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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29eea01723bsm94148115ad.62.2025.12.13.18.53.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 13 Dec 2025 18:53:21 -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, krzk@kernel.org, Miaoqing Pan , Baochen Qiang Subject: [PATCH v2 ath-current 1/2] wifi: ath11k: add usecase firmware handling based on device compatible Date: Sun, 14 Dec 2025 10:52:29 +0800 Message-Id: <20251214025230.716387-2-miaoqing.pan@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251214025230.716387-1-miaoqing.pan@oss.qualcomm.com> References: <20251214025230.716387-1-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-Spam-Details-Enc: AW1haW4tMjUxMjE0MDAyNSBTYWx0ZWRfX/0qzK69E3WWi YdDuKXHG0eOU4FuDn3UWQn8BKalI7TpLEQoEr0UfXC5lufIROrRkX89EhtpdKytdFM8qtdDnTHj nnyz8ktpC0MJLMUUo1Vj6LLY39xRwPbVhTSwqyl6Iw1KqhCngGJ53oy36q2B5TiKVBqMO8SppZM MlpQ70sXkxPOTOJ5aUOLtFHHdyK65UoYOBTDHItahUlep/HKb7ddvBxqmei1XpZpPhV2bHlJ1Mt EXTiIbW6yBB0VVjMhffvHgDgFVgeH4oM28E5vtWY4H+1wKRYHnJHCpsD53lMknKzPfR0/pmkviB WINeEZh7LKjyQc+COjBaHXrdOCouS8yPaB/XQEva7Jnk1BNHJVLmp4CJ4eGURsw4GQDiPHM+k1d 71eTiiBhDTZvHFro27dc9NcEyrUvug== X-Proofpoint-ORIG-GUID: LvHRMkivjcz0MMSAq9xcO1TC9yExfrD7 X-Proofpoint-GUID: LvHRMkivjcz0MMSAq9xcO1TC9yExfrD7 X-Authority-Analysis: v=2.4 cv=aOf9aL9m c=1 sm=1 tr=0 ts=693e26a3 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==: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=324X-CrmTo6CU4MGRt3R: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=2025-12-14_01,2025-12-11_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 impostorscore=0 adultscore=0 bulkscore=0 clxscore=1015 phishscore=0 lowpriorityscore=0 suspectscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512140025 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") Reviewed-by: Baochen Qiang Signed-off-by: Miaoqing Pan --- 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 d9443c01a7336-29eea01723bsm94148115ad.62.2025.12.13.18.53.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 13 Dec 2025 18:53:25 -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, krzk@kernel.org, Miaoqing Pan Subject: [PATCH v2 ath-current 2/2] dt-bindings: net: wireless: ath11k-pci: remove obsolete firmware-name property Date: Sun, 14 Dec 2025 10:52:30 +0800 Message-Id: <20251214025230.716387-3-miaoqing.pan@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251214025230.716387-1-miaoqing.pan@oss.qualcomm.com> References: <20251214025230.716387-1-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: BEIS8EQ8v-42vZobQothvX5uI8mPisLM X-Authority-Analysis: v=2.4 cv=ebMwvrEH c=1 sm=1 tr=0 ts=693e26a6 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=-5GDireV7CNCQn9VzVAA:9 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjE0MDAyNSBTYWx0ZWRfXzwGvqd+13CHT mnN2+lEJ+YVRy+Ac5xLizsO8TIgMqLyqSqwsdc/P1oXMVpDPwuz+lGzUiXvWRDV5SS6DMOztL47 vyaNMrjgewZ42XIKdikpfbjNkzSeIEFpsHADvyDW811LT1tZkFLZ1gfBEg3Qf3K/JRatOtNdIJ8 345bQbBTjbK3NPJdOHZb5F/rzD+zAx7NSXNiQdV7iv5qWMIH+eJpoPsJ/0uVTOwmTCAyA9yVMSU Bhwrt7iDh9KHQpxNTZD4myc8s6+c360Or3jS0Zp/GeorG7cUkT6OXKp3UB3EXgV4yDEUCyDVn4w seZJ3zA8S30uH8s7s63uCLK243d83seqJt+mgpNkL0UU3AEZMubrUozgeuGq2ytgMbmn5niSrrc mWOp1bkGeCQ9klpfzvS3wDavs6Q78Q== X-Proofpoint-ORIG-GUID: BEIS8EQ8v-42vZobQothvX5uI8mPisLM 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=2025-12-14_01,2025-12-11_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 suspectscore=0 phishscore=0 priorityscore=1501 spamscore=0 bulkscore=0 clxscore=1015 malwarescore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512140025 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. The driver has removed all support for firmware-name, and no upstream Device Tree files reference this property. Therefore, this patch removes the property from the binding and marks it as obsolete. This is a DT ABI-breaking change, but safe since there are no in-tree users. Acked-by: Rob Herring (Arm) Signed-off-by: Miaoqing Pan --- .../devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml | 6 ------ 1 file changed, 6 deletions(-) diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci= .yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml index e34d42a30192..653b319fee88 100644 --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k-pci.yaml @@ -35,12 +35,6 @@ properties: string to uniquely identify variant of the calibration data for desi= gns with colliding bus and device ids =20 - firmware-name: - maxItems: 1 - description: - If present, a board or platform specific string used to lookup - usecase-specific firmware files for the device. - vddrfacmn-supply: description: VDD_RFA_CMN supply regulator handle =20 --=20 2.34.1