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 ---
Changes in v4: - New
include/i2c_eeprom.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)
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