diff options
Diffstat (limited to 'drivers/firmware/efi/arm-runtime.c')
| -rw-r--r-- | drivers/firmware/efi/arm-runtime.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/firmware/efi/arm-runtime.c b/drivers/firmware/efi/arm-runtime.c index 5889cbea60b8..922cfb813109 100644 --- a/drivers/firmware/efi/arm-runtime.c +++ b/drivers/firmware/efi/arm-runtime.c @@ -110,11 +110,20 @@ static int __init arm_enable_runtime_services(void) { u64 mapsize; - if (!efi_enabled(EFI_BOOT)) { + if (!efi_enabled(EFI_BOOT) || !efi_enabled(EFI_MEMMAP)) { pr_info("EFI services will not be available.\n"); return 0; } + efi_memmap_unmap(); + + mapsize = efi.memmap.desc_size * efi.memmap.nr_map; + + if (efi_memmap_init_late(efi.memmap.phys_map, mapsize)) { + pr_err("Failed to remap EFI memory map\n"); + return 0; + } + if (efi_runtime_disabled()) { pr_info("EFI runtime services will be disabled.\n"); return 0; @@ -127,13 +136,6 @@ static int __init arm_enable_runtime_services(void) pr_info("Remapping and enabling EFI services.\n"); - mapsize = efi.memmap.desc_size * efi.memmap.nr_map; - - if (efi_memmap_init_late(efi.memmap.phys_map, mapsize)) { - pr_err("Failed to remap EFI memory map\n"); - return -ENOMEM; - } - if (!efi_virtmap_init()) { pr_err("UEFI virtual mapping missing or invalid -- runtime services will not be available\n"); return -ENOMEM; |