From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 0F84647ECCE for ; Mon, 19 Oct 2026 06:05:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792389921; cv=none; b=eG+lOV20E1pgr8MEzk8EvSyspShhy1z0PKos+qwNQI8Dtb67Q6Sjg9koofed2quMGDy9gBjs8jDpuMyw0YVPOK/LNqItcUM+XhQVnoXKcdg8q10QUXO6eFz9rsmbj/gVDnv8dNbdK5PhCyvGm3j/Q+o0M59UbxshP6bzZEq8scY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792389921; c=relaxed/simple; bh=eVz2kOkeYGqtTtls5Y5pxyYcXl8r5yMKB0Xmf7FiKNU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=sVd0HOpEz32OPLxhPG9nMOiTiqp9Fh9vTFEDO09wY2M80xLbiGmQeiJ93DLbCmt1D4eQwOMLyA0AP65yoVTFvtTm5u5YATDrFFLWMx2YAmRJUWSJcVYiDB/f3q62MZmJDVHMxvCEPqnbDxZeZT6k+OYyLsvE5mqNZ1nJG+xN4AM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=MRn2PdRK; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=iwcz5ZTP; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="MRn2PdRK"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="iwcz5ZTP" Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 69J4ixFZ1552881 for ; Mon, 19 Oct 2026 06:05:19 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-type:date:from:in-reply-to:message-id:mime-version :references:subject:to; s=qcppdkim1; bh=tB06UDpEriWVFySp15EJ7VgU Kt47g1OZ4M7wqg9CBMc=; b=MRn2PdRKSHF+PI/DJ8Vuoytz4ofplgtn766QFQ4V mMipqI1bIovjH5aX8IdO/is0fLqADjKaiMVkTmaL3Yv8kA7jCf31qNaUpzkO3LuH tG8h3W9BnayOuCpSwI9nkhtIMpp/bQW3XaHnEL8iT6iZ1XeaLb3PVo3OxZ7MIwdZ ARC6hxvNllK0ATcpMWjz4usXc7Mf63R2DPt9nAXPXdeoORBg8WtTODhsTifSDqbS 5a2FruVl+611AQpBStzo1vquAxt0lyVz2eywYBVukCybhC4NETeFgBsTdVTNoAMQ HV5Rjxhrd4OqYdx6yLkWA7UuTNUtP94lbFIRRtvSY/cimg== Received: from mail-dy1-f199.google.com (mail-dy1-f199.google.com [74.125.82.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4hd5ur1742-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 19 Oct 2026 06:05:18 +0000 (GMT) Received: by mail-dy1-f199.google.com with SMTP id 5a478bee46e88-30bcb065bfdso3592077eec.0 for ; Sun, 18 Oct 2026 23:05:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1792389918; x=1792994718; darn=vger.kernel.org; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:from:to:cc:subject :date:message-id:reply-to:content-type; bh=tB06UDpEriWVFySp15EJ7VgUKt47g1OZ4M7wqg9CBMc=; b=iwcz5ZTPNxfAsrhW9ZSt9u87tH5/kels4NCZMXl4n3oDl1g5Apk3Fb4zwi+nXm5bRw RJW8r7EmQiYbhR8iKatAeJwoQ0m+P1llzo8+h77a0uJsj5rieX4eya/qDW9FZVBEyRo/ nK/GlMy80oOWptb8ZNrTPpIrnK5HUiYpQRhc/1Ke06TfY1Ee1Cacl9Ae32Ta0Yo9UisI HP/JCOAQ1/KR2Z3kdU0o8Il6kFls80SnTH46GCRYcjKCkLXfD55xilEBbrHlkoY7JI2j LORxbWya0TzpEr7kRV7B6MdoALNhI7pE3cNZgPcldd93LCWkcFIWhPhvHNnLVArGsAtp