From nobody Tue Feb 10 01:31:10 2026 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 C2C5F3126D6 for ; Fri, 6 Feb 2026 17:42:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770399721; cv=none; b=kxMnCvXpvX2+azNUsmDV37ugXjEHMgvSDJFmP8SET/hEQBvDFWfzCoS2o6hlq/O2XGmtW7nUnO+a/Mi7yYG29inuv102g2Q6RGcT7IBJrvnBoeHcxzrgqvHYDLGhaVIV4PuKM/yFK2MOpJPSq//5X28StiHlYzsGV2xa7R8AbKE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770399721; c=relaxed/simple; bh=YvDpB7qQYZYVOQXO85zT2NahDMXsH90zbRqny+QJ8yM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=oPdMba7oiuUKeEkcDDdTAB4a7z6dth1URDqtgFNJGUWE/gOyUjitk9EOqgZbVxGhBH3c5IhByaYtVSpNg9nx/RRpeq4KyLHj0APkLdqPNxLRcG6Fw7ykJeAQWzN9N0pNIcbcpF5GzVzExx8TeDFV587u8Kh55Gfn+sEumZeYC+g= 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=ZQWxAZP0; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=iii8MRWV; arc=none smtp.client-ip=205.220.168.131 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="ZQWxAZP0"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="iii8MRWV" Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 616FSh3p4041993 for ; Fri, 6 Feb 2026 17:42:01 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=qcppdkim1; bh=kKXwW780GCF A4P65AgkdepAec9RfmiOIRknJ6nGTg7I=; b=ZQWxAZP0koHBDPLSKgclgZp8riw frHqIU9vF7WrB/at3EInHp4hh5mn8FzS6COVVr6h9p7xpqX4ExSkw9QAWdsBtFn2 YkZVw9cvZiHAbxC6EdaziPWrnpDXtNYDgQ6VQTI0OLWjFGOlF/97kpJoNKgREavQ UDu+IlX+4NX6zey0XaI7JnZlzTMIRLTLfJRHOzhI4sjVIfXemMZHJjdN/PcH08J8 O8IKVXjHdUK7PTpbPQnwLL1wblPnZDix9efWmQVDtybnQStO9mBY7MvIfL14KFOe adLTM/uIIqbQgI4/6qVoYQ+1hZthFTpwBXSkzZFhgRTSGOU+aehd5yO/d+A== Received: from mail-pg1-f198.google.com (mail-pg1-f198.google.com [209.85.215.198]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4c5c2w1u3q-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Fri, 06 Feb 2026 17:42:01 +0000 (GMT) Received: by mail-pg1-f198.google.com with SMTP id 41be03b00d2f7-c52d37d346dso1454830a12.3 for ; Fri, 06 Feb 2026 09:42:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1770399720; x=1771004520; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=kKXwW780GCFA4P65AgkdepAec9RfmiOIRknJ6nGTg7I=; b=iii8MRWV2Y5HP1he40oV2QrmG9L4R6szsIJK15VUs7orSS6XOuBWCkaf6BzNElP7ru rexIDI2urTeNy0SuM8pMbYm+c7WA0lmh3odYE9nSxBDNssTiQ36yk/lnp3MsSQNIRtGo 14KeOVqyAH9iKCyAE28UJDblfYyOFmgX7jRQ17PBnW8RYyMB0N2bmZkj7czGNuLA5AtD ORopEDjhdvh/olIZ9N5YMOEQfygNg4pPhpOllI7uZnoGUh0Ba7vSBD0oaIzkZqacAlzb F+DE8D7/wk69u8poz8Jd2I0z6Nej3mLC7Nc5My0sMwIH4kaBaIR6LRkwmTzXxGlC5bGs WVag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770399720; x=1771004520; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=kKXwW780GCFA4P65AgkdepAec9RfmiOIRknJ6nGTg7I=; b=kB1TDe2pvZ4YQfE541PZPx4froP9WzSuJyCGxL8zluoigYtLK2BehXhY3fGN8UvWfq j4GXq8dFMNoSeIAv/2xV6/IuwQMxoJLN3r1k1yqU0rQ7fpRLHLV/0jOG4XLq8Bak4b/i lHc8d0I787JxO9GK/geGUu5Pjw8zCQ7A7pjByJ9bpNtrlWSgwxl+8GB3m2TKFwZX2yyp lwlNJYEf7S7Erx+evzpmnAsShhT1MQIMUD7+8JVhMW5PAukUDrUgsRwEBdPCHO6iAhn9 iloi+ARgri4JWADoMPdZj7EUWX80mLPuKuig/IWckMObSn5PlFylEBP69f7DvHkaryZr qpOg== X-Forwarded-Encrypted: i=1; AJvYcCX81+mPc5FHw40e6nrwi8yq1heN1+5bOiJUZJJ4uIPzSubweAvP601zj1OWSnc7Tu7Om8PlIQqN9grQj8g=@vger.kernel.org X-Gm-Message-State: AOJu0Yzhca9gn6TP32GsKkrpwLVrtMBY28n/IN+icDa/bqKhnS0++Lg4 cKhetDY+QYqAaqwY6AkiOLhHGdwMxNFvkvPT8lb4kDc6N3oiE5aMgw8lKD+GNq2ZY8FxP+NLbTm