mt76:禁掉6G，防止重启配置从5G变6G

package/kernel/mt76/patches/002-wifi-mt76-mt7915-handle-unsupported-band-configurati.patch

@@ -0,0 +1,67 @@
+From 72929ea244bc89a596c63fa46c45ed54fa20297a Mon Sep 17 00:00:00 2001
+From: Shayne Chen <shayne.chen@mediatek.com>
+Date: Fri, 6 Jan 2023 11:28:18 +0800
+Subject: [PATCH] wifi: mt76: mt7915: handle unsupported band configuration
+
+Firmware does not support simultaneous 5GHz and 6GHz on the same band.
+Force this case to support 5GHz only.
+
+Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
+---
+ mt7915/eeprom.c | 14 ++++++++++----
+ mt7915/init.c   |  4 ++--
+ 2 files changed, 12 insertions(+), 6 deletions(-)
+
+diff --git a/mt7915/eeprom.c b/mt7915/eeprom.c
+index 849275e1..1371f55c 100644
+--- a/mt7915/eeprom.c
++++ b/mt7915/eeprom.c
+@@ -156,15 +156,21 @@ static void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy)
+ 	if (!is_mt7915(&dev->mt76)) {
+ 		switch (val) {
+ 		case MT_EE_V2_BAND_SEL_5GHZ:
++		case MT_EE_V2_BAND_SEL_5GHZ_6GHZ:
+ 			phy->mt76->cap.has_5ghz = true;
++
++			if (val == MT_EE_V2_BAND_SEL_5GHZ_6GHZ) {
++				u8p_replace_bits(&eeprom[MT_EE_WIFI_CONF + band],
++						 MT_EE_V2_BAND_SEL_5GHZ,
++						 MT_EE_WIFI_CONF0_BAND_SEL);
++
++				/* force to buffer mode */
++				dev->flash_mode = true;
++			}
+ 			return;
+ 		case MT_EE_V2_BAND_SEL_6GHZ:
+ 			phy->mt76->cap.has_6ghz = true;
+ 			return;
+-		case MT_EE_V2_BAND_SEL_5GHZ_6GHZ:
+-			phy->mt76->cap.has_5ghz = true;
+-			phy->mt76->cap.has_6ghz = true;
+-			return;
+ 		default:
+ 			phy->mt76->cap.has_2ghz = true;
+ 			return;
+diff --git a/mt7915/init.c b/mt7915/init.c
+index 9ccbc7bc..74425a59 100755
+--- a/mt7915/init.c
++++ b/mt7915/init.c
+@@ -1311,14 +1311,14 @@ int mt7915_register_device(struct mt7915_dev *dev)
+ 	if (ret)
+ 		goto unreg_dev;
+ 
+-	ieee80211_queue_work(mt76_hw(dev), &dev->init_work);
+-
+ 	if (phy2) {
+ 		ret = mt7915_register_ext_phy(dev, phy2);
+ 		if (ret)
+ 			goto unreg_thermal;
+ 	}
+ 
++	ieee80211_queue_work(mt76_hw(dev), &dev->init_work);
++
+ 	dev->recovery.hw_init_done = true;
+ 
+ 	ret = mt7915_init_debugfs(&dev->phy);
+-- 
+2.25.1