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| author | Arnd Bergmann <arnd@arndb.de> | 2009-05-14 02:56:31 +0400 |
|---|---|---|
| committer | Arnd Bergmann <arnd@klappe2.(none)> | 2009-06-11 23:02:22 +0400 |
| commit | d7c4f1b78afeedfc22b1756fcdc1acbe84284d74 (patch) | |
| tree | 62e74285b3f9093b7261ddc6b90831f9892dbf8e /include/asm-generic/pci.h | |
| parent | 3aef392822e1a42e80077a332ea2efdfd8a4248a (diff) | |
| download | linux-d7c4f1b78afeedfc22b1756fcdc1acbe84284d74.tar.xz | |
asm-generic: make pci.h usable directly
Some generic code is using the horribly misnamed PCI_DMA_BUS_IS_PHYS
from asm/pci.h. This makes sure that an architecture without PCI
support does not have to define this itself but can rely on the
asm-generic version.
Signed-off-by: Remis Lima Baima <remis.developer@googlemail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'include/asm-generic/pci.h')
| -rw-r--r-- | include/asm-generic/pci.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-generic/pci.h b/include/asm-generic/pci.h index c36a77d3bf44..515c6e2e3218 100644 --- a/include/asm-generic/pci.h +++ b/include/asm-generic/pci.h @@ -52,4 +52,12 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) } #endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */ +/* + * By default, assume that no iommu is in use and that the PCI + * space is mapped to address physical 0. + */ +#ifndef PCI_DMA_BUS_IS_PHYS +#define PCI_DMA_BUS_IS_PHYS (1) #endif + +#endif /* _ASM_GENERIC_PCI_H */ |