68 	int old_vproc, old_vsram, new_vsram, vsram, vproc, ret;  in mtk_cpufreq_voltage_tracking()  local
70 	old_vproc = regulator_get_voltage(proc_reg);  in mtk_cpufreq_voltage_tracking()
71 	if (old_vproc < 0) {  in mtk_cpufreq_voltage_tracking()
72 		pr_err("%s: invalid Vproc value: %d\n", __func__, old_vproc);  in mtk_cpufreq_voltage_tracking()
73 		return old_vproc;  in mtk_cpufreq_voltage_tracking()
78 	if (old_vproc < new_vproc) {  in mtk_cpufreq_voltage_tracking()
92 			old_vproc = regulator_get_voltage(proc_reg);  in mtk_cpufreq_voltage_tracking()
93 			if (old_vproc < 0) {  in mtk_cpufreq_voltage_tracking()
95 				       __func__, old_vproc);  in mtk_cpufreq_voltage_tracking()
96 				return old_vproc;  in mtk_cpufreq_voltage_tracking()
99 			vsram = min(new_vsram, old_vproc + MAX_VOLT_SHIFT);  in mtk_cpufreq_voltage_tracking()
133 	} else if (old_vproc > new_vproc) {  in mtk_cpufreq_voltage_tracking()
141 			old_vproc = regulator_get_voltage(proc_reg);  in mtk_cpufreq_voltage_tracking()
142 			if (old_vproc < 0) {  in mtk_cpufreq_voltage_tracking()
144 				       __func__, old_vproc);  in mtk_cpufreq_voltage_tracking()
145 				return old_vproc;  in mtk_cpufreq_voltage_tracking()
184 				regulator_set_voltage(proc_reg, old_vproc,  in mtk_cpufreq_voltage_tracking()
185 						      old_vproc);  in mtk_cpufreq_voltage_tracking()
214 	int vproc, old_vproc, inter_vproc, target_vproc, ret;  in mtk_cpufreq_set_target()  local
219 	old_vproc = regulator_get_voltage(info->proc_reg);  in mtk_cpufreq_set_target()
220 	if (old_vproc < 0) {  in mtk_cpufreq_set_target()
221 		pr_err("%s: invalid Vproc value: %d\n", __func__, old_vproc);  in mtk_cpufreq_set_target()
222 		return old_vproc;  in mtk_cpufreq_set_target()
241 	if (old_vproc < target_vproc) {  in mtk_cpufreq_set_target()
246 			mtk_cpufreq_set_voltage(info, old_vproc);  in mtk_cpufreq_set_target()
256 		mtk_cpufreq_set_voltage(info, old_vproc);  in mtk_cpufreq_set_target()
267 		mtk_cpufreq_set_voltage(info, old_vproc);  in mtk_cpufreq_set_target()
285 	if (vproc < inter_vproc || vproc < old_vproc) {  in mtk_cpufreq_set_target()