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=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,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 E4A30C4360F for ; Wed, 3 Apr 2019 07:04:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AF02F21473 for ; Wed, 3 Apr 2019 07:04:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="i7+lgXcn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728854AbfDCHEC (ORCPT ); Wed, 3 Apr 2019 03:04:02 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:32782 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728786AbfDCHDw (ORCPT ); Wed, 3 Apr 2019 03:03:52 -0400 Received: by mail-pg1-f196.google.com with SMTP id k19so1161987pgh.0; Wed, 03 Apr 2019 00:03:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=VaF+9tRF16mxcQZUyyOPTNZbOsP9r8zQA2RySW0saCU=; b=i7+lgXcnlYQOA2Z9S0ib6RhbwzHnb9R+Lqa7Kh8hKzwVYk6VIkapGtDJA1u5kPIsrv 8+L0heSuTk5K+7CC9oS46SM4GKpXgKJ/3LoGReTpxpHeIiguWTIlPe5zMB0f/oTUfClo 3zcOZRFw5D/9JzVXM1Qq6Mu0fLlPXECncS3Gh90NCpa01fLK/K9CulkRm5JSikhNNBDE mtsxyLU97f9IPYl0mKVXaF757qpHauo4qOBlusyrfbv5ohR7xu6ibMQx9qm+nC59oRC3 bgH8bsHhP9M/7TE6AOklTBFz6V67MMihOgncMW65uwwy+OkA9bYWZqbhYm06kySUMVe5 WVCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=VaF+9tRF16mxcQZUyyOPTNZbOsP9r8zQA2RySW0saCU=; b=JEILcf69wemAhp4bT9jAGG+lhWLy/l6N3+1hM4IEuHSlEI0FVnzPIG8GCKEh0IjF4C 9dukhYfaQ3YzIhyz2O+gpmhz5C1LklUjHhZWutH0SsR0qfOp7oH+MG/1SE/8RV/NzIL/ MMQpQEo5QEmpXxkFV/HdfVLolkKRih+ub2NqLa5Y581+Y7OSl8DeJjc7zoT1kJnTqjIP 140ZPQRmvQjdtJQtsVt/u6PVteGPYZq4WWtTaDaWnhZ9GDKBJueKhvusMaZdRp3jngjq LZjBc7odrasqzewiWhlg9+HQUQ99MrfLrnVwujNQeTnBpXWPCNwrttQMf5TBXQqYmXSf oqrg== X-Gm-Message-State: APjAAAXBKonD2pOwJbu4iidJlJ/wpHrwti84H5aDUhLouQPoeUWtFZM+ hFXaFom9EoYUuznlGj3XJw1D2wVS X-Google-Smtp-Source: APXvYqycINRhUa22A4txqlZLUAIzzvxyDmb1V+OfPMU0ACCXJPcfOKbl9g11tOlq88snOMneBSvTjg== X-Received: by 2002:aa7:9151:: with SMTP id 17mr37393380pfi.192.1554275031187; Wed, 03 Apr 2019 00:03:51 -0700 (PDT) Received: from squirtle.lan (c-24-22-235-96.hsd1.wa.comcast.net. [24.22.235.96]) by smtp.gmail.com with ESMTPSA id e22sm20602750pfi.126.2019.04.03.00.03.49 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 03 Apr 2019 00:03:50 -0700 (PDT) From: Andrey Smirnov To: linux-iio@vger.kernel.org Cc: Andrey Smirnov , Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Chris Healy , linux-kernel@vger.kernel.org Subject: [PATCH 5/6] iio: imx7d_adc: Use imx7d_adc_resume() in imx7d_adc_probe() Date: Wed, 3 Apr 2019 00:03:24 -0700 Message-Id: <20190403070325.1077-6-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190403070325.1077-1-andrew.smirnov@gmail.com> References: <20190403070325.1077-1-andrew.smirnov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Initialization sequence performed in imx7d_adc_resume() is exactley the same as what's being done in imx7d_adc_probe(). Make use of the former in the latter to avoid code duplication. Signed-off-by: Andrey Smirnov Cc: Jonathan Cameron Cc: Hartmut Knaack Cc: Lars-Peter Clausen Cc: Peter Meerwald-Stadler Cc: Chris Healy Cc: linux-iio@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/iio/adc/imx7d_adc.c | 86 +++++++++++++++---------------------- 1 file changed, 35 