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-rw-r--r--drivers/of/device.c41
-rw-r--r--drivers/of/platform.c40
-rw-r--r--include/linux/of_device.h6
3 files changed, 47 insertions, 40 deletions
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 1ca42ad9dd15..6e9572c4af83 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -304,3 +304,44 @@ int of_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *
return 0;
}
EXPORT_SYMBOL_GPL(of_device_uevent_modalias);
+
+/**
+ * of_device_make_bus_id - Use the device node data to assign a unique name
+ * @dev: pointer to device structure that is linked to a device tree node
+ *
+ * This routine will first try using the translated bus address to
+ * derive a unique name. If it cannot, then it will prepend names from
+ * parent nodes until a unique name can be derived.
+ */
+void of_device_make_bus_id(struct device *dev)
+{
+ struct device_node *node = dev->of_node;
+ const __be32 *reg;
+ u64 addr;
+ u32 mask;
+
+ /* Construct the name, using parent nodes if necessary to ensure uniqueness */
+ while (node->parent) {
+ /*
+ * If the address can be translated, then that is as much
+ * uniqueness as we need. Make it the first component and return
+ */
+ reg = of_get_property(node, "reg", NULL);
+ if (reg && (addr = of_translate_address(node, reg)) != OF_BAD_ADDR) {
+ if (!of_property_read_u32(node, "mask", &mask))
+ dev_set_name(dev, dev_name(dev) ? "%llx.%x.%pOFn:%s" : "%llx.%x.%pOFn",
+ addr, ffs(mask) - 1, node, dev_name(dev));
+
+ else
+ dev_set_name(dev, dev_name(dev) ? "%llx.%pOFn:%s" : "%llx.%pOFn",
+ addr, node, dev_name(dev));
+ return;
+ }
+
+ /* format arguments only used if dev_name() resolves to NULL */
+ dev_set_name(dev, dev_name(dev) ? "%s:%s" : "%s",
+ kbasename(node->full_name), dev_name(dev));
+ node = node->parent;
+ }
+}
+EXPORT_SYMBOL_GPL(of_device_make_bus_id);
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 126d265aa7d8..c39e49a1eba0 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -98,46 +98,6 @@ static const struct of_device_id of_skipped_node_table[] = {
*/
/**
- * of_device_make_bus_id - Use the device node data to assign a unique name
- * @dev: pointer to device structure that is linked to a device tree node
- *
- * This routine will first try using the translated bus address to
- * derive a unique name. If it cannot, then it will prepend names from
- * parent nodes until a unique name can be derived.
- */
-static void of_device_make_bus_id(struct device *dev)
-{
- struct device_node *node = dev->of_node;
- const __be32 *reg;
- u64 addr;
- u32 mask;
-
- /* Construct the name, using parent nodes if necessary to ensure uniqueness */
- while (node->parent) {
- /*
- * If the address can be translated, then that is as much
- * uniqueness as we need. Make it the first component and return
- */
- reg = of_get_property(node, "reg", NULL);
- if (reg && (addr = of_translate_address(node, reg)) != OF_BAD_ADDR) {
- if (!of_property_read_u32(node, "mask", &mask))
- dev_set_name(dev, dev_name(dev) ? "%llx.%x.%pOFn:%s" : "%llx.%x.%pOFn",
- addr, ffs(mask) - 1, node, dev_name(dev));
-
- else
- dev_set_name(dev, dev_name(dev) ? "%llx.%pOFn:%s" : "%llx.%pOFn",
- addr, node, dev_name(dev));
- return;
- }
-
- /* format arguments only used if dev_name() resolves to NULL */
- dev_set_name(dev, dev_name(dev) ? "%s:%s" : "%s",
- kbasename(node->full_name), dev_name(dev));
- node = node->parent;
- }
-}
-
-/**
* of_device_alloc - Allocate and initialize an of_device
* @np: device node to assign to device
* @bus_id: Name to assign to the device. May be null to use default name.
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index 2c7a3d4bc775..a72661e47faa 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -40,6 +40,9 @@ static inline int of_dma_configure(struct device *dev,
{
return of_dma_configure_id(dev, np, force_dma, NULL);
}
+
+void of_device_make_bus_id(struct device *dev);
+
#else /* CONFIG_OF */
static inline int of_driver_match_device(struct device *dev,
@@ -82,6 +85,9 @@ static inline int of_dma_configure(struct device *dev,
{
return 0;
}
+
+static inline void of_device_make_bus_id(struct device *dev) {}
+
#endif /* CONFIG_OF */
#endif /* _LINUX_OF_DEVICE_H */