GhUchQxeaZWjDGcAtTrkfoSDmSQnRRGc3XI5OBz7hzwO3hWjlzXeilQym1OBg1vcYNvk= X-Gm-Gg: AZuq6aLC/F1rS+PROEtXhOlQdoe0BJhnHUsEqrB/YLAwTbRBMogUC64gel3EJ4nQDFa 5+w7ouvDn7HprfKStpoVIG57fsO9NjjgfSk0g/pr698WoPJjTNuE69nLnH8tLikixNY4rKexEdU iT7SWx9hj2iz0xiG8Lm6PFfgXJ9hfQiCi4hHZLMLOseKC6zryxx+7EgjMFeH7B+T7lKO/LZOlPf NIXR0Y7ErPOMW1sjn3vXQ6fVA/5gpo7ZEIe2jQ/vuKjkKpxVU+h29TlDK+jPxmf9zQHDIMp+vDo 4BSOIn/abvLq+JpV3R+2FkiMiYETAo52HD6DNqC3NJik6G2RQupuEwwgvGZNRvBPfdUsBEoe89H oVICUK0RPS7Eb+VCEF1UKpehFdDOSW5p71TjE7R7wGeQ= X-Received: by 2002:a05:6300:2206:b0:366:14af:9bd2 with SMTP id adf61e73a8af0-393ad3a27aamr3800630637.72.1770399720274; Fri, 06 Feb 2026 09:42:00 -0800 (PST) X-Received: by 2002:a05:6300:2206:b0:366:14af:9bd2 with SMTP id adf61e73a8af0-393ad3a27aamr3800600637.72.1770399719672; Fri, 06 Feb 2026 09:41:59 -0800 (PST) Received: from hu-ptalari-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c6dcb5eccbdsm2639387a12.19.2026.02.06.09.41.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Feb 2026 09:41:59 -0800 (PST) From: Praveen Talari To: Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mukesh Kumar Savaliya , Viken Dadhaniya , Bjorn Andersson , Konrad Dybcio , Praveen Talari , linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, bjorn.andersson@oss.qualcomm.com, dmitry.baryshkov@oss.qualcomm.com, konrad.dybcio@oss.qualcomm.com Cc: prasad.sodagudi@oss.qualcomm.com, quic_vtanuku@quicinc.com, aniket.randive@oss.qualcomm.com, chandana.chiluveru@oss.qualcomm.com, jyothi.seerapu@oss.qualcomm.com, chiluka.harish@oss.qualcomm.com Subject: [PATCH v5 05/13] soc: qcom: geni-se: Add resources activation/deactivation helpers Date: Fri, 6 Feb 2026 23:11:04 +0530 Message-Id: <20260206174112.4149893-6-praveen.talari@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260206174112.4149893-1-praveen.talari@oss.qualcomm.com> References: <20260206174112.4149893-1-praveen.talari@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjA2MDEyOSBTYWx0ZWRfX8R7Fm2WWouSQ gnYlFrIoCTIrgdPxsWME/4u2EzyW6lOPc6GPDl6rcw6Sd3+jSqemHxLaWqDJvIjrWXfagYduapH 61i5iaS74c9m01krhfqK5o005HQPuzHRmFdaRWkfIbCivUQXIiIgDkzIl+Soso+7OYvX81ROwcw GXyAgmyLr8kp8/ZBYEjIrs5IfYHp2V2YbvTKAjUPTc+s/tJJgMWyBj1oBvTVR4f/95WgoT25+GI a8U59p9K5Pe6xgFvS0B5DAkDbKKSZZ00Hod4zxsTjrtJ4UvP7BBjyczEBX3FXO41TJpnXaXQBDB h1em0DoYElGTc3grZC3YlHoSr28UApXwqbunOjBvq+s10N31qFzoakOJagB1FbqUqzxvcAfLkJb hSVIlzT6nyeOmDR5Co0/XPVc6ixTqQkqR7cF6iZLmu0kfGIs5uCJEP3Q8OTnJiFMZwgzso9ZMdo QCu89JwNjDJ2x5B+W4Q== X-Authority-Analysis: v=2.4 cv=Wtom8Nfv c=1 sm=1 tr=0 ts=698627e9 cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=EUspDBNiAAAA:8 a=KBRiQYpxJDLEvAb9SdYA:9 a=x9snwWr2DeNwDh03kgHS:22 X-Proofpoint-GUID: Ta7Cmpu4R4qr0qU7j8zf6UxymzX2ztGG X-Proofpoint-ORIG-GUID: Ta7Cmpu4R4qr0qU7j8zf6UxymzX2ztGG X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-06_05,2026-02-05_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 priorityscore=1501 impostorscore=0 spamscore=0 lowpriorityscore=0 suspectscore=0 malwarescore=0 clxscore=1015 adultscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602060129 Content-Type: text/plain; charset="utf-8" The GENI SE protocol drivers (I2C, SPI, UART) implement similar resource activation/deactivation sequences independently, leading to code duplication. Introduce