2 files changed, 5 insertions, 1 deletions

diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c
index e72f3100958f..24f0c6fb61d8 100644
--- a/arch/arm64/kernel/efi.c
+++ b/arch/arm64/kernel/efi.c
@@ -188,6 +188,8 @@ static __init void reserve_regions(void)
                 if (uefi_debug)
                         pr_cont("\n");
         }
+
+        set_bit(EFI_MEMMAP, &efi.flags);
 }
 
 
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 5b4526ee3a01..5472c2401876 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -32,6 +32,7 @@
 #include <linux/of_fdt.h>
 #include <linux/dma-mapping.h>
 #include <linux/dma-contiguous.h>
+#include <linux/efi.h>
 
 #include <asm/fixmap.h>
 #include <asm/sections.h>
@@ -148,7 +149,8 @@ void __init arm64_memblock_init(void)
                 memblock_reserve(__virt_to_phys(initrd_start), initrd_end - initrd_start);
 #endif
 
-        early_init_fdt_scan_reserved_mem();
+        if (!efi_enabled(EFI_MEMMAP))
+                early_init_fdt_scan_reserved_mem();
 
         /* 4GB maximum for 32-bit only capable devices */
         if (IS_ENABLED(CONFIG_ZONE_DMA))