From mboxrd@z Thu Jan 1 00:00:00 1970 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 85C943DAAAC for ; Thu, 15 Oct 2026 05:14:00 +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=1792041242; cv=none; b=AroItOIzstdwZ57Oj3SNC2Dkdf5oo38yCKJrwQ9jRsktfBtGhqLg8Nlb3kTvWGzo1pdN2mFvPJvNpCHLU3fSvDFN5Z+TB6PtZ7Kpab1TPA0mZh22I5tpovddDDRGG8Nskumen8nPUJPA6yPevNuHznrUjJkfKaW3shdtjIL4R9g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792041242; c=relaxed/simple; bh=1Q3nKA6KNvqRtkmwyNL/Y6jz0H/eCXypkz9DjWJc6Cs=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=HPRI5v/EBrcQTpCrf6ema3vRb/8EsE3yycgzfOEm/ba338o/Jf/KsiN8KHX1UqcXMSRw/kLfkvrfgVc3uaxS37MA15pOXjIEfU7g7W/lkXKgh5npSCAG8rsWiAHZVjXcR2vjyVJ9qLDC/STRL0fmiWLmMfgFRzQsSVs2xEMRrjo= 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=ieuOe3H4; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=OTkzn7kM; 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="ieuOe3H4"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="OTkzn7kM" 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 69F3xBQi1640485 for ; Thu, 15 Oct 2026 05:14:00 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= rcqLN3W0mBzYaprM7xFw8O08UixThBS1YjcY7/7xA3o=; b=ieuOe3H44msy/Bs1 oOmfp5ipRKg8d1FKAnX1CyjOCaOJxhVqSnC7p2iDR/IHpMg+FSLfeGrhBL0LVGJK CGPxxWrd3dAWSd7d/l0qG6XvNWGjvCE82Fr8hxAuG7YoUqWI1VhCPx7CTVy8h0li ttaxt3ZqpgolJI6D1a8jT5GKSU6+wDmplSAm8iuWi75m6iy+kob4vjZCO04yvFsH Pex0/sz3UYcy7xKGdizYa4bTi9RmN0svWEt/PV2DRkMiLZwVSuE8pHk/EjEXNJLY HLmewteVIE0a1mex3L7r67sjq+w8xBoJmwnqt4V0jtQ8mJiyRqj7JzSpIU15CBDX 1IhEbA== Received: from mail-dy1-f198.google.com (mail-dy1-f198.google.com [74.125.82.198]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4haqdhg7q2-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Thu, 15 Oct 2026 05:13:59 +0000 (GMT) Received: by mail-dy1-f198.google.com with SMTP id 5a478bee46e88-3510d0baf63so5529153eec.1 for ; Wed, 14 Oct 2026 22:13:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1792041239; x=1792646039; 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=rcqLN3W0mBzYaprM7xFw8O08UixThBS1YjcY7/7xA3o=; b=OTkzn7kMjN8pZyvwcbd5VdZQB3jeswSgVUqkeHmRbcf3Y/Z1hYA0RPpFyvbKtD3gNw 3Dc1VtQd5LOLgZR6gpqSBnkzRgmd5ZH+7MCd8aRheB933jrS2n22Q/EPtDVsGaYIGvzz 67dYPz6WXSPhaRxBFpsQCMhXMDxzGx6eyVYu9jS1PKL5uKx3NoLju5fq+1VNvsqJUHNK f5bJc42DURPJ3+OQfhd9hUcsosbbxJwjhevZMAvDLbYGSaKJdotU13Ggh/1p7BNiSQ37 lgVYxguosI4nNRsttwZe7Q5pad7tRcFiN5ac/Duwbz5d58Be79ReMxny5q97KZQx5BFz 01kQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1792041239; x=1792646039; 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=rcqLN3W0mBzYaprM7xFw8O08UixThBS1YjcY7/7xA3o=; b=Tc1K/yPdAk3RobQtteY8DVLB/O30+23YF1Are7dvrGOiUIlwz9MvfcmpHObXzu2RXd M3iLhFOmLIBzEe7jBxad+drmHDzWAtnFM+P/umn9DKAk+85lxVqhzG2LqfmiyIkaLZAk qfJz/cZNSmhx0Ez9WRU3SIp/VLBm81ET8kYmjK5NGJ0Tp7E9wE4BddDebi1DPKjmNsvl JItEMBQQH+BnrpRDL1Wn2hWSWVKZgmOYS7+WkZE2g53BJE2QTGKyDFWZj2KfA76GCOjc Y7ke3eCFHVZK3bEp9v2hAYYhflKz7vkWffZscZ8FWmrRaJVNuFbEZYsYDXqEOpevvC8n LctQ== X-Forwarded-Encrypted: i=1; AKwUvBy215R2XxJO36InH75j3uRq65xNjMuk9eiRT7a9QialgqLwRrBfeR9DkcLvlbpcf3aAmbC3FW//tiYEre0=@vger.kernel.org X-Gm-Message-State: AFq9FYKFKejQKiy9mT8f7+cdf208ZeggMKwB4M2oD/DuMAj25Ol7PyHC gEkzxIPwTSmeiz2/Sjf3GLVPJ74ZDrHNHbZUXk1ROfI1cSBKj3fFKksh7xFAjTkcAktDUcTznk3 gUSuqQBQFtlTOszYJqG1HWuRchfWYshBsGUd29gRJEposvM+8r2aoAv3mh479NREH6Wg= X-Gm-Gg: AYBFou23kPmvg00LrCDx3PHYRbN/uUjLsDruyJ6UWtgi7Zsupz0hrro+l5UBvIRUflM peAhDrz48ogw3CAN99GZiR2eBiNA1QwvCf6RRTiFZkZ0LHItMi2WZWQ+DQbQ6pbgd2aMaN3HtIC fCcOCVpS+QRW6ZMwcQDX0HLDXE1f5NfYhGy2SvsqQhC7XchJKC0macqYDfYyrm1KdHqGlHRr69V /6vtKfZ3sIdUVsPmLHDUU9lbWfBF53fYmojiPBvU+oK3cvrkzrrKeRPcl4ok/XLLmU17TLLGH2O UbK7Vm9IBoTyvp4QFuu2qR5WeHTIHmysKCaUhJBAm2o76yOpqIzojWr46RxXeuaoWrKdUbBDu6/ IrJklEtIIwtrZmyOISfBitJoLYvbreoFx X-Received: by 2002:a05:693c:2289:b0:34b:5ab2:e200 with SMTP id 5a478bee46e88-3537e0788bemr33213602eec.14.1792041238941; Wed, 14 Oct 2026 22:13:58 -0700 (PDT) X-Received: by 2002:a05:693c:2289:b0:34b:5ab2:e200 with SMTP id 5a478bee46e88-3537e0788bemr33213570eec.14.1792041238403; Wed, 14 Oct 2026 22:13:58 -0700 (PDT) Received: from [10.217.219.98] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3537cacb61asm62494806eec.21.2026.10.14.22.13.