From nobody Wed Dec 17 10:48:46 2025 Received: from mx0b-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A504528FFCE; Fri, 9 May 2025 10:50:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.135.77 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746787843; cv=none; b=k65lP1cJNV6Hpqmhh91kOkH6b44gQdCsRuIoWzoimjAAFhAFqZmPW7Qlt+7g0heMbHUMrAJZ+NP3u4gSpXayygaPL8dhhYMJK5Phe5dg2e2i3k66h7U686EmVJD+ZYEjIo31XbmJPA2QjC6VQ3B/2lj1rG/751oBkTTI8tLTuAQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746787843; c=relaxed/simple; bh=sEJhucEqxDyy5ghmvqCHFSuyAs8HZoWTyKunKq4slTU=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=E2gBPk0C1Q0U2XmH5e85hbkXOCQejSTIshuWBmJnquFwJ0WDpqB+zTIp9qgKknT6/SczXjkoDDwqMAVObFjpoeb/U4/bZGi2SKc5hV/y+8y+fu1kFhOJ1KU1xrcwxcgoY14zVhpU+VfDv7UVs+F05v06dhetIWxfr20vjIVRlt4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=analog.com; spf=pass smtp.mailfrom=analog.com; dkim=pass (2048-bit key) header.d=analog.com header.i=@analog.com header.b=n4cm0q/9; arc=none smtp.client-ip=148.163.135.77 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=analog.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=analog.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=analog.com header.i=@analog.com header.b="n4cm0q/9" Received: from pps.filterd (m0375855.ppops.net [127.0.0.1]) by mx0b-00128a01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 549AenWZ016368; Fri, 9 May 2025 06:50:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=analog.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=DKIM; bh=fmEIe T6JTtSsCxNyfMN846aUBpW/rlvWECSiSd9Nm0E=; b=n4cm0q/9jfPnG/Ci6t8Zl nQTV1srNzsL76UOorGiCGsmAzupxTWNPfPE9mFPieJCiXt10+Wjgy4p5bZPaNcSQ TOXep/4Wm0hhAPhDtX19DXWhCjEFBl8HyjRFWVzgZ8TuMonl1fIDoGvDzaaT49yN xPuam4WgH0pfahzAsktPs8dSom5tCZUBIBxcdkwHavnhIsVHHKvvhTh9hHG0VNE2 c5zuxR7uCtcloBcHz+960E2J0VRk6CozS02WXps4xkVNYg+Q+bo2VQPc2niXJwHr NaH4ZU72AMcyxhlTBnvf75eUmj9PoNr/wo3wF8LNMyqvSHzCuuOnKiK4bp8GUyo4 Q== Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0b-00128a01.pphosted.com (PPS) with ESMTPS id 46hg5tg0wa-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 09 May 2025 06:50:35 -0400 (EDT) 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 549AoYHB049032 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 9 May 2025 06:50:34 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Fri, 9 May 2025 06:50:34 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Fri, 9 May 2025 06:50:34 -0400 Received: from amiclaus-VirtualBox.ad.analog.com (AMICLAUS-L02.ad.analog.com [10.48.65.148]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 549AoK13014223; Fri, 9 May 2025 06:50:28 -0400 From: Antoniu Miclaus To: , , , , , CC: Antoniu Miclaus , =?UTF-8?q?Nuno=20S=C3=A1?= Subject: [PATCH v5 03/10] iio: backend: add support for number of lanes Date: Fri, 9 May 2025 13:50:12 +0300 Message-ID: <20250509105019.8887-4-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250509105019.8887-1-antoniu.miclaus@analog.com> References: <20250509105019.8887-1-antoniu.miclaus@analog.