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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7e29f2ed331sm1117470b3a.4.2025.12.03.23.11.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Dec 2025 23:11:14 -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, Miaoqing Pan Subject: [PATCH ath-current 1/2] wifi: ath11k: add usecase firmware handling based on device compatible Date: Thu, 4 Dec 2025 15:10:59 +0800 Message-Id: <20251204071100.970518-2-miaoqing.pan@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251204071100.970518-1-miaoqing.pan@oss.qualcomm.com> References: <20251204071100.970518-1-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-GUID: vcCsapHY5FMBWWwmMl1RuL8VsgEgRfYo X-Proofpoint-ORIG-GUID: vcCsapHY5FMBWWwmMl1RuL8VsgEgRfYo X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjA0MDA1NyBTYWx0ZWRfXxc7ib6g0pAOh 9OL74PU70PQUKTz0N/VFqvnC+0JJkcJU2RGKu5lFHK31h5ibXDqWVvKtBgM5/9yIuOsi5d+dTCI 47ICf4NjhSzCeEUpt00W3A3Ybmz6vqepKDpQlQUBKIXlg+4hzWpbEGMNRP1Guv12iJsc3ezoXcK vYTChJHoqkHAlkLpY7tNLMNS14GtdeIdUg4qTcTKg5Zn4WAvGG7FzJGX01CWAgXvtR4L5ZkIGG8 EwaPiuqj2WbQAIvs2NqoC+JyiifjU5Ms6lEzUi+x8VcaMSXs+iZVq1gDJkSzCQeyWnSXVjHjqfL i57Z+cbebnet1w0telo2E5Wsbecr/Q4bPjXGTj11FopqM4YUAw1ut5YoFQMiNDssJaTq4ZjO4W+ 3dZ2f5oaqaPzyymNwKrSSJ3XgoPCrQ== X-Authority-Analysis: v=2.4 cv=Scz6t/Ru c=1 sm=1 tr=0 ts=69313414 cx=c_pps a=m5Vt/hrsBiPMCU0y4gIsQw==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=abYA0IzpRIpkkFLbjSYA:9 a=IoOABgeZipijB_acs4fv:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-04_02,2025-12-03_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 impostorscore=0 bulkscore=0 suspectscore=0 malwarescore=0 priorityscore=1501 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512040057 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. 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 --- drivers/net/wireless/ath/ath11k/core.c | 37 +++++++++++++++++++++++++- drivers/net/wireless/ath/ath11k/core.h | 7 +++-- 2 files changed, 39 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/= ath/ath11k/core.c index 812686173ac8..a4a3a65c7752 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -1,7 +1,6 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights res= erved. * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. */ =20 @@ -997,6 +996,42 @@ static const struct dmi_system_id ath11k_pm_quirk_tabl= e[] =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) +{ + struct device_node *root __free(device_node) =3D of_find_node_by_path("/"= ); + const struct __ath11k_core_usecase_firmware_table *entry =3D NULL; + int i, count =3D of_property_count_strings(root, "compatible"); + const char *compatible =3D NULL; + + for (i =3D 0; i < count; i++) { + if (of_property_read_string_index(root, "compatible", i, + &compatible) < 0) + continue; + + entry =3D ath11k_core_usecase_firmware_table; + while (entry->compatible) { + if (ab->hw_rev =3D=3D entry->hw_rev && + !strcmp(entry->compatible, 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 e8780b05ce11..f8fcd897ebd2 100644 --- a/drivers/net/wireless/ath/ath11k/core.h +++ b/drivers/net/wireless/ath/ath11k/core.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2018-2019 The Linux Foundation. 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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7e29f2ed331sm1117470b3a.4.2025.12.03.23.11.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Dec 2025 23:11:18 -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, Miaoqing Pan Subject: [PATCH ath-current 2/2] dt-bindings: net: wireless: ath11k-pci: deprecate 'firmware-name' property Date: Thu, 4 Dec 2025 15:11:00 +0800 Message-Id: <20251204071100.970518-3-miaoqing.pan@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251204071100.970518-1-miaoqing.pan@oss.qualcomm.com> References: <20251204071100.970518-1-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-GUID: v6iWVuSEsR2Kvn8ENMBVXZ5kD16rFiBf X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjA0MDA1NyBTYWx0ZWRfX27kk5rpeHkGA WivKv/f6g6LHtTMN8d3WfiYBwMLDqCJAcXEBHISPo4A8utsUOt/KhMqA/65yFS41Y1Zszqk0ttZ 1NXWdoxA/z0bsPYYL2U9xzjR9SJvQrt+h9eH7B+JFtN8gkmT7QrdCQnkBvGdXMiq6ZMgHVBaEVl fBh41lrkNUYhFIwfgh7QcMIsoTAKRYvxzRBXCmpQNdw35fWBU7u+mYEliSrOEEnNcHb8KKX/PLu iLhuZSmrrf/iuIxlwAvMvXHc8wJJqkDPTEFIjJEUNBj23Elp4FEdpFVByLv0P1se+7mcGCgmHpv jBO6V5gbbnApUlX2ujBxjKSW1lXLwn6xl+e/4FjSBPwpE9jwmyH4ZWZyP/PwMvonTwPjqa4xRsi F51elQqgD6wYssE3qGwUAhK1Lv+4hA== X-Proofpoint-ORIG-GUID: v6iWVuSEsR2Kvn8ENMBVXZ5kD16rFiBf X-Authority-Analysis: v=2.4 cv=Ctays34D c=1 sm=1 tr=0 ts=69313418 cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=-5GDireV7CNCQn9VzVAA:9 a=zc0IvFSfCIW2DFIPzwfm:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-04_02,2025-12-03_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 impostorscore=0 bulkscore=0 spamscore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 adultscore=0 phishscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512040057 Content-Type: text/plain; charset="utf-8" The firmware-name property was introduced to allow end-users and integrators to select usecase 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. Signed-off-by: Miaoqing Pan Acked-by: Rob Herring (Arm) --- .../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