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authorIngo Molnar <mingo@elte.hu>2008-08-20 12:39:18 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-20 12:39:18 +0200
commit170465ee7f5a9a2d0ac71285507e52642e040353 (patch)
treedbca81f04cde9e625170abbd6a72555cfbeb194e /include/linux/ioport.h
parent169ad16bb87c10a3f7c108bb7008ebc0270f617a (diff)
parent1fca25427482387689fa27594c992a961d98768f (diff)
Merge branch 'linus' into x86/xen
Diffstat (limited to 'include/linux/ioport.h')
-rw-r--r--include/linux/ioport.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 2cd07cc2968..22d2115458c 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -118,6 +118,10 @@ extern int allocate_resource(struct resource *root, struct resource *new,
int adjust_resource(struct resource *res, resource_size_t start,
resource_size_t size);
resource_size_t resource_alignment(struct resource *res);
+static inline resource_size_t resource_size(struct resource *res)
+{
+ return res->end - res->start + 1;
+}
/* Convenience shorthand with allocation */
#define request_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name))