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wifi: mt76: mt7915: Fix chainmask calculation on mt7915 DBDC

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mt7915 does not have a per-band number of chains unlike the other chips,
it only has a total number of chains.  Yet the current code would
consider the total number as a per-band number.

For example, it would report that a 2x2 + 2x2 DBDC card have 4 chains on
each band and set chainmask to 0b1111 for the first interface and
0b11110000 for the second.

Fixes: 99ad32a4ca3a ("mt76: mt7915: add support for MT7986")
Signed-off-by: Nicolas Cavallari <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Nicolas Cavallari
2022-11-11 11:38:25 +01:00
committed by Felix Fietkau
parent 0263711ba3
commit 869815e5ef
1 changed files with 1 additions and 0 deletions
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mt7915/eeprom.c
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@@ -194,6 +194,7 @@ void mt7915_eeprom_parse_hw_cap(struct mt7915_dev *dev,
nss = path;
if (dev->dbdc_support) {
if (is_mt7915(&dev->mt76)) {
path = path / 2;
nss = FIELD_GET(MT_EE_WIFI_CONF3_TX_PATH_B0,
eeprom[MT_EE_WIFI_CONF + 3]);
if (phy->band_idx)