From patchwork Sat Feb 13 16:02:47 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Grant Likely X-Patchwork-Id: 45267 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id F15ACB8531 for ; Sun, 14 Feb 2010 03:04:20 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752147Ab0BMQDx (ORCPT ); Sat, 13 Feb 2010 11:03:53 -0500 Received: from mail-pz0-f197.google.com ([209.85.222.197]:45038 "EHLO mail-pz0-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754758Ab0BMQCw (ORCPT ); Sat, 13 Feb 2010 11:02:52 -0500 Received: by pzk35 with SMTP id 35so187272pzk.33 for ; Sat, 13 Feb 2010 08:02:51 -0800 (PST) Received: by 10.114.236.35 with SMTP id j35mr1968477wah.117.1266076970563; Sat, 13 Feb 2010 08:02:50 -0800 (PST) Received: from angua (S01060002b3d79728.cg.shawcable.net [70.72.87.49]) by mx.google.com with ESMTPS id 21sm6255622pzk.11.2010.02.13.08.02.48 (version=TLSv1/SSLv3 cipher=RC4-MD5); Sat, 13 Feb 2010 08:02:49 -0800 (PST) Received: from [127.0.1.1] (unknown [IPv6:::1]) by angua (Postfix) with ESMTP id D5F8FC64; Sat, 13 Feb 2010 09:02:47 -0700 (MST) From: Grant Likely Subject: [PATCH 4/9] of/flattree: Don't assume HAVE_LMB To: monstr@monstr.eu, sfr@canb.auug.org.au, benh@kernel.crashing.org, jeremy.kerr@canonical.com, davem@davemloft.net, microblaze-uclinux@itee.uq.edu.au, linuxppc-dev@ozlabs.org, sparclinux@vger.kernel.org, devicetree-discuss@lists.ozlabs.org, linux-kernel@vger.kernel.org Date: Sat, 13 Feb 2010 09:02:47 -0700 Message-ID: <20100213160247.4767.74578.stgit@angua> In-Reply-To: <20100213154838.4767.83881.stgit@angua> References: <20100213154838.4767.83881.stgit@angua> User-Agent: StGIT/0.14.2 MIME-Version: 1.0 Sender: sparclinux-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org From: Jeremy Kerr We don't always have lmb available, so make arches provide an early_init_dt_alloc_memory_arch() to handle the allocation of memory in the fdt code. When we don't have lmb.h included, we need asm/page.h for __va. Signed-off-by: Jeremy Kerr Signed-off-by: Grant Likely Acked-by: Benjamin Herrenschmidt --- arch/microblaze/kernel/prom.c | 5 +++++ arch/powerpc/kernel/prom.c | 5 +++++ drivers/of/fdt.c | 9 ++++++--- include/linux/of_fdt.h | 1 + 4 files changed, 17 insertions(+), 3 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe sparclinux" 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/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c index 050b799..a7dcaf0 100644 --- a/arch/microblaze/kernel/prom.c +++ b/arch/microblaze/kernel/prom.c @@ -55,6 +55,11 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size) lmb_add(base, size); } +u64 __init early_init_dt_alloc_memory_arch(u64 size, u64 align) +{ + return lmb_alloc(size, align); +} + #ifdef CONFIG_EARLY_PRINTK /* MS this is Microblaze specifig function */ static int __init early_init_dt_scan_serial(unsigned long node, diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 43c78d7..5bbbdb2 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -510,6 +510,11 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size) memstart_addr = min((u64)memstart_addr, base); } +u64 __init early_init_dt_alloc_memory_arch(u64 size, u64 align) +{ + return lmb_alloc(size, align); +} + #ifdef CONFIG_BLK_DEV_INITRD void __init early_init_dt_setup_initrd_arch(unsigned long start, unsigned long end) diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index b51f797..406757a 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -10,16 +10,18 @@ */ #include -#include #include #include #include - +#include +#include #ifdef CONFIG_PPC #include #endif /* CONFIG_PPC */ +#include + int __initdata dt_root_addr_cells; int __initdata dt_root_size_cells; @@ -560,7 +562,8 @@ void __init unflatten_device_tree(void) pr_debug(" size is %lx, allocating...\n", size); /* Allocate memory for the expanded device tree */ - mem = lmb_alloc(size + 4, __alignof__(struct device_node)); + mem = early_init_dt_alloc_memory_arch(size + 4, + __alignof__(struct device_node)); mem = (unsigned long) __va(mem); ((__be32 *)mem)[size / 4] = cpu_to_be32(0xdeadbeef); diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h index c9cb8a7..a1ca92c 100644 --- a/include/linux/of_fdt.h +++ b/include/linux/of_fdt.h @@ -78,6 +78,7 @@ extern void early_init_dt_check_for_initrd(unsigned long node); extern int early_init_dt_scan_memory(unsigned long node, const char *uname, int depth, void *data); extern void early_init_dt_add_memory_arch(u64 base, u64 size); +extern u64 early_init_dt_alloc_memory_arch(u64 size, u64 align); extern u64 dt_mem_next_cell(int s, __be32 **cellp); /*