usb: chipidea: support debugfs without CONFIG_USB_CHIPIDEA_DEBUG

Since we need to mount debugfs to show/store the things we
want to debug, it is duplicated to add another configuration
to enable it. Meanwhile, with CONFIG_USB_CHIPIDEA_DEBUG,
we can't support chipidea debugfs at runtime.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Cc: Jun Li <jun.li@freescale.com>

drivers/usb/chipidea/Makefile

@@ -2,10 +2,9 @@ ccflags-$(CONFIG_USB_CHIPIDEA_DEBUG) := -DDEBUG
 
 obj-$(CONFIG_USB_CHIPIDEA)		+= ci_hdrc.o
 
-ci_hdrc-y				:= core.o otg.o
+ci_hdrc-y				:= core.o otg.o debug.o
 ci_hdrc-$(CONFIG_USB_CHIPIDEA_UDC)	+= udc.o
 ci_hdrc-$(CONFIG_USB_CHIPIDEA_HOST)	+= host.o
-ci_hdrc-$(CONFIG_USB_CHIPIDEA_DEBUG)	+= debug.o
 ci_hdrc-$(CONFIG_USB_OTG_FSM)		+= otg_fsm.o
 
 # Glue/Bridge layers go here

drivers/usb/chipidea/ci.h

@@ -433,4 +433,7 @@ int hw_wait_reg(struct ci_hdrc *ci, enum ci_hw_regs reg, u32 mask,
 
 void ci_platform_configure(struct ci_hdrc *ci);
 
+int dbg_create_files(struct ci_hdrc *ci);
+
+void dbg_remove_files(struct ci_hdrc *ci);
 #endif	/* __DRIVERS_USB_CHIPIDEA_CI_H */

drivers/usb/chipidea/core.c

@@ -71,7 +71,6 @@
 #include "udc.h"
 #include "bits.h"
 #include "host.h"
-#include "debug.h"
 #include "otg.h"
 #include "otg_fsm.h"
 

drivers/usb/chipidea/debug.c

@@ -15,7 +15,6 @@
 #include "ci.h"
 #include "udc.h"
 #include "bits.h"
-#include "debug.h"
 #include "otg.h"
 
 /**

drivers/usb/chipidea/debug.h

@@ -1,30 +0,0 @@
-/*
- * 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
-int dbg_create_files(struct ci_hdrc *ci);
-void dbg_remove_files(struct ci_hdrc *ci);
-#else
-static inline int dbg_create_files(struct ci_hdrc *ci)
-{
-	return 0;
-}
-
-static inline void dbg_remove_files(struct ci_hdrc *ci)
-{
-}
-#endif
-
-#endif /* __DRIVERS_USB_CHIPIDEA_DEBUG_H */

drivers/usb/chipidea/udc.c

@@ -26,7 +26,6 @@
 #include "ci.h"
 #include "udc.h"
 #include "bits.h"
-#include "debug.h"
 #include "otg.h"
 #include "otg_fsm.h"