From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5EAC3C433EF for ; Tue, 19 Oct 2021 23:56:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2542361004 for ; Tue, 19 Oct 2021 23:56:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229707AbhJSX7I (ORCPT ); Tue, 19 Oct 2021 19:59:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53212 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229602AbhJSX7I (ORCPT ); Tue, 19 Oct 2021 19:59:08 -0400 Received: from mail-ua1-x930.google.com (mail-ua1-x930.google.com [IPv6:2607:f8b0:4864:20::930]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6062FC06161C for ; Tue, 19 Oct 2021 16:56:54 -0700 (PDT) Received: by mail-ua1-x930.google.com with SMTP id h19so3347015uax.5 for ; Tue, 19 Oct 2021 16:56:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=usp.br; s=usp-google; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :content-transfer-encoding; bh=Psadu57ENx7zSGlF7FXcnUH65xKVT0cShGyA5O0uuR0=; b=ODqOboJjNhOiXi81NalCiQ/twxF5ntHRKx/4pmyPa+DUDvNWPZnIUcbN3j7XTnTNQ2 yj8sIQ7h+Wy0If3tAzoMnSETtUqyQDtYV+NiZw3VBFkhIMRZtnwqraKDHWGM9tyPQYfY K4BTFg3srrrjllX5xgEbhwnjuVlnZ2ZQqKxJmtYqbQr6a78vKNTJJa2dfwj5xyVOkpJQ 1tpPpuffgcDUkk2X5d3wsUtffRCIqsDoMDMQu/hFmYnzRwR9J/crf03ML7sZXXJBwu+d E7RWh+E+eBA5wGaRkhjqjEiWmU030tL5K2mRunRpx2X7N8CGOS28ZNJl1fq+05Y3UYaZ /+aA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:content-transfer-encoding; bh=Psadu57ENx7zSGlF7FXcnUH65xKVT0cShGyA5O0uuR0=; b=V5nFMEq/+KvVG4XTpIRaPLyzFILR9gACjqk1kuPKEw6NJKj0780hJ+KfEFRO8cvQhf KHsL6p5b3K7sbbZ+1KEXrecXfvaRejuz8dx7REjf1BUQ/K+OyVWomMo2hkS0bWOwabBg D2nVqQguSIPB4rIyu8PG3jJNFiNxovasWw1kRP9lkijEVrlUMB9DjRjgMtepHfPhpnh0 7o8xQ0jWYqoZhWL21Kt7KHHaf4BQfXkwf+7x+FQwGYABCkgy31tE0wYNQsDRhech0jFr t8iVCvHhg257xg0Z5FvadFNdi/NLmVFDHjP0E7IWTKDHi9Zn0bNCumaIsD1SJcYOdD1B Lzfw== X-Gm-Message-State: AOAM531OPAF81DTwSrPFnjGEneXTfdftvRz5LxTr7EAS0eIGYPFUfqCd lw6SesGAXGTYHV1RwtDmzV6vxw== X-Google-Smtp-Source: ABdhPJwlLA0sh0zRvKRqiCuIt3kikTSJXJ6xr4LhbZE4d6LdVlxFRUNKwXjavMBLiItZWWAv24aMlw== X-Received: by 2002:a9f:29a5:: with SMTP id s34mr3998999uas.122.1634687813539; Tue, 19 Oct 2021 16:56:53 -0700 (PDT) Received: from fedora ([187.64.134.142]) by smtp.gmail.com with ESMTPSA id j11sm405367uaa.6.2021.10.19.16.56.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Oct 2021 16:56:53 -0700 (PDT) Date: Tue, 19 Oct 2021 20:56:47 -0300 From: =?iso-8859-1?Q?Ma=EDra?= Canal To: hongxing.zhu@nxp.com, l.stach@pengutronix.de Cc: lorenzo.pieralisi@arm.com, robh@kernel.org, kw@linux.com, bhelgaas@google.com, helgaas@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] PCI: imx6: Replace legacy gpio interface for gpiod interface Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Considering the current transition of the GPIO subsystem, remove all dependencies of the legacy GPIO interface (linux/gpio.h and linux /of_gpio.h) and replace it with the descriptor-based GPIO approach. Signed-off-by: Maíra Canal --- V1 -> V2: Rewrite commit log and subject line to match PCI subsystem standard --- drivers/pci/controller/dwc/pci-imx6.c | 31 ++++++++++----------------- 1 file changed, 11 insertions(+), 20 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 80fc98acf097..e5ee54e37d05 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -11,13 +11,12 @@ #include #include #include -#include +#include #include #include #include #include #include -#include #include #include #include @@ -63,7 +62,7 @@ struct imx6_pcie_drvdata { struct imx6_pcie { struct dw_pcie *pci; - int reset_gpio; + struct gpio_desc *reset_gpio; bool gpio_active_high; struct clk *pcie_bus; struct clk *pcie_phy; @@ -526,11 +525,11 @@ static void imx6_pcie_deassert_core_reset(struct imx6_pcie *imx6_pcie) usleep_range(200, 500); /* Some boards don't have PCIe reset GPIO. */ - if (gpio_is_valid(imx6_pcie->reset_gpio)) { - gpio_set_value_cansleep(imx6_pcie->reset_gpio, + if (imx6_pcie->reset_gpio) { + gpiod_set_value_cansleep(imx6_pcie->reset_gpio, imx6_pcie->gpio_active_high); msleep(100); - gpio_set_value_cansleep(imx6_pcie->reset_gpio, + gpiod_set_value_cansleep(imx6_pcie->reset_gpio, !imx6_pcie->gpio_active_high); } @@ -1025,22 +1024,14 @@ static int imx6_pcie_probe(struct platform_device *pdev) return PTR_ERR(pci->dbi_base); /* Fetch GPIOs */ - imx6_pcie->reset_gpio = of_get_named_gpio(node, "reset-gpio", 0); imx6_pcie->gpio_active_high = of_property_read_bool(node, "reset-gpio-active-high"); - if (gpio_is_valid(imx6_pcie->reset_gpio)) { - ret = devm_gpio_request_one(dev, imx6_pcie->reset_gpio, - imx6_pcie->gpio_active_high ? - GPIOF_OUT_INIT_HIGH : - GPIOF_OUT_INIT_LOW, - "PCIe reset"); - if (ret) { - dev_err(dev, "unable to get reset gpio\n"); - return ret; - } - } else if (imx6_pcie->reset_gpio == -EPROBE_DEFER) { - return imx6_pcie->reset_gpio; - } + imx6_pcie->reset_gpio = devm_gpiod_get_optional(dev, "reset", + imx6_pcie->gpio_active_high ? GPIOD_OUT_HIGH : + GPIOD_OUT_LOW); + if (IS_ERR(imx6_pcie->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(imx6_pcie->reset_gpio), + "unable to get reset gpio\n"); /* Fetch clocks */ imx6_pcie->pcie_phy = devm_clk_get(dev, "pcie_phy"); -- 2.31.1