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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 850CCC433DB for ; Tue, 16 Feb 2021 11:37:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3BDB464DEC for ; Tue, 16 Feb 2021 11:37:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230331AbhBPLhU (ORCPT ); Tue, 16 Feb 2021 06:37:20 -0500 Received: from mga12.intel.com ([192.55.52.136]:20158 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230247AbhBPLfB (ORCPT ); Tue, 16 Feb 2021 06:35:01 -0500 IronPort-SDR: FsgT1/laYsCT7dKnnEk7DDkC9ugP0QKctoCfKqu5h4J8F6Gey6XnaqX1rq/WCWQqFaasm6wa1o Rcs/QmCJJ5dg== X-IronPort-AV: E=McAfee;i="6000,8403,9896"; a="161998062" X-IronPort-AV: E=Sophos;i="5.81,183,1610438400"; d="scan'208";a="161998062" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Feb 2021 03:32:55 -0800 IronPort-SDR: 5k19Yr/7vlAXkntq8Lmb3za2haWaSEd0pCzg8xpwFmiBXkP2PO2XKxxadV1ldL6XDJFhM/xbv7 2vhwIQUU6FAw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,183,1610438400"; d="scan'208";a="438886400" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga001.jf.intel.com with ESMTP; 16 Feb 2021 03:32:53 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id A9892525; Tue, 16 Feb 2021 13:32:50 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , linux-kernel@vger.kernel.org Cc: Rodolfo Giometti , Ryan Govostes Subject: [PATCH v1 7/7] pps: clients: gpio: Rearrange optional stuff in pps_gpio_setup() Date: Tue, 16 Feb 2021 13:31:54 +0200 Message-Id: <20210216113154.70852-7-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210216113154.70852-1-andriy.shevchenko@linux.intel.com> References: <20210216113154.70852-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rearrange optional stuff in pps_gpio_setup() so it will go after mandatory one and with reduced indentation. This will increase readability of the sources. Signed-off-by: Andy Shevchenko --- drivers/pps/clients/pps-gpio.c | 33 ++++++++++++++++++--------------- 1 file changed, 18 insertions(+), 15 deletions(-) diff --git a/drivers/pps/clients/pps-gpio.c b/drivers/pps/clients/pps-gpio.c index b097da5a659a..35799e6401c9 100644 --- a/drivers/pps/clients/pps-gpio.c +++ b/drivers/pps/clients/pps-gpio.c @@ -110,28 +110,31 @@ static int pps_gpio_setup(struct device *dev) return dev_err_probe(dev, PTR_ERR(data->gpio_pin), "failed to request PPS GPIO\n"); + data->assert_falling_edge = + device_property_read_bool(dev, "assert-falling-edge"); + data->echo_pin = devm_gpiod_get_optional(dev, "echo", GPIOD_OUT_LOW); if (IS_ERR(data->echo_pin)) return dev_err_probe(dev, PTR_ERR(data->echo_pin), "failed to request ECHO GPIO\n"); - if (data->echo_pin) { - ret = device_property_read_u32(dev, "echo-active-ms", &value); - if (ret) { - dev_err(dev, "failed to get echo-active-ms from FW\n"); - return ret; - } - data->echo_active_ms = value; - /* sanity check on echo_active_ms */ - if (!data->echo_active_ms || data->echo_active_ms > 999) { - dev_err(dev, "echo-active-ms: %u - bad value from FW\n", - data->echo_active_ms); - return -EINVAL; - } + if (!data->echo_pin) + return 0; + + ret = device_property_read_u32(dev, "echo-active-ms", &value); + if (ret) { + dev_err(dev, "failed to get echo-active-ms from FW\n"); + return ret; } - data->assert_falling_edge = - device_property_read_bool(dev, "assert-falling-edge"); + /* sanity check on echo_active_ms */ + if (!value || value > 999) { + dev_err(dev, "echo-active-ms: %u - bad value from FW\n", value); + return -EINVAL; + } + + data->echo_active_ms = value; + return 0; } -- 2.30.0