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It's useful for the platform / board to specify firmware through device-tree. Signed-off-by: Miaoqing Pan Acked-by: Conor Dooley --- .../devicetree/bindings/net/wireless/qcom,ath11k.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yam= l b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml index ff5763dc66a8..2f9fa96cbed1 100644 --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml @@ -1,5 +1,6 @@ # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) # Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. +# Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved. %YAML 1.2 --- $id: http://devicetree.org/schemas/net/wireless/qcom,ath11k.yaml# @@ -61,6 +62,12 @@ properties: =20 ieee80211-freq-limit: true =20 + firmware-name: + maxItems: 1 + description: + If present, a board or platform specific string used to lookup firmw= are + files for the device. + wifi-firmware: type: object description: | --=20 2.25.1 From nobody Thu Nov 28 13:00:19 2024 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8E047193096; Tue, 1 Oct 2024 03:31:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727753494; cv=none; b=rxGyfIfr2a3zi1EMwcK74Yyimw1UdpcDfQ10Ijc01ELfsw4/Y8JgNmcJlWxT9CJ8XyWYVxOW6x/SBM/hf5zlIcAgkKR8Ci1H1ksEsZwvXdk9TDBExjDP9l/xCicEuH+CWnw3yiQuWqHDPtOfDbYfx0Wt/jtf4ZhEHwhNWA4VupE= ARC-Message-Signature: i=1; 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charset="utf-8" QCA6698AQ uses different firmware/bdf/regdb with existing WCN6855 firmware, which is customized for IoE platforms. And the 'pci-device-id + soc-hw-version + soc-hw-sub-version' may not be enough to identify the correct firmware directory path. The device tree allows "firmware-name" to define the firmware path, wifi@c000000 { firmware-name =3D "QCA6698AQ"; status =3D "okay"; }; Tested-on: QCA6698AQ hw2.1 PCI WLAN.HSP.1.1-04402-QCAHSPSWPL_V1_V2_SILICONZ= _IOE-1 Signed-off-by: Miaoqing Pan --- drivers/net/wireless/ath/ath11k/core.c | 12 ++++++++++++ drivers/net/wireless/ath/ath11k/core.h | 11 +++-------- 2 files changed, 15 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/= ath/ath11k/core.c index be67382c00f6..7720f467b11b 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -1178,6 +1178,18 @@ static int ath11k_core_create_chip_id_board_name(str= uct ath11k_base *ab, char *n ATH11K_BDF_NAME_CHIP_ID); } =20 +void ath11k_core_create_firmware_path(struct ath11k_base *ab, + const char *filename, + void *buf, size_t buf_len) +{ const char *variant =3D NULL; + + of_property_read_string(ab->dev->of_node, "firmware-name", &variant); + + snprintf(buf, buf_len, "%s/%s/%s", ATH11K_FW_DIR, + variant ? : ab->hw_params.fw.dir, filename); +} +EXPORT_SYMBOL(ath11k_core_create_firmware_path); + const struct firmware *ath11k_core_firmware_request(struct ath11k_base *ab, const char *file) { diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/= ath/ath11k/core.h index 09c37e19a168..ce4102cfed4d 100644 --- a/drivers/net/wireless/ath/ath11k/core.h +++ b/drivers/net/wireless/ath/ath11k/core.h @@ -1249,6 +1249,9 @@ 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); +void ath11k_core_create_firmware_path(struct ath11k_base *ab, + const char *filename, + void *buf, size_t buf_len); =20 static inline const char *ath11k_scan_state_str(enum ath11k_scan_state sta= te) { @@ -1295,14 +1298,6 @@ static inline struct ath11k *ath11k_ab_to_ar(struct = ath11k_base *ab, return ab->pdevs[ath11k_hw_mac_id_to_pdev_id(&ab->hw_params, mac_id)].ar; } =20 -static inline void ath11k_core_create_firmware_path(struct ath11k_base *ab, - const char *filename, - void *buf, size_t buf_len) -{ - snprintf(buf, buf_len, "%s/%s/%s", ATH11K_FW_DIR, - ab->hw_params.fw.dir, filename); -} - static inline const char *ath11k_bus_str(enum ath11k_bus bus) { switch (bus) { --=20 2.25.1