From patchwork Sat Mar 28 17:05:44 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lars-Peter Clausen X-Patchwork-Id: 6114231 Return-Path: X-Original-To: patchwork-dmaengine@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 4BAB7BF4A6 for ; Sat, 28 Mar 2015 17:03:03 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 76B2D202DD for ; Sat, 28 Mar 2015 17:03:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 12699202E5 for ; Sat, 28 Mar 2015 17:03:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752248AbbC1RDA (ORCPT ); Sat, 28 Mar 2015 13:03:00 -0400 Received: from smtp-out-236.synserver.de ([212.40.185.236]:1034 "EHLO smtp-out-236.synserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751443AbbC1RDA (ORCPT ); Sat, 28 Mar 2015 13:03:00 -0400 Received: (qmail 14966 invoked by uid 0); 28 Mar 2015 17:02:57 -0000 X-SynServer-TrustedSrc: 1 X-SynServer-AuthUser: lars@laprican.de X-SynServer-PPID: 14912 Received: from ppp-88-217-83-222.dynamic.mnet-online.de (HELO lars-laptop.fritz.box) [88.217.83.222] by 217.119.54.81 with SMTP; 28 Mar 2015 17:02:57 -0000 From: Lars-Peter Clausen To: Vinod Koul Cc: dmaengine@vger.kernel.org, Lars-Peter Clausen Subject: [PATCH] dmaengine: jz4740: Define capabilities Date: Sat, 28 Mar 2015 18:05:44 +0100 Message-Id: <1427562344-32340-1-git-send-email-lars@metafoo.de> X-Mailer: git-send-email 1.7.10.4 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Setup the capabilities of the device/driver, so that users of the DMAengine API can query them. Signed-off-by: Lars-Peter Clausen --- drivers/dma/dma-jz4740.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/dma/dma-jz4740.c b/drivers/dma/dma-jz4740.c index 7497578..7638b24 100644 --- a/drivers/dma/dma-jz4740.c +++ b/drivers/dma/dma-jz4740.c @@ -502,6 +502,9 @@ static void jz4740_dma_desc_free(struct virt_dma_desc *vdesc) kfree(container_of(vdesc, struct jz4740_dma_desc, vdesc)); } +#define JZ4740_DMA_BUSWIDTHS (BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \ + BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | BIT(DMA_SLAVE_BUSWIDTH_4_BYTES)) + static int jz4740_dma_probe(struct platform_device *pdev) { struct jz4740_dmaengine_chan *chan; @@ -538,6 +541,10 @@ static int jz4740_dma_probe(struct platform_device *pdev) dd->device_prep_dma_cyclic = jz4740_dma_prep_dma_cyclic; dd->device_config = jz4740_dma_slave_config; dd->device_terminate_all = jz4740_dma_terminate_all; + dd->src_addr_widths = JZ4740_DMA_BUSWIDTHS; + dd->dst_addr_widths = JZ4740_DMA_BUSWIDTHS; + dd->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); + dd->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; dd->dev = &pdev->dev; INIT_LIST_HEAD(&dd->channels);