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Mon, 24 Aug 2026 13:21:06 -0700 (PDT) X-Received: by 2002:a17:90b:2e4b:b0:38e:7168:281 with SMTP id 98e67ed59e1d1-396464a18c5mr2844738a91.10.1787602865654; Mon, 24 Aug 2026 13:21:05 -0700 (PDT) Received: from localhost ([50.35.46.84]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-327f8e2a730sm30617617eec.0.2026.08.24.13.21.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Aug 2026 13:21:05 -0700 (PDT) Date: Mon, 24 Aug 2026 13:21:02 -0700 From: Jonathan Cameron To: Sudeep Holla Cc: arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel-team@meta.com, Cristian Marussi , Breno Leitao Subject: Re: [PATCH v3 8/9] firmware: arm_scmi: Initialise known ACPI protocol devices and channels Message-ID: <20260824132102.00006822@oss.qualcomm.com> In-Reply-To: <20260813-acpi_scmi_pcc-v3-8-cb6b88b4ebb3@kernel.org> References: <20260813-acpi_scmi_pcc-v3-0-cb6b88b4ebb3@kernel.org> <20260813-acpi_scmi_pcc-v3-8-cb6b88b4ebb3@kernel.org> Organization: Qualcomm X-Mailer: Claws Mail 4.4.0 (GTK 3.24.51; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=Cfg4Irrl c=1 sm=1 tr=0 ts=6a8ca7b2 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=qC1CW/w66vtJz1P9yTJxNA==:17 a=kj9zAlcOel0A:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=WWDN7_Rpj_YlblzOS3IA:9 a=CjuIK1q_8ugA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwODI0MDE3MSBTYWx0ZWRfXzXHh1Ct8IVeb 5LcKAXVBN6d8hLXNsO1DzIWaphu/E/wGjePleHar36OCwMoJBNindBvUrm9WL0LQHBb6gE28g8F kUym2XhXkYkoam7MKHZXfzRInUqfCmI= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI0MDE3MSBTYWx0ZWRfX8QGeHG0b0j+W bZFoalz0HJbvVIYgcc6QB6vsB7EEyvtWwsBp6pZywCYKe2fInGpTl6G9cp8E6u6Zo8HFSFjgKyb 3T5ZSi5BGUNR24v3di03iOzNuJIIktyvSPPMdslRQcuLzkIv8SFZbJtywquTS/gltgTk2GOYGUp 5t44FNvVnp3I6xdxhMJyaziAPX3/vtzHiqXPCb/tZ51Y+6DdCzDaM3tZ2aVOJhV8ELCgIh4eMaB yJxyIUnJgkOuzqXPvYJZcp2NlN5fRnhLIicVLwNUI976JPZlDt5LUl6BzOw5FGxb6oT8AdjlZrC 0Ghj5LJmBD/hJCl9In1Q/1TZUfOc/FhFKgKNmYDGhBA3E7B7masP/8iYJU84zoi791dOSSzE/0u fH70gHAT3B2BSZcVuXBEQe/IaX2Zeg3jC2FFZKcK138PUf+fQCR/iqqvy7Z0293fCtbZZrpr7Ht vF1Iv1CjZh0nxZwrsLg== X-Proofpoint-ORIG-GUID: w43dTKSWe8s5ofCnRA6RnapDIDKoi_ca X-Proofpoint-GUID: w43dTKSWe8s5ofCnRA6RnapDIDKoi_ca 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=2026-08-24_06,2026-08-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 phishscore=0 impostorscore=0 spamscore=0 suspectscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 lowpriorityscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608240171 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260824_132107_366752_93BFE83A X-CRM114-Status: GOOD ( 13.26 ) 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 Thu, 13 Aug 2026 12:33:03 +0100 Sudeep Holla wrote: > Unlike Device Tree, the ACPI SCMI namespace device does not provide > child fwnodes to represent each protocol. Iterate over the non-BASE > entries in scmi_dsd_info_list to initialize their protocol devices and > transport channels. The BASE channel and device are handled by the > common setup path. > > Let the transport channel-availability and SCMI protocol implementation > checks decide which of the known protocols are usable on the platform. > > Signed-off-by: Sudeep Holla Reviewed-by: Jonathan Cameron