Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752681AbbELGvK (ORCPT ); Tue, 12 May 2015 02:51:10 -0400 Received: from mail-bn1on0076.outbound.protection.outlook.com ([157.56.110.76]:48738 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752538AbbELGvG (ORCPT ); Tue, 12 May 2015 02:51:06 -0400 Authentication-Results: spf=pass (sender IP is 149.199.60.83) smtp.mailfrom=xilinx.com; de.bosch.com; dkim=none (message not signed) header.d=none; Message-ID: <5551A2C8.1070803@xilinx.com> Date: Tue, 12 May 2015 08:50:48 +0200 From: Michal Simek User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Dirk Behme , Michal Simek , CC: Josh Cartwright , Peter Crosthwaite , Russell King , , , Thomas Betker , Steffen Trumtrar , =?windows-1252?Q?S=F6ren_?= =?windows-1252?Q?Brinkmann?= Subject: Re: [PATCH] ARM: zynq: Set bit 22 in PL310 AuxCtrl register (6395/1) References: <812979c5a158a3306d8036e7f9731947c58a3ab7.1431411716.git.michal.simek@xilinx.com> <55519E47.7040008@de.bosch.com> In-Reply-To: <55519E47.7040008@de.bosch.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-7.5.0.1018-21536.005 X-TM-AS-User-Approved-Sender: Yes;Yes;Yes X-EOPAttributedMessage: 0 X-Microsoft-Exchange-Diagnostics: 1;BN1AFFO11FD031;1:qK4cYlW524179GBNgd5EgYNukGcXLicgpkJFgFlKG6Bcbc+frcuI03Dp1eix/P+rTm8q7cPkZeksN2Qlpbp8vrwIwj980Z9OFo72dBKaUSiZ4Bla10P/GvbbdS9cm8Y3oBm3TEH/imUqIOeHEYUTj340HhMqRnBiaimt/3B3sabUrcupjQWPr7ksns+d4SFMfca8hEiSf9Iw20k58r8n3gJL9QhGrn08zqk1Pt/t8X2XHWvbUbZMmnzP78mjFPDOxyU+X9rPRaUSLJmpaw44sq/GK2hnwLBcVkfHzhfrtJ8= X-Forefront-Antispam-Report: CIP:149.199.60.83;CTRY:US;IPV:NLI;EFV:NLI;SFV:NSPM;SFS:(10009020)(6009001)(438002)(199003)(479174004)(377454003)(51704005)(164054003)(24454002)(189002)(50466002)(5001960100002)(65816999)(107886002)(189998001)(15975445007)(23746002)(47776003)(54356999)(87266999)(106466001)(77096005)(63266004)(76176999)(50986999)(87936001)(36386004)(46102003)(33656002)(86362001)(6806004)(36756003)(19580405001)(19580395003)(80316001)(59896002)(92566002)(5001770100001)(5001920100001)(4001350100001)(62966003)(77156002)(65956001)(2950100001)(83506001)(107986001)(4001430100001);DIR:OUT;SFP:1101;SCL:1;SRVR:BN1AFFO11HUB029;H:xsj-pvapsmtpgw01;FPR:;SPF:Pass;MLV:sfv;A:1;MX:1;LANG:en; X-Microsoft-Exchange-Diagnostics: =?Windows-1252?Q?1;BN1AFFO11HUB029;2:URUiRGPGlquyAZl0gy52u2Bz47Jwsh4fYPit?= =?Windows-1252?Q?esFzsMP8D0y3Uzrjiz1HILNuUvU5;2:KhSsRxqCumZ2McJKJ/peIWXY1?= =?Windows-1252?Q?