1 files changed, 0 insertions, 99 deletions
diff --git a/chip/stm32/usb_dwc_stream.c b/chip/stm32/usb_dwc_stream.c
deleted file mode 100644
index 2f20d88dda..0000000000
--- a/chip/stm32/usb_dwc_stream.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/* Copyright 2016 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "registers.h"
-#include "timer.h"
-#include "usb_dwc_stream.h"
-#include "util.h"
-
-#include "console.h"
-#define CPRINTF(format, args...) cprintf(CC_USB, format, ## args)
-
-/*
- * This function tries to shove new bytes from the USB host into the queue for
- * consumption elsewhere. It is invoked either by a HW interrupt (telling us we
- * have new bytes from the USB host), or by whoever is reading bytes out of the
- * other end of the queue (telling us that there's now more room in the queue
- * if we still have bytes to shove in there).
- */
-int rx_stream_handler(struct usb_stream_config const *config)
-{
-	int rx_count = rx_ep_pending(config->endpoint);
-
-	/* If we have some, try to shove them into the queue */
-	if (rx_count) {
-		size_t added = QUEUE_ADD_UNITS(
-			config->producer.queue, config->rx_ram,
-			rx_count);
-		if (added != rx_count) {
-			CPRINTF("rx_stream_handler: failed ep%d "
-				"queue %d bytes, accepted %d\n",
-				config->endpoint, rx_count, added);
-		}
-	}
-
-	if (!rx_ep_is_active(config->endpoint))
-		usb_read_ep(config->endpoint, config->rx_size, config->rx_ram);
-
-	return rx_count;
-}
-
-/* Try to send some bytes to the host */
-int tx_stream_handler(struct usb_stream_config const *config)
-{
-	size_t count;
-
-	if (!*(config->is_reset))
-		return 0;
-	if (!tx_ep_is_ready(config->endpoint))
-		return 0;
-
-	count = QUEUE_REMOVE_UNITS(config->consumer.queue, config->tx_ram,
-				   config->tx_size);
-	if (count)
-		usb_write_ep(config->endpoint, count, config->tx_ram);
-
-	return count;
-}
-
-/* Reset stream */
-void usb_stream_event(struct usb_stream_config const *config,
-		enum usb_ep_event evt)
-{
-	if (evt != USB_EVENT_RESET)
-		return;
-
-	epN_reset(config->endpoint);
-
-	*(config->is_reset) = 1;
-
-	/* Flush any queued data */
-	hook_call_deferred(config->deferred_tx, 0);
-	hook_call_deferred(config->deferred_rx, 0);
-}
-
-static void usb_read(struct producer const *producer, size_t count)
-{
-	struct usb_stream_config const *config =
-		DOWNCAST(producer, struct usb_stream_config, producer);
-
-	hook_call_deferred(config->deferred_rx, 0);
-}
-
-static void usb_written(struct consumer const *consumer, size_t count)
-{
-	struct usb_stream_config const *config =
-		DOWNCAST(consumer, struct usb_stream_config, consumer);
-
-	hook_call_deferred(config->deferred_tx, 0);
-}
-
-struct producer_ops const usb_stream_producer_ops = {
-	.read = usb_read,
-};
-
-struct consumer_ops const usb_stream_consumer_ops = {
-	.written = usb_written,
-};