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| author | Lorenzo Bianconi <lorenzo.bianconi@redhat.com> | 2018-09-20 12:11:51 +0300 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2018-10-01 13:33:42 +0300 |
| commit | 86c71d3deefae88b8f151f97102af661d9792636 (patch) | |
| tree | a6165816b5561ef4a04cd34d3cbd50afb789d608 /drivers/net/wireless/mediatek/mt76/mt76x02_eeprom.h | |
| parent | eef40d209ad005c56e481a6015347fc810803982 (diff) | |
| download | linux-86c71d3deefae88b8f151f97102af661d9792636.tar.xz | |
mt76: move eeprom utility routines in mt76x02_eeprom.h
Move shared eeprom utility routines in mt76x02_eeprom.h and
remove duplicated code
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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 */ |