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 14 Oct 2026 22:13:57 -0700 (PDT) Message-ID: Date: Thu, 15 Oct 2026 10:43:50 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 5/9] serial: qcom-geni: Use geni_se_set_rate() for source clock configuration To: Praveen Talari , konrad.dybcio@oss.qualcomm.com, Sudeep Holla , Cristian Marussi , Ulf Hansson , Bjorn Andersson , Konrad Dybcio , Greg Kroah-Hartman , Jiri Slaby , Mark Brown , Viken Dadhaniya , Andi Shyti Cc: chandana.chiluveru@oss.qualcomm.com, arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-serial@vger.kernel.org, linux-spi@vger.kernel.org, linux-i2c@vger.kernel.org References: <20260827-derive_clk_perf_tbl_from_perf_domain_opp_table-v2-0-091697dbeb02@oss.qualcomm.com> <20260827-derive_clk_perf_tbl_from_perf_domain_opp_table-v2-5-091697dbeb02@oss.qualcomm.com> Content-Language: en-US From: Mukesh Savaliya In-Reply-To: <20260827-derive_clk_perf_tbl_from_perf_domain_opp_table-v2-5-091697dbeb02@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDE1MDAyMCBTYWx0ZWRfXyD9AZJF9Von3 ZUavqzHYQD2q65YJSJNfYaFYAVzb/V2iPmVQaOLeTewSEAjflnaKAIJI1OIA7nDyYqbCtfQUVmz lv2Mvom2fV81h+vM6CLX/b1Bt9nQbpD68tGbfc3UJQxusDeJ+Ez0B5iQesgHTRigrbB6NnWyNT9 eZswRDXXla0/K6af7jeMeQQenQuVtQBJaKV8sk+xVl6VqlNjgqkKjDLQ+9fNbPQwBmlNEhVsMpH MqlA0I+49uEYW/XZeTSmA8YR86V7vJjXPWOZVVYzLKPt2/OQOdMraOmsNQSNwM7BDKbYTZ1nxzX edHAcaTCvMV2griO6Os1y5wRs2dHlQP2QR6etVl1sqQFSxqZrNky1gigpqrEO1A0sKC26S8OghC EctCeXbg4TgktzBa71tZriinUwghPSjs2McZle2LJLMVrPgEs/pv7z8e/0Pm/LEhXM67vXA1aLn Td0fVDEQhrWAT29Ifvg== X-Proofpoint-GUID: ibWS6G1TKqanoFcA53Z2IPlVPklehabJ X-Authority-Analysis: v=2.4 cv=DeeCOftW c=1 sm=1 tr=0 ts=6ad06117 cx=c_pps a=wEP8DlPgTf/vqF+yE6f9lg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=QlY0LIaGgR1dm1rbm6YA:9 a=QEXdDO2ut3YA:10 a=ZXulRonScM0A:10 a=bBxd6f-gb0O0v-kibOvt:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDE1MDAyMCBTYWx0ZWRfXz1h1Rek9q0QE YVlINWDAgav3bWns1uz5m2yNYvpo7ws2PM/0fpQAzeprjjqEJDQMbvxjohhBy+5463DNihNp5eV D7ij1wqvt2HwhkX/Lqci3lDIvAE3YXk= X-Proofpoint-ORIG-GUID: ibWS6G1TKqanoFcA53Z2IPlVPklehabJ 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=2026-10-13_01,2026-10-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 suspectscore=0 malwarescore=0 phishscore=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 adultscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610150020 On 8/27/2026 11:29 PM, Praveen Talari wrote: > On the SA8255P platform there is no Linux clock handler for the SE > source clock, so the driver has no way to compute the divider needed > for a requested baud rate. To work around this, firmware instead > exposes the SE HW supported source clock frequencies as OPPs on the > perf domain device. > > geni_se_domain_attach() now populates clk_perf_tbl from > the performance-domain OPP table, allowing firmware-managed > platforms to use geni_se_clk_freq_match(). > > Call geni_serial_set_rate() unconditionally from > qcom_geni_serial_set_termios(), and use geni_se_set_rate() instead of > dev_pm_opp_set_rate() so clock programming is handled centrally by > the GENI core, independent of the underlying clock-control mechanism. > > Signed-off-by: Praveen Talari > --- Reviewed-by: Mukesh Kumar Savaliya