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| author | Sean Anderson <sean.anderson@seco.com> | 2022-05-05 13:11:38 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-06-08 13:59:53 -0400 |
| commit | 42f477f0ab2b179e6760f1f272b2611618082301 (patch) | |
| tree | 65b54040dd15e8afd8552b9305cd66ccd432d9aa | |
| parent | dda3b389201429a65746d99ad0e4e9e2bd9819b3 (diff) | |
| download | u-boot-42f477f0ab2b179e6760f1f272b2611618082301.tar.gz u-boot-42f477f0ab2b179e6760f1f272b2611618082301.tar.bz2 u-boot-42f477f0ab2b179e6760f1f272b2611618082301.zip | |
misc: i2c_eeprom: Add fallbacks
Add some fallback functions for when i2c_eeprom is disabled. This allows
code to reference i2c_eeprom_* functions without needing to check
whether support has been compiled in.
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
| -rw-r--r-- | include/i2c_eeprom.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/i2c_eeprom.h b/include/i2c_eeprom.h index 90fdb25232..32dcb03497 100644 --- a/include/i2c_eeprom.h +++ b/include/i2c_eeprom.h @@ -6,6 +6,8 @@ #ifndef __I2C_EEPROM #define __I2C_EEPROM +struct udevice; + struct i2c_eeprom_ops { int (*read)(struct udevice *dev, int offset, uint8_t *buf, int size); int (*write)(struct udevice *dev, int offset, const uint8_t *buf, @@ -20,6 +22,7 @@ struct i2c_eeprom { unsigned long size; }; +#if CONFIG_IS_ENABLED(I2C_EEPROM) /* * i2c_eeprom_read() - read bytes from an I2C EEPROM chip * @@ -54,4 +57,25 @@ int i2c_eeprom_write(struct udevice *dev, int offset, const uint8_t *buf, */ int i2c_eeprom_size(struct udevice *dev); +#else /* !I2C_EEPROM */ + +static inline int i2c_eeprom_read(struct udevice *dev, int offset, uint8_t *buf, + int size) +{ + return -ENOSYS; +} + +static inline int i2c_eeprom_write(struct udevice *dev, int offset, + const uint8_t *buf, int size) +{ + return -ENOSYS; +} + +static inline int i2c_eeprom_size(struct udevice *dev) +{ + return -ENOSYS; +} + +#endif /* I2C_EEPROM */ + #endif |