53 	int ret;  in axp_read()  local
59 	ret = i2c_write(pmic_bus_addr, 0, 0, &reg, 1);  in axp_read()
60 	if (ret == 0) {  in axp_read()
61 		ret = i2c_read(pmic_bus_addr, 0, 0, &val, 1);  in axp_read()
63 	if (ret) {  in axp_read()
65 		return ret;  in axp_read()
73 	int ret;  in axp_write()  local
79 	ret = i2c_write(pmic_bus_addr, reg, 1, &val, 1);  in axp_write()
80 	if (ret) {  in axp_write()
84 	return ret;  in axp_write()
89 	int ret;  in rsb_init()  local
91 	ret = rsb_init_controller();  in rsb_init()
92 	if (ret) {  in rsb_init()
93 		return ret;  in rsb_init()
97 	ret = rsb_set_bus_speed(SUNXI_OSC24M_CLK_IN_HZ, 3000000);  in rsb_init()
98 	if (ret) {  in rsb_init()
99 		return ret;  in rsb_init()
103 	ret = rsb_set_device_mode(AXP20X_MODE_RSB << 16 | AXP20X_MODE_REG << 8);  in rsb_init()
104 	if (ret) {  in rsb_init()
105 		return ret;  in rsb_init()
109 	ret = rsb_assign_runtime_address(rsb_hw_addr, rsb_rt_addr);  in rsb_init()
110 	if (ret) {  in rsb_init()
111 		return ret;  in rsb_init()
119 	int ret;  in pmic_bus_init()  local
121 	ret = sunxi_init_platform_r_twi(socid, is_using_rsb());  in pmic_bus_init()
122 	if (ret) {  in pmic_bus_init()
123 		INFO("Could not init platform bus: %d\n", ret);  in pmic_bus_init()
125 		return ret;  in pmic_bus_init()
129 		ret = rsb_init(rsb_hw_addr);  in pmic_bus_init()
130 		if (ret) {  in pmic_bus_init()
132 			return ret;  in pmic_bus_init()
144 	int node, parent, ret;  in sunxi_pmic_setup()  local
183 	ret = fdt_node_check_compatible(fdt, parent, "allwinner,sun8i-a23-rsb");  in sunxi_pmic_setup()
184 	if (ret == 0) {  in sunxi_pmic_setup()
195 	ret = pmic_bus_init(socid, pmic_bus_addr);  in sunxi_pmic_setup()
196 	if (ret) {  in sunxi_pmic_setup()
197 		return ret;  in sunxi_pmic_setup()
200 	ret = axp_read(0x03);  in sunxi_pmic_setup()
201 	switch (ret & 0xcf) {  in sunxi_pmic_setup()
245 	int ret;  in sunxi_power_down()  local
252 	ret = pmic_bus_init(SUNXI_SOC_H616, pmic_bus_addr);  in sunxi_power_down()
253 	if (ret) {  in sunxi_power_down()