X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=arch%2Fpowerpc%2FKconfig;h=2e19500921f9fbdc33f40321ae34f648171faba0;hb=3595be778d8cb887f0e0575ef0a0c1a094d120bb;hp=155d571f5e261c82d59f55ea2758d9accd6af15a;hpb=05c5cb31ec47cacf38db56d9efaa37ca9d473132;p=android-x86%2Fkernel.git

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 155d571f5e26..2e19500921f9 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