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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-bb9854393c2sm65350766b.36.2026.04.29.02.23.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 29 Apr 2026 02:23:16 -0700 (PDT) Message-ID: Date: Wed, 29 Apr 2026 11:23:14 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/3] interconnect: qcom: Make important drivers default To: Krzysztof Kozlowski , Georgi Djakov , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20260428-interconnect-qcom-clean-arm64-v1-0-e6bc3f7832db@oss.qualcomm.com> <20260428-interconnect-qcom-clean-arm64-v1-3-e6bc3f7832db@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260428-interconnect-qcom-clean-arm64-v1-3-e6bc3f7832db@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: 489TI_f9OvaiWorlGaUKm8xQLPtvH6Sh X-Authority-Analysis: v=2.4 cv=RI6D2Yi+ c=1 sm=1 tr=0 ts=69f1ce06 cx=c_pps a=wuOIiItHwq1biOnFUQQHKA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=V2NSo1CrvwOFa_RsOSoA:9 a=QEXdDO2ut3YA:10 a=XD7yVLdPMpWraOa8Un9W:22 X-Proofpoint-GUID: 489TI_f9OvaiWorlGaUKm8xQLPtvH6Sh X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI5MDA5MyBTYWx0ZWRfX4i5WKvcCKlmx bMcUfDU/hdIA0T04qPOwjOiCvHPVshZqCR4WFmfNjiRAkj9Pjinjwy6EZGE5SrQ6ohrsi4jzudD 3Jb50/bXhLPoKACnzpK2j28yIInet4odmhOzXN/tEqFgtmMsqj8CivrynneAu6blbTkZd1Rh0ln tHL2jFOEZVHvbIouXyx06A6jEjbmZRVrs91hRj09sWlKXiK/GYc0piwa1itNUFNXsaqB4PvPF5H r+ej66hPbbjawyoIN+FZFKQvQTXyVBbWuqCl4zjQ6zR61SwdomcLvjsRd9eaMVvf/iRzVlmtKKe vs02ngryPE97T8GWSJDw0K10+GWvfJg3RvgKCF1OwA3Y9q6PQHsXx20SE4Ph4Hx2cnVoDixyOhp W2/v+V88gd9dcltV4jvAWNCB6CbGV7MUYx468uMsY4eevxTJNT4LEJbZcFbRtRKyX4ZOok8GYkI GNnCoqNyp3Ec9xa4LFw== 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=2026-04-28_05,2026-04-28_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 malwarescore=0 suspectscore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 impostorscore=0 bulkscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604290093 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260429_022319_884569_D2A96463 X-CRM114-Status: GOOD ( 14.03 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 4/28/26 7:32 PM, Krzysztof Kozlowski wrote: > The interconnect drivers for Qualcomm SoC Network-on-Chip are covering a > basic or fundamental SoC feature: bandwidth management between internal > SoC blocks. SoC can boot without these, but power management or > performance will be affected. These drivers do not represent any sort > of buses visible to the board designers/configurators, thus they should > be always enabled, regardless how SoC is used in the final board. > > Kernel configuration should not ask users choice of drivers when that > choice is obvious and known to the developers that answer should be > 'yes' or 'module'. I'd say let's make them all `default ARCH_QCOM` - all of these drivers are required to boot (minus the OSM_L3 driver which is "only" highly desired, so that your CPU's bus isn't heavily bottlenecked) Konrad