From patchwork Thu Jun 13 14:17:10 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajendra Nayak X-Patchwork-Id: 2717021 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id E9194C1459 for ; Thu, 13 Jun 2013 14:18:05 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CB87B20256 for ; Thu, 13 Jun 2013 14:18:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7566320248 for ; Thu, 13 Jun 2013 14:18:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756792Ab3FMOR5 (ORCPT ); Thu, 13 Jun 2013 10:17:57 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:40120 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755225Ab3FMORy (ORCPT ); Thu, 13 Jun 2013 10:17:54 -0400 Received: from dbdlxv05.itg.ti.com ([172.24.171.60]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id r5DEHTC3018770; Thu, 13 Jun 2013 09:17:30 -0500 Received: from DBDE72.ent.ti.com (dbde72.ent.ti.com [172.24.171.97]) by dbdlxv05.itg.ti.com (8.14.3/8.13.8) with ESMTP id r5DEHOsj015905; Thu, 13 Jun 2013 09:17:28 -0500 Received: from dbdp32.itg.ti.com (172.24.170.251) by DBDE72.ent.ti.com (172.24.171.97) with Microsoft SMTP Server id 14.2.342.3; Thu, 13 Jun 2013 22:17:23 +0800 Received: from ula0131687.apr.dhcp.ti.com (smtpvbd.itg.ti.com [172.24.170.250]) by dbdp32.itg.ti.com (8.13.8/8.13.8) with ESMTP id r5DEHMqo002213; Thu, 13 Jun 2013 19:47:24 +0530 From: Rajendra Nayak To: CC: , , R Sricharan Subject: [PATCH v2 2/3] ARM: OMAP: dma: Fix the dma_chan_link_map init order Date: Thu, 13 Jun 2013 19:47:10 +0530 Message-ID: <1371133031-29229-3-git-send-email-rnayak@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1371133031-29229-1-git-send-email-rnayak@ti.com> References: <1371133031-29229-1-git-send-email-rnayak@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-7.3 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: R Sricharan Init dma_chan_link_map[lch] *after* its memset to 0. Signed-off-by: R Sricharan --- arch/arm/plat-omap/dma.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index 2f99331..8a71f75 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -894,11 +894,12 @@ void omap_start_dma(int lch) int next_lch, cur_lch; char dma_chan_link_map[MAX_LOGICAL_DMA_CH_COUNT]; - dma_chan_link_map[lch] = 1; /* Set the link register of the first channel */ enable_lnk(lch); memset(dma_chan_link_map, 0, sizeof(dma_chan_link_map)); + dma_chan_link_map[lch] = 1; + cur_lch = dma_chan[lch].next_lch; do { next_lch = dma_chan[cur_lch].next_lch;