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 3836332ED21 for ; Fri, 18 Sep 2026 04:40:37 +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=1789706438; cv=none; b=AW3v2l5snz6sFZPvBH91UZjp4uQKxv9y3Q1pbHy8peum7nr5hh/vB49/7cMud2SXqTOYKzbXutayJTE6qkFK4tkbXtJC93UqJSXqPaiyc3+64R797SxtFu54169RQ7H6Y8yof3Go1iEpROVDd/POULAobLgGB9dIgoaAPQCFUXo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789706438; c=relaxed/simple; bh=GDh2B6VHzyz2DND7O7ADLJNH6RV0i2L/+VV5wUCVg+I=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=OpZrbrZw0xstkrI9aQgHYPBvNOB20A55tm13nNUxaIDukjBujcUPyTh5AX+fBeuwh458zIq4v2gXu+Qjhgpcgz7AUv+6WwcECb53+L7B1Dm5vJInKfo64g/61G14B67/W3Kw3hngcCfUKj5YlrAUUayy4ELsRZsnT4orzFP9DIM= 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=ggcnYsdN; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=DnBOYQpz; 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="ggcnYsdN"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="DnBOYQpz" Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 68I2VH3G3947614 for ; Fri, 18 Sep 2026 04:40:36 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= GDh2B6VHzyz2DND7O7ADLJNH6RV0i2L/+VV5wUCVg+I=; b=ggcnYsdNZhkfVvU+ 9iG4KW0LuyTC+7SVgSdMRVjwIm1dyDGUTazZNW9r5aYL3TWKPxmkTj9skg1W4JsN 6VsfF6itt/XgaAZ2MSr2Qj4DMGos3czDxGov3Wk7s4WghJRq7Yj+aAVMZK0y7QBL DIXA/75Ec4Sjy46i43u+felCoAaxduDcm7PnPPznUAisheo3wXSZKzTg+YyNFu9l +dhvPPZDZq24Yi0Zdqipwk3Gc3gH6iiJGeKLwYzeg4OChSNY0GZFYXZinoe0ruWm EBrj2iNAa5X+0QjBQOXRefSyIYJZ+odRCDDeuwNr/Vdm+HIjUmb1nESDxNqnJcMH m5C+Jg== Received: from mail-pg1-f200.google.com (mail-pg1-f200.google.com [209.85.215.200]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4grfppm3qj-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Fri, 18 Sep 2026 04:40:36 +0000 (GMT) Received: by mail-pg1-f200.google.com with SMTP id 41be03b00d2f7-cc52c77089bso436977a12.3 for ; Thu, 17 Sep 2026 21:40:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1789706435; x=1790311235; darn=vger.kernel.org; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=GDh2B6VHzyz2DND7O7ADLJNH6RV0i2L/+VV5wUCVg+I=; b=DnBOYQpz8I7zgcmDoeqDQSOAb1N/no47ZSQUZkcP9p/27FcXO9QsnvN8aWrnFYT8JU WcBPpNTmCTkwROl40yZXQrbqT6JMaWBqbkXP8xHLcdBurbBM7uQV9IBq0QSPc2RtJE3i ugnM5ND7ZQ+RhVfexZr/mFhDZrosPlBN2khY5+dvxHRr3I5oF5dIi4ujtfs9YgHMNRhw e5BOf1pAfdvFQTFbXo0gEUr/XZyTNEPDMUahWDrwEmGEmUVYTKg9e3fYdNz8CjoCg43+ DutHWydq4GuDBK1SRId8K3f1OY900F7sbrD3S2PttLBPd9euV4wYAoTX0XlNC6/mGMyE NLeg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1789706435; x=1790311235; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=GDh2B6VHzyz2DND7O7ADLJNH6RV0i2L/+VV5wUCVg+I=; b=rH/FFk4XU1sxJ2XX+S0szg0jK6C/UfUYscaBMcVge3mKbD3ODcLBPcZ/5zQ7/LqnMS qTmya8ri8n8P0GWNa4iibU+mnfTEWOZ/oTK/dnhSEXXF/367PnlzS+4ZNu+Vz0cwp3Q4 +aFRi1An5La/hKJ/GODHC9GcdYYsGZdZpQOGtNuZAsuUifNVV/onUuSydnVra45njlpV Z+Ey0LjYRbi2vgaIfPtqEw/ubnmcFMR/xOQ0V+IzMi9Sd1u55FxWjwrEChX0hDNd9cD3 qK2905uVqZyeHiEuESc7XKLCLHCF7kWzMMI/PTlrF8t+XH1IE+jA5UcwY1gkTnbukFKE uxag== X-Forwarded-Encrypted: i=1; AKwUvBzbUCgowXgaDxIr5blP27rhWU9aRISjhobNBns+ctCjQoNw1Ba1N1cOC12VMJvVM3/FjJlTe6ZLIY68@vger.kernel.org X-Gm-Message-State: AFuF++lr0T+xko2X9kp8FMfIBa8cf/b6AUOgB2O9FBeSuq1R+JLXgXN5 d7AYI6GqYeevJzPAKNyNyckH0tEm/uohTEQ5E7eKJluLjpym6I/VxlcKS2mX5+k3c+6SvwU5W9a fQipbH8W11+4Mf3/HgGho4bzLMQOdkpAgBDPqMSkIshxhiRZrd5FQI1+eO7UHURqf X-Gm-Gg: AYBFou06nr8H3Xkxc5wV+wYcv+z8KQE5GsoIiNDL1OA0GJdlClcwT28zYrjsgXBVBrR Y50iZAJQJeJLGpCP/CLNzpvFOwoUirIMPghzDJL3A0l9HTMIr19cQIlZdP0J0nOJCulTmrb422R AUGvBSNNNSEaJKBXLoWEVWT6fVG00QAsJBXkr790C5Kh64fdH7QvHnqQVeMmo21MGAV8RkqIR1S ENOB+Xy+4/PlD/S90efzLd1mtbSa5ZCIP2+wNoytFu++4UAQgsJRgpdaYL+aBvuAUjftIxuzWH9 HL4IA/7C/P1phJjikEibbvQtIloCB7PYRVsttleYtZL2Pi0U3mmCXCaSNkPypjfyEfaxlWQ9pFo 