223 static int rk8xx_read(struct udevice *dev, uint reg, uint8_t *buff, int len)  in rk8xx_read()  function
246 		ret = rk8xx_read(dev, RK817_PMIC_SYS_CFG3, &val, 1);  in rk8xx_suspend()
305 	ret = rk8xx_read(dev, devctrl_reg, &val, 1);  in rk8xx_shutdown()
504 	ret = rk8xx_read(dev, id_msb, &msb, 1);  in rk8xx_probe()
507 	ret = rk8xx_read(dev, id_lsb, &lsb, 1);  in rk8xx_probe()
561 			ret = rk8xx_read(dev, RK817_PMIC_CHRG_TERM, &value, 1);  in rk8xx_probe()
569 			ret = rk8xx_read(dev, RK817_PMIC_CHRG_TERM, &value, 1);  in rk8xx_probe()
580 			ret = rk8xx_read(dev, RK817_POWER_EN0, &power_en0, 1);  in rk8xx_probe()
583 			ret = rk8xx_read(dev, RK817_POWER_EN1, &power_en1, 1);  in rk8xx_probe()
586 			ret = rk8xx_read(dev, RK817_POWER_EN2, &power_en2, 1);  in rk8xx_probe()
589 			ret = rk8xx_read(dev, RK817_POWER_EN3, &power_en3, 1);  in rk8xx_probe()
631 		rk8xx_read(dev, on_source, &on, 1);  in rk8xx_probe()
632 		rk8xx_read(dev, off_source, &off, 1);  in rk8xx_probe()
638 		ret = rk8xx_read(dev, pwron_key, &value, 1);  in rk8xx_probe()
660 	.read = rk8xx_read,