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-rw-r--r--include/linux/ioport.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 15228d79c5bc..6859a3b14088 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -137,4 +137,24 @@ static inline int __deprecated check_region(resource_size_t s,
137{ 137{
138 return __check_region(&ioport_resource, s, n); 138 return __check_region(&ioport_resource, s, n);
139} 139}
140
141/* Wrappers for managed devices */
142struct device;
143#define devm_request_region(dev,start,n,name) \
144 __devm_request_region(dev, &ioport_resource, (start), (n), (name))
145#define devm_request_mem_region(dev,start,n,name) \
146 __devm_request_region(dev, &iomem_resource, (start), (n), (name))
147
148extern struct resource * __devm_request_region(struct device *dev,
149 struct resource *parent, resource_size_t start,
150 resource_size_t n, const char *name);
151
152#define devm_release_region(start,n) \
153 __devm_release_region(dev, &ioport_resource, (start), (n))
154#define devm_release_mem_region(start,n) \
155 __devm_release_region(dev, &iomem_resource, (start), (n))
156
157extern void __devm_release_region(struct device *dev, struct resource *parent,
158 resource_size_t start, resource_size_t n);
159
140#endif /* _LINUX_IOPORT_H */ 160#endif /* _LINUX_IOPORT_H */