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yaml
---
r: 187271
b: refs/heads/master
c: 3bc4e45
h: refs/heads/master
i:
  187269: da9853d
  187267: 1402b05
  187263: 9811b99
v: v3
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FUJITA Tomonori authored and Linus Torvalds committed Mar 12, 2010
1 parent 4319baa commit e2b66aa
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Showing 3 changed files with 6 additions and 29 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5637f2df8d56b64697c1ee5c96cf0d6b650b30cb
refs/heads/master: 3bc4e4590de89c2dfcfb1000344cd072574c9ad4
3 changes: 3 additions & 0 deletions trunk/arch/x86/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,9 @@ config ZONE_DMA
config SBUS
bool

config NEED_DMA_MAP_STATE
def_bool (X86_64 || DMAR || DMA_API_DEBUG)

config GENERIC_ISA_DMA
def_bool y

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30 changes: 2 additions & 28 deletions trunk/arch/x86/include/asm/pci.h
Original file line number Diff line number Diff line change
Expand Up @@ -97,34 +97,6 @@ extern void pci_iommu_alloc(void);

#define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys)

#if defined(CONFIG_X86_64) || defined(CONFIG_DMAR) || defined(CONFIG_DMA_API_DEBUG)

#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
dma_addr_t ADDR_NAME;
#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \
__u32 LEN_NAME;
#define pci_unmap_addr(PTR, ADDR_NAME) \
((PTR)->ADDR_NAME)
#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
(((PTR)->ADDR_NAME) = (VAL))
#define pci_unmap_len(PTR, LEN_NAME) \
((PTR)->LEN_NAME)
#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
(((PTR)->LEN_NAME) = (VAL))

#else

#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME[0];
#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) unsigned LEN_NAME[0];
#define pci_unmap_addr(PTR, ADDR_NAME) sizeof((PTR)->ADDR_NAME)
#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
do { break; } while (pci_unmap_addr(PTR, ADDR_NAME))
#define pci_unmap_len(PTR, LEN_NAME) sizeof((PTR)->LEN_NAME)
#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
do { break; } while (pci_unmap_len(PTR, LEN_NAME))

#endif

#endif /* __KERNEL__ */

#ifdef CONFIG_X86_64
Expand All @@ -136,6 +108,8 @@ void dma32_reserve_bootmem(void);
/* implement the pci_ DMA API in terms of the generic device dma_ one */
#include <asm-generic/pci-dma-compat.h>

#include <linux/pci-dma.h>

/* generic pci stuff */
#include <asm-generic/pci.h>
#define PCIBIOS_MAX_MEM_32 0xffffffff
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