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| author | Rolf Eike Beer <eike-kernel@sf-tec.de> | 2007-07-19 17:48:44 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-08-22 14:48:40 -0700 |
| commit | 5ca24814247fa4c039b893bf80fc05d0e5d41b00 (patch) | |
| tree | fb1d19e094e5337e4a33d97ad487ce36c631d104 /include/asm-i386 | |
| parent | 4e68fc97b17470365a65bc569523dd9012730e44 (diff) | |
| download | linux-3.10-5ca24814247fa4c039b893bf80fc05d0e5d41b00.tar.gz linux-3.10-5ca24814247fa4c039b893bf80fc05d0e5d41b00.tar.bz2 linux-3.10-5ca24814247fa4c039b893bf80fc05d0e5d41b00.zip | |
PCI: Document pci_iomap()
This useful interface is hardly mentioned anywhere in the in-tree
documentation.
Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Tejun Heo <htejun@gmail.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/asm-i386')
| -rw-r--r-- | include/asm-i386/io.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-i386/io.h b/include/asm-i386/io.h index 7b65b5b0003..e8e0bd64112 100644 --- a/include/asm-i386/io.h +++ b/include/asm-i386/io.h @@ -112,6 +112,9 @@ extern void __iomem * __ioremap(unsigned long offset, unsigned long size, unsign * writew/writel functions and the other mmio helpers. The returned * address is not guaranteed to be usable directly as a virtual * address. + * + * If the area you are trying to map is a PCI BAR you should have a + * look at pci_iomap(). */ static inline void __iomem * ioremap(unsigned long offset, unsigned long size) |