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-rw-r--r--include/linux/ioport.h15
1 files changed, 12 insertions, 3 deletions
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 8d3b7a9afd17..041e95aac2bf 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -34,7 +34,8 @@ struct resource_list {
34 */ 34 */
35#define IORESOURCE_BITS 0x000000ff /* Bus-specific bits */ 35#define IORESOURCE_BITS 0x000000ff /* Bus-specific bits */
36 36
37#define IORESOURCE_IO 0x00000100 /* Resource type */ 37#define IORESOURCE_TYPE_BITS 0x00000f00 /* Resource type */
38#define IORESOURCE_IO 0x00000100
38#define IORESOURCE_MEM 0x00000200 39#define IORESOURCE_MEM 0x00000200
39#define IORESOURCE_IRQ 0x00000400 40#define IORESOURCE_IRQ 0x00000400
40#define IORESOURCE_DMA 0x00000800 41#define IORESOURCE_DMA 0x00000800
@@ -108,6 +109,9 @@ extern struct resource iomem_resource;
108 109
109extern int request_resource(struct resource *root, struct resource *new); 110extern int request_resource(struct resource *root, struct resource *new);
110extern int release_resource(struct resource *new); 111extern int release_resource(struct resource *new);
112extern void reserve_region_with_split(struct resource *root,
113 resource_size_t start, resource_size_t end,
114 const char *name);
111extern int insert_resource(struct resource *parent, struct resource *new); 115extern int insert_resource(struct resource *parent, struct resource *new);
112extern void insert_resource_expand_to_fit(struct resource *root, struct resource *new); 116extern void insert_resource_expand_to_fit(struct resource *root, struct resource *new);
113extern int allocate_resource(struct resource *root, struct resource *new, 117extern int allocate_resource(struct resource *root, struct resource *new,
@@ -123,6 +127,10 @@ static inline resource_size_t resource_size(struct resource *res)
123{ 127{
124 return res->end - res->start + 1; 128 return res->end - res->start + 1;
125} 129}
130static inline unsigned long resource_type(struct resource *res)
131{
132 return res->flags & IORESOURCE_TYPE_BITS;
133}
126 134
127/* Convenience shorthand with allocation */ 135/* Convenience shorthand with allocation */
128#define request_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name)) 136#define request_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name))
@@ -159,13 +167,14 @@ extern struct resource * __devm_request_region(struct device *dev,
159 struct resource *parent, resource_size_t start, 167 struct resource *parent, resource_size_t start,
160 resource_size_t n, const char *name); 168 resource_size_t n, const char *name);
161 169
162#define devm_release_region(start,n) \ 170#define devm_release_region(dev, start, n) \
163 __devm_release_region(dev, &ioport_resource, (start), (n)) 171 __devm_release_region(dev, &ioport_resource, (start), (n))
164#define devm_release_mem_region(start,n) \ 172#define devm_release_mem_region(dev, start, n) \
165 __devm_release_region(dev, &iomem_resource, (start), (n)) 173 __devm_release_region(dev, &iomem_resource, (start), (n))
166 174
167extern void __devm_release_region(struct device *dev, struct resource *parent, 175extern void __devm_release_region(struct device *dev, struct resource *parent,
168 resource_size_t start, resource_size_t n); 176 resource_size_t start, resource_size_t n);
177extern int iomem_map_sanity_check(resource_size_t addr, unsigned long size);
169 178
170#endif /* __ASSEMBLY__ */ 179#endif /* __ASSEMBLY__ */
171#endif /* _LINUX_IOPORT_H */ 180#endif /* _LINUX_IOPORT_H */