summaryrefslogtreecommitdiff
path: root/include/linux/ioport.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/ioport.h')
-rw-r--r--include/linux/ioport.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index a9b9170b5dd2..6c2b06fe8beb 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -103,6 +103,7 @@ struct resource {
#define IORESOURCE_MEM_32BIT (3<<3)
#define IORESOURCE_MEM_SHADOWABLE (1<<5) /* dup: IORESOURCE_SHADOWABLE */
#define IORESOURCE_MEM_EXPANSIONROM (1<<6)
+#define IORESOURCE_MEM_DRIVER_MANAGED (1<<7)
/* PnP I/O specific bits (IORESOURCE_BITS) */
#define IORESOURCE_IO_16BIT_ADDR (1<<0)
@@ -301,5 +302,11 @@ struct resource *devm_request_free_mem_region(struct device *dev,
struct resource *request_free_mem_region(struct resource *base,
unsigned long size, const char *name);
+#ifdef CONFIG_IO_STRICT_DEVMEM
+void revoke_devmem(struct resource *res);
+#else
+static inline void revoke_devmem(struct resource *res) { };
+#endif
+
#endif /* __ASSEMBLY__ */
#endif /* _LINUX_IOPORT_H */