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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b9832f8ef74sm467617766b.25.2026.03.23.03.32.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Mar 2026 03:32:35 -0700 (PDT) Message-ID: Date: Mon, 23 Mar 2026 11:32:33 +0100 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 4/9] interconnect: qcom: icc-rpm: allow overwriting get_bw callback To: Dmitry Baryshkov , Georgi Djakov , Konrad Dybcio , Bjorn Andersson , Luca Weiss , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Brian Masney Cc: linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260323-msm8974-icc-v1-0-7892b8d5f2ea@oss.qualcomm.com> <20260323-msm8974-icc-v1-4-7892b8d5f2ea@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260323-msm8974-icc-v1-4-7892b8d5f2ea@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=fKc0HJae c=1 sm=1 tr=0 ts=69c116c5 cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=0-7ZaTWUpwkl6A8NQQIA:9 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-GUID: vCaEn2jl0yUih0YOnMJgv15qrFoah9ux X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzIzMDA4MSBTYWx0ZWRfXy0aJfMadR3wf m0/B1u58pmrzBrFK9bKN2dpgAxfKoUBoyVMlv6DARFafnhtE6ojYrMapaFl5cQAoXR1/a2yAJYc xkGrEDkGOelOlGh3ZnNQKOpsxpmf3YTgyeQ40dz0FIkDsfgakbddnEkWnwlSsW0LpgzZxKDCMEZ bA7Ii73ud1gOZiftTbaFwZwGhtodVk4CbktqHPFvNGpJXNeVivM3/wfsFmmXRQBT6j1CchkaFNR 1vVmfKUJha6t1le9ZwTYL4/E3+RaWjczngcMp2ktxUNzLRmgkdBVeUSdKFNhKCkaabYVTSazx/p vs5fNU6PbVzE6RMra9QNUVzx1JVj4ypjbEUCrCzp9FxIBmDW6QH8wTSCCpTp8/p4EV6SmYfPzQ7 XkjvJK2YYyqr1k7gzu9YGtNgf/VDHhX0lTvZATWtTouc7yQO2/5fdJioHrSzXlqKmA74tf5nRB7 q/ANy4oF5Ls9Norkm1w== X-Proofpoint-ORIG-GUID: vCaEn2jl0yUih0YOnMJgv15qrFoah9ux 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=2026-03-23_03,2026-03-20_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 adultscore=0 bulkscore=0 spamscore=0 suspectscore=0 malwarescore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603230081 On 3/23/26 2:17 AM, Dmitry Baryshkov wrote: > MSM8974 requires a separate get_bw callback, since on that platform > increasing the clock rate for some of the NoCs during boot may lead to > hangs. For the details see commit 9caf2d956cfa ("interconnect: qcom: > msm8974: Don't boost the NoC rate during boot"). Is there a single specific bus where this causes an issue, or is setting *any* resource to INT_MAX problematic? Konrad