geni_se_resources_activate()/geni_se_resources_deactivate() to power on/off resources.The activate function enables ICC, clocks, and TLMM whereas the deactivate function disables resources in reverse order including OPP rate reset, clocks, ICC and TLMM. Signed-off-by: Praveen Talari --- v4 -> v5 Konrad - updated return value as 0 for geni_se_resources_activate(). v3 -> v4 Konrad - Removed core clk. v2 -> v3 - Added export symbol for new APIs. v1 -> v2 Bjorn - Updated commit message based code changes. - Removed geni_se_resource_state() API. - Utilized code snippet from geni_se_resources_off() --- drivers/soc/qcom/qcom-geni-se.c | 67 ++++++++++++++++++++++++++++++++ include/linux/soc/qcom/geni-se.h | 4 ++ 2 files changed, 71 insertions(+) diff --git a/drivers/soc/qcom/qcom-geni-se.c b/drivers/soc/qcom/qcom-geni-s= e.c index 2e41595ff912..4bd4fce33ea4 100644 --- a/drivers/soc/qcom/qcom-geni-se.c +++ b/drivers/soc/qcom/qcom-geni-se.c @@ -1025,6 +1025,73 @@ int geni_icc_disable(struct geni_se *se) } EXPORT_SYMBOL_GPL(geni_icc_disable); =20 +/** + * geni_se_resources_deactivate() - Deactivate GENI SE device resources + * @se: Pointer to the geni_se structure + * + * Deactivates device resources for power saving: OPP rate to 0, pin contr= ol + * to sleep state, turns off clocks, and disables interconnect. Skips ACPI= devices. + * + * Return: 0 on success, negative error code on failure + */ +int geni_se_resources_deactivate(struct geni_se *se) +{ + int ret; + + if (has_acpi_companion(se->dev)) + return 0; + + if (se->has_opp) + dev_pm_opp_set_rate(se->dev, 0); + + ret =3D pinctrl_pm_select_sleep_state(se->dev); + if (ret) + return ret; + + geni_se_clks_off(se); + + return geni_icc_disable(se); +} +EXPORT_SYMBOL_GPL(geni_se_resources_deactivate); + +/** + * geni_se_resources_activate() - Activate GENI SE device resources + * @se: Pointer to the geni_se structure + * + * Activates device resources for operation: enables interconnect, prepare= s clocks, + * and sets pin control to default state. Includes error cleanup. Skips AC= PI devices. + * + * Return: 0 on success, negative error code on failure + */ +int geni_se_resources_activate(struct geni_se *se) +{ + int ret; + + if (has_acpi_companion(se->dev)) + return 0; + + ret =3D geni_icc_enable(se); + if (ret) + return ret; + + ret =3D geni_se_clks_on(se); + if (ret) + goto out_icc_disable; + + ret =3D pinctrl_pm_select_default_state(se->dev); + if (ret) { + geni_se_clks_off(se); + goto out_icc_disable; + } + + return 0; + +out_icc_disable: + geni_icc_disable(se); + return ret; +} +EXPORT_SYMBOL_GPL(geni_se_resources_activate); + /** * geni_se_resources_init() - Initialize resources for a GENI SE device. * @se: Pointer to the geni_se structure representing the GENI SE device. diff --git a/include/linux/soc/qcom/geni-se.h b/include/linux/soc/qcom/geni= -se.h index c182dd0f0bde..36a68149345c 100644 --- a/include/linux/soc/qcom/geni-se.h +++ b/include/linux/soc/qcom/geni-se.h @@ -541,6 +541,10 @@ int geni_icc_disable(struct geni_se *se); =20 int geni_se_resources_init(struct geni_se *se); =20 +int geni_se_resources_activate(struct geni_se *se); + +int geni_se_resources_deactivate(struct geni_se *se); + int geni_load_se_firmware(struct geni_se *se, enum geni_se_protocol_type p= rotocol); #endif #endif --=20 2.34.1