From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sekhar Nori Subject: Re: [PATCH 0/4] ARM/DT: edma: Get IP configuration from hardware Date: Tue, 13 May 2014 14:03:28 +0530 Message-ID: <5371D8D8.8000003@ti.com> References: <1399967028-24757-1-git-send-email-peter.ujfalusi@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1399967028-24757-1-git-send-email-peter.ujfalusi@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: Peter Ujfalusi , joelf@ti.com Cc: linux@arm.linux.org.uk, vinod.koul@intel.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, tony@atomide.com, bcousson@baylibre.com List-Id: devicetree@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