From patchwork Tue Feb 12 15:18:21 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ezequiel Garcia X-Patchwork-Id: 2128921 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id 5CB40DF23E for ; Tue, 12 Feb 2013 15:21:57 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1U5He4-0006JQ-Pm; Tue, 12 Feb 2013 15:19:44 +0000 Received: from mail.free-electrons.com ([94.23.35.102]) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1U5Hcr-0005nO-U3 for linux-arm-kernel@lists.infradead.org; Tue, 12 Feb 2013 15:18:30 +0000 Received: by mail.free-electrons.com (Postfix, from userid 106) id 7F777821; Tue, 12 Feb 2013 16:18:29 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on mail.free-electrons.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT shortcircuit=ham autolearn=disabled version=3.3.2 Received: from localhost.localdomain (20.222.3.200.ros.express.com.ar [200.3.222.20]) by mail.free-electrons.com (Postfix) with ESMTPA id C465581F; Tue, 12 Feb 2013 16:18:26 +0100 (CET) From: Ezequiel Garcia To: , Subject: [PATCH v2 4/8] ARM: omap2: gpmc-nand: Print something useful on CS request failure Date: Tue, 12 Feb 2013 12:18:21 -0300 Message-Id: <1360682305-20935-5-git-send-email-ezequiel.garcia@free-electrons.com> X-Mailer: git-send-email 1.7.8.6 In-Reply-To: <1360682305-20935-1-git-send-email-ezequiel.garcia@free-electrons.com> References: <1360682305-20935-1-git-send-email-ezequiel.garcia@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130212_101830_092305_380EF16B X-CRM114-Status: GOOD ( 10.10 ) X-Spam-Score: -2.6 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Tony Lindgren , Afzal Mohammed , Ezequiel Garcia , Jon Hunter , Felipe Balbi X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org If CS request fails the current error message is rather unhelpful. Fix it by printing the failing chip select and the error code. Signed-off-by: Ezequiel Garcia --- arch/arm/mach-omap2/gpmc-nand.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c index afc1e8c..e50e438 100644 --- a/arch/arm/mach-omap2/gpmc-nand.c +++ b/arch/arm/mach-omap2/gpmc-nand.c @@ -122,7 +122,8 @@ int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data, err = gpmc_cs_request(gpmc_nand_data->cs, NAND_IO_SIZE, (unsigned long *)&gpmc_nand_resource[0].start); if (err < 0) { - dev_err(dev, "Cannot request GPMC CS\n"); + dev_err(dev, "Cannot request GPMC CS %d, error %d\n", + gpmc_nand_data->cs, err); return err; }