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-rw-r--r--arch/riscv/include/asm/io.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/io.h b/arch/riscv/include/asm/io.h
index 92080a227937..42497d487a17 100644
--- a/arch/riscv/include/asm/io.h
+++ b/arch/riscv/include/asm/io.h
@@ -135,4 +135,9 @@ __io_writes_outs(outs, u64, q, __io_pbr(), __io_paw())
#include <asm-generic/io.h>
+#ifdef CONFIG_MMU
+#define arch_memremap_wb(addr, size) \
+ ((__force void *)ioremap_prot((addr), (size), _PAGE_KERNEL))
+#endif
+
#endif /* _ASM_RISCV_IO_H */