diff options
Diffstat (limited to 'include/linux/ioport.h')
-rw-r--r-- | include/linux/ioport.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/ioport.h b/include/linux/ioport.h index 2cd07cc29687..22d2115458c6 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)) |