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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b9b7b1e4395sm261709466b.44.2026.03.30.03.05.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 30 Mar 2026 03:05:02 -0700 (PDT) Message-ID: <30aac663-2483-4cf6-9376-ed9508d62997@oss.qualcomm.com> Date: Mon, 30 Mar 2026 12:04:59 +0200 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 v4 3/4] thermal/qcom/lmh: support SDM670 and its CPU clusters To: Richard Acayan , "Rafael J. Wysocki" , Daniel Lezcano , Zhang Rui , Lukasz Luba , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Amit Kucheria , Thara Gopinath , Bjorn Andersson , Konrad Dybcio , linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org References: <20260328014041.83777-1-mailingradian@gmail.com> <20260328014041.83777-4-mailingradian@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260328014041.83777-4-mailingradian@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: OYw6e1xTfGoEPl_PDROjaBjniIkcCEkj X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzMwMDA3OCBTYWx0ZWRfX9G4IIF9tyxh2 3t4rZ2t0cnSxnxBg6QUI4tTsEU93gF0LgXssI708FpZ2Vu6Zyy/3p++NOhmKrnewxguI61McHop 7xYfJT8misahR+wXA8E67KAsIopQxF8+EMbMMUeGSvo41ORlsJDp1SaMwac0YZ2D7q4U9C2UimL o0mJ6BGZe84emOVwLARUgNZ4gqY3NHpX5w7bztFLrWeKKJfpK9Xo3A+na1UBI1816doVtRqu2Hq 4UZ9NblmE9T74H0CzOfXA3kMbUYjLF1rm5S6t6qLYgZ/xQp5KJEZomZDLIiu95HiMMnjojBRfZO kelAlrodMuDKPNNpWPKgco4wa+QKPfmTprQx7v+eLhODrgYprcF6HQL4110dpzD/cbdULbO6HZh Cy3aiydyK26eBeyEUWdj2Zs6YOVvhCnVVPOpv37uZMICo3LCEqqlX28qRoNSXt6+LM3uI1vYMAe LnsXmS3tdEAPeLwYGMg== X-Proofpoint-ORIG-GUID: OYw6e1xTfGoEPl_PDROjaBjniIkcCEkj X-Authority-Analysis: v=2.4 cv=S9rUAYsP c=1 sm=1 tr=0 ts=69ca4ad0 cx=c_pps a=wEM5vcRIz55oU/E2lInRtA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=pGLkceISAAAA:8 a=lVURl5kSPPj-3T30F2AA:9 a=QEXdDO2ut3YA:10 a=OIgjcC2v60KrkQgK7BGD:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-29_05,2026-03-28_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 clxscore=1015 adultscore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 phishscore=0 priorityscore=1501 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603300078 On 3/28/26 2:40 AM, Richard Acayan wrote: > The LMh driver was made for Qualcomm SoCs with clusters of 4 CPUs, but > some SoCs divide the CPUs into different sizes of clusters. In SDM670, > the first 6 CPUs are in the little cluster and the next 2 are in the big > cluster. Define the clusters in the match data and define the different > cluster configuration for SDM670. > > Currently, this only supports 8 CPUs and tolerates linking to any CPU in > the cluster. > > Signed-off-by: Richard Acayan > --- > drivers/thermal/qcom/lmh.c | 69 +++++++++++++++++++++++++++++++------- > 1 file changed, 56 insertions(+), 13 deletions(-) > > diff --git a/drivers/thermal/qcom/lmh.c b/drivers/thermal/qcom/lmh.c > index 3d072b7a4a6d..46c1e301f6c8 100644 > --- a/drivers/thermal/qcom/lmh.c > +++ b/drivers/thermal/qcom/lmh.c > @@ -30,14 +30,17 @@ > > #define LMH_REG_DCVS_INTR_CLR 0x8 > > -#define LMH_ENABLE_ALGOS 1 > - > struct lmh_hw_data { > void __iomem *base; > struct irq_domain *domain; > int irq; > }; > > +struct lmh_soc_data { > + bool enable_algos; > + u32 node_ids[8]; u32 clus1_start_idx or something similar denoting the first CPU index in the second cluster? Konrad