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| author | Nicolas Cavallari <nicolas.cavallari@green-communications.fr> | 2022-11-10 16:39:51 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-12-31 13:32:21 +0100 |
| commit | 71e73d3ce2b85d3efa6d546d161645a0a9ee49ce (patch) | |
| tree | 08a506dd9104559ec532b5dd0b9d0c5c96ec6c71 /drivers/net/wireless | |
| parent | 13b31708e54f37e91379031e5f797855b6128318 (diff) | |
| download | linux-stable-71e73d3ce2b85d3efa6d546d161645a0a9ee49ce.tar.gz linux-stable-71e73d3ce2b85d3efa6d546d161645a0a9ee49ce.tar.bz2 linux-stable-71e73d3ce2b85d3efa6d546d161645a0a9ee49ce.zip | |
wifi: mt76: mt7915: Fix chainmask calculation on mt7915 DBDC
[ Upstream commit de147cc28985a2a09e5d6d179fc5ef59b22fc058 ]
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")
Co-developed-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Nicolas Cavallari <nicolas.cavallari@green-communications.fr>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c index 83bced0c0785..0bce0ce51be0 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c @@ -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 = min_t(u8, path, 2); nss = FIELD_GET(MT_EE_WIFI_CONF3_TX_PATH_B0, eeprom[MT_EE_WIFI_CONF + 3]); if (phy->band_idx) |