From patchwork Thu Jan 21 11:49:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nuno Sa X-Patchwork-Id: 12035737 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 4AB34C433DB for ; Thu, 21 Jan 2021 11:55:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DE5E2238E3 for ; Thu, 21 Jan 2021 11:55:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730427AbhAULyf (ORCPT ); Thu, 21 Jan 2021 06:54:35 -0500 Received: from mx0a-00128a01.pphosted.com ([148.163.135.77]:6646 "EHLO mx0a-00128a01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729774AbhAULsv (ORCPT ); Thu, 21 Jan 2021 06:48:51 -0500 Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 10LBdjI2003557; Thu, 21 Jan 2021 06:47:55 -0500 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com with ESMTP id 3668rce6sm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 21 Jan 2021 06:47:55 -0500 Received: from SCSQMBX10.ad.analog.com (SCSQMBX10.ad.analog.com [10.77.17.5]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 10LBlrAd033327 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 21 Jan 2021 06:47:53 -0500 Received: from SCSQMBX11.ad.analog.com (10.77.17.10) 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 15.2.721.2; Thu, 21 Jan 2021 03:47:52 -0800 Received: from zeus.spd.analog.com (10.66.68.11) by SCSQMBX11.ad.analog.com (10.77.17.10) with Microsoft SMTP Server id 15.1.1779.2 via Frontend Transport; Thu, 21 Jan 2021 03:47:52 -0800 Received: from nsa.sphairon.box ([10.44.3.51]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 10LBllDg013729; Thu, 21 Jan 2021 06:47:49 -0500 From: =?utf-8?q?Nuno_S=C3=A1?= To: , CC: Jonathan Cameron , Rob Herring , Peter Meerwald-Stadler , Lars-Peter Clausen , Michael Hennerich , Alexandru Ardelean Subject: [PATCH 1/4] iio: adis: add helpers for locking Date: Thu, 21 Jan 2021 12:49:51 +0100 Message-ID: <20210121114954.64156-2-nuno.sa@analog.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210121114954.64156-1-nuno.sa@analog.com> References: <20210121114954.64156-1-nuno.sa@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343,18.0.737 definitions=2021-01-21_04:2021-01-21,2021-01-21 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 mlxscore=0 spamscore=0 adultscore=0 malwarescore=0 mlxlogscore=999 clxscore=1015 suspectscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101210064 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add some helpers to lock and unlock the device. Signed-off-by: Nuno Sá --- include/linux/iio/imu/adis.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h index 04e96d688ba9..f9b728d490b1 100644 --- a/include/linux/iio/imu/adis.h +++ b/include/linux/iio/imu/adis.h @@ -428,6 +428,16 @@ static inline int adis_initial_startup(struct adis *adis) return ret; } +static inline void adis_dev_lock(struct adis *adis) +{ + mutex_lock(&adis->state_lock); +} + +static inline void adis_dev_unlock(struct adis *adis) +{ + mutex_unlock(&adis->state_lock); +} + int adis_single_conversion(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, unsigned int error_mask, int *val);