278 static int ufshcd_scale_clks(struct ufs_hba *hba, bool scale_up);
1010 static int ufshcd_set_clk_freq(struct ufs_hba *hba, bool scale_up)  in ufshcd_set_clk_freq()  argument
1021 			if (scale_up && clki->max_freq) {  in ufshcd_set_clk_freq()
1039 			} else if (!scale_up && clki->min_freq) {  in ufshcd_set_clk_freq()
1072 static int ufshcd_scale_clks(struct ufs_hba *hba, bool scale_up)  in ufshcd_scale_clks()  argument
1077 	ret = ufshcd_vops_clk_scale_notify(hba, scale_up, PRE_CHANGE);  in ufshcd_scale_clks()
1081 	ret = ufshcd_set_clk_freq(hba, scale_up);  in ufshcd_scale_clks()
1085 	ret = ufshcd_vops_clk_scale_notify(hba, scale_up, POST_CHANGE);  in ufshcd_scale_clks()
1087 		ufshcd_set_clk_freq(hba, !scale_up);  in ufshcd_scale_clks()
1091 			(scale_up ? "up" : "down"),  in ufshcd_scale_clks()
1104 					       bool scale_up)  in ufshcd_is_devfreq_scaling_required()  argument
1114 			if (scale_up && clki->max_freq) {  in ufshcd_is_devfreq_scaling_required()
1118 			} else if (!scale_up && clki->min_freq) {  in ufshcd_is_devfreq_scaling_required()
1221 static int ufshcd_scale_gear(struct ufs_hba *hba, bool scale_up)  in ufshcd_scale_gear()  argument
1226 	if (scale_up) {  in ufshcd_scale_gear()
1290 static void ufshcd_clock_scaling_unprepare(struct ufs_hba *hba, int err, bool scale_up)  in ufshcd_clock_scaling_unprepare()  argument
1296 		ufshcd_wb_toggle(hba, scale_up);  in ufshcd_clock_scaling_unprepare()
1312 static int ufshcd_devfreq_scale(struct ufs_hba *hba, bool scale_up)  in ufshcd_devfreq_scale()  argument
1321 	if (!scale_up) {  in ufshcd_devfreq_scale()
1327 	ret = ufshcd_scale_clks(hba, scale_up);  in ufshcd_devfreq_scale()
1329 		if (!scale_up)  in ufshcd_devfreq_scale()
1335 	if (scale_up) {  in ufshcd_devfreq_scale()
1344 	ufshcd_clock_scaling_unprepare(hba, ret, scale_up);  in ufshcd_devfreq_scale()
1388 	bool scale_up, sched_clk_scaling_suspend_work = false;  in ufshcd_devfreq_target()  local
1414 	scale_up = *freq == clki->max_freq;  in ufshcd_devfreq_target()
1415 	if (!scale_up)  in ufshcd_devfreq_target()
1418 	if (!ufshcd_is_devfreq_scaling_required(hba, scale_up)) {  in ufshcd_devfreq_target()
1426 	ret = ufshcd_devfreq_scale(hba, scale_up);  in ufshcd_devfreq_target()
1429 		(scale_up ? "up" : "down"),  in ufshcd_devfreq_target()