Fix usb_dwc_common.c late IN usb interrupt flag clearing, libopencm3#…

…1241 This commit fixes issue libopencm3#1241
blackmagic-debug · Aug 11, 2024 · 5e581f2 · 5e581f2
1 parent 705c6ec
commit 5e581f2
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/usb/usb_dwc_common.c b/lib/usb/usb_dwc_common.c
@@ -341,13 +341,13 @@ void dwc_poll(usbd_device *usbd_dev)
 	for (i = 0; i < 4; i++) { /* Iterate over endpoints. */
 		if (REBASE(OTG_DIEPINT(i)) & OTG_DIEPINTX_XFRC) {
 			/* Transfer complete. */
+			REBASE(OTG_DIEPINT(i)) = OTG_DIEPINTX_XFRC;
+
 			if (usbd_dev->user_callback_ctr[i]
 						       [USB_TRANSACTION_IN]) {
 				usbd_dev->user_callback_ctr[i]
 					[USB_TRANSACTION_IN](usbd_dev, i);
 			}
-
-			REBASE(OTG_DIEPINT(i)) = OTG_DIEPINTX_XFRC;
 		}
 	}