From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S939006AbcHJS5z (ORCPT ); Wed, 10 Aug 2016 14:57:55 -0400 Received: from mga01.intel.com ([192.55.52.88]:37101 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S938977AbcHJS5v (ORCPT ); Wed, 10 Aug 2016 14:57:51 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,501,1464678000"; d="scan'208";a="153755229" Date: Wed, 10 Aug 2016 23:02:36 +0530 From: Vinod Koul To: Peter Ujfalusi Cc: linux@arm.linux.org.uk, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, tony@atomide.com Subject: Re: [PATCH v2 0/6] dmaengine:omap-dma: Linked List transfer for slave_sg Message-ID: <20160810173235.GI9681@localhost> References: <20160720085032.2955-1-peter.ujfalusi@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160720085032.2955-1-peter.ujfalusi@ti.com> 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 Wed, Jul 20, 2016 at 11:50:26AM +0300, Peter Ujfalusi wrote: > Hi, > > Changes since v1: > - dropped the patch changing the sequence of vchan_cookie_complete and > omap_dma_start_sg in omap_dma_callback > - Use appropriate macros to find omap_chan and omap_desc in patch 6 > - Use per-device pool instead of per-channel pools. > > The following series with the final patch will add support for sDMA Linked List > transfer support. > Linked List is supported by sDMA in OMAP3630+ (OMAP4/5, dra7 family). > If the descriptor load feature is present we can create the descriptors for each > SG beforehand and let sDMA to walk them through. > This way the number of sDMA interrupts the kernel need to handle will drop > dramatically. Applied all, thanks -- ~Vinod