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-rw-r--r--include/linux/ioport.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index ee9bcc6f32b..0dde77272d7 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -34,7 +34,8 @@ struct resource_list {
*/
#define IORESOURCE_BITS 0x000000ff /* Bus-specific bits */
-#define IORESOURCE_IO 0x00000100 /* Resource type */
+#define IORESOURCE_TYPE_BITS 0x00000f00 /* Resource type */
+#define IORESOURCE_IO 0x00000100
#define IORESOURCE_MEM 0x00000200
#define IORESOURCE_IRQ 0x00000400
#define IORESOURCE_DMA 0x00000800
@@ -126,6 +127,10 @@ static inline resource_size_t resource_size(struct resource *res)
{
return res->end - res->start + 1;
}
+static inline unsigned long resource_type(struct resource *res)
+{
+ return res->flags & IORESOURCE_TYPE_BITS;
+}
/* Convenience shorthand with allocation */
#define request_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name))