From patchwork Sun Aug 11 21:00:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 1145407 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="XsajvYfI"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 466BJ44BK8z9sML for ; Mon, 12 Aug 2019 07:02:28 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726822AbfHKVCX (ORCPT ); Sun, 11 Aug 2019 17:02:23 -0400 Received: from mail-lj1-f195.google.com ([209.85.208.195]:45253 "EHLO mail-lj1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726538AbfHKVBf (ORCPT ); Sun, 11 Aug 2019 17:01:35 -0400 Received: by mail-lj1-f195.google.com with SMTP id t3so8053675ljj.12; Sun, 11 Aug 2019 14:01:33 -0700 (PDT) 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=cHY/PWsCS9Gy0qH6S2V8hqONNTeRxBp0T3nKwM2El6E=; b=XsajvYfIrvqnSOATXw5LoOEjOBxqB5BHM8ePTK0OUIUtbOGI8wQ8Rh75tVnY5v4xk5 piIu7n3FVh6P7MZywnL77+ZbnipQH4VRxMziKv8miByQus8yG1hJGuaESL7gpVwIIGSV 1WnkEwyp1mtaHMNvYCg8fKhX4+1LANUZu+ALcAt0NHGGHfjWSze1D16AtrbRsXQy+RW3 /oGkClZqUPvdZF2rrCBL2qrdvFV7noh06QlIyOpQ7UeVwJk5TfuFWY/rOUYLOjZlMgwq U8Wl3HVSGmuB1I2lzdAMpZkDjIQmXql7sLguiRQQiWWoftE+zvowkKAAtpU8jXtGonMH /R/Q== 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=cHY/PWsCS9Gy0qH6S2V8hqONNTeRxBp0T3nKwM2El6E=; b=MGQwI9Wqk1+PqTaeiQsl6CsJXahwqwZvTm3gSEiRxnX0q2R9C52EruofHSA7QMa0q9 LvR5NRyy/3Tr3AsvfIBGeA8B/bqtBSJvkosr0MiI8QjZZuxZw1drLHL3dOT8rUjvm12R KfkiDMISvdAJjpRao+axhTVHRlorsiloyIxJySMVbog1rg/JGQDX0DFtZ6o8xEJEsIBC Tp8c6NRo74reYMDqBpw9TauAjPUWt2rl876s9e8q25E62QcbFz9qrhgKjYnjiPCpFYsa pqzbpoqJal2zrmZsvZSraAol6zfjU32qrgXDAKTKb9g1OnQrPR4zOlFnJQ0KO7SYy0cQ 8jnw== X-Gm-Message-State: APjAAAXpAdEugLHCnGBp67/brPQ3N7O/lltZoBl2tjrKDhB2bEKZGN8x ykuVf+jluqkvx2QRiN4NfI0= X-Google-Smtp-Source: APXvYqxSXFRtlpyQJ1+QRkKz9tGMoMIDVCDC3Z1uGK7kdurpnRZ0Oqq1INaOLruxk4rOev4+y1oc0w== X-Received: by 2002:a2e:900c:: with SMTP id h12mr16721394ljg.197.1565557292777; Sun, 11 Aug 2019 14:01:32 -0700 (PDT) Received: from localhost.localdomain ([94.29.34.218]) by smtp.gmail.com with ESMTPSA id z25sm18708161lfi.51.2019.08.11.14.01.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 11 Aug 2019 14:01:32 -0700 (PDT) From: Dmitry Osipenko To: Rob Herring , Michael Turquette , Joseph Lo , Thierry Reding , Jonathan Hunter , Peter De Schrijver , Prashant Gaikwad , Stephen Boyd Cc: devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v10 06/15] memory: tegra20-emc: Print a brief info message about the timings Date: Mon, 12 Aug 2019 00:00:34 +0300 Message-Id: <20190811210043.20122-7-digetx@gmail.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190811210043.20122-1-digetx@gmail.com> References: <20190811210043.20122-1-digetx@gmail.com> MIME-Version: 1.0 Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org During boot print how many memory timings got the driver and what's the RAM code. This is a very useful information when something is wrong with boards memory timing. Suggested-by: Marc Dietrich Signed-off-by: Dmitry Osipenko --- drivers/memory/tegra/tegra20-emc.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c index 85c24f285fd4..25a6aad6a7a9 100644 --- a/drivers/memory/tegra/tegra20-emc.c +++ b/drivers/memory/tegra/tegra20-emc.c @@ -368,6 +368,13 @@ static int tegra_emc_load_timings_from_dt(struct tegra_emc *emc, sort(emc->timings, emc->num_timings, sizeof(*timing), cmp_timings, NULL); + dev_info(emc->dev, + "got %u timings for RAM code %u (min %luMHz max %luMHz)\n", + emc->num_timings, + tegra_read_ram_code(), + emc->timings[0].rate / 1000000, + emc->timings[emc->num_timings - 1].rate / 1000000); + return 0; }