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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-08-07 19:42:46 +0100
committerSamuel Ortiz <sameo@linux.intel.com>2012-09-11 10:15:02 +0200
commitc04a9cb813f124abcfad50f93b101ceaee8f3b9f (patch)
treef9f4ee6514166bc8b36da7605a02bb7da3906f23
parent72dcb1197228b50bfb709ba97c2d53013c605868 (diff)
resources: Document IORESOURCE_IO
Help clarify that this is specifically for PCI/ISA I/O ports and not for any other similar thing. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com> Tested-by: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
-rw-r--r--include/linux/ioport.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index bfee885791c..85ac9b9b72a 100644
--- a/include/linux/ioport.h
+++ b/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