From nobody Mon Feb 9 20:59:18 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 042EB387563 for ; Mon, 2 Feb 2026 18:10:29 +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=1770055831; cv=none; b=I4Mv4KwtfhWi7TIN4t++29m2mtTx9oJFo4uqXup/t/iHTDxmTT848ncOtUTY3c2Zwf/d7TMv70xvpLPX1z+YOR2eJOgBfvYJXU5999s7rNrT0KUHPYmH3SMSXFlEjBXGZPyuVFFmDr5JYkdzZzufkOuYh1d2QOMdX7L8fHzKW7A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770055831; c=relaxed/simple; bh=u7ew6qh+piNDH+u5pZnf9q5xI6HsyRCZPq8Bi7+YzDQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=WZmt6VWDdkVc91JZAqydbDv609t1F1zLsw0ydXE3JtaQIJEsrpsjN3qY+62FRMzYY01CrFaAoOh1KEUqspdCo+ZJtI13ptnhcWx+T7zcrNtbrUELaCDb7LzmsGyEQp6n3qoScs5SigepiBhBQ1bjMwKgvABwIvIXKYcuiB/mv9Q= 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=O5xcBR0w; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=DekVAvdZ; 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="O5xcBR0w"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="DekVAvdZ" Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 612CoX2D1033417 for ; Mon, 2 Feb 2026 18:10:29 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=+hhRIcP4ObJ nfpPZ+yGg/UX1gYqSYL8XEGYmg5LvFnk=; b=O5xcBR0wAjBp3Dgl7D/JTcx3+Tu 8jQYYV7X4fhmhLqXdmGRQaIuEpaEe9ocqNvRaqJMISDYrfiVdd9Q0Wo3hsVYKdRk FzMVtBb2JWLjRKUVaJYceBX3Xz96tZUwm12TWGCK8BRL0JLHnNC7fvhO5l8DbI47 z6uadSfP/u3fOnJ8CwmGaQL66S2i1LljdlouXYlFzC/ObBPwxHxjpZqXhklsd0Hk 9ENcu6cg+AQCTeMrhrEi37cahB1RQUSIv4Mz1bh/d1lC6yhXAhn9MsTSHZRnQQwl ts64cmYa2zYIfp7lFGJ0B2WYaOkDSUr9Yx2Ft74xyf98Mj9gkcbI/nGYA9w== Received: from mail-pl1-f197.google.com (mail-pl1-f197.google.com [209.85.214.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4c23h1m732-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 02 Feb 2026 18:10:29 +0000 (GMT) Received: by mail-pl1-f197.google.com with SMTP id d9443c01a7336-2a0b7eb0a56so42918895ad.1 for ; Mon, 02 Feb 2026 10:10:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1770055829; x=1770660629; 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=+hhRIcP4ObJnfpPZ+yGg/UX1gYqSYL8XEGYmg5LvFnk=; b=DekVAvdZOtG5lks5y6Irvnrar7RFL5PdFD6RYdiAZxpIA6FJKrkPI59T4JN+XEnutX HT+UdCKfu6bbOUUdZ/QgzslirqeqBjT9MthihZu0zxvklReRF/rkjr1awl2fu7TBYbEC JZERvPNHL9xYGxVmUM/1uH1pP5oQlLxHwR0/ShI4GAx7+1HGN7Wz4REfKPoq2QW5MAkI ywA4olrQFRdIytcV7CY9hDKxB1UB/Fqo58MwXS9ahabePNnIlR5ha5RPErDSRSomnHj3 RPAPVgwzj65YswUkL8+jKNA9MT7qiz71RCqRdot0T7lZoPoFjQ7VX90xGXro0aNI/27+ rl6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770055829; x=1770660629; 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=+hhRIcP4ObJnfpPZ+yGg/UX1gYqSYL8XEGYmg5LvFnk=; b=XzAAi3UoRgqpKt7ZL9sbQg8Cd8GomhY94rLxSQLxOrYBui1iTl0Csj3rcG1luvX5X5 f9peenO8+gfnQtNwARHGNmQELCXd72e2BeGC08cdcgAKqXGneZY5UMRgpF4sJSN4z3tP BLOsc0tDEwyP0E1HDL7aFd5/dxXXfWjKP1Z9v6MdvPnQK9ojG+Uc6+pe29H7ctf1RRw9 HG0PSm1RA/OMRcbx0/SFeQqIQVs7iYckwWBKaFiFx6YrYVH8AGteyS4XiXoZCIk7dxg0 H0DA73tCvEjtB64Ol7zJMZkVJDTkUS8fGbQo+8ZpUJcx3gLYYjE9EYczyMGttG1oAOmZ sAOQ== X-Forwarded-Encrypted: i=1; AJvYcCVtl0l5BX0guh6cwhh3iiCXNW9rqiPKhAu/qdJVdOAzhJ5ZD4Xu3HHi8r0Vsbo8jTZtjbvFlpRnoga6TO0=@vger.kernel.org