From patchwork Sun Feb 6 13:58:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 12736572 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id ECC4AC4332F for ; Sun, 6 Feb 2022 14:04:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234424AbiBFOEN (ORCPT ); Sun, 6 Feb 2022 09:04:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234263AbiBFOEL (ORCPT ); Sun, 6 Feb 2022 09:04:11 -0500 Received: from smtp-relay-internal-0.canonical.com (smtp-relay-internal-0.canonical.com [185.125.188.122]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C6627C043183 for ; Sun, 6 Feb 2022 06:04:10 -0800 (PST) Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-internal-0.canonical.com (Postfix) with ESMTPS id C6F61405B3 for ; Sun, 6 Feb 2022 13:58:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1644155901; bh=SAhW/a84WS23pzYvstDyhGEwqpxke2RgUd70WOPmdjA=; h=From:To:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=anYClgjmCc8fCdLyIHIcrcZAS3QKJqxpqZI3Ws26kqGwNqJTY6IARq6Mh8QXNbGqN JJFY3Fry/eb0qC0GNup9HtlWfSbJqHHNOzBKVp/VCIxuKgmSXe/4CV9fZP5ufqtTo+ leX661KymSiNf1UANNBU3mTZ40yEX/AOQE93J6A8JJnYfyPIQoRh0nGCTcCd+riBcq wu06Av62vLMEvhBBchsty319gIJ4o7d+l7etehcf/cDHzIu5X/XLXyBq4TQcd+ken/ VrunzQ2cDpptMHP+DE4LFFP1aJbQ/YESrI6iF+nBIvNn++XnyZ6FBHozQsHwE4VtHQ oxIszmmq3vhZw== Received: by mail-wm1-f70.google.com with SMTP id m3-20020a7bcb83000000b0034f75d92f27so4242965wmi.2 for ; Sun, 06 Feb 2022 05:58:21 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=SAhW/a84WS23pzYvstDyhGEwqpxke2RgUd70WOPmdjA=; b=2TmjCNrZQ24hXa0bIoPhX1gr5Vxm/+4I3xnZ3jveWyt3zNW0eg99DasYrir2Kt5WIk SebNaUWIsQ9mIhk6nUP7RKa4207aNg+IDeqFnu+2UGiPKTOeL1/OfS1cYPHgtuJqtEF4 Kj94hoUIWY62dqMm/TPCABITupvdO3efb8oKytvYT/pqqvF2banZWP4NsfmHzvhE2E// 3Sf0wNIjKNMlzn2TWETCumi4SxR0vukMIbFXGJl2ul5sre2nGxKkBxZilpAp9IVYXtJL YofIATj+pN9EUR1fF7P89UgtQBGo4460KC9hf84PagEbzyT6yVI8SIiWuWWGX5bbhqKI 4d5g== X-Gm-Message-State: AOAM5308/KDfWlStrVRrN0mtflEJSywduE5gqSRJGOibbQr1oKXJ69DU MUTP0ReLID8ghrdwwW0TPO7VG1PYNYaqJjG6pw9sfaPLQd8iJdbPmFm8o3nhSYbubVPfQPAiQAN d7CIf6os5LoQLpQmN4xEG6uzAoK7hUPuSrsrfE/JdsWqUBUXR X-Received: by 2002:a5d:5981:: with SMTP id n1mr6623850wri.354.1644155900203; Sun, 06 Feb 2022 05:58:20 -0800 (PST) X-Google-Smtp-Source: ABdhPJytvwW46TDkRhn6fTvRn7j0B7m4/zg+NDrjv6/9KG89d6habuNMjHscp6X1w/nZLrHXawIU3w== X-Received: by 2002:a5d:5981:: with SMTP id n1mr6623839wri.354.1644155900042; Sun, 06 Feb 2022 05:58:20 -0800 (PST) Received: from localhost.localdomain (xdsl-188-155-168-84.adslplus.ch. [188.155.168.84]) by smtp.gmail.com with ESMTPSA id e9sm8296888wrg.60.2022.02.06.05.58.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 06 Feb 2022 05:58:19 -0800 (PST) From: Krzysztof Kozlowski To: Krzysztof Kozlowski , Rob Herring , Lukasz Luba , Alim Akhtar , Dmitry Osipenko , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 7/8] memory: of: parse max-freq property Date: Sun, 6 Feb 2022 14:58:06 +0100 Message-Id: <20220206135807.211767-8-krzysztof.kozlowski@canonical.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220206135807.211767-1-krzysztof.kozlowski@canonical.com> References: <20220206135807.211767-1-krzysztof.kozlowski@canonical.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Passing the memory timings maximum frequency as an unit address was a workaround and instead 'max-freq' is preferred. Look for 'max-freq' first and then fallback to 'reg'. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Dmitry Osipenko Reviewed-by: Alim Akhtar --- drivers/memory/of_memory.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/memory/of_memory.c b/drivers/memory/of_memory.c index b94408954d85..bac5c7f34936 100644 --- a/drivers/memory/of_memory.c +++ b/drivers/memory/of_memory.c @@ -212,8 +212,10 @@ static int of_lpddr3_do_get_timings(struct device_node *np, { int ret; - /* The 'reg' param required since DT has changed, used as 'max-freq' */ - ret = of_property_read_u32(np, "reg", &tim->max_freq); + ret = of_property_read_u32(np, "max-freq", &tim->max_freq); + if (ret) + /* Deprecated way of passing max-freq as 'reg' */ + ret = of_property_read_u32(np, "reg", &tim->max_freq); ret |= of_property_read_u32(np, "min-freq", &tim->min_freq); ret |= of_property_read_u32(np, "tRFC", &tim->tRFC); ret |= of_property_read_u32(np, "tRRD", &tim->tRRD);