[PATCH 6.1 085/127] wifi: mt76: mt7615: do not advertise 5 GHz on first phy of MT7615D (DBDC)

Greg Kroah-Hartman
2023-08-09T10:55:08Z

From: Paul Fertser <fercerpav@gmail.com>

commit 421033deb91521aa6a9255e495cb106741a52275 upstream.

On DBDC devices the first (internal) phy is only capable of using
2.4 GHz band, and the 5 GHz band is exposed via a separate phy object,
so avoid the false advertising.

Reported-by: Rani Hod <rani.hod@gmail.com>
Closes: https://github.com/openwrt/openwrt/pull/12361
Fixes: 7660a1bd0c22 ("mt76: mt7615: register ext_phy if DBDC is detected")
Cc: stable@vger.kernel.org
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230605073408.8699-1-fercerpav@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
@@ -123,12 +123,12 @@ mt7615_eeprom_parse_hw_band_cap(struct m
case MT_EE_5GHZ:
dev->mphy.cap.has_5ghz = true;
break;
- case MT_EE_2GHZ:
- dev->mphy.cap.has_2ghz = true;
- break;
case MT_EE_DBDC:
dev->dbdc_support = true;
fallthrough;
+ case MT_EE_2GHZ:
+ dev->mphy.cap.has_2ghz = true;
+ break;
default:
dev->mphy.cap.has_2ghz = true;
dev->mphy.cap.has_5ghz = true;