fsi_i2c_read_reg
rc = fsi_i2c_read_reg(i2c->fsi, I2C_FSI_ESTAT, &extended_status);
rc = fsi_i2c_read_reg(fsi, I2C_FSI_MODE, &mode);
fsi_i2c_read_reg(i2c->fsi, I2C_FSI_STAT, &stat);
fsi_i2c_read_reg(i2c->fsi, I2C_FSI_STAT, &stat);
rc = fsi_i2c_read_reg(i2c->fsi, I2C_FSI_MODE, &mode);
rc = fsi_i2c_read_reg(i2c->fsi, I2C_FSI_MODE, &mode);
rc = fsi_i2c_read_reg(i2c->fsi, I2C_FSI_STAT, &stat);
rc = fsi_i2c_read_reg(i2c->fsi, I2C_FSI_MODE, &mode);
rc = fsi_i2c_read_reg(fsi, I2C_FSI_STAT, &stat);
rc = fsi_i2c_read_reg(fsi, I2C_FSI_STAT, &status);
rc = fsi_i2c_read_reg(port->ctrl->fsi, I2C_FSI_STAT,
rc = fsi_i2c_read_reg(i2c->fsi, I2C_FSI_STAT, &stat);