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wifi: mt76: mt7915: add fallback in case of missing precal data

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When pre-calibration data is missing, do not fail the driver probe.
Instead, just print a warning and fall back to regular calibration.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
2024-03-18 10:32:22 +01:00
parent 19a954edec
commit 95ff66d15e
3 changed files with 12 additions and 7 deletions
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15
drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
View File

@@ -28,7 +28,15 @@ static int mt7915_eeprom_load_precal(struct mt7915_dev *dev)
if (!ret)
return ret;
return mt76_get_of_data_from_nvmem(mdev, dev->cal, "precal", size);
ret = mt76_get_of_data_from_nvmem(mdev, dev->cal, "precal", size);
if (!ret)
return ret;
dev_warn(mdev->dev, "missing precal data, size=%d\n", size);
devm_kfree(mdev->dev, dev->cal);
dev->cal = NULL;
return ret;
}
static int mt7915_check_eeprom(struct mt7915_dev *dev)
@@ -254,10 +262,7 @@ int mt7915_eeprom_init(struct mt7915_dev *dev)
return ret;
}
ret = mt7915_eeprom_load_precal(dev);
if (ret)
return ret;
mt7915_eeprom_load_precal(dev);
mt7915_eeprom_parse_hw_cap(dev, &dev->phy);
memcpy(dev->mphy.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
ETH_ALEN);

2
drivers/net/wireless/mediatek/mt76/mt7915/init.c
View File

@@ -823,7 +823,7 @@ mt7915_init_hardware(struct mt7915_dev *dev, struct mt7915_phy *phy2)
if (ret < 0)
return ret;
if (dev->flash_mode) {
if (dev->cal) {
ret = mt7915_mcu_apply_group_cal(dev);
if (ret)
return ret;

2
drivers/net/wireless/mediatek/mt76/mt7915/main.c
View File

@@ -329,7 +329,7 @@ int mt7915_set_channel(struct mt7915_phy *phy)
mt76_set_channel(phy->mt76);
if (dev->flash_mode) {
if (dev->cal) {
ret = mt7915_mcu_apply_tx_dpd(phy);
if (ret)
goto out;