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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 A0D2CC11F75 for ; Wed, 14 Jul 2021 12:50:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8CEDE611C0 for ; Wed, 14 Jul 2021 12:50:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239403AbhGNMxp (ORCPT ); Wed, 14 Jul 2021 08:53:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38486 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239418AbhGNMxn (ORCPT ); Wed, 14 Jul 2021 08:53:43 -0400 Received: from baptiste.telenet-ops.be (baptiste.telenet-ops.be [IPv6:2a02:1800:120:4::f00:13]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 07418C061768 for ; Wed, 14 Jul 2021 05:50:50 -0700 (PDT) Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed10:39cc:190a:2775:cfe7]) by baptiste.telenet-ops.be with bizsmtp id V0qX2500E1ccfby010qXMw; Wed, 14 Jul 2021 14:50:49 +0200 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1m3eLO-0018dT-Vc; Wed, 14 Jul 2021 14:50:31 +0200 Received: from geert by rox.of.borg with local (Exim 4.93) (envelope-from ) id 1m3eLN-00AaEe-S6; Wed, 14 Jul 2021 14:50:29 +0200 From: Geert Uytterhoeven To: Rob Herring , Russell King , Nicolas Pitre , Ard Biesheuvel , Linus Walleij , Catalin Marinas , Will Deacon , Nick Kossifidis , Paul Walmsley , Palmer Dabbelt , Albert Ou , Frank Rowand , Dave Young , Mike Rapoport Cc: Baoquan He , Vivek Goyal , Andrew Morton , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, kexec@lists.infradead.org, linux-mm@kvack.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH v4 08/10] arm64: kdump: Remove custom linux,usable-memory-range parsing Date: Wed, 14 Jul 2021 14:50:18 +0200 Message-Id: <8ee4eacc4ce00b95fdb4b28daf3eb597212c5941.1626266516.git.geert+renesas@glider.be> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Remove the architecture-specific code for parsing the "linux,usable-memory-range" property under the "/chosen" node in DT, as the platform-agnostic handling in the FDT core code already takes care of this. Signed-off-by: Geert Uytterhoeven --- v4: - New. --- arch/arm64/mm/init.c | 34 +--------------------------------- 1 file changed, 1 insertion(+), 33 deletions(-) diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 946e246660f2b180..f90ba99437c0f3c9 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -227,44 +227,12 @@ static int __init early_mem(char *p) } early_param("mem", early_mem); -static int __init early_init_dt_scan_usablemem(unsigned long node, - const char *uname, int depth, void *data) -{ - struct memblock_region *usablemem = data; - const __be32 *reg; - int len; - - if (depth != 1 || strcmp(uname, "chosen") != 0) - return 0; - - reg = of_get_flat_dt_prop(node, "linux,usable-memory-range", &len); - if (!reg || (len < (dt_root_addr_cells + dt_root_size_cells))) - return 1; - - usablemem->base = dt_mem_next_cell(dt_root_addr_cells, ®); - usablemem->size = dt_mem_next_cell(dt_root_size_cells, ®); - - return 1; -} - -static void __init fdt_enforce_memory_region(void) -{ - struct memblock_region reg = { - .size = 0, - }; - - of_scan_flat_dt(early_init_dt_scan_usablemem, ®); - - if (reg.size) - memblock_cap_memory_range(reg.base, reg.size); -} - void __init arm64_memblock_init(void) { const s64 linear_region_size = PAGE_END - _PAGE_OFFSET(vabits_actual); /* Handle linux,usable-memory-range property */ - fdt_enforce_memory_region(); + memblock_cap_memory_range(cap_mem_addr, cap_mem_size); /* Remove memory above our supported physical address size */ memblock_remove(1ULL << PHYS_MASK_SHIFT, ULLONG_MAX); -- 2.25.1