X-Gm-Message-State: AOJu0Yww3GAx/hZhWDqPWZ42/n940T8emJnMNAT7hsjDg2yBgSICZkwa NBmakERUMzGGmfor53Bi02/3zx4TtGVmKb38dX5/O1kIdSvbWzVJ+irtClSKyYU6MDvA0367dDg YInIAuks9ztSsVwvcPiAeNUKao+kLRLrpsKX76BAskcOh02NBGp7e9ExjTSYqaN5AiqA= X-Gm-Gg: AZuq6aIUR4cc3nHSz6KoqIm15H2dg4v2+guBWaF9T43JqUQMHwT9tzCLErZyxM7YAx7 CEFG/SfWWNpK9OOR6uRqyVkBoBs1tHrQcLn41zSL6EL2eA/+KatD0XvhL2dIp4Ttz4+4/rQhoK+ w6wGzmMPJ47eQsUdiVl8fppRoqBgzxzZcfdaUCZtmzo3u29lE2C9jmcNaIMdMAsYM+3mpKYn3bQ ncYMMjPntYmOlAB09HXQnHmL9B9SC1Eax51sQ6+5PYTmfuNyFOCzRLs18lBGYMy7JxHFVfJ0DaX EEnkt1y7A0gCBybqSIoC/P3gQUlwJB7Z9ntvz0WzAhbQsNhzns1Cpzgtkixz+L+vAxpaJo0py6R sbv9+m598BwvniFNPo+dpoDj8/56+UPzwz/mq5rfukNo= X-Received: by 2002:a17:903:2c04:b0:269:8d1b:40c3 with SMTP id d9443c01a7336-2a8d7eaadd2mr123033505ad.12.1770055828491; Mon, 02 Feb 2026 10:10:28 -0800 (PST) X-Received: by 2002:a17:903:2c04:b0:269:8d1b:40c3 with SMTP id d9443c01a7336-2a8d7eaadd2mr123033035ad.12.1770055827918; Mon, 02 Feb 2026 10:10:27 -0800 (PST) Received: from hu-ptalari-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82379bfc712sm17476780b3a.40.2026.02.02.10.10.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Feb 2026 10:10:27 -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 Subject: [PATCH v4 07/13] soc: qcom: geni-se: Introduce helper APIs for performance control Date: Mon, 2 Feb 2026 23:39:16 +0530 Message-Id: <20260202180922.1692428-8-praveen.talari@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260202180922.1692428-1-praveen.talari@oss.qualcomm.com> References: <20260202180922.1692428-1-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-GUID: JoYPA72CUC3PvtGvgI2-IDCWFJKxfrEW X-Proofpoint-ORIG-GUID: JoYPA72CUC3PvtGvgI2-IDCWFJKxfrEW X-Authority-Analysis: v=2.4 cv=Fu8IPmrq c=1 sm=1 tr=0 ts=6980e895 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=NwCh5GMA9Nt760FYQHkA:9 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjAyMDE0MiBTYWx0ZWRfXy/TceV2Xklaa OSMESnDCmufG8Pe8exdmYHN5vYIfW6Y+5x8w2JVf9OA1/2PRiXk/WeigpCUdWeko6rPGPHoN259 LWolqFaX9iFtqRCyM3Scy/tFvJj4gj+qAAAWtd2PKoEoEV82YHIGBsNlqmK8dnoQhkB0181iJg+ ZRP47Xn8x6UXwDQgsl8UeXwrVNkncYDjOec4cFq5G2bisNQS2ul0bd0IbGufzT5m6CN7dTuA+rx NJkaA+ha0gmXPioz5u1NSbqNv5YUfhJMg7J4hJp5Wa+0PY7kaMIYGUlSUwOcGpm3YP/35IkVx6A LT+2D3aeA/DoiNS9Dtz32q+wKokaeqxrTPWldoqAAg64UD9bueM/kZK9c7I+aEMkcOqNmA16DEu nbpVxAaekCef2woYRTijUZxwzihnhBpa1xAm8Vf4wihIhPcW2y4R8e+NIUmULyPtojYQ9o4YmYa odYwLWlouspjv2cZTVA== 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=2026-02-02_05,2026-02-02_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 clxscore=1015 suspectscore=0 bulkscore=0 malwarescore=0 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-2602020142 Content-Type: text/plain; charset="utf-8" The GENI Serial Engine (SE) drivers (I2C, SPI, and SERIAL) currently manage performance levels and operating points directly. This resulting in code duplication across drivers. such as configuring a specific level or find and apply an OPP based on a clock frequency. Introduce two new helper APIs, geni_se_set_perf_level() and