[PATCH v1 01/10] resource: add create_resource() helper function
Oleksij Rempel
linux at rempel-privat.de
Wed May 16 09:42:24 PDT 2018
From: Antony Pavlov <antonynpavlov at gmail.com>
needed for kexec support
Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
---
common/resource.c | 15 +++++++++++++++
include/linux/ioport.h | 2 ++
2 files changed, 17 insertions(+)
diff --git a/common/resource.c b/common/resource.c
index e4bbe15fd..fa9ffd084 100644
--- a/common/resource.c
+++ b/common/resource.c
@@ -150,3 +150,18 @@ struct resource *request_ioport_region(const char *name,
return res;
}
+
+struct resource *create_resource(const char *name,
+ resource_size_t start, resource_size_t end)
+{
+ struct resource *t;
+
+ t = xzalloc(sizeof *t);
+ INIT_LIST_HEAD(&t->children);
+ t->parent = NULL;
+ t->name = xstrdup(name);
+ t->start = start;
+ t->end = end;
+
+ return t;
+}
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 3d375a874..2a944cc73 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -140,6 +140,8 @@ struct resource *__request_region(struct resource *parent,
resource_size_t size);
int release_region(struct resource *res);
+struct resource *create_resource(const char *name,
+ resource_size_t start, resource_size_t end);
extern struct resource iomem_resource;
extern struct resource ioport_resource;
--
2.14.1
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