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-rw-r--r--include/linux/ioport.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 2cd07cc29687..350033e8f4e1 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -109,6 +109,7 @@ extern struct resource iomem_resource;
109extern int request_resource(struct resource *root, struct resource *new); 109extern int request_resource(struct resource *root, struct resource *new);
110extern int release_resource(struct resource *new); 110extern int release_resource(struct resource *new);
111extern int insert_resource(struct resource *parent, struct resource *new); 111extern int insert_resource(struct resource *parent, struct resource *new);
112extern void insert_resource_expand_to_fit(struct resource *root, struct resource *new);
112extern int allocate_resource(struct resource *root, struct resource *new, 113extern int allocate_resource(struct resource *root, struct resource *new,
113 resource_size_t size, resource_size_t min, 114 resource_size_t size, resource_size_t min,
114 resource_size_t max, resource_size_t align, 115 resource_size_t max, resource_size_t align,
@@ -118,6 +119,10 @@ extern int allocate_resource(struct resource *root, struct resource *new,
118int adjust_resource(struct resource *res, resource_size_t start, 119int adjust_resource(struct resource *res, resource_size_t start,
119 resource_size_t size); 120 resource_size_t size);
120resource_size_t resource_alignment(struct resource *res); 121resource_size_t resource_alignment(struct resource *res);
122static inline resource_size_t resource_size(struct resource *res)
123{
124 return res->end - res->start + 1;
125}
121 126
122/* Convenience shorthand with allocation */ 127/* Convenience shorthand with allocation */
123#define request_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name)) 128#define request_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name))
@@ -154,9 +159,9 @@ extern struct resource * __devm_request_region(struct device *dev,
154 struct resource *parent, resource_size_t start, 159 struct resource *parent, resource_size_t start,
155 resource_size_t n, const char *name); 160 resource_size_t n, const char *name);
156 161
157#define devm_release_region(start,n) \ 162#define devm_release_region(dev, start, n) \
158 __devm_release_region(dev, &ioport_resource, (start), (n)) 163 __devm_release_region(dev, &ioport_resource, (start), (n))
159#define devm_release_mem_region(start,n) \ 164#define devm_release_mem_region(dev, start, n) \
160 __devm_release_region(dev, &iomem_resource, (start), (n)) 165 __devm_release_region(dev, &iomem_resource, (start), (n))
161 166
162extern void __devm_release_region(struct device *dev, struct resource *parent, 167extern void __devm_release_region(struct device *dev, struct resource *parent,