usb: chipidea: split the driver code into units

Split the driver into the following parts:
  * core  -- resources, register access, capabilities, etc;
  * udc   -- device controller functionality;
  * debug -- logging events.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 56 insertions, 0 deletions

diff --git a/drivers/usb/chipidea/debug.h b/drivers/usb/chipidea/debug.h
new file mode 100644
index 000000000000..80d96865775c
--- /dev/null
+++ b/drivers/usb/chipidea/debug.h
@@ -0,0 +1,56 @@
+/*
+ * debug.h - ChipIdea USB driver debug interfaces
+ *
+ * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved.
+ *
+ * Author: David Lopo
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __DRIVERS_USB_CHIPIDEA_DEBUG_H
+#define __DRIVERS_USB_CHIPIDEA_DEBUG_H
+
+#ifdef CONFIG_USB_CHIPIDEA_DEBUG
+void dbg_interrupt(u32 intmask);
+void dbg_done(u8 addr, const u32 token, int status);
+void dbg_event(u8 addr, const char *name, int status);
+void dbg_queue(u8 addr, const struct usb_request *req, int status);
+void dbg_setup(u8 addr, const struct usb_ctrlrequest *req);
+int dbg_create_files(struct device *dev);
+int dbg_remove_files(struct device *dev);
+#else
+static inline void dbg_interrupt(u32 intmask)
+{
+}
+
+static inline void dbg_done(u8 addr, const u32 token, int status)
+{
+}
+
+static inline void dbg_event(u8 addr, const char *name, int status)
+{
+}
+
+static inline void dbg_queue(u8 addr, const struct usb_request *req, int status)
+{
+}
+
+static inline void dbg_setup(u8 addr, const struct usb_ctrlrequest *req)
+{
+}
+
+static inline int dbg_create_files(struct device *dev)
+{
+	return 0;
+}
+
+static inline int dbg_remove_files(struct device *dev)
+{
+	return 0;
+}
+#endif
+
+#endif /* __DRIVERS_USB_CHIPIDEA_DEBUG_H */