From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933530AbdEVSRy (ORCPT ); Mon, 22 May 2017 14:17:54 -0400 Received: from mga09.intel.com ([134.134.136.24]:52651 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759936AbdEVSRx (ORCPT ); Mon, 22 May 2017 14:17:53 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.38,378,1491289200"; d="scan'208";a="265017861" Message-ID: <1495477068.6967.63.camel@linux.intel.com> Subject: Re: dmaengine: dw-dmac: Custom cyclic API (Why?) From: Andy Shevchenko To: Jose Abreu , Vinod Koul Cc: "dmaengine@vger.kernel.org" , "linux-kernel@vger.kernel.org" , vireshk@kernel.org Date: Mon, 22 May 2017 21:17:48 +0300 In-Reply-To: <35f38fbf-d411-3cf2-cf41-9638a085b715@synopsys.com> References: <99eeb12c-fd4f-7982-4832-61116fd641d3@synopsys.com> <1483346280.9552.181.camel@linux.intel.com> <20170102101802.GX3573@localhost> <1483356603.9552.197.camel@linux.intel.com> <391eddb5-6ff5-6ae2-f224-ba9f00e19f69@synopsys.com> <1491322992.708.139.camel@linux.intel.com> <35f38fbf-d411-3cf2-cf41-9638a085b715@synopsys.com> Organization: Intel Finland Oy Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.6-1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2017-04-04 at 17:43 +0100, Jose Abreu wrote: > > On 04-04-2017 17:23, Andy Shevchenko wrote: > > On Mon, 2017-01-02 at 13:56 +0000, Jose Abreu wrote: > > > On 02-01-2017 11:30, Andy Shevchenko wrote: > > > > On Mon, 2017-01-02 at 15:48 +0530, Vinod Koul wrote: > > > > > On Mon, Jan 02, 2017 at 10:38:00AM +0200, Andy Shevchenko > > > > > wrote: > > > > > > On Fri, 2016-12-30 at 12:05 +0000, Jose Abreu wrote: > > > > Actually we have AVR32 connected to our lab. So, I can test it > > > > there, > > > > but I rather need a patch to use some dummy stub instead of > > > > codec > > > > (it > > > > has no codec connected). > > > > > > > > > > Thank you all for the info. I don't have the HW ready to test yet > > > (I was collecting some info first), but when I do I can test on > > > my side using Designware I2S and ALSA SoC DMA engine. > > > > Just TWIMC, AVR32 is going to be removed from kernel. > > It means in particularly I will follow up and remove related bits in > > dw_dmac driver, including custom cyclic API. > > > > Thanks for sharing this! Unfortunately the plans to include a DMA > for I2S audio were postponed so I never got to the point of > implementing/testing it. As I don't see any plans in using this > cyclic DMA for now I guess if I need to use it I will implement > it again using the standard cyclic DMA engine API. Just heads up TWIMC the custom API has been removed. -- Andy Shevchenko Intel Finland Oy