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authorFelipe Balbi <felipe.balbi@nokia.com>2010-03-12 11:29:11 +0300
committerGreg Kroah-Hartman <gregkh@suse.de>2010-05-21 00:21:32 +0400
commit7f7f9e2a5af9e30c6a0c6743ac874f67e2ef4b72 (patch)
tree3d7fae6e559868e3ac110b3973650198458a815e /drivers/usb/musb/musb_debug.h
parent6ddc6dae4ab559b648bc348e3a48e113e92ab4a2 (diff)
downloadlinux-7f7f9e2a5af9e30c6a0c6743ac874f67e2ef4b72.tar.xz
usb: musb: add debugfs support
for now only a simple register dump entry (which can be rather useful on debugging) and a way to start test modes. Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/musb/musb_debug.h')
-rw-r--r--drivers/usb/musb/musb_debug.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/musb/musb_debug.h b/drivers/usb/musb/musb_debug.h
index 9fc1db44c72c..d73afdbde3ee 100644
--- a/drivers/usb/musb/musb_debug.h
+++ b/drivers/usb/musb/musb_debug.h
@@ -59,4 +59,17 @@ static inline int _dbg_level(unsigned l)
extern const char *otg_state_string(struct musb *);
+#ifdef CONFIG_DEBUG_FS
+extern int musb_init_debugfs(struct musb *musb);
+extern void musb_exit_debugfs(struct musb *musb);
+#else
+static inline int musb_init_debugfs(struct musb *musb)
+{
+ return 0;
+}
+static inline void musb_exit_debugfs(struct musb *musb)
+{
+}
+#endif
+
#endif /* __MUSB_LINUX_DEBUG_H__ */