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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>
This commit is contained in:
Mark Brown 2012-08-07 19:42:46 +01:00 committed by Samuel Ortiz
parent 72dcb11972
commit c04a9cb813
1 changed files with 1 additions and 1 deletions
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2
include/linux/ioport.h
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@ -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