diff --git a/[refs] b/[refs]
index b02ec9a48031..1e6593aff825 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 72dcb1197228b50bfb709ba97c2d53013c605868
+refs/heads/master: c04a9cb813f124abcfad50f93b101ceaee8f3b9f
diff --git a/trunk/include/linux/ioport.h b/trunk/include/linux/ioport.h
index bfee885791c2..85ac9b9b72a2 100644
--- a/trunk/include/linux/ioport.h
+++ b/trunk/include/linux/ioport.h
@@ -29,7 +29,7 @@ struct resource {
 #define IORESOURCE_BITS		0x000000ff	/* Bus-specific bits */
 
 #define IORESOURCE_TYPE_BITS	0x00001f00	/* Resource type */
-#define IORESOURCE_IO		0x00000100
+#define IORESOURCE_IO		0x00000100	/* PCI/ISA I/O ports */
 #define IORESOURCE_MEM		0x00000200
 #define IORESOURCE_REG		0x00000300	/* Register offsets */
 #define IORESOURCE_IRQ		0x00000400