From patchwork Mon Aug 14 16:12:13 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugeniy Paltsev X-Patchwork-Id: 801244 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.infradead.org (client-ip=65.50.211.133; helo=bombadil.infradead.org; envelope-from=linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="uKy7U+pP"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3xWLHb0x8sz9sPr for ; Tue, 15 Aug 2017 02:12:59 +1000 (AEST) 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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: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=BmmbTIpPs4xZKMk19d9sEMrC4kxGn1Rbi829+Rt3mRU=; b=uKy7U+pPVqy++R8c5y3MEBbfbt k2T/OUTieyupZSryCjyW3mF6c04ow4lLg/J6nUqe0aHyCtcJhPntu0dn9nKXyrVSmY8fNuQpggQNk Xr5QklWuR0ihilDvPArrehZ4yQ+YrCBOjpW8ZyjllxDPYLtXFtnIMixQMKt7iI+Kq6enGohuwFHli uRpPb8TdlfRUOB+wZEf2NqpDhLhFN1wMPkUYWUyKE9JvX1wuTo81DnReOBbybjt6gy8dc2oBibKvf nWLlkW2AbKzhfPBdicrQs+d5f+VPB79lg7MQTOw7mO6qGGz9n1WDFnju2LlbdvaAiqBl3UvjjCqop lZfRxzhg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dhHz7-00038A-Md; Mon, 14 Aug 2017 16:12:57 +0000 Received: from smtprelay.synopsys.com ([198.182.47.9]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dhHz3-0002vJ-O7 for linux-snps-arc@lists.infradead.org; Mon, 14 Aug 2017 16:12:56 +0000 Received: from mailhost.synopsys.com (mailhost1.synopsys.com [10.12.238.239]) by smtprelay.synopsys.com (Postfix) with ESMTP id EBBD324E204C; Mon, 14 Aug 2017 09:12:33 -0700 (PDT) Received: from mailhost.synopsys.com (localhost [127.0.0.1]) by mailhost.synopsys.com (Postfix) with ESMTP id D09E3CC0; Mon, 14 Aug 2017 09:12:33 -0700 (PDT) Received: from localhost.internal.synopsys.com (unknown [10.121.8.106]) by mailhost.synopsys.com (Postfix) with ESMTP id DF19CC94; Mon, 14 Aug 2017 09:12:31 -0700 (PDT) From: Eugeniy Paltsev To: linux-snps-arc@lists.infradead.org Subject: [PATCH 5/5] ARC: AXS103: use cpu-freq param instead of /cpu_card/core_clk Date: Mon, 14 Aug 2017 19:12:13 +0300 Message-Id: <20170814161213.17522-6-Eugeniy.Paltsev@synopsys.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170814161213.17522-1-Eugeniy.Paltsev@synopsys.com> References: <20170814161213.17522-1-Eugeniy.Paltsev@synopsys.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170814_091254_118840_AEC1A0A6 X-CRM114-Status: UNSURE ( 9.48 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [198.182.47.9 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [198.182.47.9 listed in wl.mailspike.net] -0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Vineet Gupta , Alexey Brodkin , linux-kernel@vger.kernel.org, Rob Herring , Eugeniy Paltsev MIME-Version: 1.0 Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Use cpu's node "cpu-freq" param instead of platform-specific "/cpu_card/core_clk" as it works only if we use fixed-clock for cpu clocking. Signed-off-by: Eugeniy Paltsev --- arch/arc/plat-axs10x/axs10x.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/arch/arc/plat-axs10x/axs10x.c b/arch/arc/plat-axs10x/axs10x.c index 98d07b7..75118fdc 100644 --- a/arch/arc/plat-axs10x/axs10x.c +++ b/arch/arc/plat-axs10x/axs10x.c @@ -337,20 +337,16 @@ union pll_reg { static void __init axs103_early_init(void) { - /* - * TODO: use cpu node "cpu-freq" param instead of platform-specific - * "/cpu_card/core_clk" as it works only if we use fixed-clock for cpu. - */ - int offset = fdt_path_offset(initial_boot_params, "/cpu_card/core_clk"); + int offset = fdt_path_offset(initial_boot_params, "/cpus/cpu@0"); const struct fdt_property *prop = fdt_get_property(initial_boot_params, offset, - "clock-frequency", + "cpu-freq", NULL); u32 freq = be32_to_cpu(*(u32*)(prop->data)) / 1000000, orig = freq; /* * AXS103 configurations for SMP/QUAD configurations share device tree - * which defaults to 90 MHz. However recent failures of Quad config + * which defaults to 100 MHz. However recent failures of Quad config * revealed P&R timing violations so clamp it down to safe 50 MHz * Instead of duplicating defconfig/DT for SMP/QUAD, add a small hack * @@ -367,7 +363,7 @@ static void __init axs103_early_init(void) if (freq != orig ) { freq = cpu_to_be32(freq * 1000000); fdt_setprop_inplace(initial_boot_params, offset, - "clock-frequency", &freq, sizeof(freq)); + "cpu-freq", &freq, sizeof(freq)); } /* Memory maps already config in pre-bootloader */