diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c index 59069fb86414..a79628933948 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c @@ -33,11 +33,14 @@ static int mt7915_check_eeprom(struct mt7915_dev *dev) u8 *eeprom = dev->mt76.eeprom.data; u16 val = get_unaligned_le16(eeprom); +#define CHECK_EEPROM_ERR(match) (match ? 0 : -EINVAL) switch (val) { case 0x7915: + return CHECK_EEPROM_ERR(is_mt7915(&dev->mt76)); case 0x7916: + return CHECK_EEPROM_ERR(is_mt7916(&dev->mt76)); case 0x7986: - return 0; + return CHECK_EEPROM_ERR(is_mt7986(&dev->mt76)); default: return -EINVAL; } @@ -110,18 +113,23 @@ static int mt7915_eeprom_load(struct mt7915_dev *dev) } else { u8 free_block_num; u32 block_num, i; + u32 eeprom_blk_size = MT7915_EEPROM_BLOCK_SIZE; + + ret = mt7915_mcu_get_eeprom_free_block(dev, &free_block_num); + if (ret < 0) + return ret; - mt7915_mcu_get_eeprom_free_block(dev, &free_block_num); - /* efuse info not enough */ + /* efuse info isn't enough */ if (free_block_num >= 29) return -EINVAL; /* read eeprom data from efuse */ - block_num = DIV_ROUND_UP(eeprom_size, - MT7915_EEPROM_BLOCK_SIZE); - for (i = 0; i < block_num; i++) - mt7915_mcu_get_eeprom(dev, - i * MT7915_EEPROM_BLOCK_SIZE); + block_num = DIV_ROUND_UP(eeprom_size, eeprom_blk_size); + for (i = 0; i < block_num; i++) { + ret = mt7915_mcu_get_eeprom(dev, i * eeprom_blk_size); + if (ret < 0) + return ret; + } } return mt7915_check_eeprom(dev); |