geni_se_set_perf_opp(), addresses this issue by providing a streamlined method for the GENI Serial Engine (SE) drivers to find and set the OPP based on the desired performance level, thereby eliminating redundancy. Signed-off-by: Praveen Talari --- drivers/soc/qcom/qcom-geni-se.c | 50 ++++++++++++++++++++++++++++++++ include/linux/soc/qcom/geni-se.h | 4 +++ 2 files changed, 54 insertions(+) diff --git a/drivers/soc/qcom/qcom-geni-se.c b/drivers/soc/qcom/qcom-geni-s= e.c index d80ae6c36582..2241d1487031 100644 --- a/drivers/soc/qcom/qcom-geni-se.c +++ b/drivers/soc/qcom/qcom-geni-se.c @@ -282,6 +282,12 @@ struct se_fw_hdr { #define geni_setbits32(_addr, _v) writel(readl(_addr) | (_v), _addr) #define geni_clrbits32(_addr, _v) writel(readl(_addr) & ~(_v), _addr) =20 +enum domain_idx { + DOMAIN_IDX_POWER, + DOMAIN_IDX_PERF, + DOMAIN_IDX_MAX +}; + /** * geni_se_get_qup_hw_version() - Read the QUP wrapper Hardware version * @se: Pointer to the corresponding serial engine. @@ -1093,6 +1099,50 @@ int geni_se_resources_activate(struct geni_se *se) } EXPORT_SYMBOL_GPL(geni_se_resources_activate); =20 +/** + * geni_se_set_perf_level() - Set performance level for GENI SE. + * @se: Pointer to the struct geni_se instance. + * @level: The desired performance level. + * + * Sets the performance level by directly calling dev_pm_opp_set_level + * on the performance device associated with the SE. + * + * Return: 0 on success, or a negative error code on failure. + */ +int geni_se_set_perf_level(struct geni_se *se, unsigned long level) +{ + return dev_pm_opp_set_level(se->pd_list->pd_devs[DOMAIN_IDX_PERF], level); +} +EXPORT_SYMBOL_GPL(geni_se_set_perf_level); + +/** + * geni_se_set_perf_opp() - Set performance OPP for GENI SE by frequency. + * @se: Pointer to the struct geni_se instance. + * @clk_freq: The requested clock frequency. + * + * Finds the nearest operating performance point (OPP) for the given + * clock frequency and applies it to the SE's performance device. + * + * Return: 0 on success, or a negative error code on failure. + */ +int geni_se_set_perf_opp(struct geni_se *se, unsigned long clk_freq) +{ + struct device *perf_dev =3D se->pd_list->pd_devs[DOMAIN_IDX_PERF]; + struct dev_pm_opp *opp; + int ret; + + opp =3D dev_pm_opp_find_freq_floor(perf_dev, &clk_freq); + if (IS_ERR(opp)) { + dev_err(se->dev, "failed to find opp for freq %lu\n", clk_freq); + return PTR_ERR(opp); + } + + ret =3D dev_pm_opp_set_opp(perf_dev, opp); + dev_pm_opp_put(opp); + return ret; +} +EXPORT_SYMBOL_GPL(geni_se_set_perf_opp); + /** * geni_se_domain_attach() - Attach power domains to 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 5f75159c5531..c5e6ab85df09 100644 --- a/include/linux/soc/qcom/geni-se.h +++ b/include/linux/soc/qcom/geni-se.h @@ -550,5 +550,9 @@ 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); =20 int geni_se_domain_attach(struct geni_se *se); + +int geni_se_set_perf_level(struct geni_se *se, unsigned long level); + +int geni_se_set_perf_opp(struct geni_se *se, unsigned long clk_freq); #endif #endif --=20 2.34.1