From patchwork Fri Aug 4 17:43:41 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jerome Brunet X-Patchwork-Id: 9881849 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 854D8602B8 for ; Fri, 4 Aug 2017 17:47:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 732262891F for ; Fri, 4 Aug 2017 17:47:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6685028964; Fri, 4 Aug 2017 17:47:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D412E2891F for ; Fri, 4 Aug 2017 17:47:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752994AbdHDRoF (ORCPT ); Fri, 4 Aug 2017 13:44:05 -0400 Received: from mail-wm0-f44.google.com ([74.125.82.44]:37571 "EHLO mail-wm0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752833AbdHDRoD (ORCPT ); Fri, 4 Aug 2017 13:44:03 -0400 Received: by mail-wm0-f44.google.com with SMTP id t201so25435718wmt.0 for ; Fri, 04 Aug 2017 10:44:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=YyugWRQVFdBqoDpyoDAlLoHlagA2SUyDYbaHUI4KAS8=; b=PuUhr99zCLboRNf729H7LLFzrix7NItWwL8Qw7OiZLf58iQACS9Pz4r/zj55Y3MQ9C vD7/qJ6pR6FIZ20xG+VvWx+W+VEgUY3eM5QYYFgb2iyPT9sQ2gN4HLQUKJiStJIgZs05 94skjlAuSDVUxrv0cB4vzvWtI6wy4ePymX6FG0gmcfq72qJCmdTuzZoT9twvIBdfE/Vw Z66M1KoydGNDu44vHMLxxj4pItPNJjdGqzTOR/+GpPMYtaK/8MOAYOHAI8ShroKEJf9u BeB14785sHU8UMF2YD4QvCnFCzjQD6/EurVNJFP6Fif1/+azcwtp0wMsF1C6fh+49MDp dIiw== 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; bh=YyugWRQVFdBqoDpyoDAlLoHlagA2SUyDYbaHUI4KAS8=; b=kZqxHiOG317/TVsely5oKfFCYxl+HP6/WaMDzGySTlB2NfkN+9snGzZYj+BnPX7CB9 fjYjAC9lXkOzW7N1AAJMbI7nX5CAU+xzkxUyVbcb+3/FpyyDLktN4Bw1VN1BXhwrO4Xn yEZFLx22ZFPzBciim9ijqobrOQcioqa/F1WxURS/o6F5xDMVxgzuWeLenLBpb1f4Zaue rOpUdgXWzPNfYme3sK70Dh4s2PaDjs3harpBuF2HWRXkPFbjkwfRVsT6uERUItpGloKg okwkv9QI61KVPmPrt0qdIQ6TvJYUghgfxesMxUGZATkWSRbemvmzf6frvJD1Ekd8geF3 wk8g== X-Gm-Message-State: AHYfb5iyKXQ/n9bqtEaQLggVNxWfsU8PYyFs1QNRcLQDosMhoZF8kYZ8 ZI0yercXPnZoLldN X-Received: by 10.28.236.8 with SMTP id k8mr1723590wmh.139.1501868642691; Fri, 04 Aug 2017 10:44:02 -0700 (PDT) Received: from localhost.localdomain (cag06-3-82-243-161-21.fbx.proxad.net. [82.243.161.21]) by smtp.googlemail.com with ESMTPSA id p17sm996082wma.45.2017.08.04.10.44.01 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 04 Aug 2017 10:44:02 -0700 (PDT) From: Jerome Brunet To: Ulf Hansson , Kevin Hilman , Carlo Caione Cc: Jerome Brunet , linux-mmc@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 02/14] mmc: meson-gx: remove CLK_DIVIDER_ALLOW_ZERO clock flag Date: Fri, 4 Aug 2017 19:43:41 +0200 Message-Id: <20170804174353.16486-3-jbrunet@baylibre.com> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170804174353.16486-1-jbrunet@baylibre.com> References: <20170804174353.16486-1-jbrunet@baylibre.com> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Remove CLK_DIVIDER_ALLOW_ZERO. This flag means that a 1 based divider with a 0 value will behave as a bypass clock The mmc divider does not behave like this, a 0 value disables the clock Remove this flag so CCF never allows a 0 value on this clock Fixes: 51c5d8447bd7 ("MMC: meson: initial support for GX platforms") Signed-off-by: Jerome Brunet --- drivers/mmc/host/meson-gx-mmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index 4217287923d4..d480a8052a06 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -389,7 +389,7 @@ static int meson_mmc_clk_init(struct meson_host *host) host->cfg_div.width = __builtin_popcountl(CLK_DIV_MASK); host->cfg_div.hw.init = &init; host->cfg_div.flags = CLK_DIVIDER_ONE_BASED | - CLK_DIVIDER_ROUND_CLOSEST | CLK_DIVIDER_ALLOW_ZERO; + CLK_DIVIDER_ROUND_CLOSEST; host->cfg_div_clk = devm_clk_register(host->dev, &host->cfg_div.hw); if (WARN_ON(PTR_ERR_OR_ZERO(host->cfg_div_clk)))