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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-352678af047sm16997295a91.10.2026.01.21.01.51.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Jan 2026 01:51:05 -0800 (PST) From: Miaoqing Pan To: jjohnson@kernel.org, johannes@sipsolutions.net, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: ath11k@lists.infradead.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, jonas.gorski@gmail.com, krzk@kernel.org, Miaoqing Pan Subject: [PATCH v4 ath-current 1/2] wifi: ath11k: add usecase firmware handling based on device compatible Date: Wed, 21 Jan 2026 17:50:54 +0800 Message-Id: <20260121095055.3683957-2-miaoqing.pan@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260121095055.3683957-1-miaoqing.pan@oss.qualcomm.com> References: <20260121095055.3683957-1-miaoqing.pan@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Authority-Analysis: v=2.4 cv=Jv38bc4C c=1 sm=1 tr=0 ts=6970a18b cx=c_pps a=Oh5Dbbf/trHjhBongsHeRQ==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=JMaiino2ulENCBURCGwA:9 a=_Vgx9l1VpLgwpw_dHYaR:22 X-Proofpoint-GUID: edVfvThotuh5A4G9Yz_HO43nP8HJxZdJ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTIxMDA4MiBTYWx0ZWRfX4n9lScRLXVOF 36CX9PtLL+qFrk0HsZ8S+mQQ/VBOsz/ahyV1Jm7x5ayZNKeI+SS5/a5yvwFdi7JpyNIKup5AJ6C LYskbRrb0rtl9kTHn7Ij15Hf1+NUg//FNskB9pOXmIUJdTbFhjCmnD/UrhQ7lSnKU76gujWTC6L I0VykxMpG64pRIX5XavLky02KSVdJEFAQzXiVDg1pAwGIBl3HQIhF2qU6YOzQ6DNYB/NI9Rm0FX Y5k0VI1LaBW9VG3d1xbhNiFulJRIHDPO7k19dXvgpsOKgOqf6TFFS93D/yhQCAjDiV4trF9mDuJ He6DqypSva6pft9vGTi0WW6jqcVH0AP4SiumGda2GAP0q3/LyqIkO29icpZN4eCfSY/BLERZhg3 6I4u3u+EfKCcnJvK57DUTwZ96HkZYVFpcRHW3kS4IhN6hYygahAnYLSOInU085m4pJilpKzm2zF g1vN8CY7+KHsawTti8w== X-Proofpoint-ORIG-GUID: edVfvThotuh5A4G9Yz_HO43nP8HJxZdJ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.20,FMLib:17.12.100.49 definitions=2026-01-21_01,2026-01-20_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 clxscore=1015 spamscore=0 lowpriorityscore=0 suspectscore=0 malwarescore=0 adultscore=0 priorityscore=1501 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601210082 Content-Type: text/plain; charset="utf-8" For M.2 WLAN chips, there is no suitable DTS node to specify the firmware-name property. In addition, assigning firmware for the M.2 PCIe interface causes chips that do not use usecase specific firmware to fail. Therefore, abandoning the approach of specifying firmware in DTS. As an alternative, propose a static lookup table mapping device compatible to firmware names. Currently, only WCN6855 HW2.1 requires this. However, support for the firmware-name property is retained to keep the ABI backwards compatible. For details on usecase specific firmware, see: https://lore.kernel.org/all/20250522013444.1301330-3-miaoqing.pan@oss.qualc= omm.com/. Tested-on: WCN6855 hw2.1 PCI WLAN.HSP.1.1-04685-QCAHSPSWPL_V1_V2_SILICONZ_I= OE-1 Fixes: edbbc647c4f3 ("wifi: ath11k: support usercase-specific firmware over= rides") Signed-off-by: Miaoqing Pan Reviewed-by: Baochen Qiang Reviewed-by: Vasanthakumar Thiagarajan --- drivers/net/wireless/ath/ath11k/core.c | 27 ++++++++++++++++++++++++++ drivers/net/wireless/ath/ath11k/core.h | 4 ++++ 2 files changed, 31 insertions(+) diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/= ath/ath11k/core.c index de84906d1b27..3f6f4db5b7ee 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -1044,6 +1044,33 @@ static const struct dmi_system_id ath11k_pm_quirk_ta= ble[] =3D { {} }; =20 +static const struct __ath11k_core_usecase_firmware_table { + u32 hw_rev; + const char *compatible; + const char *firmware_name; +} ath11k_core_usecase_firmware_table[] =3D { + { ATH11K_HW_WCN6855_HW21, "qcom,lemans-evk", "nfa765"}, + { ATH11K_HW_WCN6855_HW21, "qcom,monaco-evk", "nfa765"}, + { ATH11K_HW_WCN6855_HW21, "qcom,hamoa-iot-evk", "nfa765"}, + { /* Sentinel */ } +}; + +const char *ath11k_core_get_usecase_firmware(struct