diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 3f08796..8667ddf 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -4471,6 +4471,7 @@ static int _dwc2_hcd_suspend(struct usb_hcd *hcd)
 	unsigned long flags;
 	int ret = 0;
 	u32 hprt0;
+	u32 pcgctl;
 
 	spin_lock_irqsave(&hsotg->lock, flags);
 
@@ -4486,7 +4487,7 @@ static int _dwc2_hcd_suspend(struct usb_hcd *hcd)
 	if (hsotg->op_state == OTG_STATE_B_PERIPHERAL)
 		goto unlock;
 
-	if (hsotg->params.power_down != DWC2_POWER_DOWN_PARAM_PARTIAL)
+	if (hsotg->params.power_down > DWC2_POWER_DOWN_PARAM_PARTIAL)
 		goto skip_power_saving;
 
 	/*
@@ -4495,21 +4496,35 @@ static int _dwc2_hcd_suspend(struct usb_hcd *hcd)
 	 */
 	if (!hsotg->bus_suspended) {
 		hprt0 = dwc2_read_hprt0(hsotg);
-		hprt0 |= HPRT0_SUSP;
-		hprt0 &= ~HPRT0_PWR;
-		dwc2_writel(hsotg, hprt0, HPRT0);
-		spin_unlock_irqrestore(&hsotg->lock, flags);
-		dwc2_vbus_supply_exit(hsotg);
-		spin_lock_irqsave(&hsotg->lock, flags);
+		if (hprt0 & HPRT0_CONNSTS) {
+			hprt0 |= HPRT0_SUSP;
+			if (hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_PARTIAL)
+				hprt0 &= ~HPRT0_PWR;
+			dwc2_writel(hsotg, hprt0, HPRT0);
+		}
+		if (hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_PARTIAL) {
+			spin_unlock_irqrestore(&hsotg->lock, flags);
+			dwc2_vbus_supply_exit(hsotg);
+			spin_lock_irqsave(&hsotg->lock, flags);
+		} else {
+			pcgctl = readl(hsotg->regs + PCGCTL);
+			pcgctl |= PCGCTL_STOPPCLK;
+			writel(pcgctl, hsotg->regs + PCGCTL);
+		}
 	}
 
-	/* Enter partial_power_down */
-	ret = dwc2_enter_partial_power_down(hsotg);
-	if (ret) {
-		if (ret != -ENOTSUPP)
-			dev_err(hsotg->dev,
-				"enter partial_power_down failed\n");
-		goto skip_power_saving;
+	if (hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_PARTIAL) {
+		/* Enter partial_power_down */
+		ret = dwc2_enter_partial_power_down(hsotg);
+		if (ret) {
+			if (ret != -ENOTSUPP)
+				dev_err(hsotg->dev,
+					"enter partial_power_down failed\n");
+			goto skip_power_saving;
+		}
+
+		/* After entering partial_power_down, hardware is no more accessible */
+		clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
 	}
 
 	/* Ask phy to be suspended */
@@ -4519,9 +4534,6 @@ static int _dwc2_hcd_suspend(struct usb_hcd *hcd)
 		spin_lock_irqsave(&hsotg->lock, flags);
 	}
 
-	/* After entering partial_power_down, hardware is no more accessible */
-	clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
-
 skip_power_saving:
 	hsotg->lx_state = DWC2_L2;
 unlock:
@@ -4534,6 +4546,7 @@ static int _dwc2_hcd_resume(struct usb_hcd *hcd)
 {
 	struct dwc2_hsotg *hsotg = dwc2_hcd_to_hsotg(hcd);
 	unsigned long flags;
+	u32 pcgctl;
 	int ret = 0;
 
 	spin_lock_irqsave(&hsotg->lock, flags);
@@ -4544,18 +4557,12 @@ static int _dwc2_hcd_resume(struct usb_hcd *hcd)
 	if (hsotg->lx_state != DWC2_L2)
 		goto unlock;
 
-	if (hsotg->params.power_down != DWC2_POWER_DOWN_PARAM_PARTIAL) {
+	if (hsotg->params.power_down > DWC2_POWER_DOWN_PARAM_PARTIAL) {
 		hsotg->lx_state = DWC2_L0;
 		goto unlock;
 	}
 
 	/*
-	 * Set HW accessible bit before powering on the controller
-	 * since an interrupt may rise.
-	 */
-	set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
-
-	/*
 	 * Enable power if not already done.
 	 * This must not be spinlocked since duration
 	 * of this call is unknown.
@@ -4566,10 +4573,23 @@ static int _dwc2_hcd_resume(struct usb_hcd *hcd)
 		spin_lock_irqsave(&hsotg->lock, flags);
 	}
 
-	/* Exit partial_power_down */
-	ret = dwc2_exit_partial_power_down(hsotg, true);
-	if (ret && (ret != -ENOTSUPP))
-		dev_err(hsotg->dev, "exit partial_power_down failed\n");
+	if (hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_PARTIAL) {
+		/*
+		 * Set HW accessible bit before powering on the controller
+		 * since an interrupt may rise.
+		 */
+		set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+
+
+		/* Exit partial_power_down */
+		ret = dwc2_exit_partial_power_down(hsotg, true);
+		if (ret && (ret != -ENOTSUPP))
+			dev_err(hsotg->dev, "exit partial_power_down failed\n");
+	} else {
+		pcgctl = readl(hsotg->regs + PCGCTL);
+		pcgctl &= ~PCGCTL_STOPPCLK;
+		writel(pcgctl, hsotg->regs + PCGCTL);
+	}
 
 	hsotg->lx_state = DWC2_L0;
 
@@ -4581,10 +4601,12 @@ static int _dwc2_hcd_resume(struct usb_hcd *hcd)
 		spin_unlock_irqrestore(&hsotg->lock, flags);
 		dwc2_port_resume(hsotg);
 	} else {
-		dwc2_vbus_supply_init(hsotg);
+		if (hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_PARTIAL) {
+			dwc2_vbus_supply_init(hsotg);
 
-		/* Wait for controller to correctly update D+/D- level */
-		usleep_range(3000, 5000);
+			/* Wait for controller to correctly update D+/D- level */
+			usleep_range(3000, 5000);
+		}
 
 		/*
 		 * Clear Port Enable and Port Status changes.