vuSg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1792389918; x=1792994718; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=tB06UDpEriWVFySp15EJ7VgUKt47g1OZ4M7wqg9CBMc=; b=NOcomCwj1vwIGjpXeT3TIvmVmFYG6IRr/u9MvuSu0ymwl8ySdFg+bgqvhr8pHuv62i 7z4Jw6hFgpdzWw3yc/Pm2sO7U74ApHH/r2b79Cq3PKed7K+fkk0kYHQoKZZqdkNOR9xd ZPx2iVvs5FTYV4ZhHFrlexwPI6+C5h/tsrMl5rDvkqppQ5yve5uJ38stTXBnb4JydDGj fIMCd3Z1TTx2ymgC3q28aSNUgg8pI2MvPcXpq6iVlRl1LdWAzLRYDu6prNZtBPlhtscc MohaEi/QnypAYd60bhhyCjdZtmKgCnNPueTNMtXeWQsqdIciJ7IL+k5uSWIXHMvTvgbC tlPQ== X-Forwarded-Encrypted: i=1; AKwUvByasMjIhhaoY5jwp/TVKr+0vLugK7ZYt/kcDJJ+fiNMfu+9145T0R6BJIYxDUWRT/SxofUoLAGb4YA=@vger.kernel.org X-Gm-Message-State: AFq9FYLzJqw9LBD7K3/K3uWAHA48mT4qbstDrNfIDnp/k+p3fQQujJ9h bgFYYt6DO1OvjLMdaRlq7BPNGXkaH0XY3y6LLWF/UeOCe+ujXRYUAK2ILfRMA19j3aG/5y8uQTU NewAsddqTHtoDgLCBuG9+GW8szGKXrVWh0u2zsWU+Xmqd430MFLdnH0b41GpH+ZU= X-Gm-Gg: AYBFou3y5d9PdqFWIuNeszE5wi6UmR/Lex8N4Pj/WvxHMjyxwmKrrTjbRF6E5IoFhfv G/0UUzXIDlEoufI1h0lOfvyBNJjPNtELbERsLo+x6hiae9f1PU7nVVbjw1Kf14S0mo/lZHPRscj 9+tf4kqUy8op+dsA/FmsqI/J6+LErtATDDPx3CPvcGoI779Cnv8R2kNfGYS+BQS/yditer8CKGR 2A2LZGFSdKt6hLY/9qs6qlnJwa+92z6kdkXspCjIadXj1NIQ/8uFWBGWPqGMY7GNeBIkN6F1R1J r2eFH8qZ05LZQ1w3IkHVcjgtI7XG19AHWcrPE+uO0OmUkWOthYiI2X8zBEDRHSYxSon32vQ6/Cw 2fWhkOyGPSeOAqCzxE6Y1+D4XS5OxYToNrNgZqfa51Q== X-Received: by 2002:a05:693c:8353:b0:35e:fd8:3201 with SMTP id 5a478bee46e88-361a136eb6fmr8863397eec.14.1792389917767; Sun, 18 Oct 2026 23:05:17 -0700 (PDT) X-Received: by 2002:a05:693c:8353:b0:35e:fd8:3201 with SMTP id 5a478bee46e88-361a136eb6fmr8863359eec.14.1792389917130; Sun, 18 Oct 2026 23:05:17 -0700 (PDT) Received: from QCOM-aGQu4IUr3Y (i-global052.qualcomm.com. [199.106.103.52]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-360820a79c7sm28638345eec.18.2026.10.18.23.05.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 18 Oct 2026 23:05:16 -0700 (PDT) Date: Mon, 19 Oct 2026 14:05:10 +0800 From: Shawn Guo To: Jonathan Cameron Cc: David Lechner , Nuno =?iso-8859-1?Q?S=E1?= , Andy Shevchenko , Jishnu Prakash , Daniel Lezcano , Danilo Krummrich , Dan Carpenter , Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= , Bartosz Golaszewski , Dhruvin Rajpura , linux-arm-msm@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] iio: adc: qcom-spmi-adc5-gen3: Allocate unique ADC_TM aux device IDs Message-ID: References: <20261008031154.3440632-1-shengchao.guo@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261008031154.3440632-1-shengchao.guo@oss.qualcomm.com> X-Proofpoint-Spam-Info: