From patchwork Wed Nov 16 13:56:53 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugeniy Paltsev X-Patchwork-Id: 9431639 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 126586047D for ; Wed, 16 Nov 2016 13:57:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EF51C28EC1 for ; Wed, 16 Nov 2016 13:57:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E2D5F28F0E; Wed, 16 Nov 2016 13:57:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 90EE128EC1 for ; Wed, 16 Nov 2016 13:57:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932140AbcKPN5O (ORCPT ); Wed, 16 Nov 2016 08:57:14 -0500 Received: from smtprelay.synopsys.com ([198.182.47.9]:51286 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753156AbcKPN5N (ORCPT ); Wed, 16 Nov 2016 08:57:13 -0500 Received: from mailhost.synopsys.com (mailhost1.synopsys.com [10.12.238.239]) by smtprelay.synopsys.com (Postfix) with ESMTP id 72C0324E06C7; Wed, 16 Nov 2016 05:57:12 -0800 (PST) Received: from mailhost.synopsys.com (localhost [127.0.0.1]) by mailhost.synopsys.com (Postfix) with ESMTP id 58B36B83; Wed, 16 Nov 2016 05:57:12 -0800 (PST) Received: from paltsev-8460-lab.internal.synopsys.com (paltsev-8460-lab.internal.synopsys.com [10.121.14.113]) by mailhost.synopsys.com (Postfix) with ESMTP id CC923B7E; Wed, 16 Nov 2016 05:57:09 -0800 (PST) From: Eugeniy Paltsev To: devicetree@vger.kernel.org Cc: robh+dt@kernel.org, mark.rutland@arm.com, linux-kernel@vger.kernel.org, andriy.shevchenko@linux.intel.com, vireshk@kernel.org, dan.j.williams@intel.com, vinod.koul@intel.com, dmaengine@vger.kernel.org, linux-snps-arc@lists.infradead.org, Eugeniy Paltsev Subject: [PATCH 2/4] DW DMAC: add is-memcpu property to device tree Date: Wed, 16 Nov 2016 16:56:53 +0300 Message-Id: <1479304615-11360-3-git-send-email-Eugeniy.Paltsev@synopsys.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1479304615-11360-1-git-send-email-Eugeniy.Paltsev@synopsys.com> References: <1479304615-11360-1-git-send-email-Eugeniy.Paltsev@synopsys.com> Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Memory-to-memory dma transfers were disabled by default if we used DT to cofigure DMAC. Add is-memcpu property, so it became possible to enable memory-to-memory transfers support via DT. Signed-off-by: Eugeniy Paltsev --- drivers/dma/dw/platform.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c index 4103f1d..daeceac 100644 --- a/drivers/dma/dw/platform.c +++ b/drivers/dma/dw/platform.c @@ -131,6 +131,9 @@ dw_dma_parse_dt(struct platform_device *pdev) else if (of_property_read_bool(np, "is-private")) pdata->is_private = true; + if (of_property_read_bool(np, "is-memcpu")) + pdata->is_memcpy = true; + if (!of_property_read_u32(np, "chan_allocation_order", &tmp)) pdata->chan_allocation_order = (unsigned char)tmp;