From patchwork Thu May 14 13:17:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandru Ardelean X-Patchwork-Id: 11548697 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 41484138A for ; Thu, 14 May 2020 13:17:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 31E3C20728 for ; Thu, 14 May 2020 13:17:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727853AbgENNRx (ORCPT ); Thu, 14 May 2020 09:17:53 -0400 Received: from mx0a-00128a01.pphosted.com ([148.163.135.77]:57762 "EHLO mx0a-00128a01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726037AbgENNRx (ORCPT ); Thu, 14 May 2020 09:17:53 -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 04ED9Xa4020333; Thu, 14 May 2020 09:17:38 -0400 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com with ESMTP id 3100x5yeaw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 14 May 2020 09:17:38 -0400 Received: from ASHBMBX9.ad.analog.com (ashbmbx9.ad.analog.com [10.64.17.10]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 04EDHbdm059585 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Thu, 14 May 2020 09:17:37 -0400 Received: from ASHBCASHYB4.ad.analog.com (10.64.17.132) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1779.2; Thu, 14 May 2020 09:17:36 -0400 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBCASHYB4.ad.analog.com (10.64.17.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1779.2; Thu, 14 May 2020 09:17:35 -0400 Received: from zeus.spd.analog.com (10.64.82.11) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server id 15.1.1779.2 via Frontend Transport; Thu, 14 May 2020 09:17:35 -0400 Received: from localhost.localdomain ([10.48.65.12]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 04EDHUak017033; Thu, 14 May 2020 09:17:33 -0400 From: Alexandru Ardelean To: , , , CC: , , , , , , , , Alexandru Ardelean Subject: [PATCH v2 1/8] iio: proximity: ping: pass reference to IIO device via call-stack Date: Thu, 14 May 2020 16:17:03 +0300 Message-ID: <20200514131710.84201-2-alexandru.ardelean@analog.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200514131710.84201-1-alexandru.ardelean@analog.com> References: <20200514131710.84201-1-alexandru.ardelean@analog.com> MIME-Version: 1.0 X-ADIRoutedOnPrem: True X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216,18.0.676 definitions=2020-05-14_03:2020-05-14,2020-05-14 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 adultscore=0 malwarescore=0 suspectscore=0 cotscore=-2147483648 mlxscore=0 spamscore=0 lowpriorityscore=0 mlxlogscore=999 phishscore=0 priorityscore=1501 clxscore=1011 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2005140117 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Since there will be some changes to how iio_priv_to_dev() is implemented, it could be that the helper becomes a bit slower, as it will be hidden away in the IIO core. For this driver, the IIO device can be passed directly as a parameter to the ping_read() function, thus making it immune to the change of iio_priv_to_dev(). Signed-off-by: Alexandru Ardelean --- drivers/iio/proximity/ping.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/iio/proximity/ping.c b/drivers/iio/proximity/ping.c index 12b893c5b0ee..ddc43a5a2ef8 100644 --- a/drivers/iio/proximity/ping.c +++ b/drivers/iio/proximity/ping.c @@ -89,14 +89,13 @@ static irqreturn_t ping_handle_irq(int irq, void *dev_id) return IRQ_HANDLED; } -static int ping_read(struct ping_data *data) +static int ping_read(struct iio_dev *indio_dev, struct ping_data *data) { int ret; ktime_t ktime_dt; s64 dt_ns; u32 time_ns, distance_mm; struct platform_device *pdev = to_platform_device(data->dev); - struct iio_dev *indio_dev = iio_priv_to_dev(data); /* * just one read-echo-cycle can take place at a time @@ -236,7 +235,7 @@ static int ping_read_raw(struct iio_dev *indio_dev, switch (info) { case IIO_CHAN_INFO_RAW: - ret = ping_read(data); + ret = ping_read(indio_dev, data); if (ret < 0) return ret; *val = ret;