From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-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 142E33ADBAC; Thu, 10 Sep 2026 17:37:22 +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=1789061849; cv=none; b=V8H4zFzvic8LIm6dvnU0fsP0YkXWz28SFnx/Yey+TTI8Jf6znDyL63TN71X+t/vg81veSyRxLEZmj1Mdzyp8RlMNumTb7w2Gfgum+V2DRjTb9WgZWVLhsy/Ga4EbPjw07nonC2mgKIfGQjaH/R751mKt1EqDZqV1zZ8DBFAFNa0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789061849; c=relaxed/simple; bh=FGQG3DmM+7X/giTmbo/iKtzgJp69jhePuib7JGtlpCY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:References: In-Reply-To:To:CC; b=uhrAhgHk208SikNbx0VJzeoAxpoofYbchqn9Lukr1BAYCHsO0tgDti31rwmq5Uozces0V18SLVDUlGwAZtqkkJ4eIB8q53cty+HIMwPwPi8T7BLCAAWlCaHnEszQUgNv5AxNAlAzURHJGaHMdlc8TFedcFvCL9R6CdOa0F2FyMg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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=krKuU1jQ; arc=none smtp.client-ip=148.163.135.77 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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="krKuU1jQ" Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 68AF7Qqc343094; Thu, 10 Sep 2026 13:37:00 -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=rxmPy wnjcLCbFsxSJFUDwnHHA1K7/8xkNzN+tJwpQgI=; b=krKuU1jQuTQHwIxyyTp8o /iQvMUZSKMoMjXuADw17L9ZJAu+iCqXLRgCuANx3++3+PQ0bJN8DgY8hdWobK+Lg kOvA2t/fYjctaveO3SIchsZfbaVcfuIRYcfVK6TKKekUsBdCbAcppzp62QSeKdJP EFPNXR2WW1RGC9CoGyfCAYHtDCH9l8xNxHALifxGfwwWbf8Ey/QTBKT3/YDAEm9T iK1vkqoL5OiVzMSx8icXzszRIK0pKplE/3jwMsvwnAKQ2YVW5AY1i9OEixcLX6Ut BA+8zgo2jztm63aQ6bbCY6Rf7K2LgBDUOg/2pFyyVS4rvHqkQjdoLGxmtxbWMkh4 Q== Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 4gkcx95208-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 10 Sep 2026 13:37:00 -0400 (EDT) Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 68AHaxee038715 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 10 Sep 2026 13:36:59 -0400 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) 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 15.2.1748.37; Thu, 10 Sep 2026 13:36:58 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server id 15.2.1748.37 via Frontend Transport; Thu, 10 Sep 2026 13:36:58 -0400 Received: from HYB-e1y2fvUQ3cx.ad.analog.com ([10.32.225.204]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 68AHaSSX018832; Thu, 10 Sep 2026 13:36:52 -0400 From: Janani Sunil Date: Thu, 10 Sep 2026 19:36:19 +0200 Subject: [PATCH v7 01/17] iio: adc: adi-axi-adc: Initialize state mutex Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-ID: <20260910-ad7768-driver-v7-1-7f70b07627e1@analog.com> References: <20260910-ad7768-driver-v7-0-7f70b07627e1@analog.com> In-Reply-To: <20260910-ad7768-driver-v7-0-7f70b07627e1@analog.com> To: =?utf-8?q?Nuno_S=C3=A1?