diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index fa6df9fbf005..1fc6ce73e407 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -661,6 +661,8 @@ static int dwc3_phy_setup(struct dwc3 *dwc)
 
 	if (dwc->dis_enblslpm_quirk)
 		reg &= ~DWC3_GUSB2PHYCFG_ENBLSLPM;
+	else
+		reg |= DWC3_GUSB2PHYCFG_ENBLSLPM;
 
 	if (dwc->dis_u2_freeclk_exists_quirk)
 		reg &= ~DWC3_GUSB2PHYCFG_U2_FREECLK_EXISTS;