usb: ehci: remove old stub_debug_files definition

This patch removes the local STUB_DEBUG_FILES debugging
definition. STUB_DEBUG_FILES was used only in ehci-hcd, whereas
CONFIG_DYNAMIC_DEBUG is used all over the kernel.
Signed-off-by: Geyslan G. Bem <geyslan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/ehci-dbg.c

@@ -341,7 +341,7 @@ dbg_port(struct ehci_hcd *ehci, const char *label, int port, u32 status)
 
 /*-------------------------------------------------------------------------*/
 
-#ifdef STUB_DEBUG_FILES
+#ifndef CONFIG_DYNAMIC_DEBUG
 
 static inline void create_debug_files(struct ehci_hcd *bus) { }
 static inline void remove_debug_files(struct ehci_hcd *bus) { }
@@ -1120,4 +1120,4 @@ static inline void remove_debug_files(struct ehci_hcd *ehci)
 	debugfs_remove_recursive(ehci->debug_dir);
 }
 
-#endif /* STUB_DEBUG_FILES */
+#endif /* CONFIG_DYNAMIC_DEBUG */

drivers/usb/host/ehci.h

@@ -870,11 +870,6 @@ static inline u32 hc32_to_cpup(const struct ehci_hcd *ehci, const __hc32 *x)
 #define ehci_warn(ehci, fmt, args...) \
 	dev_warn(ehci_to_hcd(ehci)->self.controller, fmt, ## args)
 
-
-#ifndef CONFIG_DYNAMIC_DEBUG
-#define STUB_DEBUG_FILES
-#endif
-
 /*-------------------------------------------------------------------------*/
 
 /* Declarations of things exported for use by ehci platform drivers */