From patchwork Fri Apr 24 05:18:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandru Ardelean X-Patchwork-Id: 11507121 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 A27791392 for ; Fri, 24 Apr 2020 05:18:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 91F5C2076C for ; Fri, 24 Apr 2020 05:18:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726515AbgDXFSK (ORCPT ); Fri, 24 Apr 2020 01:18:10 -0400 Received: from mx0a-00128a01.pphosted.com ([148.163.135.77]:32248 "EHLO mx0a-00128a01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726078AbgDXFSJ (ORCPT ); Fri, 24 Apr 2020 01:18:09 -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 03O50UPW014606; Fri, 24 Apr 2020 01:17:57 -0400 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com with ESMTP id 30fud7n7wd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 24 Apr 2020 01:17:56 -0400 Received: from ASHBMBX8.ad.analog.com (ashbmbx8.ad.analog.com [10.64.17.5]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 03O5HtsS049534 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Fri, 24 Apr 2020 01:17:55 -0400 Received: from ASHBCASHYB5.ad.analog.com (10.64.17.133) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1779.2; Fri, 24 Apr 2020 01:17:54 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBCASHYB5.ad.analog.com (10.64.17.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1779.2; Fri, 24 Apr 2020 01:17:54 -0400 Received: from zeus.spd.analog.com (10.64.82.11) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.1.1779.2 via Frontend Transport; Fri, 24 Apr 2020 01:17:54 -0400 Received: from localhost.localdomain ([10.48.65.12]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 03O5HnST025747; Fri, 24 Apr 2020 01:17:52 -0400 From: Alexandru Ardelean To: , CC: , , Alexandru Ardelean Subject: [RFC PATCH 2/4] iio: hw_consumer: use new scanmask functions Date: Fri, 24 Apr 2020 08:18:16 +0300 Message-ID: <20200424051818.6408-3-alexandru.ardelean@analog.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200424051818.6408-1-alexandru.ardelean@analog.com> References: <20200424051818.6408-1-alexandru.ardelean@analog.com> MIME-Version: 1.0 X-ADIRoutedOnPrem: True X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.676 definitions=2020-04-24_01:2020-04-23,2020-04-24 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 mlxlogscore=999 priorityscore=1501 clxscore=1015 impostorscore=0 suspectscore=2 phishscore=0 mlxscore=0 lowpriorityscore=0 bulkscore=0 adultscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004240037 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Lars-Peter Clausen This change moves the handling of the scanmasks to the new wrapper functions that were added in a previous commit. Signed-off-by: Lars-Peter Clausen Signed-off-by: Alexandru Ardelean --- drivers/iio/buffer/industrialio-hw-consumer.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/drivers/iio/buffer/industrialio-hw-consumer.c b/drivers/iio/buffer/industrialio-hw-consumer.c index f2d27788f666..f1cc72520685 100644 --- a/drivers/iio/buffer/industrialio-hw-consumer.c +++ b/drivers/iio/buffer/industrialio-hw-consumer.c @@ -28,7 +28,6 @@ struct hw_consumer_buffer { struct list_head head; struct iio_dev *indio_dev; struct iio_buffer buffer; - long scan_mask[]; }; static struct hw_consumer_buffer *iio_buffer_to_hw_consumer_buffer( @@ -41,6 +40,8 @@ static void iio_hw_buf_release(struct iio_buffer *buffer) { struct hw_consumer_buffer *hw_buf = iio_buffer_to_hw_consumer_buffer(buffer); + + iio_buffer_free_scanmask(buffer); kfree(hw_buf); } @@ -52,26 +53,34 @@ static const struct iio_buffer_access_funcs iio_hw_buf_access = { static struct hw_consumer_buffer *iio_hw_consumer_get_buffer( struct iio_hw_consumer *hwc, struct iio_dev *indio_dev) { - size_t mask_size = BITS_TO_LONGS(indio_dev->masklength) * sizeof(long); struct hw_consumer_buffer *buf; + int ret; list_for_each_entry(buf, &hwc->buffers, head) { if (buf->indio_dev == indio_dev) return buf; } - buf = kzalloc(sizeof(*buf) + mask_size, GFP_KERNEL); + buf = kzalloc(sizeof(*buf), GFP_KERNEL); if (!buf) return NULL; buf->buffer.access = &iio_hw_buf_access; buf->indio_dev = indio_dev; - buf->buffer.scan_mask = buf->scan_mask; iio_buffer_init(&buf->buffer); + + ret = iio_buffer_alloc_scanmask(&buf->buffer, indio_dev); + if (ret) + goto err_free_buf; + list_add_tail(&buf->head, &hwc->buffers); return buf; + +err_free_buf: + kfree(buf); + return NULL; } /** @@ -106,7 +115,7 @@ struct iio_hw_consumer *iio_hw_consumer_alloc(struct device *dev) ret = -ENOMEM; goto err_put_buffers; } - set_bit(chan->channel->scan_index, buf->buffer.scan_mask); + iio_buffer_channel_enable(&buf->buffer, chan); chan++; }