/BCuyP+Wk+32YoddxJf1u9r1cTFfwppduw5MwVAdzMUwZZ3fXqJmJDyN?= =?Windows-1252?Q?chNOdDb5CB/Cv5Nwfjozq+jItJPd8T7m2JtuoDTlAjRuP/4nNgtc4zaR?= =?Windows-1252?Q?zFjQS99/go5szvvN909wcxrr5upiDSzpGTmxdapGLlH7RgZWxErjjxLn?= =?Windows-1252?Q?2TYPJwU/Q1IVI8I7tYtV9+th6BSDLc1UnN57Q3kHBI=3D;6:U3O1LVqa?= =?Windows-1252?Q?mqtDKW7/Ia+v3y5Oc8/jld70SggnXCnjFzsvv/Li7HjnDe0s57Iej+u9?= =?Windows-1252?Q?zGuNR34DQK2iOkJ22rt5ClkJWGxjIrYlz/yCen+Qf/hGxzYoLPCJKBS+?= =?Windows-1252?Q?xJWPl0A00bRQb4apSUrPYhNr/4l5dA3r/rWGNknIbGugyaDxWOWxVLSx?= =?Windows-1252?Q?Ooa7ADNO9OP+sz90eE0k0LLdpwn8ZnpTSLUOq97xBzc+AWCqWzww9eqm?= =?Windows-1252?Q?RGwW/lwHHaV3oGXfu42UvcpCvHQn9GnA6xjrXmxJD3/bi0XPxWOH0Rck?= =?Windows-1252?Q?9AKbAZ7D1H7sPhf1BVWtnApbSiaYJqahm3y6E3V0Vgw9eqDJquZozEMl?= =?Windows-1252?Q?aVIUvqDHud95qZ9GljR/Prvb5ZwHYR72srmimEKbfBnFMWjSC2R7WTFB?= =?Windows-1252?Q?tln2UNlKQtvpOgVxSqbUz6zjVrP95CvxrudxxxTwZ5yFS2Oajy8Mi92/?= =?Windows-1252?Q?7RJcbR1SplxuBvWmsxCJR9dhpoECPTvJak5/BL78Sz8/n5XG7jDIXe2W?= =?Windows-1252?Q?;3:UxTxq9XqY0CQnTUJQ1WtmfvtMSOkdOOwK88H+pySfRrSbHqeCwNkq?= =?Windows-1252?Q?65Ug5Kh330bfhH6GK39cijNNHYA89zRfLjOOMdQ3jQDij6+DB3K4IBDO?= =?Windows-1252?Q?t0Zc6ubVKzpkJq21uY1t2aLRUUpkpWG1dRyZ2KSO=0D=0A=0D=0A=0D?= =?Windows-1252?Q?=0A=0D=0Acsqq0syONhZGEfJ68gpaCYFhmjToRncPSMDoX9sy92j7D3T?= =?Windows-1252?Q?LOxmAnVTucvSkNcP0of61wJJzOrqI+gQlFNKWpIgHwjH+XY8Xgu5Wpch?= =?Windows-1252?Q?6oIVofpJ4/CbsxgHATnFZpkTQXv6BEdkR00IZkv3M6QOcNQ=3D;9:iAN?= =?Windows-1252?Q?iKcsF7na5+51v9Zc5PVoftfIzg/GPmxonXPWDmgVGrRpnEUTbpQzfq96?= =?Windows-1252?Q?qEUeqmxR0i+NOKhzHhHjX4fkqZ3+OTfXFgufmNMgXamA6Wvf9gcL7NrS?= =?Windows-1252?Q?1IXUI7Ht2djvedrvfKFbrdJYNMKI43V5GXRScrtDKcvO8UZHuD2DwFTT?= =?Windows-1252?Q?E1chyDhjdhuuT6nAOHoqA9zjlr2ERD/M6c4HY9fxN7Mg6s+r4CYki9P/?= =?Windows-1252?Q?1CcZnJH3C6HgWkhB4twa2WKrkDjlhX1dA4nlk/Y6bQGTSmzqz2MWYu3X?= =?Windows-1252?Q?IonMk8ZBitqjvxRVs2waE+Iao6zR0YTj1ttqpiFJAq3DmbEhsnGsU1bs?= =?Windows-1252?Q?0oryY1QuNcH0Zaz7TxOy0dWAA4r9aVvYMoSZQ9zqgoZlo3z2mZ8CS7fQ?= =?Windows-1252?Q?ElS+XBSCb+ILNjiaTD4P2TbxPC6NJlaYmbLkKBmZXanPKk/cZ5OYNVBi?= =?Windows-1252?Q?+lw9jp4qKOt9opG0/szbZMAv/GVtIj4XXB242ZuSnOU+KCh3w/2cF9rq?= =?Windows-1252?Q?vZZMkvdmosUo6Bx2eWXeKFUbVOgC0DqQyyA4u0oAIzgQuIrQg0hdI3JU?= =?Windows-1252?Q?GM9u2WSgVlz8lV9xpUXxmOv2+wXLaL4IY6k9IQfBMdJwLG+wWEHIdLhU?= =?Windows-1252?Q?NUqkin3r2w8Bql/yYWAHufddb2aM5r5Qu0NoZvBVobRyAqYjJL29/4wI?= =?Windows-1252?Q?SqRYkOtd+omSjCfC3zLbbyziAQGJVJZvCmSf1WnK2t/ABgmjZLxLqMdu?