From patchwork Wed Jul 22 08:48:09 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 6841121 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 DDB5AC05AD for ; Wed, 22 Jul 2015 08:49:37 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 22A6A20520 for ; Wed, 22 Jul 2015 08:49:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 20B1B206E8 for ; Wed, 22 Jul 2015 08:49:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933625AbbGVIs0 (ORCPT ); Wed, 22 Jul 2015 04:48:26 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:59111 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933040AbbGVIsV (ORCPT ); Wed, 22 Jul 2015 04:48:21 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id t6M8mJiH020348; Wed, 22 Jul 2015 03:48:19 -0500 Received: from DLEE70.ent.ti.com (dlee70.ent.ti.com [157.170.170.113]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id t6M8mI0w016295; Wed, 22 Jul 2015 03:48:19 -0500 Received: from dflp32.itg.ti.com (10.64.6.15) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.224.2; Wed, 22 Jul 2015 03:47:45 -0500 Received: from dflp33.itg.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id t6M8mDGr013818; Wed, 22 Jul 2015 03:48:16 -0500 From: Peter Ujfalusi To: , CC: , , , Subject: [PATCH v3 1/2] dmaengine: ti-dma-crossbar: Make idr xbar instance-specific Date: Wed, 22 Jul 2015 11:48:09 +0300 Message-ID: <1437554890-2088-2-git-send-email-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.4.6 In-Reply-To: <1437554890-2088-1-git-send-email-peter.ujfalusi@ti.com> References: <1437554890-2088-1-git-send-email-peter.ujfalusi@ti.com> MIME-Version: 1.0 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Spam-Status: No, score=-8.1 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 From: Misael Lopez Cruz In preparation for supporting multiple DMA crossbar instances, make the idr xbar instance specific. Signed-off-by: Misael Lopez Cruz Signed-off-by: Peter Ujfalusi --- drivers/dma/ti-dma-crossbar.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/dma/ti-dma-crossbar.c b/drivers/dma/ti-dma-crossbar.c index 24f5ca2356bf..1fd3fb73d6e8 100644 --- a/drivers/dma/ti-dma-crossbar.c +++ b/drivers/dma/ti-dma-crossbar.c @@ -20,12 +20,11 @@ #define TI_XBAR_OUTPUTS 127 #define TI_XBAR_INPUTS 256 -static DEFINE_IDR(map_idr); - struct ti_dma_xbar_data { void __iomem *iomem; struct dma_router dmarouter; + struct idr map_idr; u16 safe_val; /* Value to rest the crossbar lines */ u32 xbar_requests; /* number of DMA requests connected to XBAR */ @@ -51,7 +50,7 @@ static void ti_dma_xbar_free(struct device *dev, void *route_data) map->xbar_in, map->xbar_out); ti_dma_xbar_write(xbar->iomem, map->xbar_out, xbar->safe_val); - idr_remove(&map_idr, map->xbar_out); + idr_remove(&xbar->map_idr, map->xbar_out); kfree(map); } @@ -81,7 +80,7 @@ static void *ti_dma_xbar_route_allocate(struct of_phandle_args *dma_spec, return ERR_PTR(-ENOMEM); } - map->xbar_out = idr_alloc(&map_idr, NULL, 0, xbar->dma_requests, + map->xbar_out = idr_alloc(&xbar->map_idr, NULL, 0, xbar->dma_requests, GFP_KERNEL); map->xbar_in = (u16)dma_spec->args[0]; @@ -113,6 +112,8 @@ static int ti_dma_xbar_probe(struct platform_device *pdev) if (!xbar) return -ENOMEM; + idr_init(&xbar->map_idr); + dma_node = of_parse_phandle(node, "dma-masters", 0); if (!dma_node) { dev_err(&pdev->dev, "Can't get DMA master node\n");