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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d7598bfa51sm42590745ad.78.2026.08.31.18.52.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 31 Aug 2026 18:52:40 -0700 (PDT) Message-ID: <5d6fab0d-e31d-4a81-a592-30ee1c6f295b@oss.qualcomm.com> Date: Tue, 1 Sep 2026 09:52:36 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/2] wifi: ath12k: support calibration-variant from device tree To: Andrew LaMarche , Johannes Berg , Jeff Johnson , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-wireless@vger.kernel.org, devicetree@vger.kernel.org, ath12k@lists.infradead.org, linux-kernel@vger.kernel.org, Ernest Van Hoecke References: <20260630133001.1426824-1-andrewjlamarche@gmail.com> From: Baochen Qiang Content-Language: en-US In-Reply-To: <20260630133001.1426824-1-andrewjlamarche@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: LYqwxLS1o-M2Y5WI9zW9jH-cf8tNZxJk X-Authority-Analysis: v=2.4 cv=G9Ms1dk5 c=1 sm=1 tr=0 ts=6a962fea cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=erCTOyO-HGHO-QmL5V4A:9 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-GUID: LYqwxLS1o-M2Y5WI9zW9jH-cf8tNZxJk X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAxMDAxNCBTYWx0ZWRfX7DzqIRRu0EIc Qklj1XO0t/c6vV8XHQKmC6oguad0KPKa+nlbdj3Uvl1b6reHy4lt/KTlpaLo/zxvdic1lo911tH QOCvGWPoPkKRBNIPUVWvJSMHObmZ0Jw= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAxMDAxNCBTYWx0ZWRfX39LWUouae8z7 kSqF2dG32a58kkl6pD0N5xE9pK+o+1A5x9ozXOWWtgUGaesKZo2c/dJNvVeOxBGhI9XpRfOoe5w dnB6XPeaZ8s0t/OaF8MEfe+9a48rrBMtucehouKP5tTcKrkUOAWbgmfGXhy0mSw+c1kF541y6+S F9MhstKSWxqq/el3YjkRXcNLHnBqn13KJqNWbROWV4bnFoa0Xs/s5yEGdWCTVhD4YAuvcci+Ntk ZzMSBtdvMWsxACEXbZ5F2J8wfvNArG1beP+zIIfhVDEEnYXIF4U0v2B1KfT7elhMh4ml/QPMFQm 2YE5+AXBFjQnXfKXdDY0wB66TcOTurqHC68qk5T9XnUKlJFBkOrwxgBPnrV4VeIgsbNMIs/Myf/ KxLonkERN/7b5TDojEsWgj+JilCcGHtKxNhKUCZMEEmm4Ya22MfPKzd027y1mLSfcP/HIPhF2Vd N3m9Anykyt9xZ+39wvw== 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=2026-09-01_01,2026-08-31_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 suspectscore=0 adultscore=0 phishscore=0 malwarescore=0 impostorscore=0 spamscore=0 bulkscore=0 clxscore=1015 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609010014 On 6/30/2026 9:30 PM, Andrew LaMarche wrote: > ath10k and ath11k support reading calibration variants from the device > tree to locate the correct Board Description File (BDF). The ath12k-wsi > binding already describes using qcom,calibration-variant but it is not > implemented in the driver. > > Many ath12k designs expose all the radios under a single phy, each of > which typically require a separate BDF. Without this, the radios may not > come up or will not be calibrated correctly. > > Fix this by parsing the device tree for the generation-agnostic > qcom,calibration-variant. This allows the driver to properly select, > read and apply the correct BDF. > > Signed-off-by: Andrew LaMarche Reviewed-by: Baochen Qiang