[PATCH 5.13 121/266] mt76: mt7915: fix tssi indication field of DBDC NICs

Greg Kroah-Hartman
2021-07-15T19:38:13Z

From: Evelyn Tsai <evelyn.tsai@mediatek.com>

[ Upstream commit 64cf5ad3c2fa841e4b416343a7ea69c63d60fa4e ]

Correct the bitfield which indicates TSSI on/off for MT7915D NIC.

Signed-off-by: Evelyn Tsai <evelyn.tsai@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
index 30bf41b8ed15..a43389a41800 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
@@ -99,12 +99,15 @@ static inline bool
mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
{
u8 *eep = dev->mt76.eeprom.data;
+ u8 val = eep[MT_EE_WIFI_CONF + 7];

- /* TODO: DBDC */
- if (band == NL80211_BAND_5GHZ)
- return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF7_TSSI0_5G;
+ if (band == NL80211_BAND_2GHZ)
+ return val & MT_EE_WIFI_CONF7_TSSI0_2G;
+
+ if (dev->dbdc_support)
+ return val & MT_EE_WIFI_CONF7_TSSI1_5G;
else
- return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF7_TSSI0_2G;
+ return val & MT_EE_WIFI_CONF7_TSSI0_5G;
}

extern const u8 mt7915_sku_group_len[MAX_SKU_RATE_GROUP_NUM];
--
2.30.2