dwc2: process IN EP before OUT

To avoid STATUS IN completion of previous control transfer treated as next DATA IN  when IRQ latency is high.

Signed-off-by: HiFiPhile <[email protected]>

1 files changed, 6 insertions, 6 deletions

diff --git a/src/portable/synopsys/dwc2/dcd_dwc2.c b/src/portable/synopsys/dwc2/dcd_dwc2.c
index 233840e8b..c90429a15 100644
--- a/src/portable/synopsys/dwc2/dcd_dwc2.c
+++ b/src/portable/synopsys/dwc2/dcd_dwc2.c
@@ -1213,6 +1213,12 @@ void dcd_int_handler(uint8_t rhport) {
     dcd_event_sof(rhport, frame, true);
   }
 
+  // IN endpoint interrupt handling.
+  if (gintsts & GINTSTS_IEPINT) {
+    // IEPINT bit read-only, clear using DIEPINTn
+    handle_ep_irq(rhport, TUSB_DIR_IN);
+  }
+
 #if CFG_TUD_DWC2_SLAVE_ENABLE
   // RxFIFO non-empty interrupt handling.
   if (gintsts & GINTSTS_RXFLVL) {
@@ -1235,12 +1241,6 @@ void dcd_int_handler(uint8_t rhport) {
   }
 #endif
 
-  // IN endpoint interrupt handling.
-  if (gintsts & GINTSTS_IEPINT) {
-    // IEPINT bit read-only, clear using DIEPINTn
-    handle_ep_irq(rhport, TUSB_DIR_IN);
-  }
-
   // Incomplete isochronous IN transfer interrupt handling.
   if (gintsts & GINTSTS_IISOIXFR) {
     dwc2->gintsts = GINTSTS_IISOIXFR;