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-rw-r--r--arch/riscv/Kconfig5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 504ba386b22e..0e66993f44cc 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -22,6 +22,7 @@ config RISCV
select GENERIC_ATOMIC64 if !64BIT || !RISCV_ISA_A
select ARCH_WANT_OPTIONAL_GPIOLIB
select HAVE_MEMBLOCK
+ select HAVE_MEMBLOCK_NODE_MAP
select HAVE_DMA_API_DEBUG
select HAVE_DMA_CONTIGUOUS
select HAVE_GENERIC_DMA_COHERENT
@@ -43,6 +44,10 @@ config MMU
config ARCH_PHYS_ADDR_T_64BIT
def_bool y
+config ZONE_DMA32
+ bool
+ default y
+
config ARCH_DMA_ADDR_T_64BIT
def_bool y