From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752168AbeC0L5g (ORCPT ); Tue, 27 Mar 2018 07:57:36 -0400 Received: from mga18.intel.com ([134.134.136.126]:4490 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751137AbeC0L5e (ORCPT ); Tue, 27 Mar 2018 07:57:34 -0400 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,367,1517904000"; d="scan'208";a="28800979" Date: Tue, 27 Mar 2018 17:31:46 +0530 From: Vinod Koul To: sean.wang@mediatek.com Cc: dan.j.williams@intel.com, robh+dt@kernel.org, mark.rutland@arm.com, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v7 0/3] add support for Mediatek High-Speed DMA controller on MT7622 and MT7623 SoC Message-ID: <20180327120146.GI15443@localhost> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 15, 2018 at 03:40:34PM +0800, sean.wang@mediatek.com wrote: > From: Sean Wang > > > This patchset introduces support for MediaTek High-Speed DMA controller > (MTK-HSDMA) Currently, the driver is already tested successfully with > dmatest module on MT7622 and MT7623 SoC. > > MTK-HSDMA on MT7622/23 SoC has a single ring which is dedicated for > doing memory-to-memory transfer through ring-based descriptor management. > Even though there is only a single ring available inside HSDMA, the > driver is being extended to the support for multiple virtual channels > processing simultaneously by means of DMA_VIRTUAL_CHANNELS. Applied all, thanks -- ~Vinod