260 static int ufshcd_scale_clks(struct ufs_hba *hba, bool scale_up);
982 static int ufshcd_set_clk_freq(struct ufs_hba *hba, bool scale_up)  in ufshcd_set_clk_freq()  argument
993 			if (scale_up && clki->max_freq) {  in ufshcd_set_clk_freq()
1011 			} else if (!scale_up && clki->min_freq) {  in ufshcd_set_clk_freq()
1045 static int ufshcd_scale_clks(struct ufs_hba *hba, bool scale_up)  in ufshcd_scale_clks()  argument
1050 	ret = ufshcd_vops_clk_scale_notify(hba, scale_up, PRE_CHANGE);  in ufshcd_scale_clks()
1054 	ret = ufshcd_set_clk_freq(hba, scale_up);  in ufshcd_scale_clks()
1058 	ret = ufshcd_vops_clk_scale_notify(hba, scale_up, POST_CHANGE);  in ufshcd_scale_clks()
1060 		ufshcd_set_clk_freq(hba, !scale_up);  in ufshcd_scale_clks()
1064 			(scale_up ? "up" : "down"),  in ufshcd_scale_clks()
1077 					       bool scale_up)  in ufshcd_is_devfreq_scaling_required()  argument
1087 			if (scale_up && clki->max_freq) {  in ufshcd_is_devfreq_scaling_required()
1091 			} else if (!scale_up && clki->min_freq) {  in ufshcd_is_devfreq_scaling_required()
1189 static int ufshcd_scale_gear(struct ufs_hba *hba, bool scale_up)  in ufshcd_scale_gear()  argument
1194 	if (scale_up) {  in ufshcd_scale_gear()
1253 static void ufshcd_clock_scaling_unprepare(struct ufs_hba *hba, int err, bool scale_up)  in ufshcd_clock_scaling_unprepare()  argument
1259 		ufshcd_wb_toggle(hba, scale_up);  in ufshcd_clock_scaling_unprepare()
1276 static int ufshcd_devfreq_scale(struct ufs_hba *hba, bool scale_up)  in ufshcd_devfreq_scale()  argument
1285 	if (!scale_up) {  in ufshcd_devfreq_scale()
1291 	ret = ufshcd_scale_clks(hba, scale_up);  in ufshcd_devfreq_scale()
1293 		if (!scale_up)  in ufshcd_devfreq_scale()
1299 	if (scale_up) {  in ufshcd_devfreq_scale()
1308 	ufshcd_clock_scaling_unprepare(hba, ret, scale_up);  in ufshcd_devfreq_scale()
1352 	bool scale_up, sched_clk_scaling_suspend_work = false;  in ufshcd_devfreq_target()  local
1378 	scale_up = *freq == clki->max_freq;  in ufshcd_devfreq_target()
1379 	if (!scale_up)  in ufshcd_devfreq_target()
1382 	if (!ufshcd_is_devfreq_scaling_required(hba, scale_up)) {  in ufshcd_devfreq_target()
1390 	ret = ufshcd_devfreq_scale(hba, scale_up);  in ufshcd_devfreq_target()
1393 		(scale_up ? "up" : "down"),  in ufshcd_devfreq_target()