Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile

[firefly-linux-kernel-4.4.55.git] / kernel / resource.c

diff --git a/kernel/resource.c b/kernel/resource.c
index 0bcebffc4e77d5f45571e38ddc5dcc38f40594f4..19f2357dfda3fe88f7e0ddc6b29778176138a619 100644 (file)
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -22,6 +22,7 @@
 #include <linux/device.h>
 #include <linux/pfn.h>
 #include <linux/mm.h>
+#include <linux/resource_ext.h>
 #include <asm/io.h>
 
 
@@ -1529,6 +1530,30 @@ int iomem_is_exclusive(u64 addr)
        return err;
 }
 
+struct resource_entry *resource_list_create_entry(struct resource *res,
+                                                 size_t extra_size)
+{
+       struct resource_entry *entry;
+
+       entry = kzalloc(sizeof(*entry) + extra_size, GFP_KERNEL);
+       if (entry) {
+               INIT_LIST_HEAD(&entry->node);
+               entry->res = res ? res : &entry->__res;
+       }
+
+       return entry;
+}
+EXPORT_SYMBOL(resource_list_create_entry);
+
+void resource_list_free(struct list_head *head)
+{
+       struct resource_entry *entry, *tmp;
+
+       list_for_each_entry_safe(entry, tmp, head, node)
+               resource_list_destroy_entry(entry);
+}
+EXPORT_SYMBOL(resource_list_free);
+
 static int __init strict_iomem(char *str)
 {
        if (strstr(str, "relaxed"))