From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751698AbdJPG6F (ORCPT ); Mon, 16 Oct 2017 02:58:05 -0400 Received: from mga05.intel.com ([192.55.52.43]:5652 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750942AbdJPG6E (ORCPT ); Mon, 16 Oct 2017 02:58:04 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.43,385,1503385200"; d="scan'208";a="1231216198" Date: Mon, 16 Oct 2017 12:32:17 +0530 From: Vinod Koul To: Stefan =?iso-8859-1?Q?Br=FCns?= Cc: linux-sunxi@googlegroups.com, devicetree@vger.kernel.org, Chen-Yu Tsai , Andre Przywara , linux-kernel@vger.kernel.org, Dan Williams , Rob Herring , dmaengine@vger.kernel.org, Code Kipper , Maxime Ripard , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v4 07/11] dmaengine: sun6i: Retrieve channel count/max request from devicetree Message-ID: <20171016070217.GO30097@localhost> References: <20170928014928.2272-1-stefan.bruens@rwth-aachen.de> <6277478a-601a-48b0-8e1f-1d309049d4f4@rwthex-w2-a.rwth-ad.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <6277478a-601a-48b0-8e1f-1d309049d4f4@rwthex-w2-a.rwth-ad.de> 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, Sep 28, 2017 at 03:49:24AM +0200, Stefan Brüns wrote: > To avoid introduction of a new compatible for each small SoC/DMA controller > variation, move the definition of the channel count to the devicetree. > > The number of vchans is no longer explicit, but limited by the highest > port/DMA request number. The result is a slight overallocation for SoCs > with a sparse port mapping. This doesnt apply for me, please check -- ~Vinod