From patchwork Tue Sep 15 12:02:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nuno Sa X-Patchwork-Id: 11776281 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D89C8618 for ; Tue, 15 Sep 2020 12:04:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CA3AF21D7B for ; Tue, 15 Sep 2020 12:04:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726486AbgIOMDX (ORCPT ); Tue, 15 Sep 2020 08:03:23 -0400 Received: from mx0a-00128a01.pphosted.com ([148.163.135.77]:17230 "EHLO mx0a-00128a01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726471AbgIOMCE (ORCPT ); Tue, 15 Sep 2020 08:02:04 -0400 Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 08FBtj9D015986; Tue, 15 Sep 2020 08:01:46 -0400 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com with ESMTP id 33h7pr8s4y-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 15 Sep 2020 08:01:46 -0400 Received: from SCSQMBX10.ad.analog.com (scsqmbx10.ad.analog.com [10.77.17.5]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 08FC1jhJ051622 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Tue, 15 Sep 2020 08:01:45 -0400 Received: from SCSQMBX10.ad.analog.com (10.77.17.5) by SCSQMBX10.ad.analog.com (10.77.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1779.2; Tue, 15 Sep 2020 05:01:53 -0700 Received: from zeus.spd.analog.com (10.66.68.11) by SCSQMBX10.ad.analog.com (10.77.17.5) with Microsoft SMTP Server id 15.1.1779.2 via Frontend Transport; Tue, 15 Sep 2020 05:01:53 -0700 Received: from nsa.sphairon.box ([10.44.3.98]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 08FC1KA2004525; Tue, 15 Sep 2020 08:01:39 -0400 From: =?utf-8?q?Nuno_S=C3=A1?= To: , CC: Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , Hartmut Knaack , Peter Meerwald-Stadler , Dragos Bogdan , Greg Kroah-Hartman , Alexandru Ardelean Subject: [PATCH v2 09/10] staging: iio: adis16240: Use Managed device functions Date: Tue, 15 Sep 2020 14:02:57 +0200 Message-ID: <20200915120258.161587-10-nuno.sa@analog.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200915120258.161587-1-nuno.sa@analog.com> References: <20200915120258.161587-1-nuno.sa@analog.com> MIME-Version: 1.0 X-ADIRoutedOnPrem: True X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-09-15_08:2020-09-15,2020-09-15 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 priorityscore=1501 mlxscore=0 adultscore=0 suspectscore=0 lowpriorityscore=0 spamscore=0 malwarescore=0 impostorscore=0 phishscore=0 mlxlogscore=999 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009150103 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Use the adis managed device functions to setup the buffer and the trigger. The ultimate goal will be to completely drop the non devm version from the lib. Since we are here, drop the `.remove` callback by further using devm functions. Signed-off-by: Nuno Sá --- Changes in v2: * Further use devm functions to keep cleanup order and to drop `.remove`. drivers/staging/iio/accel/adis16240.c | 25 +++---------------------- 1 file changed, 3 insertions(+), 22 deletions(-) diff --git a/drivers/staging/iio/accel/adis16240.c b/drivers/staging/iio/accel/adis16240.c index 38ec40b458c9..5064adce5f58 100644 --- a/drivers/staging/iio/accel/adis16240.c +++ b/drivers/staging/iio/accel/adis16240.c @@ -415,35 +415,17 @@ static int adis16240_probe(struct spi_device *spi) ret = adis_init(st, indio_dev, spi, &adis16240_data); if (ret) return ret; - ret = adis_setup_buffer_and_trigger(st, indio_dev, NULL); + ret = devm_adis_setup_buffer_and_trigger(st, indio_dev, NULL); if (ret) return ret; /* Get the device into a sane initial state */ ret = adis_initial_startup(st); if (ret) - goto error_cleanup_buffer_trigger; - ret = iio_device_register(indio_dev); - if (ret) - goto error_cleanup_buffer_trigger; - return 0; - -error_cleanup_buffer_trigger: - adis_cleanup_buffer_and_trigger(st, indio_dev); - return ret; -} - -static int adis16240_remove(struct spi_device *spi) -{ - struct iio_dev *indio_dev = spi_get_drvdata(spi); - struct adis *st = iio_priv(indio_dev); - - iio_device_unregister(indio_dev); - adis_cleanup_buffer_and_trigger(st, indio_dev); + return ret; - return 0; + return devm_iio_device_register(&spi->dev, indio_dev); } - static const struct of_device_id adis16240_of_match[] = { { .compatible = "adi,adis16240" }, { }, @@ -456,7 +438,6 @@ static struct spi_driver adis16240_driver = { .of_match_table = adis16240_of_match, }, .probe = adis16240_probe, - .remove = adis16240_remove, }; module_spi_driver(adis16240_driver);