Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp898718pxf; Wed, 7 Apr 2021 14:30:45 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzkxjlwtE44K2hgxvdiiMGQ1bZSz/7R2aJau6EGGugxIXOvxVKxllJn/HDsLJxJrQpDsuV0 X-Received: by 2002:a17:906:cc4d:: with SMTP id mm13mr6333965ejb.138.1617831045460; Wed, 07 Apr 2021 14:30:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1617831045; cv=none; d=google.com; s=arc-20160816; b=h6jfp8tfXHMx45ZXYpGVdK6W1+121tIbEiwAmA7pZGWsg1MtRt5PZWHaUD7/GRd7MG RfCIiM19w6O8du4+eIRfp0ev4Tq1s+b/prir0DBkZxsFXWyrekqIswVf/X/P9k4nbxbn vGKAMgZ83IOdnqEyC3uRb4L19OW5TBvdR7hMi0BvNfYFawd6ftPViy6DS7TOXoj3grkO /srix7r5keKBmzHtr4DTUrunKKH/jqtVi1Koew1LlbY34vAW9Ov4LjM/i/liVyQgVL+U nMFQZuPmdU9e2Qx8GXgew7QbWjt5KY7oFMwiUcSLXIqkP7TjNt2Wi0ok0yZxdVK5d7Wv pp5Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=YHq1/eBX9cRZJ0IqEURw4Vlh0yaaE9vI0B0PXkhG0f4=; b=Xn3TogKV/cEOOIKtD7ooGZR7RhD1IpU4hhaAL3BBuU2delZBZyi5ShwNN4NvQXkFZ5 hVKUBsiVlz2+RkrKAMaMabpKdwo9SceFG46nobMiuxBqJwVCOYUOvcsBfkntlnsRL2hU 5FlrPTamfiqHl6wW+0Z8iXRKGjzvDbIjur0ROwT3E785sLdjJzwdeL9kiTcSCzbs+PLG QKrCfh2byz1hnpT+u8Iq/RaC1fo9SVgr4iwB4uxyqPSksLSDD9yPbv+8w6w/h9nbh7uY AwfBRekSE4igu8/BIWdncFIsK3nwF7fsxRHu2eS5WanaFAM5YlFX70kov0+XtToiVKDO XWZg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id o13si21395348edi.135.2021.04.07.14.30.22; Wed, 07 Apr 2021 14:30:45 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353992AbhDGQCJ (ORCPT + 99 others); Wed, 7 Apr 2021 12:02:09 -0400 Received: from foss.arm.com ([217.140.110.172]:59878 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242044AbhDGQCI (ORCPT ); Wed, 7 Apr 2021 12:02:08 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id EA99F1063; Wed, 7 Apr 2021 09:01:58 -0700 (PDT) Received: from e123427-lin.arm.com (unknown [10.57.58.205]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 7AA133F73D; Wed, 7 Apr 2021 09:01:57 -0700 (PDT) From: Lorenzo Pieralisi To: linux-pci@vger.kernel.org, Bharat Kumar Gogada , linux-kernel@vger.kernel.org Cc: Lorenzo Pieralisi , bhelgaas@google.com Subject: Re: [PATCH v3 1/2] PCI: xilinx-nwl: Enable coherent PCIe DMA traffic using CCI Date: Wed, 7 Apr 2021 17:01:50 +0100 Message-Id: <161781127065.668.2308248891622722223.b4-ty@arm.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20210222084732.21521-1-bharat.kumar.gogada@xilinx.com> References: <20210222084732.21521-1-bharat.kumar.gogada@xilinx.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 22 Feb 2021 14:17:31 +0530, Bharat Kumar Gogada wrote: > Add support for routing PCIe DMA traffic coherently when > Cache Coherent Interconnect (CCI) is enabled in the system. > The "dma-coherent" property is used to determine if CCI is enabled > or not. > Refer to https://developer.arm.com/documentation/ddi0470/k/preface > for the CCI specification. Applied to pci/xilinx, thanks! [1/2] PCI: xilinx-nwl: Enable coherent PCIe DMA traffic using CCI https://git.kernel.org/lpieralisi/pci/c/213e122052 [2/2] PCI: xilinx-nwl: Add optional "dma-coherent" property https://git.kernel.org/lpieralisi/pci/c/1c4422f226 Thanks, Lorenzo