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 721BDEDEC45 for ; Wed, 13 Sep 2023 11:31:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240288AbjIMLbn (ORCPT ); Wed, 13 Sep 2023 07:31:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240194AbjIMLbj (ORCPT ); Wed, 13 Sep 2023 07:31:39 -0400 Received: from mout.gmx.net (mout.gmx.net [212.227.17.22]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 158721726; Wed, 13 Sep 2023 04:31:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=s31663417; t=1694604676; x=1695209476; i=wahrenst@gmx.net; bh=28UftcTBRZ6helOYZnhliSx5p5LHun67O1lu6Xhm8Ig=; h=X-UI-Sender-Class:Date:Subject:From:To:Cc:References:In-Reply-To; b=MyagVk0GEzc/rKdlwS5PzESKtkYq0Nf6cWuUra2ZHvtCgX2vjRnEPbU+JsbfJKpDzYbFmGi/McI FRPiQ/BgTf2ujLvaJn3sjGkGCNkOozTSokMOeCa/wZ04AbkfGfbOa+qFRQ/0zwE00wavBpdrvL4IY w2rhGsFV8Zu7H3nVIIlsQ4OJtcvX1qxLvUUUbx0IKTTT/2xp1k1ug+kOsR8C4piqv64h9pLaw3hfS 1lnkBScVLvJjvqZ4e5fIUt/sV2KRgi9ZDf3AOe48Xt8BdPuxQ5PUjC1kj6Y5BXC3RujGb1Wg078/W lvffdQHRErnY/l1+xCRziKS2WbtTBDT0AhWA== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from [192.168.1.129] ([37.4.248.43]) by mail.gmx.net (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1M6Udt-1qmgYP26np-006vkL; Wed, 13 Sep 2023 13:31:16 +0200 Message-ID: <66a6c513-7277-255d-dd56-eed1d6a8efe8@gmx.net> Date: Wed, 13 Sep 2023 13:31:15 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 Subject: Re: [PATCH v10 1/5] staging: vc04_services: vchiq_arm: Add new bus type and device type From: Stefan Wahren To: Umang Jain , Robin Murphy Cc: gregkh@linuxfoundation.org, f.fainelli@gmail.com, athierry@redhat.com, error27@gmail.com, kieran.bingham@ideasonboard.com, laurent.pinchart@ideasonboard.com, dave.stevenson@raspberrypi.com, linux-kernel@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org References: <20230911140712.180751-1-umang.jain@ideasonboard.com> <20230911140712.180751-2-umang.jain@ideasonboard.com> <7b7d322d-5ea6-5048-0cbe-8d292853ba12@gmx.net> Content-Language: en-US In-Reply-To: <7b7d322d-5ea6-5048-0cbe-8d292853ba12@gmx.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:J3aK1TsqiktJsf7+0PTG00rcEOkVlbMc3Ux6kZqx1ZcLBD2VqER snLZGlzHKbA1aKZcxgBUjapCgacwK30bDRXQkvZfGtmDSy9thlorNODA7nzs6wq6YxWjhzA r3fCuVhgYW5xuZNxbQuOoOlOVMhT4NMh25lcM3LPeUEgLPw3Qbq6IHks5lSZsNtzKIYLbTQ qyfZb4FnvwqwmR09bQRsA== UI-OutboundReport: notjunk:1;M01:P0:Aa5zqFzzW6Q=;TSWzz8UOW2Vrt7q1EYQ7JyeekD0 M+7Y4SFDSO+xdOqfCDjRpApbN5hZI14riCM5UsU6vFcrmWW82Svc7KuBdelxTx1Z9lBKm/Roe QTfAck/dmZYo0L2pam5cPN3OENeHAE5IxL/mJJ0x3ZTx6xQ8UkfGhuGlTDtJ/XZLeRyf7dupD ib3VyCS7vkjDODHyKfKrIW5pnlAfKWTWFjNOjMLDJhfqB2mxrxeP5/vdQAbty5/nhHaypPKfI hw1vQtloYDs0Xao4EeihkjRxDfUxO8Z8+tzYzmQ1rvWtcM26zxTf3cwKII4NxmwvrZ/E3DT/t IfEWI67d0tc6snnI2N6EsgxaysXvK40C7YlB3OqAqGjQE/HtOOM5Ym/rrQzWNyBXrolcC/T9s z43f1kotSPl/PT8JXdvI3xRiou7QBYGy8ChoI3xiEwGdHp14kYauzz4O9G0j+vkAubabfve9P q0TtwBj4gVZ0i9md8IlMFLWf/u8ez6ddl5+2irvJ9Pr2qrUrsocrRbvUsxhaQP45Wq/e2QCw3 rMtkkmzOUC0gYVxswc+dxpa1bKazq9E7y3zib0ShUm8u1ZDtoe/bduVvJPiPY750WWtmWmiDN bzPrt2TR3uHisyfSy8j2cndFAudj4nqHguL8yAD+MroQLU0TAwV0Av4jGJuwW2TQOVTdTgeBy LHzb7sqtc4vBP/OQiWQIoxNUhz2UGA55BK9bHWNodU5OMGGfdpMPike3ENoKlOZNceuT6az9F HxWfUR5BOIqftK62M8bVrpwAU00keHnU45XQTlpey0swdgv6b0qKpFF6BQPm+6wEotlPHVZTg I1cjzvxWr5Y2Co8ZZygeEfSHXvn5PxmBvwZxCJO3hmc3pksduuzoSXto9DLfn1JLb5Ex8Q0BB f8Jf7Q66yFsnREfh8tpHQV7OYVOuRTaICWj8O57GuG3fqfPEtnuMzZBaGmhWWyQakN48S8zqv FYfVNkEj5knalnKKuK0vjRYsC90= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Umang, Am 12.09.23 um 09:23 schrieb Stefan Wahren: > Hi Umang, > > Am 12.09.23 um 07:50 schrieb Umang Jain: >> Hi Stephan >> >> On 9/12/23 1:52 AM, Stefan Wahren wrote: >>> Hi Umang, >>> >>> Am 11.09.23 um 16:07 schrieb Umang Jain: >>>> ... >>> >>> Unfortunately the call of of_dma_configure() generates warnings likes >>> this (Raspberry Pi 3A+ with multi_v7_defconfig + VCHIQ): >>> >>> [=C2=A0=C2=A0=C2=A0 9.206802] vchiq-bus bcm2835-audio: DMA mask not se= t >>> [=C2=A0=C2=A0=C2=A0 9.206892] vchiq-bus bcm2835-camera: DMA mask not s= et >> >> huh, really weird, as on my RPi-3-b I get these set correctly and I >> don't any such warning. > This warning comes from this line [1]. Did you test with the mainline > devicetree from [2] which must be specified in the config.txt? Be > aware the arm dts files has moved into a sub directory just like > arm64. I don't use U-Boot, just the vendor bootloader from Raspberry > Pi OS. Please look at [3] for the details. please look at [4], which is possible a solution. AFAIK the dwc2 also had the same problem. [4] - https://elixir.bootlin.com/linux/latest/source/drivers/usb/dwc2/platform.c= #L448