From patchwork Sat Dec 14 05:53:10 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 3346801 Return-Path: X-Original-To: patchwork-ltsi-dev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 7075CC0D4A for ; Sat, 14 Dec 2013 06:57:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9FBD02055B for ; Sat, 14 Dec 2013 06:57:22 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) by mail.kernel.org (Postfix) with ESMTP id 8FD22204EA for ; Sat, 14 Dec 2013 06:57:21 +0000 (UTC) Received: from mail.linux-foundation.org (localhost [IPv6:::1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 96C9890C; Sat, 14 Dec 2013 06:56:37 +0000 (UTC) X-Original-To: ltsi-dev@lists.linuxfoundation.org Delivered-To: ltsi-dev@mail.linuxfoundation.org Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTP id E1E578D0 for ; Sat, 14 Dec 2013 06:56:26 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from kirsty.vergenet.net (kirsty.vergenet.net [202.4.237.240]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id 616291F8C3 for ; Sat, 14 Dec 2013 06:56:26 +0000 (UTC) Received: from penelope.isobedori.kobe.vergenet.net (g1-27-253-251-111.bmobile.ne.jp [27.253.251.111]) by kirsty.vergenet.net (Postfix) with ESMTP id 0532F267220; Sat, 14 Dec 2013 17:00:38 +1100 (EST) Received: by penelope.isobedori.kobe.vergenet.net (Postfix, from userid 7100) id 765367C03D9; Sat, 14 Dec 2013 14:53:57 +0900 (JST) From: Simon Horman To: ltsi-dev@lists.linuxfoundation.org Date: Sat, 14 Dec 2013 14:53:10 +0900 Message-Id: <1387000406-29111-222-git-send-email-horms+renesas@verge.net.au> X-Mailer: git-send-email 1.8.4 In-Reply-To: <1387000406-29111-1-git-send-email-horms+renesas@verge.net.au> References: <1387000406-29111-1-git-send-email-horms+renesas@verge.net.au> X-Spam-Status: No, score=-2.3 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org Cc: Magnus Damm Subject: [LTSI-dev] [PATCH 221/237] ARM: 7863/1: Let arm_add_memory() always use 64-bit arguments X-BeenThere: ltsi-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "A list to discuss patches, development, and other things related to the LTSI project" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ltsi-dev-bounces@lists.linuxfoundation.org Errors-To: ltsi-dev-bounces@lists.linuxfoundation.org X-Virus-Scanned: ClamAV using ClamSMTP From: Magnus Damm The DTB and/or the kernel command line may pass 64-bit addresses regardless of kernel configuration, so update arm_add_memory() to take 64-bit arguments independently of the phys_addr_t size. This allows non-wrapping handling of high memory banks such as the second memory bank of APE6EVM (at 0x2_0000_0000) in case of 32-bit phys_addr_t. Signed-off-by: Magnus Damm Signed-off-by: Russell King (cherry picked from commit 6a5014aa037495a14ea083b621ed97fd0c3c7e9e) Signed-off-by: Simon Horman --- arch/arm/include/asm/setup.h | 2 +- arch/arm/kernel/setup.c | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h index c50f0560..8d6a089 100644 --- a/arch/arm/include/asm/setup.h +++ b/arch/arm/include/asm/setup.h @@ -49,7 +49,7 @@ extern struct meminfo meminfo; #define bank_phys_end(bank) ((bank)->start + (bank)->size) #define bank_phys_size(bank) (bank)->size -extern int arm_add_memory(phys_addr_t start, phys_addr_t size); +extern int arm_add_memory(u64 start, u64 size); extern void early_print(const char *str, ...); extern void dump_machine_table(void); diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index d62772f..23497e4 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -532,7 +532,7 @@ void __init dump_machine_table(void) /* can't use cpu_relax() here as it may require MMU setup */; } -int __init arm_add_memory(phys_addr_t start, phys_addr_t size) +int __init arm_add_memory(u64 start, u64 size) { struct membank *bank = &meminfo.bank[meminfo.nr_banks]; @@ -582,8 +582,8 @@ int __init arm_add_memory(phys_addr_t start, phys_addr_t size) static int __init early_mem(char *p) { static int usermem __initdata = 0; - phys_addr_t size; - phys_addr_t start; + u64 size; + u64 start; char *endp; /*