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-rw-r--r--drivers/usb/dwc3/core.h1
-rw-r--r--drivers/usb/dwc3/gadget.c4
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index ee73789326bc..f11570c8ffd0 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -464,6 +464,7 @@
#define DWC3_DCTL_TRGTULST_SS_INACT (DWC3_DCTL_TRGTULST(6))
/* These apply for core versions 1.94a and later */
+#define DWC3_DCTL_NYET_THRES_MASK (0xf << 20)
#define DWC3_DCTL_NYET_THRES(n) (((n) & 0xf) << 20)
#define DWC3_DCTL_KEEP_CONNECT BIT(19)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 83dc7304d701..31a654c6f15b 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -4195,8 +4195,10 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc)
WARN_ONCE(DWC3_VER_IS_PRIOR(DWC3, 240A) && dwc->has_lpm_erratum,
"LPM Erratum not available on dwc3 revisions < 2.40a\n");
- if (dwc->has_lpm_erratum && !DWC3_VER_IS_PRIOR(DWC3, 240A))
+ if (dwc->has_lpm_erratum && !DWC3_VER_IS_PRIOR(DWC3, 240A)) {
+ reg &= ~DWC3_DCTL_NYET_THRES_MASK;
reg |= DWC3_DCTL_NYET_THRES(dwc->lpm_nyet_threshold);
+ }
dwc3_gadget_dctl_write_safe(dwc, reg);
} else {