If the nss value is zero in the eeprom, set it to the max.
This eeprom fragment from a mt7915 DBDC shows the problem:
00000190: 24 24 08 00 28 00 00 15 00 00 00 00 00 00 00 00
Fixes: 51a87540232c ("wifi: mt76: mt7915: rework eeprom tx paths and streams init")
Signed-off-by: Nicolas Cavallari <nicolas.cavallari@xxxxxxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
index e2482c65d639..83bced0c0785 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
@@ -208,6 +208,8 @@ void mt7915_eeprom_parse_hw_cap(struct mt7915_dev *dev,
nss_max = 2;
}
+ if (!nss)
+ nss = nss_max;
nss = min_t(u8, min_t(u8, nss_max, nss), path);
mphy->chainmask = BIT(path) - 1;
--
2.38.1
