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Wed, 29 Apr 2026 08:09:20 -0700 (PDT) X-Received: by 2002:a05:6808:14c5:b0:467:de0e:feb6 with SMTP id 5614622812f47-47c3d96ee0bmr2047563b6e.11.1777475359694; Wed, 29 Apr 2026 08:09:19 -0700 (PDT) Received: from [192.168.1.29] ([178.197.219.94]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-447b4216675sm6501075f8f.11.2026.04.29.08.09.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 29 Apr 2026 08:09:18 -0700 (PDT) Message-ID: Date: Wed, 29 Apr 2026 17:09:16 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/3] interconnect: qcom: Make important drivers default To: Konrad Dybcio , 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> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzysztof.kozlowski@oss.qualcomm.com; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI5MDE1MSBTYWx0ZWRfX1KFPHqYbMyNF 5Ea/ZToli5L4vC+2bMlA0A21qaC8a/cjhUEtDJ2fufuh+6yaJi8MYAjjUUSEpv+HiFgmh98H/oJ oiwTOkTU0wgb7gzuYXbOrPC2vcW3dYiPQfMdQhkTFJWqKn7qs4Ao1DIqsFLOUapOA3hc0VVkuVR /mqPPGuh+BJUFunlAblhrG1FUz2jRkwfnwVbjeNc3VvFf1IYNeYDCWS1kO/F3cpQ58a/DK2KhHx EA2OcSBh40CApNqSbvmsm5TVGr/TZFqIIqUtJBDkOQg+RrWPOASnOJ9EZq51oEzncLLvPU1fSuR +EueLUkirwND6pEy9Fh/+5L3F8qSofiy3HCr13IDywOWirXTO4apXBKmB2nwyqNYCGBJ21pfqdn JjuFusabTDRyOWpk1o2Ta74pUhxJ8NhBzJtOrp1WppL/2bCC77iElu6bcJsBC/jfpHsAoUDXyCJ 2HlcEQATlRiBckb59YA== X-Proofpoint-GUID: XiSr9ZnLaEiE05i8Z44Eep3YgaNKgpZS X-Proofpoint-ORIG-GUID: XiSr9ZnLaEiE05i8Z44Eep3YgaNKgpZS X-Authority-Analysis: v=2.4 cv=CL4amxrD c=1 sm=1 tr=0 ts=69f21f20 cx=c_pps a=AKZTfHrQPB8q3CcvmcIuDA==:117 a=gOEeR9iKwsj33Yj5oN/cWg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=XT8seR4E2Wfhm39xuMUA:9 a=QEXdDO2ut3YA:10 a=pF_qn-MSjDawc0seGVz6:22 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=2026-04-29_01,2026-04-28_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 phishscore=0 adultscore=0 suspectscore=0 lowpriorityscore=0 impostorscore=0 spamscore=0 clxscore=1015 malwarescore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604290151 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260429_080922_516168_74AB1379 X-CRM114-Status: GOOD ( 15.69 ) 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 29/04/2026 11:23, Konrad Dybcio wrote: > 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) So the few of them should not be a module? That's what you want to say? Best regards, Krzysztof