From patchwork Tue Jun 9 13:13:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 11595547 Return-Path: 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 E877892A for ; Tue, 9 Jun 2020 13:15:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CACF720774 for ; Tue, 9 Jun 2020 13:15:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="q4s89G5i" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729655AbgFINPs (ORCPT ); Tue, 9 Jun 2020 09:15:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55292 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728767AbgFINPG (ORCPT ); Tue, 9 Jun 2020 09:15:06 -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 D642BC08C5C3; Tue, 9 Jun 2020 06:15:05 -0700 (PDT) Received: by mail-lj1-x242.google.com with SMTP id s1so24998545ljo.0; Tue, 09 Jun 2020 06:15:05 -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=gODohnu3Esv2qlUienjAVp66GFOWKMfQEeRzgVApqO8=; b=q4s89G5iheCGw9OQAjJe2Zc6d+GgU/j8R0VUdl5NnYbuBl/XK2ztpBsz2Ef3lR4KuW JWioKUSN8scZ1jlt622kBg9OsW6EIhozc9XVBh9w2w0xrIYsWIAkJvIMD8+rOFMTftLP raRlky6+p1TUfxgB093IFSiTZWzQdPoRUK5PiNfWmeWUh5I9SA1WV2nEgPooQrYiNAlT CMRiHzk6L+H5f3CXce7iG1XxWJn+n9VSEOGY19V/u+3GJwljxr04lUnfd8G0cGsWv0I0 B9CiR099u9pr5P+TANsbtEG9lIsHOYGauGX8i+f/2OxRYOaLmstOwQH4NOHQvDghYIj3 yrtg== 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=gODohnu3Esv2qlUienjAVp66GFOWKMfQEeRzgVApqO8=; b=g6jmoVIT8BvdX0jMMOLGbVDYXdEBmM3/yLAiDe1LJaFV4351cyenz91D+WJ9ii4Sut HLtVTjuWElcxiSqL2VxamOc5qUxxePiJXJ/lqXrk2LaACG9I29hgC3itxfB5kp+uRrds 4x0skbx3TNJCwZ5evVXhnCXRsCa3vCoHOi0/RO21nFbdW9ZHfnP7ODsrO4XylFbT03Fv qvz+H4z1m8wJ1JZNCWXI6eKqNv/YrTYZd1WC2RPKGNMb6ZJOwnbSNiPyzpHCXMEaeKcj 5Ckx51UebImtWYgrccQxoaptb5CoKDqgcVn7AUWaKsWmYJXBuHstW07bN9vla0+XfvHK InIA== X-Gm-Message-State: AOAM530/0n1h/AIMQgAf5RFJfWb+tSJiZ4Eir1i3RGln5wDEs77Anj5b FC36xKW9FpUFtK3m7ii4NQg= X-Google-Smtp-Source: ABdhPJzd7UuFrG5+2ucgDJRuP1i8bPa5bf+kKpq/V4rrtNjWPdK7qWtfkrqYiWuUfcb/29MAQnnLFw== X-Received: by 2002:a05:651c:2cc:: with SMTP id f12mr684410ljo.329.1591708504216; Tue, 09 Jun 2020 06:15:04 -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 l22sm4323522lji.120.2020.06.09.06.15.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jun 2020 06:15:03 -0700 (PDT) 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 Cc: =?utf-8?b?QXJ0dXIgxZp3aWdvxYQ=?= , 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 v4 32/37] memory: tegra20-emc: Create tegra20-devfreq device Date: Tue, 9 Jun 2020 16:13:59 +0300 Message-Id: <20200609131404.17523-33-digetx@gmail.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200609131404.17523-1-digetx@gmail.com> References: <20200609131404.17523-1-digetx@gmail.com> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org 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 --- drivers/memory/tegra/tegra20-emc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c index ef0f5a69f24b..59d85e527516 100644 --- a/drivers/memory/tegra/tegra20-emc.c +++ b/drivers/memory/tegra/tegra20-emc.c @@ -877,6 +877,9 @@ 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