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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ba455046223sm1097310966b.49.2026.04.27.03.30.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Apr 2026 03:30:54 -0700 (PDT) Message-ID: <5522e3fb-4140-4c64-9ff4-f0897b85cfaf@oss.qualcomm.com> Date: Mon, 27 Apr 2026 12:30:51 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/2] mailbox: qcom-cpucp: Add support for Nord CPUCP mailbox controller To: Shawn Guo , Jassi Brar Cc: Sibi Sankar , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , Dmitry Baryshkov , Bartosz Golaszewski , Deepti Jaggi , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20260427005236.230106-1-shengchao.guo@oss.qualcomm.com> <20260427005236.230106-3-shengchao.guo@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260427005236.230106-3-shengchao.guo@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: muZG4he8kiXkd-PcSXnNBMlifpWqud1u X-Authority-Analysis: v=2.4 cv=H67rBeYi c=1 sm=1 tr=0 ts=69ef3ae0 cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=yOHyN-RScyqsYvXzJDoA:9 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI3MDExMSBTYWx0ZWRfXzbVt/Zj+oeWv 0wguajp5YI+REuA2L537VBeBsRJJcv8g+2vEkOgAypBCAPsDN4veb1W5DFkhHBKIAROBd9d+rST 1k+77j+wbp21IY+8QiwePUmEQMTDQPQXdLjN/spbo5q/+0c1dao2gKnh7VF7xCAs1jaGUFXuDkS /TwGpuh+tcVHdVZ3VLGnc4rWU5u6nh0Cpt2l9EtH/NMNzFLH0Ia8tP+1/XtyYQXpwgxeeQEdnkE mvSktk4iOrFAPj7XoI1TpSwYeDahp8kDn5scQCufwxQ1UI7+M0ylg66vE6F6zyRFMxUPNdiXToE w+0AUdgwWyWp6lD3oEGHuUToAnNHeS1ErejLN2irdBJDSItE9MkP99YLnHPe08r/MH+GNP47iH8 IFggp+4dH9PbJU8LGR7pZQ8ncHrvbXycD3nNxmXCczdPzmuOBQEJ/9DTeN3l8OCcgKZU0onwy3k gJJyw14ha+2nr7MAvAQ== X-Proofpoint-ORIG-GUID: muZG4he8kiXkd-PcSXnNBMlifpWqud1u 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=2026-04-27_03,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 bulkscore=0 adultscore=0 suspectscore=0 phishscore=0 priorityscore=1501 spamscore=0 impostorscore=0 clxscore=1015 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604270111 On 4/27/26 2:52 AM, Shawn Guo wrote: > From: Deepti Jaggi > > The Nord SoC CPUCP mailbox supports 16 IPC channels, compared to 3 on > x1e80100. The existing driver hardcodes the channel count via a > compile-time constant (APSS_CPUCP_IPC_CHAN_SUPPORTED), making it > impossible to support hardware with a different number of channels. > > Introduce a qcom_cpucp_mbox_data per-hardware configuration struct that > carries the channel count, and retrieve it via of_device_get_match_data() > at probe time. Switch the channel array from a fixed-size member to a > dynamically allocated buffer sized from the hardware data. Update the > x1e80100 entry to supply its own data struct, and add a new Nord entry > with num_chans = 16. > > Signed-off-by: Deepti Jaggi > Signed-off-by: Shawn Guo > --- Reviewed-by: Konrad Dybcio Konrad