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| author | Arnd Bergmann <arnd@arndb.de> | 2009-05-13 22:56:31 +0000 |
|---|---|---|
| committer | Arnd Bergmann <arnd@klappe2.(none)> | 2009-06-11 21:02:22 +0200 |
| commit | d7c4f1b78afeedfc22b1756fcdc1acbe84284d74 (patch) | |
| tree | 62e74285b3f9093b7261ddc6b90831f9892dbf8e | |
| parent | 3aef392822e1a42e80077a332ea2efdfd8a4248a (diff) | |
| download | linux-d7c4f1b78afeedfc22b1756fcdc1acbe84284d74.tar.bz2 | |
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>
| -rw-r--r-- | arch/frv/include/asm/pci.h | 13 | ||||
| -rw-r--r-- | arch/m32r/include/asm/pci.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/pci.h | 8 |
3 files changed, 11 insertions, 12 deletions
diff --git a/arch/frv/include/asm/pci.h b/arch/frv/include/asm/pci.h index 585d9b49949a..3ce227ba7744 100644 --- a/arch/frv/include/asm/pci.h +++ b/arch/frv/include/asm/pci.h @@ -10,8 +10,8 @@ * 2 of the License, or (at your option) any later version. */ -#ifndef ASM_PCI_H -#define ASM_PCI_H +#ifndef _ASM_FRV_PCI_H +#define _ASM_FRV_PCI_H #include <linux/mm.h> #include <asm/scatterlist.h> @@ -43,12 +43,6 @@ extern void pci_free_consistent(struct pci_dev *hwdev, size_t size, /* Return the index of the PCI controller for device PDEV. */ #define pci_controller_num(PDEV) (0) -/* The PCI address space does equal the physical memory - * address space. The networking and block device layers use - * this boolean for bounce buffer decisions. - */ -#define PCI_DMA_BUS_IS_PHYS (1) - /* pci_unmap_{page,single} is a nop so... */ #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) @@ -114,5 +108,4 @@ static inline void pci_dma_sync_sg(struct pci_dev *hwdev, sg_dma_address(&sg[i])+sg_dma_len(&sg[i])); } - -#endif +#endif /* _ASM_FRV_PCI_H */ diff --git a/arch/m32r/include/asm/pci.h b/arch/m32r/include/asm/pci.h index fe785d167db6..07d3834c6dec 100644 --- a/arch/m32r/include/asm/pci.h +++ b/arch/m32r/include/asm/pci.h @@ -3,6 +3,4 @@ #include <asm-generic/pci.h> -#define PCI_DMA_BUS_IS_PHYS (1) - #endif /* _ASM_M32R_PCI_H */ 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 */ |