From patchwork Wed Jan 11 12:06:52 2017 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: 9509977 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 770DB60762 for ; Wed, 11 Jan 2017 12:08:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6655B283FC for ; Wed, 11 Jan 2017 12:08:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5B43228604; Wed, 11 Jan 2017 12:08:29 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F2799284ED for ; Wed, 11 Jan 2017 12:08:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965830AbdAKMHS (ORCPT ); Wed, 11 Jan 2017 07:07:18 -0500 Received: from lelnx194.ext.ti.com ([198.47.27.80]:57408 "EHLO lelnx194.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965366AbdAKMHQ (ORCPT ); Wed, 11 Jan 2017 07:07:16 -0500 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by lelnx194.ext.ti.com (8.15.1/8.15.1) with ESMTP id v0BC7EgL029394; Wed, 11 Jan 2017 06:07:14 -0600 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 v0BC7Est021447; Wed, 11 Jan 2017 06:07:14 -0600 Received: from dflp32.itg.ti.com (10.64.6.15) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.294.0; Wed, 11 Jan 2017 06:07:14 -0600 Received: from a0393678ub.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id v0BC77KN008223; Wed, 11 Jan 2017 06:07:12 -0600 From: Kishon Vijay Abraham I To: Bjorn Helgaas CC: , , , , Subject: [PATCH 2/5] PCI: dwc: dra7xx: Simplify the probe code Date: Wed, 11 Jan 2017 17:36:52 +0530 Message-ID: <1484136415-20798-3-git-send-email-kishon@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1484136415-20798-1-git-send-email-kishon@ti.com> References: <1484136415-20798-1-git-send-email-kishon@ti.com> MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP No functional change. Use the new devm_gpiod_get_optional() to simplify the probe code. Signed-off-by: Kishon Vijay Abraham I --- drivers/pci/dwc/pci-dra7xx.c | 21 +++++---------------- 1 file changed, 5 insertions(+), 16 deletions(-) diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c index 9595fad..f6d0c63 100644 --- a/drivers/pci/dwc/pci-dra7xx.c +++ b/drivers/pci/dwc/pci-dra7xx.c @@ -320,9 +320,7 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; char name[10]; - int gpio_sel; - enum of_gpio_flags flags; - unsigned long gpio_flags; + struct gpio_desc *reset; dra7xx = devm_kzalloc(dev, sizeof(*dra7xx), GFP_KERNEL); if (!dra7xx) @@ -388,19 +386,10 @@ 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; }