insertions(+), 51 deletions(-) diff --git a/drivers/iio/adc/imx7d_adc.c b/drivers/iio/adc/imx7d_adc.c index 8bba92611d54..c2fa0ab923ee 100644 --- a/drivers/iio/adc/imx7d_adc.c +++ b/drivers/iio/adc/imx7d_adc.c @@ -434,6 +434,33 @@ static void imx7d_adc_power_down(struct imx7d_adc *info) writel(adc_cfg, info->regs + IMX7D_REG_ADC_ADC_CFG); } +static int imx7d_adc_resume(struct device *dev) +{ + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct imx7d_adc *info = iio_priv(indio_dev); + int ret; + + ret = regulator_enable(info->vref); + if (ret) { + dev_err(info->dev, + "Can't enable adc reference top voltage, err = %d\n", + ret); + return ret; + } + + ret = clk_prepare_enable(info->clk); + if (ret) { + dev_err(info->dev, + "Could not prepare or enable clock.\n"); + regulator_disable(info->vref); + return ret; + } + + imx7d_adc_hw_init(info); + + return 0; +} + static int imx7d_adc_probe(struct platform_device *pdev) { struct imx7d_adc *info; @@ -479,14 +506,6 @@ static int imx7d_adc_probe(struct platform_device *pdev) return ret; } - ret = regulator_enable(info->vref); - if (ret) { - dev_err(dev, - "Can't enable adc reference top voltage, err = %d\n", - ret); - return ret; - } - platform_set_drvdata(pdev, indio_dev); init_completion(&info->completion); @@ -498,38 +517,30 @@ static int imx7d_adc_probe(struct platform_device *pdev) indio_dev->channels = imx7d_adc_iio_channels; indio_dev->num_channels = ARRAY_SIZE(imx7d_adc_iio_channels); - ret = clk_prepare_enable(info->clk); - if (ret) { - dev_err(dev, "Could not prepare or enable the clock.\n"); - goto error_adc_clk_enable; - } - ret = devm_request_irq(dev, irq, imx7d_adc_isr, 0, dev_name(dev), info); if (ret < 0) { dev_err(dev, "Failed requesting irq, irq = %d\n", irq); - goto error_iio_device_register; + return ret; } imx7d_adc_feature_config(info); - imx7d_adc_hw_init(info); + + ret = imx7d_adc_resume(&indio_dev->dev); + if (ret) + return ret; ret = devm_iio_device_register(dev, indio_dev); if (ret) { imx7d_adc_power_down(info); + clk_disable_unprepare(info->clk); + regulator_disable(info->vref); dev_err(&pdev->dev, "Couldn't register the device.\n"); - goto error_iio_device_register; + return ret; } return 0; - -error_iio_device_register: - clk_disable_unprepare(info->clk); -error_adc_clk_enable: - regulator_disable(info->vref); - - return ret; } static int imx7d_adc_remove(struct platform_device *pdev) @@ -558,33 +569,6 @@ static int __maybe_unused imx7d_adc_suspend(struct device *dev) return 0; } -static int __maybe_unused imx7d_adc_resume(struct device *dev) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct imx7d_adc *info = iio_priv(indio_dev); - int ret; - - ret = regulator_enable(info->vref); - if (ret) { - dev_err(info->dev, - "Can't enable adc reference top voltage, err = %d\n", - ret); - return ret; - } - - ret = clk_prepare_enable(info->clk); - if (ret) { - dev_err(info->dev, - "Could not prepare or enable clock.\n"); - regulator_disable(info->vref); - return ret; - } - - imx7d_adc_hw_init(info); - - return 0; -} - static SIMPLE_DEV_PM_OPS(imx7d_adc_pm_ops, imx7d_adc_suspend, imx7d_adc_resume); static struct platform_driver imx7d_adc_driver = { -- 2.20.1