From patchwork Wed Aug 24 07:44:41 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Leizhen \(ThunderTown\)" X-Patchwork-Id: 74548 Delivered-To: patch@linaro.org Received: by 10.140.29.52 with SMTP id a49csp179629qga; Wed, 24 Aug 2016 00:46:30 -0700 (PDT) X-Received: by 10.66.221.229 with SMTP id qh5mr3102540pac.66.1472024790015; Wed, 24 Aug 2016 00:46:30 -0700 (PDT) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id z10si8349056paz.120.2016.08.24.00.46.29; Wed, 24 Aug 2016 00:46:30 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of devicetree-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of devicetree-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753080AbcHXHq1 (ORCPT + 7 others); Wed, 24 Aug 2016 03:46:27 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:9028 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752094AbcHXHqY (ORCPT ); Wed, 24 Aug 2016 03:46:24 -0400 Received: from 172.24.1.136 (EHLO szxeml432-hub.china.huawei.com) ([172.24.1.136]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DMC31293; Wed, 24 Aug 2016 15:46:19 +0800 (CST) Received: from localhost (10.177.23.164) by szxeml432-hub.china.huawei.com (10.82.67.209) with Microsoft SMTP Server id 14.3.235.1; Wed, 24 Aug 2016 15:46:11 +0800 From: Zhen Lei To: Catalin Marinas , Will Deacon , linux-arm-kernel , linux-kernel , Rob Herring , "Frank Rowand" , devicetree CC: Zefan Li , Xinwei Hu , "Tianhong Ding" , Hanjun Guo , Zhen Lei Subject: [PATCH v7 02/14] of/numa: fix a memory@ node can only contains one memory block Date: Wed, 24 Aug 2016 15:44:41 +0800 Message-ID: <1472024693-12912-3-git-send-email-thunder.leizhen@huawei.com> X-Mailer: git-send-email 1.9.5.msysgit.1 In-Reply-To: <1472024693-12912-1-git-send-email-thunder.leizhen@huawei.com> References: <1472024693-12912-1-git-send-email-thunder.leizhen@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.23.164] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020201.57BD50CC.00FB, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 1f13bc6a80bdb9c361a98046be012c88 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org For a normal memory@ devicetree node, its reg property can contains more memory blocks. Because we don't known how many memory blocks maybe contained, so we try from index=0, increase 1 until error returned(the end). Signed-off-by: Zhen Lei Acked-by: Rob Herring --- drivers/of/of_numa.c | 29 ++++++++++------------------- 1 file changed, 10 insertions(+), 19 deletions(-) -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/of/of_numa.c b/drivers/of/of_numa.c index fb71b4e..7b3fbdc 100644 --- a/drivers/of/of_numa.c +++ b/drivers/of/of_numa.c @@ -63,13 +63,9 @@ static int __init of_numa_parse_memory_nodes(void) struct device_node *np = NULL; struct resource rsrc; u32 nid; - int r = 0; - - for (;;) { - np = of_find_node_by_type(np, "memory"); - if (!np) - break; + int i, r; + for_each_node_by_type(np, "memory") { r = of_property_read_u32(np, "numa-node-id", &nid); if (r == -EINVAL) /* @@ -78,23 +74,18 @@ static int __init of_numa_parse_memory_nodes(void) * "numa-node-id" property */ continue; - else if (r) - /* some other error */ - break; - r = of_address_to_resource(np, 0, &rsrc); - if (r) { - pr_err("NUMA: bad reg property in memory node\n"); - break; - } + for (i = 0; !r && !of_address_to_resource(np, i, &rsrc); i++) + r = numa_add_memblk(nid, rsrc.start, rsrc.end + 1); - r = numa_add_memblk(nid, rsrc.start, rsrc.end + 1); - if (r) - break; + if (!i || r) { + of_node_put(np); + pr_err("NUMA: bad property in memory node\n"); + return r ? : -EINVAL; + } } - of_node_put(np); - return r; + return 0; } static int __init of_numa_parse_distance_map_v1(struct device_node *map)