= =?Windows-1252?Q?DxBpC3F75xozBWGpBDZkSoEVxSSpBIEf81KDs86U3CeoXjBfZql9flIJ?= =?Windows-1252?Q?D0ZriIWfl8NDQ5+cp+LSPnO1Xes2WR0YMWXg1OcDJpH=0D=0AJI=0D?= =?Windows-1252?Q?=0A+g=0D=0AuWMWA1r7l+s3uiaYftE7HwLapA0lZ1f5UL5IMGZLmNljJ?= =?Windows-1252?Q?zgiok7V0pdg8j5J261ECPMYnWoS5L7QUHdgi75tQ8leOeZKWhDRHDvy6?= =?Windows-1252?Q?i5bxgCiHzueI/2Sg3JU+6Hy48X+FwFjlWkqaAkNv2KB3O/QvSF+fZaK2?= =?Windows-1252?Q?8QRP+RQqRdKDAr/dyGRumiVd5F4NjJD8foURMcI75E4npOgj+w9GyzsU?= =?Windows-1252?Q?FeC147yyU1gRl9Q4mBR3Lz+7DU1AGZvaSCkZupDQpNRn/nlenyIG8pNW?= =?Windows-1252?Q?3Szh/CgvpZY1RUt2tIy1AkAraoTZafGElM8RQ1E6LpmOIGRGBXJUoh/8?= =?Windows-1252?Q?OaWANgnph2OhkbexotigAmP1eDnpTrFXkFnjRruQqx8xwiorTAU36Cvq?= =?Windows-1252?Q?u;3:DL9xFDQKlBFbvXS4RmwNH3A5Ra3Pj8C8zVd3q+rnIvrBnbS6AWfu?= =?Windows-1252?Q?xffzQ5sGqdraTq0UEYg5W9t99qPBdVmcqL+5G292tSZK+DUXzFlr100w?= =?Windows-1252?Q?pFMRcld2oHYq9It/mhyDxsEGNjbI9GRrRyX3VoJRAA=3D=3D;10:0KTF?= =?Windows-1252?Q?be84TFR5GLrm1hdcYMBPFKvyk1FtFNg1cxKJsOmI7zt2gpjXLGKGUp6j?= =?Windows-1252?Q?mt+lFi+Q76liuFs1wnHWn2OSxYC+SiDD24dpMEXUcRdwr70=3D?= X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:BN1AFFO11HUB029; X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0;PCL:0;RULEID:(601004)(5005006)(3002001);SRVR:BN1AFFO11HUB029;BCL:0;PCL:0;RULEID:;SRVR:BN1AFFO11HUB029; X-Forefront-PRVS: 0574D4712B X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 May 2015 06:51:04.2702 (UTC) X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.60.83];Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN1AFFO11HUB029 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1059 Lines: 31 On 05/12/2015 08:31 AM, Dirk Behme wrote: > On 12.05.2015 08:22, Michal Simek wrote: >> From: Thomas Betker >> >> This patch is based on the >> commit 1a8e41cd672f ("ARM: 6395/1: VExpress: Set bit 22 in the PL310 >> (cache controller) AuxCtlr register") > > > I've been under the impression that this shouldn't be done in the > kernel, but in the boot loader/firmware: > > https://lkml.org/lkml/2015/2/20/199 > > http://lists.denx.de/pipermail/u-boot/2015-March/207803.html Tegra, Exynos, sti still have this bit set. Does that mean that they should be just removed because fix should be in bootloader? Anyway it is normal that bootloader stay on system untouched and only OS is updated. But OK - let's make this in bootloader if this is preferred solution. Thanks, Michal -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/