From patchwork Thu Apr 24 07:29:50 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 4045861 X-Patchwork-Delegate: vinod.koul@intel.com Return-Path: X-Original-To: patchwork-dmaengine@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 425CB9F1F4 for ; Thu, 24 Apr 2014 07:30:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 75B8E2025A for ; Thu, 24 Apr 2014 07:30:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9641220219 for ; Thu, 24 Apr 2014 07:30:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751468AbaDXHaV (ORCPT ); Thu, 24 Apr 2014 03:30:21 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:39924 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751328AbaDXHaU (ORCPT ); Thu, 24 Apr 2014 03:30:20 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id s3O7TtA2016516; Thu, 24 Apr 2014 02:29:55 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id s3O7TtPs016079; Thu, 24 Apr 2014 02:29:55 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.174.1; Thu, 24 Apr 2014 02:29:55 -0500 Received: from dflp32.itg.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id s3O7TpFk000435; Thu, 24 Apr 2014 02:29:52 -0500 From: Peter Ujfalusi To: , , , CC: , , , , Subject: [RESEND] dmaengine: edma: Add channel number to debug prints Date: Thu, 24 Apr 2014 10:29:50 +0300 Message-ID: <1398324590-31752-1-git-send-email-peter.ujfalusi@ti.com> X-Mailer: git-send-email 1.9.2 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=-7.5 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 It helps to identify issues if we have some information regarding to the channel which the event is associated. Signed-off-by: Peter Ujfalusi Acked-by: Joel Fernandes --- Hi Vinod, rebased on: git://git.infradead.org/users/vkoul/slave-dma.git next On top of: 406efb1a745c dmaengine: edma: No need save/restore interrupt flags during... Regards, Peter drivers/dma/edma.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index fa87fd52b0ad..473155d34d7b 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -183,7 +183,8 @@ static void edma_execute(struct edma_chan *echan) } if (edesc->processed <= MAX_NR_SG) { - dev_dbg(dev, "first transfer starting %d\n", echan->ch_num); + dev_dbg(dev, "first transfer starting on channel %d\n", + echan->ch_num); edma_start(echan->ch_num); } else { dev_dbg(dev, "chan: %d: completed %d elements, resuming\n", @@ -197,7 +198,7 @@ static void edma_execute(struct edma_chan *echan) * MAX_NR_SG */ if (echan->missed) { - dev_dbg(dev, "missed event in execute detected\n"); + dev_dbg(dev, "missed event on channel %d\n", echan->ch_num); edma_clean_channel(echan->ch_num); edma_stop(echan->ch_num); edma_start(echan->ch_num); @@ -779,7 +780,7 @@ static int edma_alloc_chan_resources(struct dma_chan *chan) echan->alloced = true; echan->slot[0] = echan->ch_num; - dev_dbg(dev, "allocated channel for %u:%u\n", + dev_dbg(dev, "allocated channel %d for %u:%u\n", echan->ch_num, EDMA_CTLR(echan->ch_num), EDMA_CHAN_SLOT(echan->ch_num)); return 0;