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| author | Magnus Damm <damm@igel.co.jp> | 2008-10-16 09:05:15 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-16 22:21:51 +0400 |
| commit | c9f66169f1c696f9489503d7de92daff135c1efd (patch) | |
| tree | b96efd22193122874196c4809b94069f8e46cb34 /include/linux/ioport.h | |
| parent | c26ec88ea86ad5122a6ea5ad635e6a1f6c395d74 (diff) | |
| download | linux-c9f66169f1c696f9489503d7de92daff135c1efd.tar.xz | |
resource: add resource_type() and IORESOURCE_TYPE_BITS
Add resource_type() and IORESOURCE_TYPE_BITS. They make it easier to add
more resource types without having to rewrite tons of code.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/ioport.h')
| -rw-r--r-- | include/linux/ioport.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/ioport.h b/include/linux/ioport.h index ee9bcc6f32b6..0dde77272d7a 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)) |