From patchwork Fri Nov 27 08:29:40 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 7711561 Return-Path: X-Original-To: patchwork-linux-mmc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4E15A9F1D3 for ; Fri, 27 Nov 2015 08:31:24 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 873BA2055B for ; Fri, 27 Nov 2015 08:31:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8E1692055C for ; Fri, 27 Nov 2015 08:31:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754042AbbK0Iab (ORCPT ); Fri, 27 Nov 2015 03:30:31 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:57117 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751553AbbK0Ia2 (ORCPT ); Fri, 27 Nov 2015 03:30:28 -0500 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id tAR8U29E025583; Fri, 27 Nov 2015 02:30:02 -0600 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id tAR8U2g5004187; Fri, 27 Nov 2015 02:30:02 -0600 Received: from dflp33.itg.ti.com (10.64.6.16) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.224.2; Fri, 27 Nov 2015 02:30:01 -0600 Received: from dlep32.itg.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id tAR8TjEU016879; Fri, 27 Nov 2015 02:29:59 -0600 From: Peter Ujfalusi To: , , CC: , , , , , Subject: [RFC 4/6] dmaengine: edma: Add support for DMA filter mapping to slave devices Date: Fri, 27 Nov 2015 10:29:40 +0200 Message-ID: <1448612982-28141-5-git-send-email-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.6.3 In-Reply-To: <1448612982-28141-1-git-send-email-peter.ujfalusi@ti.com> References: <1448612982-28141-1-git-send-email-peter.ujfalusi@ti.com> MIME-Version: 1.0 Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@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=unavailable 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 Add support for providing device to filter_fn mapping so client drivers can switch to use the dma_request_chan() API. Signed-off-by: Peter Ujfalusi --- drivers/dma/edma.c | 6 ++++++ include/linux/platform_data/edma.h | 3 +++ 2 files changed, 9 insertions(+) diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index 0675e268d577..587ceb9308b3 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -2297,6 +2297,12 @@ static int edma_probe(struct platform_device *pdev) edma_set_chmap(&ecc->slave_chans[i], ecc->dummy_slot); } + if (info->devnames) { + ecc->dma_slave.filter_map.devnames = info->devnames; + ecc->dma_slave.filter_map.devcnt = info->devcnt; + ecc->dma_slave.filter_map.filter_fn = edma_filter_fn; + } + ret = dma_async_device_register(&ecc->dma_slave); if (ret) { dev_err(dev, "slave ddev registration failed (%d)\n", ret); diff --git a/include/linux/platform_data/edma.h b/include/linux/platform_data/edma.h index e2878baeb90e..58a4dcba0bdf 100644 --- a/include/linux/platform_data/edma.h +++ b/include/linux/platform_data/edma.h @@ -76,6 +76,9 @@ struct edma_soc_info { s8 (*queue_priority_mapping)[2]; const s16 (*xbar_chans)[2]; + + char **devnames; + int devcnt; }; #endif