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mt76: mt7921: continue to probe driver when fw already downloaded

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When reboot system, no power cycles, firmware is already downloaded,
return -EIO will break driver as error:
mt7921e: probe of 0000:03:00.0 failed with error -5

Skip firmware download and continue to probe.

Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Fixes: 1c099ab447 ("mt76: mt7921: add MCU support")
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Aaron Ma 2021-07-08 21:17:10 +08:00 committed by David S. Miller
parent b9d233ea21
commit c342690411
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
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@ -931,7 +931,7 @@ static int mt7921_load_firmware(struct mt7921_dev *dev)
ret = mt76_get_field(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY);
if (ret) {
dev_dbg(dev->mt76.dev, "Firmware is already download\n");
return -EIO;
goto fw_loaded;
}
ret = mt7921_load_patch(dev);
@ -949,6 +949,7 @@ static int mt7921_load_firmware(struct mt7921_dev *dev)
return -EIO;
}
fw_loaded:
mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);
#ifdef CONFIG_PM