dm: Avoid using #ifdef for CONFIG_OF_LIVE
At present this option results in a number of #ifdefs due to the presence
or absence of the global_data of_root member.
Add a few macros to global_data.h to work around this. Update the code
accordingly.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index 0157af1..cadfc05 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -211,7 +211,7 @@
* @fdt_size: space reserved for relocated device space
*/
unsigned long fdt_size;
-#ifdef CONFIG_OF_LIVE
+#if CONFIG_IS_ENABLED(OF_LIVE)
/**
* @of_root: root node of the live tree
*/
@@ -427,6 +427,17 @@
#define gd_board_type() 0
#endif
+/* These macros help avoid #ifdefs in the code */
+#if CONFIG_IS_ENABLED(OF_LIVE)
+#define gd_of_root() gd->of_root
+#define gd_of_root_ptr() &gd->of_root
+#define gd_set_of_root(_root) gd->of_root = (_root)
+#else
+#define gd_of_root() NULL
+#define gd_of_root_ptr() NULL
+#define gd_set_of_root(_root)
+#endif
+
/**
* enum gd_flags - global data flags
*