ACPI / bind: Move acpi_get_child() to drivers/ide/ide-acpi.c

Since drivers/ide/ide-acpi.c is the only remaining user of
acpi_get_child(), move that function into that file as a static
routine.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 896351b..0c78922 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -151,18 +151,6 @@
 }
 EXPORT_SYMBOL_GPL(acpi_find_child_device);
 
-acpi_handle acpi_get_child(acpi_handle handle, u64 addr)
-{
-	struct acpi_device *adev;
-
-	if (!handle || acpi_bus_get_device(handle, &adev))
-		return NULL;
-
-	adev = acpi_find_child_device(adev, addr, false);
-	return adev ? adev->handle : NULL;
-}
-EXPORT_SYMBOL_GPL(acpi_get_child);
-
 static void acpi_physnode_link_name(char *buf, unsigned int node_id)
 {
 	if (node_id > 0)
diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index 333d405..b694099 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -97,6 +97,17 @@
 	return ide_noacpi == 0 && hwif->acpidata;
 }
 
+static acpi_handle acpi_get_child(acpi_handle handle, u64 addr)
+{
+	struct acpi_device *adev;
+
+	if (!handle || acpi_bus_get_device(handle, &adev))
+		return NULL;
+
+	adev = acpi_find_child_device(adev, addr, false);
+	return adev ? adev->handle : NULL;
+}
+
 /**
  * ide_get_dev_handle - finds acpi_handle and PCI device.function
  * @dev: device to locate
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index a50898e..7135fe3 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -434,7 +434,6 @@
 
 struct acpi_device *acpi_find_child_device(struct acpi_device *parent,
 					   u64 address, bool check_children);
-acpi_handle acpi_get_child(acpi_handle handle, u64 addr);
 int acpi_is_root_bridge(acpi_handle);
 struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle);