From patchwork Mon Jun 19 10:08:57 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 9795685 X-Patchwork-Delegate: sameo@linux.intel.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 AC825603F5 for ; Mon, 19 Jun 2017 10:09:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8E57A27FA5 for ; Mon, 19 Jun 2017 10:09:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 831F5283B0; Mon, 19 Jun 2017 10:09:25 +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 B0C4527FA5 for ; Mon, 19 Jun 2017 10:09:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753973AbdFSKJP (ORCPT ); Mon, 19 Jun 2017 06:09:15 -0400 Received: from mga04.intel.com ([192.55.52.120]:35244 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753962AbdFSKJL (ORCPT ); Mon, 19 Jun 2017 06:09:11 -0400 Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Jun 2017 03:09:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.39,360,1493708400"; d="scan'208";a="869455445" Received: from black.fi.intel.com ([10.237.72.28]) by FMSMGA003.fm.intel.com with ESMTP; 19 Jun 2017 03:09:03 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 5193999B; Mon, 19 Jun 2017 13:08:59 +0300 (EEST) From: Andy Shevchenko To: Samuel Ortiz , linux-wireless@vger.kernel.org, linux-nfc@lists.01.org Cc: Andy Shevchenko Subject: [PATCH v3 12/13] NFC: st-nci: Get rid of code duplication in ->probe() Date: Mon, 19 Jun 2017 13:08:57 +0300 Message-Id: <20170619100858.2655-13-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170619100858.2655-1-andriy.shevchenko@linux.intel.com> References: <20170619100858.2655-1-andriy.shevchenko@linux.intel.com> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Since OF and ACPI case almost the same get rid of code duplication by moving gpiod_get() calls directly to ->probe(). Signed-off-by: Andy Shevchenko --- drivers/nfc/st-nci/i2c.c | 61 +++++++----------------------------------------- drivers/nfc/st-nci/spi.c | 60 +++++++---------------------------------------- 2 files changed, 18 insertions(+), 103 deletions(-) diff --git a/drivers/nfc/st-nci/i2c.c b/drivers/nfc/st-nci/i2c.c index edda253b07fe..515f08d037fb 100644 --- a/drivers/nfc/st-nci/i2c.c +++ b/drivers/nfc/st-nci/i2c.c @@ -210,41 +210,6 @@ static const struct acpi_gpio_mapping acpi_st_nci_gpios[] = { {}, }; -static int st_nci_i2c_acpi_request_resources(struct i2c_client *client) -{ - struct st_nci_i2c_phy *phy = i2c_get_clientdata(client); - struct device *dev = &client->dev; - int r; - - r = devm_acpi_dev_add_driver_gpios(dev, acpi_st_nci_gpios); - if (r) - return r; - - /* Get RESET GPIO from ACPI */ - phy->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); - if (IS_ERR(phy->gpiod_reset)) { - nfc_err(dev, "Unable to get RESET GPIO\n"); - return -ENODEV; - } - - return 0; -} - -static int st_nci_i2c_of_request_resources(struct i2c_client *client) -{ - struct st_nci_i2c_phy *phy = i2c_get_clientdata(client); - struct device *dev = &client->dev; - - /* Get GPIO from device tree */ - phy->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); - if (IS_ERR(phy->gpiod_reset)) { - nfc_err(dev, "Unable to get RESET GPIO\n"); - return PTR_ERR(phy->gpiod_reset); - } - - return 0; -} - static int st_nci_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -260,8 +225,7 @@ static int st_nci_i2c_probe(struct i2c_client *client, return -ENODEV; } - phy = devm_kzalloc(&client->dev, sizeof(struct st_nci_i2c_phy), - GFP_KERNEL); + phy = devm_kzalloc(dev, sizeof(struct st_nci_i2c_phy), GFP_KERNEL); if (!phy) return -ENOMEM; @@ -269,21 +233,14 @@ static int st_nci_i2c_probe(struct i2c_client *client, i2c_set_clientdata(client, phy); - if (client->dev.of_node) { - r = st_nci_i2c_of_request_resources(client); - if (r) { - nfc_err(&client->dev, "No platform data\n"); - return r; - } - } else if (ACPI_HANDLE(&client->dev)) { - r = st_nci_i2c_acpi_request_resources(client); - if (r) { - nfc_err(&client->dev, "Cannot get ACPI data\n"); - return r; - } - } else { - nfc_err(&client->dev, - "st_nci platform resources not available\n"); + r = devm_acpi_dev_add_driver_gpios(dev, acpi_st_nci_gpios); + if (r) + dev_dbg(dev, "Unable to add GPIO mapping table\n"); + + /* Get RESET GPIO */ + phy->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(phy->gpiod_reset)) { + nfc_err(dev, "Unable to get RESET GPIO\n"); return -ENODEV; } diff --git a/drivers/nfc/st-nci/spi.c b/drivers/nfc/st-nci/spi.c index 99ecf92edc8c..14705591b0fb 100644 --- a/drivers/nfc/st-nci/spi.c +++ b/drivers/nfc/st-nci/spi.c @@ -225,41 +225,6 @@ static const struct acpi_gpio_mapping acpi_st_nci_gpios[] = { {}, }; -static int st_nci_spi_acpi_request_resources(struct spi_device *spi_dev) -{ - struct st_nci_spi_phy *phy = spi_get_drvdata(spi_dev); - struct device *dev = &spi_dev->dev; - int r; - - r = devm_acpi_dev_add_driver_gpios(dev, acpi_st_nci_gpios); - if (r) - return r; - - /* Get RESET GPIO from ACPI */ - phy->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); - if (IS_ERR(phy->gpiod_reset)) { - nfc_err(dev, "Unable to get RESET GPIO\n"); - return PTR_ERR(phy->gpiod_reset); - } - - return 0; -} - -static int st_nci_spi_of_request_resources(struct spi_device *spi) -{ - struct st_nci_spi_phy *phy = spi_get_drvdata(spi); - struct device *dev = &spi->dev; - - /* Get GPIO from device tree */ - phy->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); - if (IS_ERR(phy->gpiod_reset)) { - nfc_err(dev, "Unable to get RESET GPIO\n"); - return PTR_ERR(phy->gpiod_reset); - } - - return 0; -} - static int st_nci_spi_probe(struct spi_device *dev) { struct st_nci_spi_phy *phy; @@ -284,22 +249,15 @@ static int st_nci_spi_probe(struct spi_device *dev) spi_set_drvdata(dev, phy); - if (dev->dev.of_node) { - r = st_nci_spi_of_request_resources(dev); - if (r) { - nfc_err(&dev->dev, "No platform data\n"); - return r; - } - } else if (ACPI_HANDLE(&dev->dev)) { - r = st_nci_spi_acpi_request_resources(dev); - if (r) { - nfc_err(&dev->dev, "Cannot get ACPI data\n"); - return r; - } - } else { - nfc_err(&dev->dev, - "st_nci platform resources not available\n"); - return -ENODEV; + r = devm_acpi_dev_add_driver_gpios(&dev->dev, acpi_st_nci_gpios); + if (r) + dev_dbg(&dev->dev, "Unable to add GPIO mapping table\n"); + + /* Get RESET GPIO */ + phy->gpiod_reset = devm_gpiod_get(&dev->dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(phy->gpiod_reset)) { + nfc_err(&dev->dev, "Unable to get RESET GPIO\n"); + return PTR_ERR(phy->gpiod_reset); } phy->se_status.is_ese_present =