From patchwork Fri Nov 22 12:14:31 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mika Westerberg X-Patchwork-Id: 3222341 Return-Path: X-Original-To: patchwork-linux-acpi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 3E3679F3A0 for ; Fri, 22 Nov 2013 12:17:04 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 796352078F for ; Fri, 22 Nov 2013 12:16:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1BD7F205F0 for ; Fri, 22 Nov 2013 12:16:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755744Ab3KVMQn (ORCPT ); Fri, 22 Nov 2013 07:16:43 -0500 Received: from mga09.intel.com ([134.134.136.24]:59658 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755522Ab3KVMOk (ORCPT ); Fri, 22 Nov 2013 07:14:40 -0500 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP; 22 Nov 2013 04:11:03 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.93,751,1378882800"; d="scan'208";a="413007355" Received: from blue.fi.intel.com ([10.237.72.156]) by orsmga001.jf.intel.com with ESMTP; 22 Nov 2013 04:14:35 -0800 Received: by blue.fi.intel.com (Postfix, from userid 1004) id 42EC2E0095; Fri, 22 Nov 2013 14:14:34 +0200 (EET) From: Mika Westerberg To: linux-acpi@vger.kernel.org Cc: "Rafael J. Wysocki" , Linus Walleij , Chris Ball , Johannes Berg , Rhyland Klein , Adrian Hunter , Alexandre Courbot , Mathias Nyman , Rob Landley , Heikki Krogerus , Stephen Warren , Thierry Reding , Mika Westerberg , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 4/7] mmc: sdhci-acpi: covert to use GPIO descriptor API Date: Fri, 22 Nov 2013 14:14:31 +0200 Message-Id: <1385122474-14926-5-git-send-email-mika.westerberg@linux.intel.com> X-Mailer: git-send-email 1.8.4.3 In-Reply-To: <1385122474-14926-1-git-send-email-mika.westerberg@linux.intel.com> References: <1385122474-14926-1-git-send-email-mika.westerberg@linux.intel.com> Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Spam-Status: No, score=-7.4 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 The new descriptor based GPIO interface is now the recommended and safer way of using GPIOs from device drivers. Convert the ACPI SDHCI driver to use that interface. Signed-off-by: Mika Westerberg Acked-by: Adrian Hunter Acked-by: Alexandre Courbot --- drivers/mmc/host/sdhci-acpi.c | 26 ++++++++++++-------------- 1 file changed, 12 insertions(+), 14 deletions(-) diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index ef19874fcd1f..5c86550f83ad 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -31,10 +31,9 @@ #include #include #include -#include +#include #include #include -#include #include #include #include @@ -199,22 +198,23 @@ static irqreturn_t sdhci_acpi_sd_cd(int irq, void *dev_id) return IRQ_HANDLED; } -static int sdhci_acpi_add_own_cd(struct device *dev, int gpio, - struct mmc_host *mmc) +static int sdhci_acpi_add_own_cd(struct device *dev, struct mmc_host *mmc) { + struct gpio_desc *desc; unsigned long flags; int err, irq; - if (gpio < 0) { - err = gpio; + desc = devm_gpiod_get_index(dev, "sd_cd", 0); + if (IS_ERR(desc)) { + err = PTR_ERR(desc); goto out; } - err = devm_gpio_request_one(dev, gpio, GPIOF_DIR_IN, "sd_cd"); + err = gpiod_direction_input(desc); if (err) - goto out; + goto out_free; - irq = gpio_to_irq(gpio); + irq = gpiod_to_irq(desc); if (irq < 0) { err = irq; goto out_free; @@ -228,7 +228,7 @@ static int sdhci_acpi_add_own_cd(struct device *dev, int gpio, return 0; out_free: - devm_gpio_free(dev, gpio); + devm_gpiod_put(dev, desc); out: dev_warn(dev, "failed to setup card detect wake up\n"); return err; @@ -254,7 +254,7 @@ static int sdhci_acpi_probe(struct platform_device *pdev) struct resource *iomem; resource_size_t len; const char *hid; - int err, gpio; + int err; if (acpi_bus_get_device(handle, &device)) return -ENODEV; @@ -279,8 +279,6 @@ static int sdhci_acpi_probe(struct platform_device *pdev) if (IS_ERR(host)) return PTR_ERR(host); - gpio = acpi_get_gpio_by_index(dev, 0, NULL); - c = sdhci_priv(host); c->host = host; c->slot = sdhci_acpi_get_slot(handle, hid); @@ -338,7 +336,7 @@ static int sdhci_acpi_probe(struct platform_device *pdev) goto err_free; if (sdhci_acpi_flag(c, SDHCI_ACPI_SD_CD)) { - if (sdhci_acpi_add_own_cd(dev, gpio, host->mmc)) + if (sdhci_acpi_add_own_cd(dev, host->mmc)) c->use_runtime_pm = false; }