readahead: introduce PG_readahead

[karo-tx-linux.git] / include / linux / ioport.h

diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index cf8696d4a138824cf11a3e899ebae39f7a4bd69f..71ea92319241ef55579609a081a6ff60bc403bf8 100644 (file)
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -91,12 +91,14 @@ struct resource_list {
 #define IORESOURCE_ROM_COPY            (1<<2)  /* ROM is alloc'd copy, resource field overlaid */
 #define IORESOURCE_ROM_BIOS_COPY       (1<<3)  /* ROM is BIOS copy, resource field overlaid */
 
+/* PCI control bits.  Shares IORESOURCE_BITS with above PCI ROM.  */
+#define IORESOURCE_PCI_FIXED           (1<<4)  /* Do not move resource */
+
 /* PC/ISA/whatever - the normal PC address spaces: IO and memory */
 extern struct resource ioport_resource;
 extern struct resource iomem_resource;
 
 extern int request_resource(struct resource *root, struct resource *new);
-extern struct resource * ____request_resource(struct resource *root, struct resource *new);
 extern int release_resource(struct resource *new);
 extern int insert_resource(struct resource *parent, struct resource *new);
 extern int allocate_resource(struct resource *root, struct resource *new,
@@ -134,4 +136,24 @@ static inline int __deprecated check_region(resource_size_t s,
 {
        return __check_region(&ioport_resource, s, n);
 }
+
+/* Wrappers for managed devices */
+struct device;
+#define devm_request_region(dev,start,n,name) \
+       __devm_request_region(dev, &ioport_resource, (start), (n), (name))
+#define devm_request_mem_region(dev,start,n,name) \
+       __devm_request_region(dev, &iomem_resource, (start), (n), (name))
+
+extern struct resource * __devm_request_region(struct device *dev,
+                               struct resource *parent, resource_size_t start,
+                               resource_size_t n, const char *name);
+
+#define devm_release_region(start,n) \
+       __devm_release_region(dev, &ioport_resource, (start), (n))
+#define devm_release_mem_region(start,n) \
+       __devm_release_region(dev, &iomem_resource, (start), (n))
+
+extern void __devm_release_region(struct device *dev, struct resource *parent,
+                                 resource_size_t start, resource_size_t n);
+
 #endif /* _LINUX_IOPORT_H */