From patchwork Fri Jun 9 16:29:32 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jag Raman X-Patchwork-Id: 774048 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 3wknpV4GTPz9s9Y for ; Sat, 10 Jun 2017 02:30:42 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751724AbdFIQam (ORCPT ); Fri, 9 Jun 2017 12:30:42 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:23924 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751610AbdFIQak (ORCPT ); Fri, 9 Jun 2017 12:30:40 -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 v59GTflS019105 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 9 Jun 2017 16:29:41 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.14.4/8.14.4) with ESMTP id v59GTfL6016955 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 9 Jun 2017 16:29:41 GMT Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id v59GTeOl021683; Fri, 9 Jun 2017 16:29:41 GMT Received: from ca-ldom103.us.oracle.com (/10.129.68.23) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 09 Jun 2017 09:29:40 -0700 From: Jag Raman To: sparclinux@vger.kernel.org, davem@davemloft.net Cc: bijan.mottahedeh@oracle.com, hch@infradead.org, liam.merwick@oracle.com, sunit.jain@oracle.com, Jag Raman Subject: [PATCH v4 5/5] sparc64: print debug messages when reading from LDC channel Date: Fri, 9 Jun 2017 12:29:32 -0400 Message-Id: <23530ee79070e1dbb5b4dcbd786f3c056ff4f891.1497022394.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 47817b7..97a5743 100644 --- a/arch/sparc/kernel/ldc.c +++ b/arch/sparc/kernel/ldc.c @@ -1950,6 +1950,8 @@ 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; @@ -1965,6 +1967,9 @@ 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);