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 X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 86389C433E0 for ; Mon, 11 Jan 2021 16:12:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2B6EA22211 for ; Mon, 11 Jan 2021 16:12:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731691AbhAKQMK (ORCPT ); Mon, 11 Jan 2021 11:12:10 -0500 Received: from m-r2.th.seeweb.it ([5.144.164.171]:48859 "EHLO m-r2.th.seeweb.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730599AbhAKQMK (ORCPT ); Mon, 11 Jan 2021 11:12:10 -0500 X-Greylist: delayed 380 seconds by postgrey-1.27 at vger.kernel.org; Mon, 11 Jan 2021 11:12:08 EST Received: from [192.168.1.101] (abaf53.neoplus.adsl.tpnet.pl [83.6.169.53]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by m-r2.th.seeweb.it (Postfix) with ESMTPSA id E88673F1FD; Mon, 11 Jan 2021 17:04:50 +0100 (CET) Subject: Re: [PATCH 7/7] arm64: dts: qcom: sdm845: enable dma for spi To: Vinod Koul , Bjorn Andersson , Mark Brown , Wolfram Sang Cc: linux-arm-msm@vger.kernel.org, Andy Gross , Matthias Kaehlcke , Douglas Anderson , Sumit Semwal , Amit Pundir , linux-spi@vger.kernel.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org References: <20210111151651.1616813-1-vkoul@kernel.org> <20210111151651.1616813-8-vkoul@kernel.org> From: Konrad Dybcio Message-ID: <6cc90f43-f2c8-85f7-3d1c-f96468aab196@somainline.org> Date: Mon, 11 Jan 2021 17:04:50 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <20210111151651.1616813-8-vkoul@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Hi, looks like sdm845-cheza also uses the spi0 bus, which as far as I understand is going to break with the GPI DMA disabled. Perhaps it should also be enabled over there? Actually, is there a point in disabling DMA for BLSPs/QUPs in the SoC DTSI? I don't think any platform/vendor firmware disables entire hosts.. Konrad