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 8DF7AC636F8 for ; Fri, 2 Dec 2022 20:59:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234525AbiLBU7k (ORCPT ); Fri, 2 Dec 2022 15:59:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37028 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233844AbiLBU7L (ORCPT ); Fri, 2 Dec 2022 15:59:11 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4090EBC80; Fri, 2 Dec 2022 12:59:05 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 329FEB822B2; Fri, 2 Dec 2022 20:59:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B93C6C433C1; Fri, 2 Dec 2022 20:59:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1670014742; bh=4f91Ig4lqU05AgsUoYBx452LJNygOSOyb5lsao0prkU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sT1mWac9NI1E+ViQpWuRr07cYjHj6m4WFD6zI1CAsqNA4T/g/1nXerzuoOaaeyabH PFiJ+EAa1+YRPgCC2oIUzUOOwphW1QPfp+GnUfGz7pZR/NObiReR+eoSDmqXlOBW3I tedBKMY/VmlvQIr0pC2Ag6db4zOwue4dzOxpNdg0rBvH/RUDcCMkfpZ6E90WoOh4K8 lX65XqF+a0xCC1WhggEgVfO+ZJ2MTyJJVt4XOFH6ebRTDpZjoNzI0FvcOegazayoEY LjdaG9oXLpH94YrzoydTtz5EJr0TlimZpOBX8ihACTkX9WsPoBuc/Lz5KpsvKxyk0o Qky8EnUYawl8Q== From: Bjorn Andersson To: johan+linaro@kernel.org Cc: konrad.dybcio@somainline.org, Manivannan Sadhasivam , catalin.marinas@arm.com, krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, will@kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, ardb@kernel.org, robin.murphy@arm.com, Christoph Hellwig , agross@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm64: dts: qcom: sc8280xp: fix PCIe DMA coherency Date: Fri, 2 Dec 2022 14:58:48 -0600 Message-Id: <167001472414.2721945.8639781336468185182.b4-ty@kernel.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20221124142501.29314-1-johan+linaro@kernel.org> References: <20221124142501.29314-1-johan+linaro@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 24 Nov 2022 15:25:01 +0100, Johan Hovold wrote: > The devices on the SC8280XP PCIe buses are cache coherent and must be > marked as such to avoid data corruption. > > A coherent device can, for example, end up snooping stale data from the > caches instead of using data written by the CPU through the > non-cacheable mapping which is used for consistent DMA buffers for > non-coherent devices. > > [...] Applied, thanks! [1/1] arm64: dts: qcom: sc8280xp: fix PCIe DMA coherency commit: 0922df8f52b88d5c718d0cfe10794ac44b95ac78 Best regards, -- Bjorn Andersson