diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 3269a888fb7a..f725813d0cce 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -276,7 +276,7 @@ acpi_map_lookup_virt(void __iomem *virt, acpi_size size)
 	return NULL;
 }
 
-#if defined(CONFIG_IA64) || defined(CONFIG_ARM64)
+#if defined(CONFIG_IA64) || defined(CONFIG_ARM64) || defined(CONFIG_RISCV)
 /* ioremap will take care of cache attributes */
 #define should_use_kmap(pfn)   0
 #else