Merge branch 'nfs-for-2.6.39' into nfs-for-next

[deliverable/linux.git] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index e1f65c46bc93e15af6d055b3220087fa8817ce40..d57ddd7573cc5fcf71bd3c0a17cb123ae463021e 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -123,7 +123,7 @@ config NEED_SG_DMA_LENGTH
        def_bool y
 
 config GENERIC_ISA_DMA
-       def_bool y
+       def_bool ISA_DMA_API
 
 config GENERIC_IOMAP
        def_bool y
@@ -143,7 +143,7 @@ config GENERIC_GPIO
        bool
 
 config ARCH_MAY_HAVE_PC_FDC
-       def_bool y
+       def_bool ISA_DMA_API
 
 config RWSEM_GENERIC_SPINLOCK
        def_bool !X86_XADD
@@ -2002,9 +2002,13 @@ source "drivers/pci/pcie/Kconfig"
 
 source "drivers/pci/Kconfig"
 
-# x86_64 have no ISA slots, but do have ISA-style DMA.
+# x86_64 have no ISA slots, but can have ISA-style DMA.
 config ISA_DMA_API
-       def_bool y
+       bool "ISA-style DMA support" if (X86_64 && EXPERT)
+       default y
+       help
+         Enables ISA-style DMA support for devices requiring such controllers.
+         If unsure, say Y.
 
 if X86_32