1 files changed, 7 insertions, 3 deletions

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 720206f46d04..d57ddd7573cc 100644
--- 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
@@ -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