From patchwork Fri Aug 28 08:50:29 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: horia.geanta@freescale.com X-Patchwork-Id: 511814 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2001:1868:205::9]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id DAE4214016A for ; Fri, 28 Aug 2015 18:53:40 +1000 (AEST) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZVFNG-0001yT-O7; Fri, 28 Aug 2015 08:51:02 +0000 Received: from mail-bl2on0147.outbound.protection.outlook.com ([65.55.169.147] helo=na01-bl2-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZVFND-0001xC-P3 for linux-arm-kernel@lists.infradead.org; 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Fri, 28 Aug 2015 08:50:36 +0000 Received: from [127.0.0.1] (B05471-01.ea.freescale.net [10.171.73.126]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id t7S8oQ3J001616; Fri, 28 Aug 2015 01:50:33 -0700 Subject: Re: [PATCH v3] ARM: configs: Add Freescale LS1021A defconfig To: Wang Huan-B18965 , Fabio Estevam References: <1438941784-38403-1-git-send-email-b18965@freescale.com> <55CB4829.40204@freescale.com> <55CE1FFE.2080200@freescale.com> <55D6073C.1020000@freescale.com> From: =?UTF-8?Q?Horia_Geant=c4=83?= Message-ID: <55E020D5.4090201@freescale.com> Date: Fri, 28 Aug 2015 11:50:29 +0300 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: X-EOPAttributedMessage: 0 X-Microsoft-Exchange-Diagnostics: 1; BL2FFO11FD039; 1:89QPpNgMluMSrkfUMo45VoOuVXw0kW+ZbOF3mQmyn/KCkZAQU42usYpoMx43s4ZXQ2sg2/tu7wGT2flPJXXQcTqnGC1rWOg7HrGRm6CPasa+5G0JwRTecG1WpaGxc7oxX877Z6rK/Orzt5v4MM43uhiE0svWnyVJok029h/CTrwOBL00CWKoFq11AQw1kQIe8MaGfmbkwWsSF+fbNiPsL6n7IuSrwp95xBxv1YTMUhyfZLtNHrL7S29Oss27ievHCqCyFdmIAS63mK5Pu/yWtDeB5Lkg8GTMRCY+eMVE+un4KyCtlVuBRBDQA6YztwxskbgQ00oQPXsaZd/610PlKt/jd7iALtJzQ+I/KlUW78evuClxEs2kBgodZxUbNAjL52eKemIMYAEXE2begcGyGw== X-Forefront-Antispam-Report: CIP:192.88.158.2; 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BLUPR03MB566; 5:VGmjQnlRn4Bd3RUOCOpca1vd8GSLyu/3PuUtuDCsxR/659rJXUXiLPZZJkN02W1/yA35BuhFX60dauT+HZqzsKrl5tM8Fh+BibDYmo2kV5R6dHHm56lo7EsrGoPcXQuCejKaXEI8q7yBYMjYTuvDWg==; 24:Ba+JwDUgvARJZPyiYw0s46q5DscrCfOgiO33BL7jyhudtaWNBNkHA3MovlInFFy0oe/jr0B0rzAt1S1/aKWFfDgoUnSud53z9axcdzGVbq0=; 20:+/IMfhMi0SNtwqGTw/0OrG/+e3xdcI4OtEbg6oRp4SOsua5exCJqHfbxIcFVsRf3aETmLsqpSqeVbaDaEk5NMQ== X-OriginatorOrg: freescale.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Aug 2015 08:50:36.2847 (UTC) X-MS-Exchange-CrossTenant-Id: 710a03f5-10f6-4d38-9ff4-a80b81da590d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=710a03f5-10f6-4d38-9ff4-a80b81da590d; Ip=[192.88.158.2]; Helo=[az84smr01.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BLUPR03MB566 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150828_015100_038278_6F36531E X-CRM114-Status: GOOD ( 13.46 ) X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.4.0 on bombadil.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [65.55.169.147 listed in wl.mailspike.net] -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [65.55.169.147 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Estevam Fabio-R49496 , Arnd Bergmann , linux-kernel , Jin Zhengxiong-R64188 , Shawn Guo , "linux-arm-kernel@lists.infradead.org" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org List-Id: linux-imx-kernel.lists.patchwork.ozlabs.org On 8/28/2015 11:04 AM, Wang Huan-B18965 wrote: > Hi, Horia, > >> On 8/17/2015 6:42 AM, Wang Huan-B18965 wrote: >>> Hi, Fabio, >> >> Please don't top post. >> >>> >>> Based on the analysis and discussion, we prefer to use >> ls1021a_defconfig and remove LS1021A from imx_v6_v7_defconfig. >> >> Alison, when you submit v4 for this patch (adding >> CONFIG_ARCH_DMA_ADDR_T_64BIT=y as suggested), could you also send a >> patch removing CONFIG_SOC_LS1021A from imx_v6_v7_config? > [Alison Wang] I don’t know CONFIG_ARCH_DMA_ADDR_T_64BIT=y is suggested. > Could you help to explain the suggestion? Please see http://lists.infradead.org/pipermail/linux-arm-kernel/2011-November/072446.html Instead of having CONFIG_ARCH_DMA_ADDR_T_64BIT=y in the defconfig, I guess selecting it from Kconfig makes more sense: Horia diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 573536f1bb73..bb417e73af0f 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -563,6 +563,7 @@ config SOC_LS1021A select HAVE_ARM_ARCH_TIMER select PCI_DOMAINS if PCI select ZONE_DMA if ARM_LPAE + select ARCH_DMA_ADDR_T_64BIT help This enables support for Freescale LS1021A processor.