resource: add release_child_resources
Useful for freeing a portion of the resource tree, e.g. when trying to
reallocate resources more efficiently.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 4a81189..dda9841 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -112,6 +112,7 @@
extern int request_resource(struct resource *root, struct resource *new);
extern int release_resource(struct resource *new);
+void release_child_resources(struct resource *new);
extern void reserve_region_with_split(struct resource *root,
resource_size_t start, resource_size_t end,
const char *name);