From patchwork Tue Oct 11 12:58:33 2016 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: 77486 Delivered-To: patch@linaro.org Received: by 10.140.97.247 with SMTP id m110csp339119qge; Tue, 11 Oct 2016 06:05:37 -0700 (PDT) X-Received: by 10.157.21.76 with SMTP id z12mr1929735otz.240.1476191137584; Tue, 11 Oct 2016 06:05:37 -0700 (PDT) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id b76si4075656pfj.36.2016.10.11.06.05.32; Tue, 11 Oct 2016 06:05:37 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE dis=NONE) header.from=ti.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753714AbcJKNDz (ORCPT + 27 others); Tue, 11 Oct 2016 09:03:55 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:48361 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751154AbcJKNC5 (ORCPT ); Tue, 11 Oct 2016 09:02:57 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id u9BCwnji015464; Tue, 11 Oct 2016 07:58:49 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id u9BCwnUZ024800; Tue, 11 Oct 2016 07:58:49 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.294.0; Tue, 11 Oct 2016 07:58:49 -0500 Received: from a0393678ub.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id u9BCweZ6014511; Tue, 11 Oct 2016 07:58:47 -0500 From: Kishon Vijay Abraham I To: Bjorn Helgaas , Rob Herring CC: , , , , , Subject: [PATCH 2/4] PCI: dra7xx: simplify the probe code Date: Tue, 11 Oct 2016 18:28:33 +0530 Message-ID: <1476190715-16884-3-git-send-email-kishon@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1476190715-16884-1-git-send-email-kishon@ti.com> References: <1476190715-16884-1-git-send-email-kishon@ti.com> MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org No functional change. Use the new devm_gpiod_get_optional() to simplify the probe code. Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Sekhar Nori --- drivers/pci/host/pci-dra7xx.c | 21 +++++---------------- 1 file changed, 5 insertions(+), 16 deletions(-) -- 1.7.9.5 diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c index 45eb833..4ccba6d 100644 --- a/drivers/pci/host/pci-dra7xx.c +++ b/drivers/pci/host/pci-dra7xx.c @@ -325,9 +325,7 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev) void __iomem *base; struct resource *res; char name[10]; - int gpio_sel; - enum of_gpio_flags flags; - unsigned long gpio_flags; + struct gpio_desc *reset; dra7xx_pcie = devm_kzalloc(dev, sizeof(*dra7xx_pcie), GFP_KERNEL); if (!dra7xx_pcie) @@ -393,19 +391,10 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev) goto err_get_sync; } - gpio_sel = of_get_gpio_flags(dev->of_node, 0, &flags); - if (gpio_is_valid(gpio_sel)) { - gpio_flags = (flags & OF_GPIO_ACTIVE_LOW) ? - GPIOF_OUT_INIT_LOW : GPIOF_OUT_INIT_HIGH; - ret = devm_gpio_request_one(dev, gpio_sel, gpio_flags, - "pcie_reset"); - if (ret) { - dev_err(dev, "gpio%d request failed, ret %d\n", - gpio_sel, ret); - goto err_gpio; - } - } else if (gpio_sel == -EPROBE_DEFER) { - ret = -EPROBE_DEFER; + reset = devm_gpiod_get_optional(dev, NULL, GPIOD_OUT_HIGH); + if (IS_ERR(reset)) { + ret = PTR_ERR(reset); + dev_err(&pdev->dev, "gpio request failed, ret %d\n", ret); goto err_gpio; }