Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758624AbcCVJ4W (ORCPT ); Tue, 22 Mar 2016 05:56:22 -0400 Received: from ns.mm-sol.com ([37.157.136.199]:54955 "EHLO extserv.mm-sol.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758573AbcCVJ4C (ORCPT ); Tue, 22 Mar 2016 05:56:02 -0400 Subject: Re: [PATCH 0/2] Bypass BAM init if Remotely controlled To: Pramod Gurav , andy.gross@linaro.org, linux-kernel@vger.kernel.org References: <1458640151-15150-1-git-send-email-gpramod@codeaurora.org> Cc: dmaengine@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, dan.j.williams@intel.com, vinod.koul@intel.com, okaya@codeaurora.org, architt@codeaurora.org From: Stanimir Varbanov Message-ID: <56F116AC.2000704@mm-sol.com> Date: Tue, 22 Mar 2016 11:55:56 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <1458640151-15150-1-git-send-email-gpramod@codeaurora.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 534 Lines: 16 On 03/22/2016 11:49 AM, Pramod Gurav wrote: > On some QOCM platforms(eg 8996) BAM control registers are managed remotely > hence can not be accessed by application processor for writes. So skip the bam_init > for any such platform if DT property is set. > > Tested on 8996 (BAM Global control is through remote) and DB410C boards. > Tested with i2c DMA on these targets which uses BAM as DMA controller. I have similar patches at [1] already, could you check them first. [1] https://lkml.org/lkml/2015/12/1/113 -- regards, Stan