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-rw-r--r--src/portable/raspberrypi/rp2040/rp2040_usb.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/portable/raspberrypi/rp2040/rp2040_usb.c b/src/portable/raspberrypi/rp2040/rp2040_usb.c
index 60a039556..7718293e5 100644
--- a/src/portable/raspberrypi/rp2040/rp2040_usb.c
+++ b/src/portable/raspberrypi/rp2040/rp2040_usb.c
@@ -210,6 +210,7 @@ void _hw_endpoint_xfer_sync(struct hw_endpoint *ep)
uint16_t transferred_bytes = buf_ctrl & USB_BUF_CTRL_LEN_MASK;
#if TUSB_OPT_HOST_ENABLED
+ // RP2040-E4
// tag::host_buf_sel_fix[]
// TODO need changes to support double buffering
if (ep->buf_sel == 1)