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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35dd36a1d04sm25128122a91.17.2026.04.07.23.06.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Apr 2026 23:06:04 -0700 (PDT) Message-ID: Date: Wed, 8 Apr 2026 14:06:00 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/2] wifi: ath: Use static calibration variant table for devicetree platforms To: Ernest Van Hoecke , Manivannan Sadhasivam Cc: Jeff Johnson , Jeff Johnson , Johannes Berg , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, ath10k@lists.infradead.org, ath11k@lists.infradead.org, devicetree@vger.kernel.org, ath12k@lists.infradead.org, Miaoqing Pan References: <20251114-ath-variant-tbl-v1-0-a9adfc49e3f3@oss.qualcomm.com> <2fd84ab2-2e3e-4d05-add5-17930a35fedf@oss.qualcomm.com> From: Baochen Qiang Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=etfvCIpX c=1 sm=1 tr=0 ts=69d5f04e cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=eKx4iS3zDsI69C-aG7AA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-ORIG-GUID: 96i1MgfJNwBaVGxWAgEFGT7D8xvkLnKf X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDA4MDA1MyBTYWx0ZWRfXwqQ6cZZS7Qyk +LYekMQtGgkj+sMX3KgkzyMTGSCKzAu7vyd9UlScwADXb3LIDet9MJ4wINoYlcskdRnqYJ3KcNq +3g1tEt9ZVlQ2VIQDFIQksL+ZanIYLKoZCdK4CRXJfS0WAiWsiA2/TbrDUjlI+4l24/yaUhGtd/ 6QCIt9UPH1Y5SGrLwHRBo7OW215iP6JDgU+Wr6LZcmRzrQAnsY3qMrmnq7r3eIvenE4hX3WTD9Z KO1ya2AIGWl/XYW3yBbLInyGYvNPVKfC1hgOKKMXdEIj2zBQpeBq8G9GDbQj7aSC/8xo5ZjdNRX nRO6ngP+s5ahOFRtflMyYD8qs/pE0qQNWPhWwvaIo87gQsx0W+kxALAhySpqcblCTSiyQ2IBrEt /GRfOqcEPyf0o+UkmMCOXNupzmCbGZZ668xFToufJBjgD0e8dUBnJ1GL3vMkmBFUtX+Zf74fU0j PTyMqo7IxosIyrsIXjw== X-Proofpoint-GUID: 96i1MgfJNwBaVGxWAgEFGT7D8xvkLnKf 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=2026-04-08_02,2026-04-07_05,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 phishscore=0 bulkscore=0 impostorscore=0 suspectscore=0 spamscore=0 clxscore=1015 malwarescore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604080053 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260407_230609_022928_6F4A3BEB X-CRM114-Status: GOOD ( 23.40 ) X-BeenThere: ath12k@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "ath12k" Errors-To: ath12k-bounces+ath12k=archiver.kernel.org@lists.infradead.org On 11/25/2025 5:57 PM, Ernest Van Hoecke wrote: > On Tue, Nov 18, 2025 at 12:23:20PM +0530, Manivannan Sadhasivam wrote: >> >> ath12k doesn't seem to require a calibration variant. But even if the user >> replaces ath11k chipset with ath10k one, the calibration variant should be the >> same as it is platform specific except for WSI. >> >> - Mani >> >> -- >> மணிவண்ணன் சதாசிவம் >> > > Hi all, > > Jumping in on this thread to ask about how we should handle variants. > > We are using the WCN7850 device with the ath12k driver and received three > board files for this from Silex, signed by Qualcomm. All three support the > same board (SX-PCEBE), where one is the board file to be used for the > US/EU/JP and the other two are one for higher emissions in the UK/CA and > one for lower emissions in the UK/CA. > > Since these are needed for regulatory differences but support the same > board, we were wondering about your views on how to handle that in > mainline. I see that there is no support for the board file selection in > the device tree for ath12k, and that there is some discussion on how to > handle variants in general. We are using a device tree-based setup and no > ACPI. does your machine has different 'model' property for different BDFs ? does the existing ath11k 'calibration' property based mechanism satisfy your requirement? > > Thanks! > > Kind regards, > Ernest