[U-Boot] [PATCH] dm: core: Decouple DM from DT

[Marek Vasut]

Some of the DM functions depend on OF_CONTROL, which is incorrect.
DM and DT are orthogonal. Add macro guards around such functions to
avoid compiling them in when DM is enabled, while OF_CONTROL is not.

Signed-off-by: Marek Vasut <marek.vasut+renesas at gmail.com>
Cc: Simon Glass <sjg at chromium.org>
---
 drivers/core/device.c | 4 ++++
 drivers/core/root.c   | 8 +-------
 drivers/core/util.c   | 2 ++
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/core/device.c b/drivers/core/device.c
index 474c1642ee..05dadf98f9 100644
--- a/drivers/core/device.c
+++ b/drivers/core/device.c
@@ -526,6 +526,7 @@ static int device_get_device_tail(struct udevice *dev, int ret,
 	return 0;
 }
 
+#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
 /**
  * device_find_by_ofnode() - Return device associated with given ofnode
  *
@@ -552,6 +553,7 @@ static int device_find_by_ofnode(ofnode node, struct udevice **devp)
 
 	return -ENODEV;
 }
+#endif
 
 int device_get_child(struct udevice *parent, int index, struct udevice **devp)
 {
@@ -817,6 +819,7 @@ int device_set_name(struct udevice *dev, const char *name)
 	return 0;
 }
 
+#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
 bool device_is_compatible(struct udevice *dev, const char *compat)
 {
 	return ofnode_device_is_compatible(dev_ofnode(dev), compat);
@@ -879,3 +882,4 @@ int dev_enable_by_path(const char *path)
 
 	return lists_bind_fdt(parent, node, NULL, false);
 }
+#endif
diff --git a/drivers/core/root.c b/drivers/core/root.c
index aa5ca4087a..e85643819e 100644
--- a/drivers/core/root.c
+++ b/drivers/core/root.c
@@ -314,13 +314,6 @@ int dm_scan_fdt(const void *blob, bool pre_reloc_only)
 #endif
 	return dm_scan_fdt_node(gd->dm_root, blob, 0, pre_reloc_only);
 }
-#else
-static int dm_scan_fdt_node(struct udevice *parent, const void *blob,
-			    int offset, bool pre_reloc_only)
-{
-	return 0;
-}
-#endif
 
 static int dm_scan_fdt_ofnode_path(const char *path, bool pre_reloc_only)
 {
@@ -360,6 +353,7 @@ int dm_extended_scan_fdt(const void *blob, bool pre_reloc_only)
 
 	return ret;
 }
+#endif
 
 __weak int dm_scan_other(bool pre_reloc_only)
 {
diff --git a/drivers/core/util.c b/drivers/core/util.c
index 60b939a924..7dc1a2af02 100644
--- a/drivers/core/util.c
+++ b/drivers/core/util.c
@@ -31,6 +31,7 @@ int list_count_items(struct list_head *head)
 	return count;
 }
 
+#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
 bool dm_ofnode_pre_reloc(ofnode node)
 {
 #if defined(CONFIG_SPL_BUILD) || defined(CONFIG_TPL_BUILD)
@@ -56,3 +57,4 @@ bool dm_ofnode_pre_reloc(ofnode node)
 	return false;
 #endif
 }
+#endif
-- 
2.23.0.rc1