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authorDavid S. Miller <davem@davemloft.net>2010-04-03 15:49:14 -0700
committerDavid S. Miller <davem@davemloft.net>2010-04-03 15:49:14 -0700
commit87e8b821ed8db3dab03d96cd542e29666bf210aa (patch)
tree0027060473aafbbb125655ba027319c8a1a665fc /arch/powerpc/Kconfig
parent33cd9dfa3a13e3d8e41aef225a9f98169816723b (diff)
parent5e11611a5d22252f3f9c169a3c9377eac0c32033 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'arch/powerpc/Kconfig')
-rw-r--r--arch/powerpc/Kconfig16
1 files changed, 3 insertions, 13 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 155d571f5e2..2e19500921f 100644
--- 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