recipes-wifi/linux-mt76/files/patches-3.x/0034-mtk-mt76-mt7996-kite-default-1-pcie-setting.patch

From 3d999c0abf75d54f412befbf0247219e796e1bef Mon Sep 17 00:00:00 2001
From: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
Date: Thu, 13 Jul 2023 16:36:36 +0800
Subject: [PATCH 034/193] mtk: mt76: mt7996: kite default 1-pcie setting

Signed-off-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
---
 mt7996/pci.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/mt7996/pci.c b/mt7996/pci.c
index 0405618..05830c0 100644
--- a/mt7996/pci.c
+++ b/mt7996/pci.c
@@ -11,6 +11,9 @@
 #include "mac.h"
 #include "../trace.h"
 
+static bool hif2_enable = false;
+module_param(hif2_enable, bool, 0644);
+
 static LIST_HEAD(hif_list);
 static DEFINE_SPINLOCK(hif_lock);
 static u32 hif_idx;
@@ -63,6 +66,9 @@ static struct mt7996_hif *mt7996_pci_init_hif2(struct pci_dev *pdev)
 {
 	hif_idx++;
 
+	if (!hif2_enable)
+		return NULL;
+
 	if (!pci_get_device(PCI_VENDOR_ID_MEDIATEK, 0x7991, NULL) &&
 	    !pci_get_device(PCI_VENDOR_ID_MEDIATEK, 0x799a, NULL))
 		return NULL;
@@ -77,6 +83,9 @@ static int mt7996_pci_hif2_probe(struct pci_dev *pdev)
 {
 	struct mt7996_hif *hif;
 
+	if (!hif2_enable)
+		return 0;
+
 	hif = devm_kzalloc(&pdev->dev, sizeof(*hif), GFP_KERNEL);
 	if (!hif)
 		return -ENOMEM;
@@ -101,6 +110,8 @@ static int mt7996_pci_probe(struct pci_dev *pdev,
 	int irq, hif2_irq, ret;
 	struct mt76_dev *mdev;
 
+	hif2_enable |= (id->device == 0x7990 || id->device == 0x7991);
+
 	ret = pcim_enable_device(pdev);
 	if (ret)
 		return ret;
-- 
2.45.2