summaryrefslogtreecommitdiffstats
path: root/include/asm-generic/pci.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-12 18:15:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-12 18:15:51 -0700
commitcd166bd0dde265a97dd9aa8e3451a2646d96d04b (patch)
tree3a7fb5b8bb8d7676e804845b75977be380b8dcff /include/asm-generic/pci.h
parent6b702462cbe5b6f372966a53f4465d745d86b65c (diff)
parent5b02ee3d219f9e01b6e9146e25613822cfc2e5ce (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: add generic lib/checksum.c asm-generic: add a generic uaccess.h asm-generic: add generic NOMMU versions of some headers asm-generic: add generic atomic.h and io.h asm-generic: add legacy I/O header files asm-generic: add generic versions of common headers asm-generic: make bitops.h usable asm-generic: make pci.h usable directly asm-generic: make get_rtc_time overridable asm-generic: rename page.h and uaccess.h asm-generic: rename atomic.h to atomic-long.h asm-generic: add a generic unistd.h asm-generic: add generic ABI headers asm-generic: add generic sysv ipc headers asm-generic: introduce asm/bitsperlong.h asm-generic: rename termios.h, signal.h and mman.h
Diffstat (limited to 'include/asm-generic/pci.h')
-rw-r--r--include/asm-generic/pci.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-generic/pci.h b/include/asm-generic/pci.h
index c36a77d3bf4..515c6e2e321 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 */