ath11k_base *ab) +{ + const struct __ath11k_core_usecase_firmware_table *entry =3D NULL; + + entry =3D ath11k_core_usecase_firmware_table; + while (entry->compatible) { + if (ab->hw_rev =3D=3D entry->hw_rev && + of_machine_is_compatible(entry->compatible)) + return entry->firmware_name; + entry++; + } + + return NULL; +} +EXPORT_SYMBOL(ath11k_core_get_usecase_firmware); + void ath11k_fw_stats_pdevs_free(struct list_head *head) { struct ath11k_fw_stats_pdev *i, *tmp; diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/= ath/ath11k/core.h index 3f41e6569a78..a0d725923ef2 100644 --- a/drivers/net/wireless/ath/ath11k/core.h +++ b/drivers/net/wireless/ath/ath11k/core.h @@ -1292,6 +1292,7 @@ bool ath11k_core_coldboot_cal_support(struct ath11k_b= ase *ab); =20 const struct firmware *ath11k_core_firmware_request(struct ath11k_base *ab, const char *filename); +const char *ath11k_core_get_usecase_firmware(struct ath11k_base *ab); 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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-352678af047sm16997295a91.10.2026.01.21.01.51.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Jan 2026 01:51:09 -0800 (PST) From: Miaoqing Pan To: jjohnson@kernel.org, johannes@sipsolutions.net, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: ath11k@lists.infradead.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, jonas.gorski@gmail.com, krzk@kernel.org, Miaoqing Pan Subject: [PATCH v4 ath-current 2/2] dt-bindings: net: wireless: ath11k-pci: deprecate 'firmware-name' property Date: Wed, 21 Jan 2026 17:50:55 +0800 Message-Id: <20260121095055.3683957-3-miaoqing.pan@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260121095055.3683957-1-miaoqing.pan@oss.qualcomm.com> References: <20260121095055.3683957-1-miaoqing.pan@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-ORIG-GUID: qYpuoMt1tvE_eRuwsLz32Ox8m_XCr7c9 X-Authority-Analysis: v=2.4 cv=Oa6VzxTY c=1 sm=1 tr=0 ts=6970a18f cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=gumsBO624h-QSWVlTkIA:9 a=x9snwWr2DeNwDh03kgHS:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTIxMDA4MiBTYWx0ZWRfX01EktxQCFKb8 wWA8DomieYRV81L3RZAvT7sQRRjlzQvU3ss9IKoIxZ/5Xe1Ac28qV0Pl5SXRNc7CHCqKQ+D/Etl x3f8mmBP03HoIARTiva8uafrh/ZIvMoG/3LlvDZkkdioJzJse3l4isMTavKHSD6WRS+hO0jOT33 Dyqziul5+P8tAXj2ZZo8uKp2wZi2V8NM9pIOriMTUX2ieXTm/KWEXnmiJ1LAYgRNk+jkxC9IKVT EerhEuMz9dePYTykOGrYLdHaeKXVLTNzqFrWzsJkxB++chMXIqAsolKHlTjrF81YTe9RDeMfbr1 GWjaCoCFfWrLcSyYFKSAuhJaCQQYbkhYbewszUm168+6wCjJKjNwOR+l5lgyopHbiBBqjDSnJUj z7jq+4/NBlSBmI6MW5QLH5vViezGi+IE7b2eonmDTuv4NZbdW5BM2uegR9ZxbHH+qDZJSM9ll18 ebGPcKgykvMFUlQY2sQ== X-Proofpoint-GUID: qYpuoMt1tvE_eRuwsLz32Ox8m_XCr7c9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.20,FMLib:17.12.100.49 definitions=2026-01-21_01,2026-01-20_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 malwarescore=0 suspectscore=0 priorityscore=1501 impostorscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601210082 Content-Type: text/plain; charset="utf-8" The firmware-name property was originally introduced to allow end-users and integrators to select use-case-specific firmware for the WCN6855. However, specifying firmware for an M.2 WLAN module in the Device Tree is not appropriate. Instead, this functionality will be handled within the ath11k driver. Therefore, the firmware-name property is now deprecated. Acked-by: Rob Herring (Arm) Signed-off-by: Miaoqing Pan Acked-by: Krzysztof Kozlowski --- .../devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci= .yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml index e34d42a30192..0162e365798b 100644 --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml @@ -37,6 +37,7 @@ properties: =20 firmware-name: maxItems: 1 + deprecated: true description: If present, a board or platform specific string used to lookup usecase-specific firmware files for the device. --=20 2.34.1