diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h b/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h index d50387f2ef46..1575c2352d9b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h @@ -121,4 +121,19 @@ enum mt76x02_eeprom_field { #define MT_EFUSE_USAGE_MAP_SIZE (MT_EE_USAGE_MAP_END - \ MT_EE_USAGE_MAP_START + 1) +static inline bool mt76x02_field_valid(u8 val) +{ + return val != 0 && val != 0xff; +} + +static inline int +mt76x02_sign_extend(u32 val, unsigned int size) +{ + bool sign = val & BIT(size - 1); + + val &= BIT(size - 1) - 1; + + return sign ? val : -val; +} + #endif /* __MT76x02_EEPROM_H */ |