From patchwork Wed Oct 6 16:43:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rob Herring (Arm)" X-Patchwork-Id: 12539769 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 27132C433EF for ; Wed, 6 Oct 2021 16:44:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 14BF561154 for ; Wed, 6 Oct 2021 16:44:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239464AbhJFQpw (ORCPT ); Wed, 6 Oct 2021 12:45:52 -0400 Received: from mail-ot1-f48.google.com ([209.85.210.48]:34784 "EHLO mail-ot1-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239474AbhJFQpo (ORCPT ); Wed, 6 Oct 2021 12:45:44 -0400 Received: by mail-ot1-f48.google.com with SMTP id g62-20020a9d2dc4000000b0054752cfbc59so3952950otb.1; Wed, 06 Oct 2021 09:43:51 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=YhacG1oflfweV+ZMxYJrdhD3dQtCOWEVKc3UA01qLrg=; b=kSh3oWroS+XO4aAllMH2APeg/Nwl+0EPsAkgwZhzHyw1FdEoYAzcJhtLit8Fypi9RB OYxIx34PzchUjqLWSQB93JDoA7xZqUwOXZ7iryr5cWs/8hdH+xYlvt+coPwV7ymRSiU7 YvSEgEWvU5Cj0LTc75yrz/D9IP7yHa3ELgpYrhk5LhTci2GSuGjNdJUpGSmC8rz/FsR/ 5ppcpKCbHA4bdTnwKEBHrWWoCCXnwcMh9gz1jNxMqE1YPTvYLWmn5BCyUWmaZJEbGQQd SnZ7gawf70T7LHlUbqfrIOpqFvA+Ql+WlDi2RHFD4M7ki8VUU+bKlStmAs7TdhWI10yu xkVw== X-Gm-Message-State: AOAM532nlfwwrfW5o/Ptp54MJsnVuKeBiN7JfF2zayimLfBCdTgh4UXy uvkUu14rM2+p5SHX+3RvRA== X-Google-Smtp-Source: ABdhPJzJQ2R5CEfp/bAtXtoCRQDaDF5B6RqZA1flXSsxFu0kVfpgeNfjZq0OKrhuVdseg2/0PDqWlg== X-Received: by 2002:a05:6830:455:: with SMTP id d21mr20503877otc.300.1633538631080; Wed, 06 Oct 2021 09:43:51 -0700 (PDT) Received: from xps15.herring.priv (66-90-148-213.dyn.grandenetworks.net. [66.90.148.213]) by smtp.googlemail.com with ESMTPSA id s29sm4236628otg.60.2021.10.06.09.43.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Oct 2021 09:43:49 -0700 (PDT) From: Rob Herring To: Russell King , James Morse , Catalin Marinas , Will Deacon , Guo Ren , Jonas Bonn , Stefan Kristiansson , Stafford Horne , Michael Ellerman , Paul Walmsley , Palmer Dabbelt , Albert Ou , Yoshinori Sato , Rich Felker , x86@kernel.org, Greg Kroah-Hartman Cc: Florian Fainelli , Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com, Benjamin Herrenschmidt , Paul Mackerras , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , "Rafael J. Wysocki" , Frank Rowand , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, openrisc@lists.librecores.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 08/12] riscv: Use of_get_cpu_hwid() Date: Wed, 6 Oct 2021 11:43:28 -0500 Message-Id: <20211006164332.1981454-9-robh@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211006164332.1981454-1-robh@kernel.org> References: <20211006164332.1981454-1-robh@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org Replace open coded parsing of CPU nodes' 'reg' property with of_get_cpu_hwid(). Cc: Paul Walmsley Cc: Palmer Dabbelt Cc: Albert Ou Cc: linux-riscv@lists.infradead.org Signed-off-by: Rob Herring --- arch/riscv/kernel/cpu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c index 6d59e6906fdd..f13b2c9ea912 100644 --- a/arch/riscv/kernel/cpu.c +++ b/arch/riscv/kernel/cpu.c @@ -22,7 +22,8 @@ int riscv_of_processor_hartid(struct device_node *node) return -ENODEV; } - if (of_property_read_u32(node, "reg", &hart)) { + hart = of_get_cpu_hwid(node, 0); + if (hart == ~0U) { pr_warn("Found CPU without hart ID\n"); return -ENODEV; }