From patchwork Wed Mar 29 21:51:46 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jag Raman X-Patchwork-Id: 744980 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3vthPm63yNz9s0g for ; Thu, 30 Mar 2017 08:54:52 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932381AbdC2VxO (ORCPT ); Wed, 29 Mar 2017 17:53:14 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:28613 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932182AbdC2VwA (ORCPT ); Wed, 29 Mar 2017 17:52:00 -0400 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id v2TLpva4030501 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 29 Mar 2017 21:51:58 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.14.4/8.14.4) with ESMTP id v2TLpvc8005816 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 29 Mar 2017 21:51:57 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id v2TLpvVi011509; Wed, 29 Mar 2017 21:51:57 GMT Received: from ca-ldom103.us.oracle.com (/10.129.68.23) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 29 Mar 2017 14:51:56 -0700 From: Jag Raman To: sparclinux@vger.kernel.org Cc: davem@davemloft.net, bijan.mottahedeh@oracle.com, liam.merwick@oracle.com, sunit.jain@oracle.com, jag.raman@oracle.com Subject: [PATCH 5/5] sparc64: print debug messages when reading from LDC channel Date: Wed, 29 Mar 2017 17:51:46 -0400 Message-Id: <47c9abc7bfb86a3b9c69cea9bbe0d32c50e4f3d6.1490823535.git.jag.raman@oracle.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: References: In-Reply-To: References: X-Source-IP: userv0021.oracle.com [156.151.31.71] Sender: sparclinux-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org Print debug messages when reading from given LDC channel. Signed-off-by: Jagannathan Raman Reviewed-by: Aaron Young Reviewed-by: Alexandre Chartre Reviewed-by: Bijan Mottahedeh Reviewed-by: Liam Merwick --- arch/sparc/kernel/ldc.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c index 3dc8467..f60efb9 100644 --- a/arch/sparc/kernel/ldc.c +++ b/arch/sparc/kernel/ldc.c @@ -1987,6 +1987,8 @@ int ldc_read(struct ldc_channel *lp, void *buf, unsigned int size) unsigned long flags; int err; + ldcdbg(RX, "%s: entered size=%d\n", __func__, size); + if (!buf) return -EINVAL; @@ -2002,6 +2004,9 @@ int ldc_read(struct ldc_channel *lp, void *buf, unsigned int size) spin_unlock_irqrestore(&lp->lock, flags); + ldcdbg(RX, "%s: mode=%d, head=%lu, tail=%lu rv=%d\n", __func__, + lp->cfg.mode, lp->rx_head, lp->rx_tail, err); + return err; } EXPORT_SYMBOL(ldc_read);