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: qKCoW6-OmJW9KStYl5_MzP49T8DyfbaJ X-Proofpoint-ORIG-GUID: qKCoW6-OmJW9KStYl5_MzP49T8DyfbaJ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTA5MDEwNCBTYWx0ZWRfX6KQNotqillL+ Ml6N33MB5f6GALi41svV86dDvwDp932+01M4RLBKcDe9CPf57WwYffdnQdnFc0nkGKOg8urWlgK p8V3Zs/jL7XIktlCk7F1kMRNZKzzQ3nKdJIw2f1iOiyGtkBiRUKKuEFmlCgp4DIC28L4LbUfblC 5IQteqEsLYjnUSs46fagm9Tsjbnh1VaOR46Afv48jvh8uefbdkLSehSjayX3mQMuwMcurJTz8// cIgYXlXCbMAn0HTHNePgchW3Vt24KfCJvx2tE1Jbcq+FZojFlRW+YXPuwtsLSup6doV/EEqoGN8 zE8XysWNQm4YqCDeSDautmQqlYBBJEStrsFouGULF0ecLAch7D/rKq5Wo4zQNztZMK3zMbfwcjV 2gjwlyjSGuIdzwIDmPUspVTwlYoN+QKYDoQxX6HoiF/j9u4YInFc8SbxyjR5kx91BoX2+GVA X-Authority-Analysis: v=2.4 cv=eeE9f6EH c=1 sm=1 tr=0 ts=681dddfc cx=c_pps a=PpDZqlmH/M8setHirZLBMw==:117 a=PpDZqlmH/M8setHirZLBMw==:17 a=IkcTkHD0fZMA:10 a=dt9VzEwgFbYA:10 a=gAnH3GRIAAAA:8 a=Ge_Sr372ckFWHCXdfyYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-09_04,2025-05-08_04,2025-02-21_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 mlxlogscore=999 bulkscore=0 priorityscore=1501 malwarescore=0 phishscore=0 spamscore=0 mlxscore=0 impostorscore=0 adultscore=0 lowpriorityscore=0 suspectscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2504070000 definitions=main-2505090104 Add iio backend support for number of lanes to be enabled. Reviewed-by: Nuno S=C3=A1 Signed-off-by: Antoniu Miclaus --- no changes in v5. drivers/iio/industrialio-backend.c | 17 +++++++++++++++++ include/linux/iio/backend.h | 3 +++ 2 files changed, 20 insertions(+) diff --git a/drivers/iio/industrialio-backend.c b/drivers/iio/industrialio-= backend.c index 545923310f1f..537fb3202783 100644 --- a/drivers/iio/industrialio-backend.c +++ b/drivers/iio/industrialio-backend.c @@ -819,6 +819,23 @@ int iio_backend_interface_data_align(struct iio_backen= d *back, u32 timeout_us) } EXPORT_SYMBOL_NS_GPL(iio_backend_interface_data_align, "IIO_BACKEND"); =20 +/** + * iio_backend_num_lanes_set - Number of lanes enabled. + * @back: Backend device + * @num_lanes: Number of lanes. + * + * RETURNS: + * 0 on success, negative error number on failure. + */ +int iio_backend_num_lanes_set(struct iio_backend *back, unsigned int num_l= anes) +{ + if (!num_lanes) + return -EINVAL; + + return iio_backend_op_call(back, num_lanes_set, num_lanes); +} +EXPORT_SYMBOL_NS_GPL(iio_backend_num_lanes_set, "IIO_BACKEND"); + /** * iio_backend_ddr_enable - Enable interface DDR (Double Data Rate) mode * @back: Backend device diff --git a/include/linux/iio/backend.h b/include/linux/iio/backend.h index a971a83121b7..1be4671c8c07 100644 --- a/include/linux/iio/backend.h +++ b/include/linux/iio/backend.h @@ -110,6 +110,7 @@ enum iio_backend_filter_type { * @debugfs_reg_access: Read or write register value of backend. * @filter_type_set: Set filter type. * @interface_data_align: Perform the data alignment process. + * @num_lanes_set: Set the number of lanes enabled. * @ddr_enable: Enable interface DDR (Double Data Rate) mode. * @ddr_disable: Disable interface DDR (Double Data Rate) mode. * @data_stream_enable: Enable data stream. @@ -163,6 +164,7 @@ struct iio_backend_ops { int (*filter_type_set)(struct iio_backend *back, enum iio_backend_filter_type type); int (*interface_data_align)(struct iio_backend *back, u32 timeout_us); + int (*num_lanes_set)(struct iio_backend *back, unsigned int num_lanes); int (*ddr_enable)(struct iio_backend *back); int (*ddr_disable)(struct iio_backend *back); int (*data_stream_enable)(struct iio_backend *back); @@ -206,6 +208,7 @@ int devm_iio_backend_request_buffer(struct device *dev, int iio_backend_filter_type_set(struct iio_backend *back, enum iio_backend_filter_type type); int iio_backend_interface_data_align(struct iio_backend *back, u32 timeout= _us); +int iio_backend_num_lanes_set(struct iio_backend *back, unsigned int num_l= anes); int iio_backend_ddr_enable(struct iio_backend *back); int iio_backend_ddr_disable(struct iio_backend *back); int iio_backend_data_stream_enable(struct iio_backend *back); --=20 2.49.0