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| author | Sergey Ryazanov <ryazanov.s.a@gmail.com> | 2014-08-30 06:06:28 +0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2016-05-13 15:02:17 +0300 |
| commit | e8b5325ca3d01c512be6f04d587869a01e0ea59f (patch) | |
| tree | c386fa098bf92366ed87f2ca0bdae11b49ec9c84 /arch/mips/include/asm/pci.h | |
| parent | 1e321fa917fb2d30d39ff1c6ea89d6f1cf4f34a5 (diff) | |
| download | linux-e8b5325ca3d01c512be6f04d587869a01e0ea59f.tar.xz | |
MIPS: make PCI_DMA_BUS_IS_PHYS=1 constant
No one of supported MIPS machines has an IOMMU unit, so we can safely define
PCI_DMA_BUS_IS_PHYS = 1. Also remove iommu flag from the pci controller
structure, since it is useless.
Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Cc: Linux MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/7604/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/pci.h')
| -rw-r--r-- | arch/mips/include/asm/pci.h | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h index 8c16fb7b8fdb..86b239d9d75d 100644 --- a/arch/mips/include/asm/pci.h +++ b/arch/mips/include/asm/pci.h @@ -43,8 +43,6 @@ struct pci_controller { and XFree86. Eventually will be removed. */ unsigned int need_domain_info; - int iommu; - /* Optional access methods for reading/writing the bus number of the PCI controller */ int (*get_busno)(void); @@ -106,11 +104,11 @@ static inline void pci_resource_to_user(const struct pci_dev *dev, int bar, struct pci_dev; /* - * The PCI address space does equal the physical memory address space. The - * networking and block device layers use this boolean for bounce buffer - * decisions. This is set if any hose does not have an IOMMU. + * The PCI address space does equal the physical memory address space. + * The networking and block device layers use this boolean for bounce + * buffer decisions. */ -extern unsigned int PCI_DMA_BUS_IS_PHYS; +#define PCI_DMA_BUS_IS_PHYS (1) #ifdef CONFIG_PCI_DOMAINS #define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index |