From patchwork Thu Apr 11 22:02:30 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 10896983 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 553751708 for ; Thu, 11 Apr 2019 22:04:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3F5352890E for ; Thu, 11 Apr 2019 22:04:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2558328925; Thu, 11 Apr 2019 22:04:44 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI 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 CC4BA28925 for ; Thu, 11 Apr 2019 22:04:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726881AbfDKWEi (ORCPT ); Thu, 11 Apr 2019 18:04:38 -0400 Received: from mail-lf1-f65.google.com ([209.85.167.65]:38863 "EHLO mail-lf1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726629AbfDKWEa (ORCPT ); Thu, 11 Apr 2019 18:04:30 -0400 Received: by mail-lf1-f65.google.com with SMTP id u24so5889615lfg.5; Thu, 11 Apr 2019 15:04:29 -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=6GANWBDVM2KX1F8CGIb5rvHRK0fnuEyNN/3002XmRQg=; b=mLV8eGoS9WVHaiAT/cTt29GwqAoiuaAZq1E6zRvLUfwjBRYGj08VnG8Ii7zNX2oQZh OSktjqGL27hacGSfZUg9pHPCM4L38IHgjy1fZod2iYvKOgrsQ24Nc5VfJBMP9dAJ2V5u 2xAwsydlnGvWby5UlXbaLryzGyvUETYlnzPx+BZ9KkAo6kq5+GJHdKIVpvgeL5yXrjIC xvJaV9MX/cfALSbuYaeP0gV44hXQgX6O49/v4z633OXQ5yKjcM7tZRzVmUVANEQoSZpe RQrWPhNib+gLT21/96mmOyNLefSesN1TGIe/t2ET6ZyepdgZ/0kctQpgGV+mnOBA/CWn RuyA== 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=6GANWBDVM2KX1F8CGIb5rvHRK0fnuEyNN/3002XmRQg=; b=jmtlBxAopjkMFhoQy1oDYc6+tISBxAeXbSN346hetIZE+oiTUF+SO81nB4QDItLBKo sipm503HpVs6cmc7QzKoEucnT4TOMo0ReFqWC87wQd/rrtEIvDOKekGNu0hu6Gb6T81b 9ad9E8Ec29qKvdX1VL/cTzNgltCg/FoPM1u61Q3sXMV5BSHV8WNgXIP6R0nPGy6gbbnw CaqrK0sLhCeM0GDReSK/l2yJmga99CUs6529wJ+zLGQ7Mim2jTIMheJWvhB/+EwwcAx6 fiUf6v7SW+cdi/EaVWBVOxkJ/ub2bc3YDH4Nx3Q9VLfqLAhorbrwIUUZXuPUp18y+iYa sTKA== X-Gm-Message-State: APjAAAWbo5pQfvZjTBv/+z0G0Zu45BCHPTgLIUuhyMiu87I6XXeYunuU aa+mYydqnQNpUbufJxUZmWA= X-Google-Smtp-Source: APXvYqzMW6BwV6mmbIecSGpQekgBuTWyxqmkLx0KiSbcF9v/Xset+oMq/gGAgEfrOTIZ6ya3qCG3Og== X-Received: by 2002:ac2:50d8:: with SMTP id h24mr27193823lfm.7.1555020268360; Thu, 11 Apr 2019 15:04:28 -0700 (PDT) Received: from localhost.localdomain (ppp94-29-35-107.pppoe.spdop.ru. [94.29.35.107]) by smtp.gmail.com with ESMTPSA id e18sm7887808ljb.12.2019.04.11.15.04.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 11 Apr 2019 15:04:27 -0700 (PDT) From: Dmitry Osipenko To: Peter De Schrijver , Prashant Gaikwad , Michael Turquette , Stephen Boyd , Thierry Reding , Jonathan Hunter , Joseph Lo Cc: linux-clk@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 5/5] clk: tegra: divider: Mark Memory Controller clock as read-only Date: Fri, 12 Apr 2019 01:02:30 +0300 Message-Id: <20190411220230.21726-6-digetx@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190411220230.21726-1-digetx@gmail.com> References: <20190411220230.21726-1-digetx@gmail.com> MIME-Version: 1.0 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The Memory Controller clock rate can't be simply changed and nothing in kernel need to change the rate, hence let's make the clock read-only. Signed-off-by: Dmitry Osipenko --- drivers/clk/tegra/clk-divider.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/clk/tegra/clk-divider.c b/drivers/clk/tegra/clk-divider.c index 205fe8ff63f0..f891bbb0d06d 100644 --- a/drivers/clk/tegra/clk-divider.c +++ b/drivers/clk/tegra/clk-divider.c @@ -175,6 +175,7 @@ struct clk *tegra_clk_register_mc(const char *name, const char *parent_name, void __iomem *reg, spinlock_t *lock) { return clk_register_divider_table(NULL, name, parent_name, - CLK_IS_CRITICAL, reg, 16, 1, 0, - mc_div_table, lock); + CLK_IS_CRITICAL | + CLK_DIVIDER_READ_ONLY, + reg, 16, 1, 0, mc_div_table, lock); }