#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,
unsigned long size;
};
+#if CONFIG_IS_ENABLED(I2C_EEPROM)
/*
* i2c_eeprom_read() - read bytes from an I2C EEPROM chip
*
* @buf: Place to put data
* @size: Number of bytes to read
*
- * @return 0 on success, -ve on failure
+ * Return: 0 on success, -ve on failure
*/
int i2c_eeprom_read(struct udevice *dev, int offset, uint8_t *buf, int size);
* @buf: Buffer containing data to write
* @size: Number of bytes to write
*
- * @return 0 on success, -ve on failure
+ * Return: 0 on success, -ve on failure
*/
-int i2c_eeprom_write(struct udevice *dev, int offset, uint8_t *buf, int size);
+int i2c_eeprom_write(struct udevice *dev, int offset, const uint8_t *buf,
+ int size);
/*
* i2c_eeprom_size() - get size of I2C EEPROM chip
*
* @dev: Chip to query
*
- * @return +ve size in bytes on success, -ve on failure
+ * Return: +ve size in bytes on success, -ve on failure
*/
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