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-rw-r--r--arch/powerpc/Kconfig3
-rw-r--r--arch/powerpc/include/asm/pci.h32
2 files changed, 4 insertions, 31 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 155d571f5e2..8a54eb8e376 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -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
diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h
index b5ea626eea2..4a9991ba249 100644
--- a/arch/powerpc/include/asm/pci.h
+++ b/arch/powerpc/include/asm/pci.h
@@ -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