[PATCH v4 01/10] riscv: Define ioremap_cache for RISC-V

bert and einj drivers use ioremap_cache for mapping entries
but ioremap_cache is not defined for RISC-V.

Signed-off-by: Himanshu Chauhan <[email protected]>
---
 arch/riscv/include/asm/io.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/riscv/include/asm/io.h b/arch/riscv/include/asm/io.h
index 09bb5f57a9d3..5550b28f38db 100644
--- a/arch/riscv/include/asm/io.h
+++ b/arch/riscv/include/asm/io.h
@@ -142,6 +142,9 @@ __io_writes_outs(outs, u64, q, __io_pbr(), __io_paw())
 #ifdef CONFIG_MMU
 #define arch_memremap_wb(addr, size, flags)	\
 	((__force void *)ioremap_prot((addr), (size), __pgprot(_PAGE_KERNEL)))
+
+#define ioremap_cache(addr, size)					\
+	((__force void *)ioremap_prot((addr), (size), PAGE_KERNEL))
 #endif
 
 #endif /* _ASM_RISCV_IO_H */
-- 
2.43.0