From patchwork Tue Apr 13 11:21:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nuno Sa X-Patchwork-Id: 12200211 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=-16.7 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 4FDC1C43600 for ; Tue, 13 Apr 2021 11:19:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 392C961042 for ; Tue, 13 Apr 2021 11:19:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345162AbhDMLT1 (ORCPT ); Tue, 13 Apr 2021 07:19:27 -0400 Received: from mx0a-00128a01.pphosted.com ([148.163.135.77]:24350 "EHLO mx0a-00128a01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345401AbhDMLTQ (ORCPT ); Tue, 13 Apr 2021 07:19:16 -0400 Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 13DBACv7002972; Tue, 13 Apr 2021 07:18:47 -0400 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com with ESMTP id 37vyd1swbs-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 13 Apr 2021 07:18:47 -0400 Received: from SCSQMBX11.ad.analog.com (SCSQMBX11.ad.analog.com [10.77.17.10]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 13DBIjc3040716 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 13 Apr 2021 07:18:45 -0400 Received: from SCSQMBX10.ad.analog.com (10.77.17.5) by SCSQMBX11.ad.analog.com (10.77.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.721.2; Tue, 13 Apr 2021 04:18:44 -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 15.2.721.2 via Frontend Transport; Tue, 13 Apr 2021 04:18:43 -0700 Received: from nsa.sphairon.box ([10.44.3.58]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 13DBIbDB010275; Tue, 13 Apr 2021 07:18:41 -0400 From: Nuno Sa To: CC: Jonathan Cameron , Michael Hennerich , Lars-Peter Clausen Subject: [PATCH 4/7] iio: adis16475: re-set max spi transfer Date: Tue, 13 Apr 2021 13:21:02 +0200 Message-ID: <20210413112105.69458-5-nuno.sa@analog.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210413112105.69458-1-nuno.sa@analog.com> References: <20210413112105.69458-1-nuno.sa@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: ieoyXaPM_lfm2ba_QVGmMb6aVm7ZUTAN X-Proofpoint-ORIG-GUID: ieoyXaPM_lfm2ba_QVGmMb6aVm7ZUTAN X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391,18.0.761 definitions=2021-04-13_04:2021-04-13,2021-04-13 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxscore=0 mlxlogscore=999 clxscore=1015 priorityscore=1501 spamscore=0 adultscore=0 bulkscore=0 phishscore=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104060000 definitions=main-2104130078 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org In case 'spi_sync()' fails, we would be left with a max spi transfer which is not the one the user expects it to be. Hence, we need to re-set it also in this error path. Fixes: fff7352bf7a3c ("iio: imu: Add support for adis16475") Signed-off-by: Nuno Sa --- drivers/iio/imu/adis16475.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/iio/imu/adis16475.c b/drivers/iio/imu/adis16475.c index 51b76444db0b..9dca7e506200 100644 --- a/drivers/iio/imu/adis16475.c +++ b/drivers/iio/imu/adis16475.c @@ -1067,8 +1067,10 @@ static irqreturn_t adis16475_trigger_handler(int irq, void *p) adis->spi->max_speed_hz = ADIS16475_BURST_MAX_SPEED; ret = spi_sync(adis->spi, &adis->msg); - if (ret) + if (ret) { + adis->spi->max_speed_hz = cached_spi_speed_hz; goto check_burst32; + } adis->spi->max_speed_hz = cached_spi_speed_hz; buffer = adis->buffer;