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 B7F87C433E0 for ; Tue, 16 Feb 2021 11:39:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6A3E164E08 for ; Tue, 16 Feb 2021 11:39:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230377AbhBPLiz (ORCPT ); Tue, 16 Feb 2021 06:38:55 -0500 Received: from mga02.intel.com ([134.134.136.20]:9704 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230260AbhBPLhK (ORCPT ); Tue, 16 Feb 2021 06:37:10 -0500 IronPort-SDR: hHmJ6RjeisE0RuJGJBMCQA1kzYdJt0kCNNv6Fx2FRPa5D1FJvIg+bSgvNs6wDMo/lBuowrJULB p8ZRZicC3+vA== X-IronPort-AV: E=McAfee;i="6000,8403,9896"; a="169994422" X-IronPort-AV: E=Sophos;i="5.81,183,1610438400"; d="scan'208";a="169994422" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Feb 2021 03:32:53 -0800 IronPort-SDR: HFFJug/zogBZE9V6b9pfwVlZnqIZTKAZFij5Xiq6P/w1UsWT4l0QVusXE1bUammv8WWv+wIDEw BvYBbNAnb/Yg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,183,1610438400"; d="scan'208";a="493161365" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 16 Feb 2021 03:32:52 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 5E9F41F1; 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 1/7] pps: clients: gpio: Bail out on error when requesting GPIO echo line Date: Tue, 16 Feb 2021 13:31:48 +0200 Message-Id: <20210216113154.70852-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When requesting optional GPIO echo line, bail out on error, so user will know that something wrong with the existing property. Signed-off-by: Andy Shevchenko --- drivers/pps/clients/pps-gpio.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/pps/clients/pps-gpio.c b/drivers/pps/clients/pps-gpio.c index e0de1df2ede0..f89c31aa66f1 100644 --- a/drivers/pps/clients/pps-gpio.c +++ b/drivers/pps/clients/pps-gpio.c @@ -119,12 +119,12 @@ static int pps_gpio_setup(struct platform_device *pdev) data->echo_pin = devm_gpiod_get_optional(&pdev->dev, "echo", GPIOD_OUT_LOW); - if (data->echo_pin) { - if (IS_ERR(data->echo_pin)) { - dev_err(&pdev->dev, "failed to request ECHO GPIO\n"); - return PTR_ERR(data->echo_pin); - } + if (IS_ERR(data->echo_pin)) { + dev_err(&pdev->dev, "failed to request ECHO GPIO\n"); + return PTR_ERR(data->echo_pin); + } + if (data->echo_pin) { ret = of_property_read_u32(np, "echo-active-ms", &value); -- 2.30.0