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=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 E1149C04AAC for ; Mon, 20 May 2019 10:48:08 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A897720856 for ; Mon, 20 May 2019 10:48:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="QQF8XwT/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A897720856 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WJepoRGqb8R1GxqTTyDco/daeRLDO0ddDjJSZuojYCU=; b=QQF8XwT/8YEpty 72K9/4euwcKlwxsGwKga5AcVzEszvNuJPw7pCNWd472OD6U5t9R5Xak8vE96bRSHBS+tBAK+0Hxs8 RtZK+TbBwDjZ5lpHqqj7AqYlEhyNJoD5RNlgVnarugUQctRzqxqS1dws7TmSKlAlMkMvR1ibHZOka Y+X5uQHpnflYZ0VyqdTqWOwqqb0S/tLjlmp5ClPyFyi/MUwoYYD3Vk97Er5ZjgiSdMs39TmOnbMD7 YJDrGQwp3IyOz8qQUHBFhrOLil6fCM63HnyK8DiDFuvih7avX/6GF2WrU/T2UmrCCYZSvlmgbh09c V0PPv6j5RQIEzvxMkQYw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hSfpq-00010w-QO; Mon, 20 May 2019 10:48:02 +0000 Received: from mx2.suse.de ([195.135.220.15] helo=mx1.suse.de) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hSfpU-0000RA-4x; Mon, 20 May 2019 10:47:43 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id AD1E1AFD3; Mon, 20 May 2019 10:47:36 +0000 (UTC) From: Nicolas Saenz Julienne To: stefan.wahren@i2se.com, Florian Fainelli , Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com, Eric Anholt Subject: [RFC v2 2/5] clk: bcm2835: set pllb_arm divisor as readonly Date: Mon, 20 May 2019 12:47:04 +0200 Message-Id: <20190520104708.11980-3-nsaenzjulienne@suse.de> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190520104708.11980-1-nsaenzjulienne@suse.de> References: <20190520104708.11980-1-nsaenzjulienne@suse.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190520_034740_424459_F0147EEF X-CRM114-Status: GOOD ( 13.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org, ptesarik@suse.com, sboyd@kernel.org, viresh.kumar@linaro.org, mturquette@baylibre.com, linux-pm@vger.kernel.org, rjw@rjwysocki.net, linux-kernel@vger.kernel.org, Nicolas Saenz Julienne , linux-rpi-kernel@lists.infradead.org, linux-clk@vger.kernel.org, mbrugger@suse.de, ssuloev@orpaltech.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org This divisor is controlled by the firmware, we don't want the clock subsystem to update it inadvertently. Signed-off-by: Nicolas Saenz Julienne --- drivers/clk/bcm/clk-bcm2835.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c index c2772dfb155a..5aea110672f3 100644 --- a/drivers/clk/bcm/clk-bcm2835.c +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -465,6 +465,7 @@ struct bcm2835_pll_divider_data { u32 hold_mask; u32 fixed_divider; u32 flags; + u32 div_flags; }; struct bcm2835_clock_data { @@ -1349,7 +1350,7 @@ bcm2835_register_pll_divider(struct bcm2835_cprman *cprman, divider->div.reg = cprman->regs + data->a2w_reg; divider->div.shift = A2W_PLL_DIV_SHIFT; divider->div.width = A2W_PLL_DIV_BITS; - divider->div.flags = CLK_DIVIDER_MAX_AT_ZERO; + divider->div.flags = data->div_flags | CLK_DIVIDER_MAX_AT_ZERO; divider->div.lock = &cprman->regs_lock; divider->div.hw.init = &init; divider->div.table = NULL; @@ -1676,7 +1677,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = { .load_mask = CM_PLLB_LOADARM, .hold_mask = CM_PLLB_HOLDARM, .fixed_divider = 1, - .flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE), + .flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE, + .div_flags = CLK_DIVIDER_READ_ONLY), /* * PLLC is the core PLL, used to drive the core VPU clock. -- 2.21.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel