From patchwork Fri Jul 3 11:03:43 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kishon Vijay Abraham I X-Patchwork-Id: 6714181 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id F1FFB9F380 for ; Fri, 3 Jul 2015 11:04:42 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 28DF3207E7 for ; Fri, 3 Jul 2015 11:04:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 387CF207ED for ; Fri, 3 Jul 2015 11:04:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932222AbbGCLEk (ORCPT ); Fri, 3 Jul 2015 07:04:40 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:42740 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754878AbbGCLD5 (ORCPT ); Fri, 3 Jul 2015 07:03:57 -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 t63B3sSY028043; Fri, 3 Jul 2015 06:03:54 -0500 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id t63B3ssE004714; Fri, 3 Jul 2015 06:03:54 -0500 Received: from dflp33.itg.ti.com (10.64.6.16) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.224.2; Fri, 3 Jul 2015 06:03:46 -0500 Received: from a0393678ub.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id t63B3mgM009511; Fri, 3 Jul 2015 06:03:51 -0500 From: Kishon Vijay Abraham I To: , , , , , , CC: Subject: [PATCH 1/3] PCI: host: pci-dra7xx: Disable pm_runtime on get_sync failure Date: Fri, 3 Jul 2015 16:33:43 +0530 Message-ID: <1435921425-15121-2-git-send-email-kishon@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1435921425-15121-1-git-send-email-kishon@ti.com> References: <1435921425-15121-1-git-send-email-kishon@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=-7.5 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 Fix the error handling code in case pm_runtime_get_sync fails. Now when pm_runtime_get_sync fails pm_runtime_disable is invoked so that there is no unbalanced pm_runtime_enable calls. Signed-off-by: Kishon Vijay Abraham I --- drivers/pci/host/pci-dra7xx.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c index 80db09e..d8b6d66 100644 --- a/drivers/pci/host/pci-dra7xx.c +++ b/drivers/pci/host/pci-dra7xx.c @@ -384,7 +384,7 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev) ret = pm_runtime_get_sync(dev); if (IS_ERR_VALUE(ret)) { dev_err(dev, "pm_runtime_get_sync failed\n"); - goto err_phy; + goto err_get_sync; } reg = dra7xx_pcie_readl(dra7xx, PCIECTRL_DRA7XX_CONF_DEVICE_CMD); @@ -401,6 +401,8 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev) err_add_port: pm_runtime_put(dev); + +err_get_sync: pm_runtime_disable(dev); err_phy: