From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 E543EC43382 for ; Thu, 27 Sep 2018 11:49:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9EF8C21531 for ; Thu, 27 Sep 2018 11:49:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.b="NNPTAF1U" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9EF8C21531 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=amarulasolutions.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727544AbeI0SHj (ORCPT ); Thu, 27 Sep 2018 14:07:39 -0400 Received: from mail-pf1-f196.google.com ([209.85.210.196]:34206 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727514AbeI0SHj (ORCPT ); Thu, 27 Sep 2018 14:07:39 -0400 Received: by mail-pf1-f196.google.com with SMTP id k19-v6so1756548pfi.1 for ; Thu, 27 Sep 2018 04:49:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=evIzUViMtSitn37dGrQoWQvRjD//VkqNrRvm4lXczmM=; b=NNPTAF1U4bEogAjUdNiqrIQHZg8GLgBKsga6evkO5zcEw2gwBz2qF0pt0Fe+Rx4gm0 dnZt7VSEI1m0A0yX79IL1dV5jnvpQF80lmWVqJisCd6Wzpuh6yYphE+O3xLxMN330Ycr +z+cHLXgV3x13uVBhj0/6hXXMbwAghtwrjDo4= 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=evIzUViMtSitn37dGrQoWQvRjD//VkqNrRvm4lXczmM=; b=K1x3P1N62hpGTwXwf2XUGIISgSVZhsbU6ve2yl2jKauUMReNqcxtjXAsDM3ZFQMe8P vNAXvZvB3lDCVN4aA8Zq84+ANgXBGEJsqtTwPgz1CBGi5Bmc2N4w3QV4r6nZDBSF9UJe 7PPNuhC2SQkAjASuCxtl6Lko4u6kE4KxmwzwloK0GDiampIq3eM1GjO+XPWDZyx5RgPH VjUx2yrujbepG/2PiJcP//cXV4GyXKM2nqPZJrE5jo2idB8TywP4RzeVdZHFiTFsfnUn Fza+SOINiueZYkLvA6074kdKyJXzfnnc1bSl2M3tuGfCiT4hj7kw2wIdcaPWxbVNYfvl AeRw== X-Gm-Message-State: ABuFfohh3XXM+kohO+NHMCYVJs8H4wxzKKwgbFbigwrVJBdGJ46ltTRn FTHo9h6dV+UImoONyll6JbwIRA== X-Google-Smtp-Source: ACcGV62ZFmQwjQws/+ouyXzbnrxyyZGVERygjSkmC5OOlNytyjL5JB3pypWcGjIxaP09zerRD1ysyA== X-Received: by 2002:a63:d646:: with SMTP id d6-v6mr667310pgj.450.1538048983513; Thu, 27 Sep 2018 04:49:43 -0700 (PDT) Received: from localhost.localdomain ([183.82.230.83]) by smtp.gmail.com with ESMTPSA id v36-v6sm3744872pgn.85.2018.09.27.04.49.37 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 27 Sep 2018 04:49:42 -0700 (PDT) From: Jagan Teki To: Maxime Ripard , Chen-Yu Tsai , Icenowy Zheng , Jernej Skrabec , Vasily Khoruzhick , Rob Herring , Mark Rutland , Catalin Marinas , Will Deacon , David Airlie , dri-devel@lists.freedesktop.org, Michael Turquette , Stephen Boyd , linux-clk@vger.kernel.org, Michael Trimarchi , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com Cc: Jagan Teki Subject: [PATCH 04/12] drm/sun4i: sun6i_mipi_dsi: Enable missing DSI bus clock Date: Thu, 27 Sep 2018 17:18:42 +0530 Message-Id: <20180927114850.24565-5-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20180927114850.24565-1-jagan@amarulasolutions.com> References: <20180927114850.24565-1-jagan@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DSI bus_clk is already available in sun6i_dsi but missed to get the clk and process for enable/disable. This patch add support for it. Signed-off-by: Jagan Teki --- drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c index 8e9c76febca2..156b371243c6 100644 --- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c +++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c @@ -1004,6 +1004,12 @@ static int sun6i_dsi_probe(struct platform_device *pdev) return PTR_ERR(dsi->reset); } + dsi->bus_clk = devm_clk_get(dev, "bus"); + if (IS_ERR(dsi->bus_clk)) { + dev_err(dev, "Couldn't get the DSI bus clock\n"); + return PTR_ERR(dsi->bus_clk); + } + if (dsi->variant->has_mod_clk) { dsi->mod_clk = devm_clk_get(dev, "mod"); if (IS_ERR(dsi->mod_clk)) { @@ -1012,6 +1018,7 @@ static int sun6i_dsi_probe(struct platform_device *pdev) } } + clk_prepare_enable(dsi->bus_clk); /* * In order to operate properly, that clock seems to be always * set to 297MHz. @@ -1065,6 +1072,7 @@ static int sun6i_dsi_remove(struct platform_device *pdev) sun6i_dphy_remove(dsi); if (dsi->variant->has_mod_clk) clk_rate_exclusive_put(dsi->mod_clk); + clk_disable_unprepare(dsi->bus_clk); return 0; } -- 2.18.0.321.gffc6fa0e3