971QdIV3/YuRauEB5aQna6AAcTiBnmLwxvyVJ20DWn5H+pXfrOKDjurPuhj3VKxTfwAo05g== X-Received: by 2002:a05:6a20:258f:b0:3d3:aec2:4dc9 with SMTP id adf61e73a8af0-3dd8c44eb2amr2685971637.21.1789706435215; Thu, 17 Sep 2026 21:40:35 -0700 (PDT) X-Received: by 2002:a05:6a20:258f:b0:3d3:aec2:4dc9 with SMTP id adf61e73a8af0-3dd8c44eb2amr2685942637.21.1789706434812; Thu, 17 Sep 2026 21:40:34 -0700 (PDT) Received: from ?IPV6:2406:b400:f14:c5fb:598d:4fca:aadc:2eb6? ([2406:b400:f14:c5fb:598d:4fca:aadc:2eb6]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-144ce065314sm1354633c88.14.2026.09.17.21.40.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 17 Sep 2026 21:40:34 -0700 (PDT) Message-ID: <3ddb920b-1d9f-4ec3-98a2-3477f845c145@oss.qualcomm.com> Date: Fri, 18 Sep 2026 10:10:19 +0530 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 2/2] clk: qcom: Add LPASS VA CSR heartbeat pulse clock To: sarath.ganapathiraju@oss.qualcomm.com, andersson@kernel.org, abelvesa@kernel.org, sboyd@kernel.org, bmasney+clk@redhat.com, jbrunet+clk@baylibre.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, srinivas.kandagatla@oss.qualcomm.com Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260917-master-v8-0-823d2c5d090a@oss.qualcomm.com> <20260917-master-v8-2-823d2c5d090a@oss.qualcomm.com> Content-Language: en-US From: Prasad Kumpatla In-Reply-To: <20260917-master-v8-2-823d2c5d090a@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: um8YSxG32IiQnFBxNTS0PNSBv7tiWK4Q X-Authority-Analysis: v=2.4 cv=YcYodARf c=1 sm=1 tr=0 ts=6aacc0c4 cx=c_pps a=oF/VQ+ItUULfLr/lQ2/icg==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=Y4doX2lIe-IihnvZzhwA:9 a=QEXdDO2ut3YA:10 a=3WC7DwWrALyhR5TkjVHa:22 X-Proofpoint-ORIG-GUID: um8YSxG32IiQnFBxNTS0PNSBv7tiWK4Q X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTE4MDA1OSBTYWx0ZWRfX1Igc9A1IWkVL IOdzV3Ct7cu0WwUHPiRvnVxtzm/NCVk1/Z1g9XTtkOdahSg91uCWqMN8Dkdk0+U5uVlkbtVvtXj j8qvwNlvslDh/TFpxYu9HAyqPPlpF251kZz+FgObm/JiHIiNsBlW3TfbmVStySaeZCrjW13hmir OWWoVa2tKEmcx4cZDn+aaKHYRjZR8HK/SCrdEXxnG3Q8DUOpDQMTs9JNoHqBNHYvGhCZXjnEZtb sfco9x4QR+fezxBWNs/pny3DRs5zomoraQOqzCcavOtZRLVlofjkIclaE/xY/bmP6i1uLDPyEs1 +0Xcm8Sm5U4BrKsAFzKVB7Hsl1QezydJELnHV/AkQvtAmUxZSftX3KioNbdvknvohpGNF6sloMc RZi9hBKARx3BvIQQyGVYnIGcuUMCiSiza0P0Xr/zim3Vls13gANIPDuGkwwEJnXfuVFjvPpmRHt xGa0kBrQQHeMB4oEMyw== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTE4MDA1OSBTYWx0ZWRfXxyxiFdKExg2S fYBXeL/17OShQ9iQ45HqW3qPDjS5ARwYJSrUcofCiFENuisvRiur/aavfKgW619jGnUDbmDWuqA 6l53iXVVoDVQwIkWF4ixzjXEjZ2WVBo= 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=2026-09-18_01,2026-09-16_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 spamscore=0 suspectscore=0 phishscore=0 clxscore=1015 bulkscore=0 priorityscore=1501 lowpriorityscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609180059 On 9/17/2026 7:27 PM, Sarath Ganapathiraju via B4 Relay wrote: > From: Sarath Ganapathiraju > > The HeartBeat Pulse, also known as RateGen Pulse, synchronizes the > start of DMAs and Codec Interfaces for the audio usecases and can > serve as a periodic wakeup source for the DSP. > > Add the LPASS VA CSR driver that models the rate generator as a clock > provider so it is enabled and disabled automatically alongside the > other clocks during runtime PM resume and suspend. > > Attach the DT vote clocks to runtime PM and resume the device before > programming the rate generator registers, so register accesses happen > only after the LPASS votes are active. > > Signed-off-by: Sarath Ganapathiraju Validated on Hawi and Maili platforms for WCD-Headset playback. Reviewed-by: Prasad Kumpatla Tested-by: Prasad Kumpatla Thanks, Prasad