ch32: remove redundant EP toggle check Signed-off-by: HiFiPhile <admin@hifiphile.com>

diff --git a/src/portable/wch/dcd_ch32_usbhs.c b/src/portable/wch/dcd_ch32_usbhs.c
index d531feb..f04f9aa 100644
--- a/src/portable/wch/dcd_ch32_usbhs.c
+++ b/src/portable/wch/dcd_ch32_usbhs.c

@@ -102,16 +102,12 @@
   }
 }
 
-static void update_out(uint8_t rhport, uint8_t ep_num, uint16_t rx_len, bool is_tog_ok) {
+static void update_out(uint8_t rhport, uint8_t ep_num, uint16_t rx_len) {
   xfer_ctl_t* xfer = XFER_CTL_BASE(ep_num, TUSB_DIR_OUT);
   if (!xfer->valid) {
     return;
   }
 
-  if (!is_tog_ok && ep_num != 0 && !xfer->is_iso) {
-    return;
-  }
-
   uint16_t remaining = xfer->total_len - xfer->queued_len;
   uint16_t len = TU_MIN(rx_len, TU_MIN(remaining, xfer->max_size));
 
@@ -423,19 +419,21 @@
         uint32_t frame_count = USBHSD->FRAME_NO & USBHS_FRAME_NO_NUM_MASK;
         dcd_event_sof(rhport, frame_count, true);
       }
-    } else if (token == USBHS_TOKEN_PID_OUT) {
+    // Drop an OUT packet whose data toggle doesn't match what we expect -- a host retransmit
+    // after a lost ACK, or a host that doesn't alternate DATA0/DATA1.
+    } else if (token == USBHS_TOKEN_PID_OUT && (int_status & USBHS_DEV_UIS_TOG_OK)) {
       if (ep_num != 0) {
         // Release early: ISO transfers ignore INT_BUSY and would overwrite
         // the shared INT_ST/RX_LEN of this pending completion.
         xfer_ctl_t const *const out = XFER_CTL_BASE(ep_num, TUSB_DIR_OUT);
         // Keep the receive armed if update_out() rejects this packet's toggle.
-        if (!out->is_iso && (int_status & USBHS_TOG_MATCH) != 0) {
+        if (!out->is_iso) {
           EP_RX_CTRL(ep_num) = (EP_RX_CTRL(ep_num) & ~(USBHS_EP_R_RES_MASK)) | USBHS_EP_R_RES_NAK;
         }
         USBHSD->INT_FG = USBHS_TRANSFER_FLAG;
         released = true;
       }
-      update_out(rhport, ep_num, len, (int_status & USBHS_TOG_MATCH) != 0);
+      update_out(rhport, ep_num, len);
     } else if (token == USBHS_TOKEN_PID_IN) {
       if (ep_num != 0) {
         // Release early, as for OUT.