| Message ID | 20200814000621.8415-32-digetx@gmail.com |
|---|---|
| State | New |
| Headers | show
Return-Path: <SRS0=qxav=BY=vger.kernel.org=linux-pm-owner@kernel.org> 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=-13.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 BAF76C433E5 for <linux-pm@archiver.kernel.org>; Fri, 14 Aug 2020 00:07:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 98549207DA for <linux-pm@archiver.kernel.org>; Fri, 14 Aug 2020 00:07:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kHD2fNCD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727020AbgHNAHi (ORCPT <rfc822;linux-pm@archiver.kernel.org>); Thu, 13 Aug 2020 20:07:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46736 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727012AbgHNAHh (ORCPT <rfc822;linux-pm@vger.kernel.org>); Thu, 13 Aug 2020 20:07:37 -0400 Received: from mail-lj1-x244.google.com (mail-lj1-x244.google.com [IPv6:2a00:1450:4864:20::244]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 661C6C061757; Thu, 13 Aug 2020 17:07:37 -0700 (PDT) Received: by mail-lj1-x244.google.com with SMTP id m22so8091716ljj.5; Thu, 13 Aug 2020 17:07:37 -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=SYVrVqyKmi1R5n5EphsB7nCz8XZpBo0lBJhV0Ix8t+w=; b=kHD2fNCDU7lJmrFW6dXFuOYm22bBYvr3VdsN9nKcyfb18EcS1FH+7kQ7JrxIqkMhOF BULskAMHRRV7KO+7N/NkWA1lQ4nONQz1EILPJD0F2L0kwmo4DHViU8MnUzUwFegY60kQ 7tbY7ZiTvc8il6FQp/3xToaxFb/uwTQRj91YtVI6iE0fEsjePGJtz2UlAXQ+aegw0Udo kTZu3m2DlUeNijlHo9oFblbttVhqM8jjworPOKtJ3GP6mqSoKXBGbOpuzlsz1mWE05H0 zhtAHSMNb60N9aiUaAf8rCZA4nkWRrHFdDUxAmZjYKgZOAvMJT6wKTDDsW6yBqwZhFoy WxCA== 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=SYVrVqyKmi1R5n5EphsB7nCz8XZpBo0lBJhV0Ix8t+w=; b=XpRAhkCJlJnDN2l7KfAAlHXzyS1mNcW9OUWqUhRU8+nGXphJDXqtWUiJkGRhF1ZCQv vLLF8dvsS/A1sPdrWGhUNgKsOZlLGlgwo8d0yWsoYwUtBIhfGSJ02iZOosg3viH2WzRi 9IPAeF/j1QLEvnW+POZdm4UGp3n20Dcv0A3CSshVNsaqlS4HtMNIDPWZnrbsg7nJhINh buBelvdbcXwiT8K2t6vorVhVK9urRm8DIIRxVbFpOV3FsEx9qWZnZnI6bVMrsIX8Uo1g laZMTLpwZZ8CZKjYi6/UgXQ773Xus9qxfaySLl9RFwfIgAjiVceBhNncD45/N21A1ExG ev1Q== X-Gm-Message-State: AOAM530ehnbJZj4lqYVEKok61eCVLXkRoYz5CXeFvTLi5x4cyAvmu+Vu TUHingZcy86M8mEn/eAyuxg= X-Google-Smtp-Source: ABdhPJwIs4y8aNM38rBL6i83ol6zAmutagnBs98xg1dZ+TNRSEXv4E1FjDzY79vpk5xE4Wzx4pmpiA== X-Received: by 2002:a2e:9dd0:: with SMTP id x16mr107011ljj.144.1597363655869; Thu, 13 Aug 2020 17:07:35 -0700 (PDT) Received: from localhost.localdomain (109-252-170-211.dynamic.spd-mgts.ru. [109.252.170.211]) by smtp.gmail.com with ESMTPSA id c17sm1504450lfr.23.2020.08.13.17.07.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Aug 2020 17:07:35 -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: 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 v5 31/36] memory: tegra20-emc: Create tegra20-devfreq device Date: Fri, 14 Aug 2020 03:06:16 +0300 Message-Id: <20200814000621.8415-32-digetx@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200814000621.8415-1-digetx@gmail.com> References: <20200814000621.8415-1-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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diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c index 437d9d789941..e603cc0b0341 100644 --- a/drivers/memory/tegra/tegra20-emc.c +++ b/drivers/memory/tegra/tegra20-emc.c @@ -884,6 +884,9 @@ static int tegra_emc_probe(struct platform_device *pdev) tegra_emc_debugfs_init(emc); tegra_emc_interconnect_init(emc); + 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(+)