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mt76: mt7615: use v1 MCU API on MT7615 to fix issues with adding/removing stations 

The implementation of embedding WTBL update inside the STA_REC update is buggy
on the MT7615 v2 firmware. This leads to connection issues after a station has
connected and disconnected again.

Switch to the v1 MCU API ops, since they have received much more testing and
should be more stable.

On MT7622 and later, the v2 API is more actively used, so we should keep using
it as well.

Fixes: 6849e29ed9 ("mt76: mt7615: add starec operating flow for firmware v2")
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200812102332.11812-1-nbd@nbd.name
This commit is contained in:
Felix Fietkau 2020-08-12 12:23:32 +02:00 committed by Kalle Valo
parent 9a2a0862d9
commit d1c9da9e4c
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
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@ -2128,7 +2128,8 @@ static int mt7615_load_n9(struct mt7615_dev *dev, const char *name)
sizeof(dev->mt76.hw->wiphy->fw_version),
"%.10s-%.15s", hdr->fw_ver, hdr->build_date);
if (!strncmp(hdr->fw_ver, "2.0", sizeof(hdr->fw_ver))) {
if (!is_mt7615(&dev->mt76) &&
!strncmp(hdr->fw_ver, "2.0", sizeof(hdr->fw_ver))) {
dev->fw_ver = MT7615_FIRMWARE_V2;
dev->mcu_ops = &sta_update_ops;
} else {