Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932688AbcKPN5O (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 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: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 839 Lines: 26 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; -- 2.5.5