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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D42A3C433F5 for ; Thu, 10 Mar 2022 10:23:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241176AbiCJKYB convert rfc822-to-8bit (ORCPT ); Thu, 10 Mar 2022 05:24:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234478AbiCJKX5 (ORCPT ); Thu, 10 Mar 2022 05:23:57 -0500 Received: from mout.kundenserver.de (mout.kundenserver.de [217.72.192.74]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 948892E6A2 for ; Thu, 10 Mar 2022 02:22:56 -0800 (PST) Received: from mail-wr1-f52.google.com ([209.85.221.52]) by mrelayeu.kundenserver.de (mreue109 [213.165.67.113]) with ESMTPSA (Nemesis) id 1MwQKp-1oJfuV3Fht-00sNwl for ; Thu, 10 Mar 2022 11:22:54 +0100 Received: by mail-wr1-f52.google.com with SMTP id i8so7167153wrr.8 for ; Thu, 10 Mar 2022 02:22:54 -0800 (PST) X-Gm-Message-State: AOAM530xC7SYxDVqGIkNhvR+R+1xKG4XKzf0kigibAooxCKEZQpWub/I yhdDNcliCEyQFqI6EXBBavC9M+3K8sG6lGeZLdQ= X-Google-Smtp-Source: ABdhPJxLuwC/cXY7Kt49TsV0QMKpjI7NxzhH32ppEQt87QfFSN1WnLXl4LxC5A4SQh4xqnTVYHncPUASARKnWNh/o78= X-Received: by 2002:adf:f606:0:b0:203:8dff:f4ac with SMTP id t6-20020adff606000000b002038dfff4acmr891995wrp.12.1646907774501; Thu, 10 Mar 2022 02:22:54 -0800 (PST) MIME-Version: 1.0 References: <20220218212526.16021-1-pali@kernel.org> <20220304163027.29357-1-pali@kernel.org> <87k0d2i0mr.fsf@BL-laptop> <20220310100943.m33wsynnvexw7dts@pali> In-Reply-To: <20220310100943.m33wsynnvexw7dts@pali> From: Arnd Bergmann Date: Thu, 10 Mar 2022 11:22:38 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v2] arm64: dts: marvell: armada-37xx: Remap IO space to bus address 0x0 To: =?UTF-8?Q?Pali_Roh=C3=A1r?= Cc: Gregory CLEMENT , Andrew Lunn , =?UTF-8?B?TWFyZWsgQmVow7pu?= , Arnd Bergmann , Linux ARM , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-Provags-ID: V03:K1:LsqPPnF2NqYT+HCn/WxUM2xDTIRHtIUfWHtTD+HYJNy9Lfc0I/F 23o5f8eIEYMd3wyB+SZRMVfHNpO4liPnR9iDfn4fMj7TpwaZbnx5fjLXkVis0CxBIeoeyrw erKeMYmtNviUl9clm5qjdnov9KtOPR3kP9N5bPaHHQ+5WvRdzbs8Uy46wf0Aqy12EpSCWK+ xQrGPq/1Eg5RCD4WSWXCA== X-UI-Out-Filterresults: notjunk:1;V03:K0:MbM7L/U2710=:0QUyu6z+oUBg/7/NyjV3Ka 77gxg5U4ti46UUsXJmW1SJE7/gO9c5hg2UdN1eBAC0HgTO7ufRqBsWmwMhcdEobKiwdbBwWO6 hLp53dFZlOjizEKOFc8+9fy9JrQFAGIfX5WqyIYdg47JWQiV+B9wTBKcFImt/GPBQTaD4yE6B NIiQFzTmjdFNwYbOqoJblzc9XSLlJCKjJDRk+RxfB1CwoveX9j6FQVGlr6D53gu9mo3G7VA6T WJlSLejdkRr1ngu1faALQouLC1xiSZ14PEuKr22ZOw9HzBQqBsWnFLyBry1QqaIZW7mWMXTDE tm0y9ghcHmZWGgJgBUi8AuGniCITqzct1IPDwkxOniuEkqjFjREprXcN171tkY5uGMNyLngxf g5/un9Zf2wzmdMw7m4mJMATEduULCj/ktTf+Pmq0DermXkjCv2yyW2EtKiehunaSwnI6NelDc 1/t34+6ynU/fS1PWmbSQ7JGTetOT+3c/Rcfb/JV/a8e4a/gqRkh3gKkx+SnWdyCtsRpa1wh6H 1+/e4yXV341aUtu2UOn2DuYI8oVmuDFg75LXEZ5o8r7q6Jno5ih9onbdjVngAZJJMkr23wy2/ 3JZBS7TfV2bQ/XwLRqpFlFnLnwQviPuOWzhcu/RRn4i24631tANeRDAZmUQOm+REdCJFG1ny/ V9nKjptoeWHWk5A8P8VlCltzeZYCKCqeD+0AtTAqhU6ZVFDPiqzmD3O43fvzCz03zFnw625CE jlpmMmk2K3sOvLSSow1f1m+IbPmMtGcRw/XSCyBfPCsYgsP2mTFqqFsSANDg9z1NMQGSSVdpB Mu2vzT1NjUEswMhwMTDgkdFYEbki+1fm5EG+xvrUCaM6hJVlYo= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 10, 2022 at 11:09 AM Pali Rohár wrote: > On Thursday 10 March 2022 11:05:00 Gregory CLEMENT wrote: > > > > This patch has been refused by Arnd so I removed it from the mvebu/fixes > > branch so you should not apply anything on top of it. > > Ok, so what is wrong with a change which increase size of IO space to 1 MB? It should not cause any harm, but there is really no point in this if no known devices use more than a few bytes, and Linux only maps the first 64KB of the I/O space for each host bridge. I don't actually see where we limit the size to 64KB, so maybe that changed recently. Arnd