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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: Id0MkCbXaOphNLbG3BVxQMOMcPMrNCUN X-Proofpoint-Spam-Info: AW1haW4tMjYwODEyMDA1NCBTYWx0ZWRfX+cxFGxAHJMkR pQpsJI4aS+rLLMSlZFFuoObg+cl0TVOSbdykT9Sc8Topr/flJsGbk1kC2fHRk1QPdKSl4zJpKj5 K71kP4v+6JS7OyIbrDt1yjNn+WOrLHI= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODEyMDA1NCBTYWx0ZWRfXxBzaXvwQjwPI L661yAwGHkbie7dEP7+FkyDwI51jAjpbf+AYKHgNTuK+JeThGPjN6TNJKScsa3gr41l/1uyf056 OjJ7w3gfhgNOGdNoa7qAt4AsmQsz1pcXxTdTlMfudEqDpFdGWItuxRUomlmBMTLBjzKB7tW7t9n Swc9PkvuViafZ1vu++taSwGKGZGTjb26wmLOteiOrbwFxdccFhbGlQgO5JX/YFvjcnJN3ROXf2+ yL3fWFhs+CCQiNDtlTEUgu/dRYNEP3zPEFQGx81xTbRoSNbTUj8bz80FLOQ4bKTc1nIkZk91UJN Fs2OxpQWs6f7Au3J0lwGSn9nqRG5DUvr/ql5b3tdFJoTHeS0G7BlNsIAG18kosQldvep7KE+Wms jpGHKyo8XrIlhzJNKQx16ufsMWOp4MJE4FKMIn5rINZwebyXWSEZ1/Y1AAmE6UDwCYQrwsiK7FG wpYZnR3D5QaxmsZ676Q== X-Authority-Analysis: v=2.4 cv=Z7Dc2nRA c=1 sm=1 tr=0 ts=6a7c199e cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=dS1doENrTls30Ym8nGUA:9 a=QEXdDO2ut3YA:10 a=ZXulRonScM0A:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-ORIG-GUID: Id0MkCbXaOphNLbG3BVxQMOMcPMrNCUN 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=2026-08-12_02,2026-08-10_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 impostorscore=0 spamscore=0 priorityscore=1501 bulkscore=0 phishscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608120054 On 8/5/2026 1:27 AM, Praveen Talari wrote: > Currently, scmi_pd_set_perf_state() treats a performance state of 0 as > invalid and returns -EINVAL. As a result, devices attached to SCMI > performance domains can report failures when relinquishing their > performance vote. > > The OPP framework use performance state 0 to indicate that no performance > vote is required. For example, dev_pm_opp_set_rate(dev, 0) is commonly > used (by firmware or linux) when a device is runtime suspended. > > A zero performance state does not require any SCMI performance request > to be sent. Treat it as a no-op and return success instead of reporting > an error. > > Signed-off-by: Praveen Talari > --- Acked-by : Mukesh Savaliya