= , Michael Hennerich , Jonathan Cameron , David Lechner , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Olivier Moysan , Philipp Zabel , Linus Walleij , Bartosz Golaszewski , Jonathan Corbet , Shuah Khan , Michael Walle , Randy Dunlap CC: , , , , , , , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Janani Sunil , Jonathan Cameron X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1789061788; l=1021; i=janani.sunil@analog.com; s=20260507; h=from:subject:message-id; bh=FGQG3DmM+7X/giTmbo/iKtzgJp69jhePuib7JGtlpCY=; b=ikdrHkLi7LigpgtvEANLNAzH3UjvZSeMxDQadwXUSUmoSoN2srISV75UUdPaJrv/gHAKIXFFd Z6YHPrBLRhtBHvbBnFcILjE301mNcLJ9/SznKBhb6RwnZLkMeTYW/Ft X-Developer-Key: i=janani.sunil@analog.com; a=ed25519; pk=e25MyjRLPY3RWrYm/LrJ+/+t1MZJUbkgIW5CZg+g+hA= X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-Spam-Info: AW1haW4tMjYwOTEwMDIxNSBTYWx0ZWRfX7AZbYrIMQ0Y5 dC8/8p8oXKpQ/cQctWdPpG2FZd1a+m37AASC4b/I8JY2LxQxdU2br+LXt9tKhE/MNRnVKYIcaWJ AGeFhmWwJuMp1xnrgUNkopy1joY6titkUfO4LHic/Tt1gEH2ye16 X-Proofpoint-GUID: aAFZ89kUa_HfB6yo4fCbFgJkjEPtb-VX X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTEwMDIxNSBTYWx0ZWRfX+vL5uyYpWjOx 8a3riQyAZ+Zt7HuzGWypzpqu3acjXKiSbw1OCApm+VK7b/mltnIfzI0VI9BR2/S0m9ndNblCwqa v8nrPABMRqT9tPROBvbkLH7vWDQUDdvp/nA+5VA8yJKQR4ujowLZe0x6o+SlxTUGb286rHNLTgm of2izkRiE2UUU9unJmkalG1C42Dia6mI1EGSiYHEN1CohOkhYkgxRRskLcUWKWeGWJoHtHzb8k6 Oxf5eY+rTOqXIf8kZ8aB40P85UmwDQX6rvQISHV6o0h41AbjUubT04biwFeUCMyFN9TNLBzwHRA L/Xka0nC1sllcc4PcnzGadYy/KKt3E27HvhfqoJupYLZGl4M4IXFNcaIbmi2EoJTtocqBA3ohOd lnJsiqBfNmCl4j8YPwmaOQeR3wciJzGclYIVHJMQaynJTUwL9pUYgZ29hE3yoH5bMjkkR8b4h1K a0S9Nu2h09hWwsKUlgQ== X-Authority-Analysis: v=2.4 cv=G8CJgNk5 c=1 sm=1 tr=0 ts=6aa2eabc cx=c_pps a=3WNzaoukacrqR9RwcOSAdA==:117 a=3WNzaoukacrqR9RwcOSAdA==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=VkNPw1HP01LnGYTKEx00:22 a=0sLvza09kfJOxVLZPwjg:22 a=uXIjobp8t2wMuQ0fPvqm:22 a=gAnH3GRIAAAA:8 a=_ljTvifiVFBlT2kRk7cA:9 a=QEXdDO2ut3YA:10 a=zZCYzV9kfG8A:10 X-Proofpoint-ORIG-GUID: aAFZ89kUa_HfB6yo4fCbFgJkjEPtb-VX X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-10_05,2026-09-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 adultscore=0 malwarescore=0 priorityscore=1501 bulkscore=0 lowpriorityscore=0 impostorscore=0 phishscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609100215 The AXI ADC register access paths serialize transactions with st->lock, but probe does not initialize it. Initialize the mutex before registering the backend. Fixes: 7ecb8ee5c93b ("iio: adc: adi-axi-adc: support digital interface calibration") Signed-off-by: Janani Sunil --- This patch is already queued in the IIO fixes-togreg branch as commit 040c2514b25b ("iio: adc: adi-axi-adc: Initialize state mutex"). --- drivers/iio/adc/adi-axi-adc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c index 589f03618ecf..fc7cc92b35f0 100644 --- a/drivers/iio/adc/adi-axi-adc.c +++ b/drivers/iio/adc/adi-axi-adc.c @@ -714,6 +714,10 @@ static int adi_axi_adc_probe(struct platform_device *pdev) if (!st) return -ENOMEM; + ret = devm_mutex_init(dev, &st->lock); + if (ret) + return ret; + base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base)) return PTR_ERR(base); -- 2.43.0