mfd: Break out ab5500 debugfs code
This breaks the debugfs portions of the AB5500 driver into its own
file. Split off a _raw function to access registers since we don't
want to expose a generically named function globally. Move all
required data structures to a shared ab5500-core.h file.
Cc: Mattias Wallin <mattias.wallin@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/ab5500-debugfs.h b/drivers/mfd/ab5500-debugfs.h
new file mode 100644
index 0000000..7330a9b
--- /dev/null
+++ b/drivers/mfd/ab5500-debugfs.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2011 ST-Ericsson
+ * License terms: GNU General Public License (GPL) version 2
+ * Debugfs interface to the AB5500 core driver
+ */
+
+#ifdef CONFIG_DEBUG_FS
+
+void ab5500_setup_debugfs(struct ab5500 *ab);
+void ab5500_remove_debugfs(void);
+
+#else /* !CONFIG_DEBUG_FS */
+
+static inline void ab5500_setup_debugfs(struct ab5500 *ab)
+{
+}
+
+static inline void ab5500_remove_debugfs(void)
+{
+}
+
+#endif