diff --git a/src/portable/synopsys/dwc2/dcd_dwc2.c b/src/portable/synopsys/dwc2/dcd_dwc2.c index 5f86d6b76..f10f0bdc3 100644 --- a/src/portable/synopsys/dwc2/dcd_dwc2.c +++ b/src/portable/synopsys/dwc2/dcd_dwc2.c @@ -431,7 +431,7 @@ bool dcd_init(uint8_t rhport, const tusb_rhport_init_t* rh_init) { #endif // Enable required interrupts - dwc2->gintmsk |= GINTMSK_OTGINT | GINTMSK_USBSUSPM | GINTMSK_USBRST | GINTMSK_ENUMDNEM | GINTMSK_WUIM; + dwc2->gintmsk |= GINTMSK_OTGINT | GINTMSK_USBRST | GINTMSK_ENUMDNEM | GINTMSK_WUIM; // TX FIFO empty level for interrupt is complete empty uint32_t gahbcfg = dwc2->gahbcfg; @@ -1032,16 +1032,19 @@ void dcd_int_handler(uint8_t rhport) { if (gintsts & GINTSTS_ENUMDNE) { // ENUMDNE is the end of reset where speed of the link is detected dwc2->gintsts = GINTSTS_ENUMDNE; + dwc2->gintmsk |= GINTMSK_USBSUSPM; handle_enum_done(rhport); } if (gintsts & GINTSTS_USBSUSP) { dwc2->gintsts = GINTSTS_USBSUSP; + dwc2->gintmsk &= ~GINTMSK_USBSUSPM; dcd_event_bus_signal(rhport, DCD_EVENT_SUSPEND, true); } if (gintsts & GINTSTS_WKUINT) { dwc2->gintsts = GINTSTS_WKUINT; + dwc2->gintmsk |= GINTMSK_USBSUSPM; dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true); } @@ -1061,6 +1064,7 @@ void dcd_int_handler(uint8_t rhport) { if(gintsts & GINTSTS_SOF) { dwc2->gintsts = GINTSTS_SOF; + dwc2->gintmsk |= GINTMSK_USBSUSPM; const uint32_t frame = (dwc2->dsts & DSTS_FNSOF) >> DSTS_FNSOF_Pos; // Disable SOF interrupt if SOF was not explicitly enabled since SOF was used for remote wakeup detection