; b=fSARN7rv3WPc86uoLkODe6eAaXUtozm6N0Br8mIAwRHTvDGynDLlFB38le25TB9n6l bI0Cp3uH5dixI27ZGbMLBGY/YvI9SIjMO61+80D77lolr75lcMaGi5nYg1ZxgNdl6WTn xdM7VZUV382kB+wffRBHygvux/6H4mIejSREKU/7khNprRARrqFzr/gYnSYPwfEbM/kk nSAdFlxTyt/U2juY+iaZ8kUroVF0cCqYvZ4e5OEJFVJavvB8XILUyQg51Ngq7oyyf2ei LTG+B/7vEEO6MXZxoKUbIj0pDblpxAWm2BMnuJ1UHWs7P2KOzBxVn3w8Pi21AsKvT7A6 FMYA== X-Gm-Message-State: AOAM533z3aPekVMu93p+TnysZUeMZj6ZI2nnIEG7u5z4MtbOIBmBI/y9 bkSiLJIf1QN3FpuEtHzDLm8= X-Google-Smtp-Source: ABdhPJz1K729hX4qJiI+60UtmuZxTEjD8U6Rdp0X8aJQjoLdzHwtLAL92XIpv4YmX0zgw9gEY+MSPg== X-Received: by 2002:ac2:5591:: with SMTP id v17mr11553276lfg.562.1606091479185; Sun, 22 Nov 2020 16:31:19 -0800 (PST) Received: from localhost.localdomain (109-252-193-159.dynamic.spd-mgts.ru. [109.252.193.159]) by smtp.gmail.com with ESMTPSA id r27sm1225823lfn.290.2020.11.22.16.31.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 22 Nov 2020 16:31:18 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Georgi Djakov , Rob Herring , 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, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH v10 05/19] memory: tegra124-emc: Continue probing if timings are missing in device-tree Date: Mon, 23 Nov 2020 03:27:09 +0300 Message-Id: <20201123002723.28463-6-digetx@gmail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201123002723.28463-1-digetx@gmail.com> References: <20201123002723.28463-1-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. 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);