From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751335AbdE3GQG (ORCPT ); Tue, 30 May 2017 02:16:06 -0400 Received: from mga04.intel.com ([192.55.52.120]:27006 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751315AbdE3GQA (ORCPT ); Tue, 30 May 2017 02:16:00 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.38,417,1491289200"; d="scan'208";a="267894932" Date: Tue, 30 May 2017 11:48:02 +0530 From: Vinod Koul To: Robin Murphy Cc: dan.j.williams@intel.com, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] dmaengine: pl330: Add IOMMU support to slave tranfers Message-ID: <20170530061757.GK15061@localhost> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 19, 2017 at 03:06:44PM +0100, Robin Murphy wrote: > Wire up dma_map_resource() for slave transfers, so that we can let the > PL330 use IOMMU-backed DMA mapping ops on systems with an appropriate > IOMMU and RAM above 4GB, to avoid CPU bounce buffering. Applied, thanks -- ~Vinod