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pci-dma: powerpc: use include/linux/pci-dma.h 

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
FUJITA Tomonori 2010-03-10 15:23:27 -08:00 committed by Linus Torvalds
parent 74a0bd66a3
commit af407c6db1
2 changed files with 4 additions and 31 deletions
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3
arch/powerpc/Kconfig
View File

@ -672,6 +672,9 @@ config ZONE_DMA
bool
default y
config NEED_DMA_MAP_STATE
def_bool (PPC64 || NOT_COHERENT_CACHE)
config GENERIC_ISA_DMA
bool
depends on PPC64 || POWER4 || 6xx && !CPM2

32
arch/powerpc/include/asm/pci.h
View File

@ -141,37 +141,7 @@ extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
#define HAVE_PCI_LEGACY 1
#if defined(CONFIG_PPC64) || defined(CONFIG_NOT_COHERENT_CACHE)
/*
* For 64-bit kernels, pci_unmap_{single,page} is not a nop.
* For 32-bit non-coherent kernels, pci_dma_sync_single_for_cpu() and
* so on are not nops.
* and thus...
*/
#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 /* 32-bit && coherent */
/* pci_unmap_{page,single} is a nop so... */
#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
#define pci_unmap_addr(PTR, ADDR_NAME) (0)
#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
#define pci_unmap_len(PTR, LEN_NAME) (0)
#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
#endif /* CONFIG_PPC64 || CONFIG_NOT_COHERENT_CACHE */
#include <linux/pci-dma.h>
#ifdef CONFIG_PPC64