From patchwork Thu May 13 12:07:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandru Ardelean X-Patchwork-Id: 12255727 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 BABADC433ED for ; Thu, 13 May 2021 12:09:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 89A3461186 for ; Thu, 13 May 2021 12:09:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233693AbhEMMKI (ORCPT ); Thu, 13 May 2021 08:10:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233716AbhEMMJW (ORCPT ); Thu, 13 May 2021 08:09:22 -0400 Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E506BC061761 for ; Thu, 13 May 2021 05:08:11 -0700 (PDT) Received: by mail-ed1-x52b.google.com with SMTP id di13so30710769edb.2 for ; Thu, 13 May 2021 05:08:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=deviqon.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=b3CIlvHXWAL8LnevCxF+tYL0znrNNdyr/u/1pI8y5A4=; b=REgarnqFmNOJkjjpAZ51MHtU49AG1Me/3Ao2f3aBlYXjhPqINOios+jWutMI2TcWD9 PmY/9n8CZkcSVfB5kVjzJFcG2yfdIhzN39Icv6yx0N8JvVNIsXF3PZskg8d+udQtQld9 THCc7wiN4Vh8cTT7y6oGusXmXqTNa0AXjopkodBQ2IffTgIQnm3Pmo6zBPXuK+P/Tmub 50V6MZcT/dWJjcSF0N85SNPhHKUHiBxeQU6/FctlLEHAlFLKaQS33p7KmMgXtU40JpRE mFgiYXnNDnwBsoVco0D4VlvjwFbzF/AsjoAEdLWOaOWCrgjOU0nN0/f0zQLelkBIMaeU kTYw== 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=b3CIlvHXWAL8LnevCxF+tYL0znrNNdyr/u/1pI8y5A4=; b=GOzESJBFR565mAzfW9s/ioNQ85GdyFU+My8Kfp3axxtaEF0tDcHEG65UAoX6E3auMv Vu1kzLyaZjahN0rZe5RK98BXO3PGo5wfqsrocY/tRjWmVM6LhwVqd1oCoOBEqgCsQaJz WXio54QDh7a7D9M0ttq9lO21y6vlnUdWisE+T1APp0LUFi6xuHTRBrPpPSjddquilUP7 RcoaKi8nbDglllUva/Xh1WWuAySH+ONNkp8fYAN8UPwpdgdRXAxNchVrit40ZjezAS+H fwNqqRUklYbjh/EvDkE1cqDfUicmONIefSNnOFFVpPAxqsI6Q1tqCM5GBEWiiUTzd3BN pEyA== X-Gm-Message-State: AOAM532Re7WGsSZ1Mfmx1pKOJvO1eLodt36+rLjEGAEa60doCZCzFd1U LWySssye9dum5wE+cGgORcB10PQQ8up3Jg== X-Google-Smtp-Source: ABdhPJw85cD2bGxAr0P6FGs4liRKBxzCMfYc5MP/0qAwyYu8oo4a9BppF0FMutXSwXk3E8Rmvid5bg== X-Received: by 2002:a50:f385:: with SMTP id g5mr12500007edm.222.1620907690414; Thu, 13 May 2021 05:08:10 -0700 (PDT) Received: from neptune.. ([5.2.193.191]) by smtp.gmail.com with ESMTPSA id ga28sm1717809ejc.20.2021.05.13.05.08.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 May 2021 05:08:10 -0700 (PDT) From: Alexandru Ardelean To: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Cc: jic23@kernel.org, Jonathan.Cameron@huawei.com, alexandru.tachici@analog.com, linux@deviqon.com, Alexandru Ardelean , Alexandru Ardelean Subject: [PATCH v4 11/12] iio: adc: ad7124: Use devm_ managed calls for all of probe() + drop remove() Date: Thu, 13 May 2021 15:07:51 +0300 Message-Id: <20210513120752.90074-12-aardelean@deviqon.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210513120752.90074-1-aardelean@deviqon.com> References: <20210513120752.90074-1-aardelean@deviqon.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Jonathan Cameron As not many steps were not already devm_ managed, use devm_add_action_or_reset() to handle the rest. This also uses the new devm_ad_sd_setup_buffer_and_trigger() function. Reviewed-by: Alexandru Ardelean Signed-off-by: Jonathan Cameron Signed-off-by: Alexandru Ardelean --- drivers/iio/adc/ad7124.c | 48 +++++++++++++--------------------------- 1 file changed, 15 insertions(+), 33 deletions(-) diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c index a27db78ea13e..e45c600fccc0 100644 --- a/drivers/iio/adc/ad7124.c +++ b/drivers/iio/adc/ad7124.c @@ -862,6 +862,11 @@ static void ad7124_reg_disable(void *r) regulator_disable(r); } +static void ad7124_clk_disable(void *c) +{ + clk_disable_unprepare(c); +} + static int ad7124_probe(struct spi_device *spi) { const struct ad7124_chip_info *info; @@ -883,8 +888,6 @@ static int ad7124_probe(struct spi_device *spi) ad_sd_init(&st->sd, indio_dev, spi, &ad7124_sigma_delta_info); - spi_set_drvdata(spi, indio_dev); - indio_dev->name = st->chip_info->name; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->info = &ad7124_info; @@ -922,48 +925,28 @@ static int ad7124_probe(struct spi_device *spi) if (ret < 0) return ret; + ret = devm_add_action_or_reset(&spi->dev, ad7124_clk_disable, st->mclk); + if (ret) + return ret; + ret = ad7124_soft_reset(st); if (ret < 0) - goto error_clk_disable_unprepare; + return ret; ret = ad7124_check_chip_id(st); if (ret) - goto error_clk_disable_unprepare; + return ret; ret = ad7124_setup(st); if (ret < 0) - goto error_clk_disable_unprepare; + return ret; - ret = ad_sd_setup_buffer_and_trigger(indio_dev); + ret = devm_ad_sd_setup_buffer_and_trigger(&spi->dev, indio_dev); if (ret < 0) - goto error_clk_disable_unprepare; - - ret = iio_device_register(indio_dev); - if (ret < 0) { - dev_err(&spi->dev, "Failed to register iio device\n"); - goto error_remove_trigger; - } - - return 0; - -error_remove_trigger: - ad_sd_cleanup_buffer_and_trigger(indio_dev); -error_clk_disable_unprepare: - clk_disable_unprepare(st->mclk); - - return ret; -} - -static int ad7124_remove(struct spi_device *spi) -{ - struct iio_dev *indio_dev = spi_get_drvdata(spi); - struct ad7124_state *st = iio_priv(indio_dev); + return ret; - iio_device_unregister(indio_dev); - ad_sd_cleanup_buffer_and_trigger(indio_dev); - clk_disable_unprepare(st->mclk); + return devm_iio_device_register(&spi->dev, indio_dev); - return 0; } static const struct of_device_id ad7124_of_match[] = { @@ -981,7 +964,6 @@ static struct spi_driver ad71124_driver = { .of_match_table = ad7124_of_match, }, .probe = ad7124_probe, - .remove = ad7124_remove, }; module_spi_driver(ad71124_driver);