Merge branch 'topic/misc' into topic/usb

[mv-sheeva.git] / arch / powerpc / Kconfig

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 155d571f5e261c82d59f55ea2758d9accd6af15a..2e19500921f9fbdc33f40321ae34f648171faba0 100644 (file)
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -313,19 +313,6 @@ config 8XX_MINIMAL_FPEMU
 
          It is recommended that you build a soft-float userspace instead.
 
-config IOMMU_VMERGE
-       bool "Enable IOMMU virtual merging"
-       depends on PPC64
-       default y
-       help
-         Cause IO segments sent to a device for DMA to be merged virtually
-         by the IOMMU when they happen to have been allocated contiguously.
-         This doesn't add pressure to the IOMMU allocator. However, some
-         drivers don't support getting large merged segments coming back
-         from *_map_sg().
-
-         Most drivers don't have this problem; it is safe to say Y here.
-
 config IOMMU_HELPER
        def_bool PPC64
 
@@ -672,6 +659,9 @@ 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