AW1haW4tMjYxMDE5MDAyNCBTYWx0ZWRfX25SqZfnX8oCr WmzwSKhMvy6NM6vLNnahr/M5X1s7Szv6PBFA+wfZZJcwu6/9RJ234RHKLw/c4GVBx1JBEvNMqy1 bnE/TKB9auETMs2Mc3prVwSlbLWqZzQ= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDE5MDAyNCBTYWx0ZWRfXxpwElQVHNbeE gm37q2Nt9Wzo+UugpBaeqx154elHsRqOseyA6uZLpSSug69LUNQwM8EYI8h8xafgEJG+L0rSjkQ WwbZEPv6QFHWwHDR5K6GEfYzV/9DX1wTk8Ff1jxxmuKw+fW9ux7KBoq0SUFhhQ+W41f7GKXLigC ooSl1MOfs52Jsb2zo2gbi6AcTkV8zxAzUrQmteXZEDTXjLPiyUR0YTlEhaoaTvEhNiIrlLioOs3 i1rWMfSg5HgMyZPusdnIOIi0Nmp5a9zn7nh4439AK8eMRcFPM0lC5/sCyfLNtVco82EI7UUe865 U7lcO6tV1BrblhHKgykuD+3W8E7ZD6lSyEEmpQaLNqA+877mwDGxJu8XmVsBSXFfpmPz6eJus5e iYrIkwtcq1JsqCI4L5+Qzjeuo8Ir1YMkIg3p7dxPzOgczeIVnSpXDQ3+8WZLI0rVi2nmRCPWGls VAunh/jK5nw+lFHjhmw== X-Proofpoint-ORIG-GUID: TgQEU00WJIFwazMUB95gUFxQHe8X7wR6 X-Proofpoint-GUID: TgQEU00WJIFwazMUB95gUFxQHe8X7wR6 X-Authority-Analysis: v=2.4 cv=CP6/zhrD c=1 sm=1 tr=0 ts=6ad5b31e cx=c_pps a=cFYjgdjTJScbgFmBucgdfQ==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=kj9zAlcOel0A:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=sqrxk8c0NW8lVwhiI0QA:9 a=CjuIK1q_8ugA:10 a=scEy_gLbYbu1JhEsrz4S:22 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=2026-10-19_02,2026-10-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 bulkscore=0 clxscore=1015 suspectscore=0 lowpriorityscore=0 priorityscore=1501 spamscore=0 impostorscore=0 phishscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610190024 On Thu, Oct 08, 2026 at 11:11:54AM +0800, Shawn Guo wrote: > adc5_gen3_add_aux_tm_device() never sets the auxiliary device id, so > every ADC5 Gen3 instance with at least one qcom,adc-tm channel tries > to register the same device name. With ADC_TM channels on more than > one PMIC, the second instance to probe fails: > > sysfs: cannot create duplicate filename '/bus/auxiliary/devices/qcom_spmi_adc5_gen3.adc5_tm_gen3.0' > ... > auxiliary qcom_spmi_adc5_gen3.adc5_tm_gen3.0: adding auxiliary device failed!: -17 > qcom-spmi-adc5-gen3 c400000.spmi:pmic@8:adc@7200: error -EEXIST: Failed to add auxiliary TM device > > The ADC probe then fails as a whole, so that PMIC loses both its IIO > channels and its thermal zones. This shows up on Nord, which has > thermistor channels on two PMAU0102 PMICs. > > Allocate the id from a driver-wide IDA and release it from the > auxiliary device release callback. The ADC_TM driver matches on the > device name only, so the instance number does not affect binding. > Fixes: baff45179e90 ("iio: adc: Add support for QCOM PMIC5 Gen3 ADC") > Assisted-by: LLM > Signed-off-by: Shawn Guo