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| author | Geert Uytterhoeven <geert@linux-m68k.org> | 2011-05-07 22:53:16 +0400 |
|---|---|---|
| committer | Geert Uytterhoeven <geert@linux-m68k.org> | 2011-07-30 23:21:39 +0400 |
| commit | 1c388919d89ca35741e9c4d3255adf87f76f0c06 (patch) | |
| tree | 3858d97ce2f91cdf6ec3badafbf66ef058e178a7 /include/linux | |
| parent | 88efd0bbc0fe403a9948e6f94cc48b9f15ee4861 (diff) | |
| download | linux-1c388919d89ca35741e9c4d3255adf87f76f0c06.tar.xz | |
resources: Add lookup_resource()
Add a function to find an existing resource by a resource start address.
This allows to implement simple allocators (with a malloc/free-alike API)
on top of the resource system.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/ioport.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/ioport.h b/include/linux/ioport.h index e9bb22cba764..63eb429ecbe6 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -132,6 +132,7 @@ extern int allocate_resource(struct resource *root, struct resource *new, resource_size_t, resource_size_t), void *alignf_data); +struct resource *lookup_resource(struct resource *root, resource_size_t start); int adjust_resource(struct resource *res, resource_size_t start, resource_size_t size); resource_size_t resource_alignment(struct resource *res); |