diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c index 738ecf8f4fa2..353f8d8497d5 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c @@ -14,6 +14,23 @@ static u32 mt7915_eeprom_read(struct mt7915_dev *dev, u32 offset) return data[offset]; } +static int mt7915_eeprom_load_precal(struct mt7915_dev *dev) +{ + struct mt76_dev *mdev = &dev->mt76; + u32 val; + + val = mt7915_eeprom_read(dev, MT_EE_DO_PRE_CAL); + if (val != (MT_EE_WIFI_CAL_DPD | MT_EE_WIFI_CAL_GROUP)) + return 0; + + val = MT_EE_CAL_GROUP_SIZE + MT_EE_CAL_DPD_SIZE; + dev->cal = devm_kzalloc(mdev->dev, val, GFP_KERNEL); + if (!dev->cal) + return -ENOMEM; + + return mt76_get_of_eeprom(mdev, dev->cal, MT_EE_PRECAL, val); +} + static int mt7915_eeprom_load(struct mt7915_dev *dev) { int ret; @@ -22,12 +39,14 @@ static int mt7915_eeprom_load(struct mt7915_dev *dev) if (ret < 0) return ret; - if (ret) + if (ret) { dev->flash_mode = true; - else + ret = mt7915_eeprom_load_precal(dev); + } else { memset(dev->mt76.eeprom.data, -1, MT7915_EEPROM_SIZE); + } - return 0; + return ret; } static int mt7915_check_eeprom(struct mt7915_dev *dev) |