Message ID | 20200607185530.18113-33-digetx@gmail.com (mailing list archive) |
---|---|
State | Not Applicable, archived |
Headers | show
Return-Path: <SRS0=imOP=7U=vger.kernel.org=linux-pm-owner@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1A3E71391 for <patchwork-linux-pm@patchwork.kernel.org>; Sun, 7 Jun 2020 18:58:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EBDE02081A for <patchwork-linux-pm@patchwork.kernel.org>; Sun, 7 Jun 2020 18:58:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="dVsgERA8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730159AbgFGS6b (ORCPT <rfc822;patchwork-linux-pm@patchwork.kernel.org>); Sun, 7 Jun 2020 14:58:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728972AbgFGS5y (ORCPT <rfc822;linux-pm@vger.kernel.org>); Sun, 7 Jun 2020 14:57:54 -0400 Received: from mail-lj1-x242.google.com (mail-lj1-x242.google.com [IPv6:2a00:1450:4864:20::242]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 41208C08C5C3; Sun, 7 Jun 2020 11:57:54 -0700 (PDT) Received: by mail-lj1-x242.google.com with SMTP id c17so17729060lji.11; Sun, 07 Jun 2020 11:57:54 -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=/l7+vPYH5EAd2WIrcrF+WV/TlTdD/VFXDpsYjNZO6cA=; b=dVsgERA8EoMvfU/i/6FPKu7i1+I5nNoKaAZEtWAWmOQTfEbO3SsXfIyLO6ZsbnXF4d kQqBD9tsHztUpMIttlX8B1qjzGnD8F0wvyG0DXltz1gt02GCZ1Otbke+dcj+89LxiUvz nV7JT1V+EPVS2ZZqy6DP1TmKV5MkdtI2X0K/XaQOKiw8/XwxZADP3g+wdFy8qXb0uPCc SwgkVqtlwztpiCb7yj1rlquOoYg+FHsfOWarKvcywUtoKaxDSINfU4C4XjwmmQjhzxZe A129/zRtYWe+cVGVa1sGOnPS0KlG+aYkbdLRKpz6WRjTl2EQSgUEI0vFbJz6H06bcpFn B4GQ== 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=/l7+vPYH5EAd2WIrcrF+WV/TlTdD/VFXDpsYjNZO6cA=; b=WdHLG/6UFDMNnliix7O6MD4F9f2ibbDSSzL24CiqUgWeK1AxUGDhOgDatOTKQK1PoT qIfgc0Bmu40Fib+ZEC8hhASjOpeF5qujKJtAZPTzbDk4s3wSmA6j5w/e9jJY4S2cdwmy F3eQ/Lp+9aMd37w/Aa9Avv+E1FvrAV1Vi7wIEtEnPJOM3yRn1fy5Q98Vg1N5KpQATmJl veDRN1eA/AblNncpFNbgXvl8hwA+ZY5pkhYceqUDUgZPcBE47UxT547gQTktRq9nUp0x cY2LUr/qJaO9xumSAqGyCRomehyIJakTQWoKHVDYvIw9K6hMIR3YG3gJ4t+Kc81lPnms NsAA== X-Gm-Message-State: AOAM530PseOJNXeBIfofrbpvG2w2NjXk9fSmExTHZAyOlovpN0ya9Tj1 lboAifQa4ECdci6rZ5PhCSA= X-Google-Smtp-Source: ABdhPJzD+LEVvvSpdeGXtpL+iBegUzavLwLLbh0JeGHk01OuI3UWdFgXAchY/h+rdfr36Bw76q1vXg== X-Received: by 2002:a2e:97d8:: with SMTP id m24mr4442488ljj.166.1591556272788; Sun, 07 Jun 2020 11:57:52 -0700 (PDT) Received: from localhost.localdomain (79-139-237-54.dynamic.spd-mgts.ru. [79.139.237.54]) by smtp.gmail.com with ESMTPSA id e21sm3650953ljb.135.2020.06.07.11.57.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Jun 2020 11:57:52 -0700 (PDT) From: Dmitry Osipenko <digetx@gmail.com> To: Thierry Reding <thierry.reding@gmail.com>, Jonathan Hunter <jonathanh@nvidia.com>, Georgi Djakov <georgi.djakov@linaro.org>, Rob Herring <robh+dt@kernel.org>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Peter De Schrijver <pdeschrijver@nvidia.com>, MyungJoo Ham <myungjoo.ham@samsung.com>, Kyungmin Park <kyungmin.park@samsung.com>, Chanwoo Choi <cw00.choi@samsung.com>, Mikko Perttunen <cyndis@kapsi.fi> Cc: =?utf-8?b?QXJ0dXIgxZp3aWdvxYQ=?= <a.swigon@samsung.com>, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org Subject: [PATCH v3 32/39] memory: tegra20-emc: Create tegra20-devfreq device Date: Sun, 7 Jun 2020 21:55:23 +0300 Message-Id: <20200607185530.18113-33-digetx@gmail.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200607185530.18113-1-digetx@gmail.com> References: <20200607185530.18113-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: <linux-pm.vger.kernel.org> X-Mailing-List: linux-pm@vger.kernel.org |
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Introduce memory interconnect for NVIDIA Tegra SoCs
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diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c index 2281bf9b784b..6dfd9807e042 100644 --- a/drivers/memory/tegra/tegra20-emc.c +++ b/drivers/memory/tegra/tegra20-emc.c @@ -882,6 +882,9 @@ static int tegra_emc_probe(struct platform_device *pdev) err); } + if (IS_ENABLED(CONFIG_ARM_TEGRA20_DEVFREQ)) + platform_device_register_simple("tegra20-devfreq", -1, NULL, 0); + /* * Don't allow the kernel module to be unloaded. Unloading adds some * extra complexity which doesn't really worth the effort in a case of
The tegra20-devfreq driver provides memory frequency scaling functionality and it uses EMC clock for the scaling. Since tegra20-devfreq is a software driver, the device for the driver needs to be created manually. Let's do it from EMC driver since it provides the clk rate-change functionality. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- drivers/memory/tegra/tegra20-emc.c | 3 +++ 1 file changed, 3 insertions(+)