wifi: ath12k: Move hw_init invocation to target-specific probe

Relocate hw_init call from the shared probe path to target-specific
probe implementations. Handle Wi-Fi 7 initialization entirely within
its corresponding target-specific file.
Improve modularity by decoupling hardware-dependent initialization from
common probe logic. Support broader effort to separate shared and
target-specific code paths.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1

Signed-off-by: Kiran Venkatappa <quic_kiranv@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Reviewed-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Link: https://patch.msgid.link/20250812-ath12k-mod-v1-9-8c9b0eb9335d@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>

drivers/net/wireless/ath/ath12k/ahb_wifi7.c

@@ -11,6 +11,7 @@
 #include "ahb_wifi7.h"
 #include "debug.h"
 #include "hif.h"
+#include "hw_wifi7.h"
 
 static const struct of_device_id ath12k_wifi7_ahb_of_match[] = {
 	{ .compatible = "qcom,ipq5332-wifi",
@@ -26,6 +27,7 @@ static int ath12k_wifi7_ahb_probe(struct platform_device *pdev)
 	struct ath12k_ahb *ab_ahb;
 	enum ath12k_hw_rev hw_rev;
 	struct ath12k_base *ab;
+	int ret;
 
 	ab = platform_get_drvdata(pdev);
 	ab_ahb = ath12k_ab_to_ahb(ab);
@@ -42,6 +44,12 @@ static int ath12k_wifi7_ahb_probe(struct platform_device *pdev)
 	ab->target_mem_mode = ATH12K_QMI_MEMORY_MODE_DEFAULT;
 	ab->hw_rev = hw_rev;
 
+	ret = ath12k_wifi7_hw_init(ab);
+	if (ret) {
+		ath12k_err(ab, "WiFi-7 hw_init for AHB failed: %d\n", ret);
+		return ret;
+	}
+
 	return 0;
 }
 

drivers/net/wireless/ath/ath12k/core.c

@@ -1744,13 +1744,6 @@ enum ath12k_qmi_mem_mode ath12k_core_get_memory_mode(struct ath12k_base *ab)
 int ath12k_core_pre_init(struct ath12k_base *ab)
 {
 	const struct ath12k_mem_profile_based_param *param;
-	int ret;
-
-	ret = ath12k_hw_init(ab);
-	if (ret) {
-		ath12k_err(ab, "failed to init hw params: %d\n", ret);
-		return ret;
-	}
 
 	param = &ath12k_mem_profile_based_param[ab->target_mem_mode];
 	ab->profile_param = param;

drivers/net/wireless/ath/ath12k/hw.h

@@ -377,6 +377,4 @@ static inline const char *ath12k_bd_ie_type_str(enum ath12k_bd_ie_type type)
 	return "unknown";
 }
 
-int ath12k_hw_init(struct ath12k_base *ab);
-
 #endif

drivers/net/wireless/ath/ath12k/hw_wifi7.c

@@ -13,6 +13,7 @@
 #include "ce.h"
 #include "ce_wifi7.h"
 #include "hw.h"
+#include "hw_wifi7.h"
 #include "mhi.h"
 #include "dp_rx.h"
 #include "peer.h"
@@ -1030,7 +1031,7 @@ static const struct ath12k_hw_params ath12k_hw_params[] = {
 	},
 };
 
-int ath12k_hw_init(struct ath12k_base *ab)
+int ath12k_wifi7_hw_init(struct ath12k_base *ab)
 {
 	const struct ath12k_hw_params *hw_params = NULL;
 	int i;

drivers/net/wireless/ath/ath12k/hw_wifi7.h

@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: BSD-3-Clause-Clear */
+/*
+ * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#ifndef ATH12K_WIFI7_HW_H
+#define ATH12K_WIFI7_HW_H
+
+struct ath12k_base;
+int ath12k_wifi7_hw_init(struct ath12k_base *ab);
+
+#endif /* ATH12K_WIFI7_HW_H */

drivers/net/wireless/ath/ath12k/pci_wifi7.c

@@ -11,6 +11,7 @@
 #include "core.h"
 #include "hif.h"
 #include "mhi.h"
+#include "hw_wifi7.h"
 
 #define QCN9274_DEVICE_ID		0x1109
 #define WCN7850_DEVICE_ID		0x1107
@@ -84,6 +85,7 @@ static int ath12k_wifi7_pci_probe(struct pci_dev *pdev,
 	u32 soc_hw_version_major, soc_hw_version_minor;
 	struct ath12k_pci *ab_pci;
 	struct ath12k_base *ab;
+	int ret;
 
 	ab = pci_get_drvdata(pdev);
 	if (!ab)
@@ -143,6 +145,12 @@ static int ath12k_wifi7_pci_probe(struct pci_dev *pdev,
 		return -EOPNOTSUPP;
 	}
 
+	ret = ath12k_wifi7_hw_init(ab);
+	if (ret) {
+		dev_err(&pdev->dev, "WiFi-7 hw_init for PCI failed: %d\n", ret);
+		return ret;
+	}
+
 	return 0;
 }