From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3447179-1520955633-2-4232046707729848682 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES endaro, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1520955632; b=SKXGyB4dL+eFV3lqV8HY/X7zo+1KDK2go2OREnvbhPuyxCw aM9K2X3IMWEyTyt7IUi8SaHvMJLK/LjwVnuFJ3Urik10mqXFjKDLmMnASDTpv5Mf UcYl5r9oAyThdxNAa5TKam8lGNDG+o+VaKfJ9bJ6X2onb9fk9AyF+pqqZ73E8En+ Ge668fYbM67VWg38xw2HyburmZ1nK3hfe5nD5z94rdDTOFadKwpC0SuS71jLGGxY e164IbgwnXgsgrjKaonWrDVz5VlDD7wioxU+GAcdeX1WPM4acSS30YEtjOEvZfJq jLgU5te6LK7qqZFeZMyjCxkto2Jap5C/dhWFXZg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=arctest; t=1520955632; bh=PwX6Y2d6l7by8uaIxtgOjzvLTL QcN6TSMTTGGu8po8A=; b=MzgHhWtmgOjdHYmCeqlE4Wp34BvsTXAAqglKEzVD6a v8banq5fZPOZSrb3wpG61fspf/cLcBrWetIhsjQKiJsL+Cy3Z8xrF7Ij5UVqr4H8 1lZn+/ismAFKWZgcVYBN+EFX60NsrWBs28N4yYUfMh133uvqatuVap9qYtIrWGnZ 3vLo0uhBVKgU7zg4vvA/lAYbbCyzFh7HvE9mOEYqHUJkkRRzW1Bg4j65xLB1Tcse VLNQ+O0n+NUtU2lvs5YQiz4TStPGQCH60ims+Hgll5H6Pk1RnKEZGujBGxNTAUf4 KO8+q5hympfq9PNqlaNM50QeFRASG3hyobwnDVMY0jKQ== ARC-Authentication-Results: i=1; mx3.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-category=clean score=-100 state=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Authentication-Results: mx3.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-category=clean score=-100 state=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934097AbeCMPk1 (ORCPT ); Tue, 13 Mar 2018 11:40:27 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:35682 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934884AbeCMPkZ (ORCPT ); Tue, 13 Mar 2018 11:40:25 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Paul Burton , Miodrag Dinic , Aleksandar Markovic , linux-mips@linux-mips.org, Ralf Baechle , James Hogan Subject: [PATCH 4.14 114/140] MIPS: CPC: Map registers using DT in mips_cpc_default_phys_base() Date: Tue, 13 Mar 2018 16:25:17 +0100 Message-Id: <20180313152505.846604094@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180313152458.201155692@linuxfoundation.org> References: <20180313152458.201155692@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Paul Burton commit 791412dafbbfd860e78983d45cf71db603a82f67 upstream. Reading mips_cpc_base value from the DT allows each platform to define it according to its needs. This is especially convenient for MIPS_GENERIC kernel where this kind of information should be determined in runtime. Use mti,mips-cpc compatible string with just a reg property to specify the register location for your platform. Signed-off-by: Paul Burton Signed-off-by: Miodrag Dinic Signed-off-by: Aleksandar Markovic Cc: linux-mips@linux-mips.org Cc: Ralf Baechle Patchwork: https://patchwork.linux-mips.org/patch/18513/ Signed-off-by: James Hogan Signed-off-by: Greg Kroah-Hartman --- arch/mips/kernel/mips-cpc.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) --- a/arch/mips/kernel/mips-cpc.c +++ b/arch/mips/kernel/mips-cpc.c @@ -10,6 +10,8 @@ #include #include +#include +#include #include #include @@ -22,6 +24,17 @@ static DEFINE_PER_CPU_ALIGNED(unsigned l phys_addr_t __weak mips_cpc_default_phys_base(void) { + struct device_node *cpc_node; + struct resource res; + int err; + + cpc_node = of_find_compatible_node(of_root, NULL, "mti,mips-cpc"); + if (cpc_node) { + err = of_address_to_resource(cpc_node, 0, &res); + if (!err) + return res.start; + } + return 0; }