From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932111AbaEMIeK (ORCPT ); Tue, 13 May 2014 04:34:10 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:50626 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759471AbaEMIeF (ORCPT ); Tue, 13 May 2014 04:34:05 -0400 Message-ID: <5371D8D8.8000003@ti.com> Date: Tue, 13 May 2014 14:03:28 +0530 From: Sekhar Nori User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Peter Ujfalusi , CC: , , , , , , , , Subject: Re: [PATCH 0/4] ARM/DT: edma: Get IP configuration from hardware References: <1399967028-24757-1-git-send-email-peter.ujfalusi@ti.com> In-Reply-To: <1399967028-24757-1-git-send-email-peter.ujfalusi@ti.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday 13 May 2014 01:13 PM, Peter Ujfalusi wrote: > Hi, > > We are requesting redundant information via DT for the driver since the very same > data is available in the HW: by reading and decoding the content of CCCFG > register we can get: > Number of channels: NUM_DMACH > Number of regions: NUM_REGN > Number of slots (PaRAM sets): NUM_PAENTRY > Number of TC/EQ: NUM_EVQUE > > So these does not need to be provided by the DT binding. > > The driver will no longer look for these properties from DT and they can be > removed from the binding documentation and from the dtsi files as well. > The change will not introduce regression when new kernel is booted using older > DTB (since we just ignore the mentioned properties). Peter, to which baseline do these patches apply? I tried applying them to v3.15-rc5 but 1/4 doesn't apply cleanly. Thanks, Sekhar