diff options
| author | Dmitry Torokhov <[email protected]> | 2020-01-10 14:56:04 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <[email protected]> | 2020-01-10 14:56:04 -0800 |
| commit | 1bdd3e05a0a3b4a97ea88bc46fef8fb265c8b94c (patch) | |
| tree | 2244894a9ea0c941a8f32e5f3d196b4ea0eae24b /drivers/firmware/efi/arm-runtime.c | |
| parent | 643dd7416649bea2e8c61d8fdeeefb409a0ca5eb (diff) | |
| parent | c79f46a282390e0f5b306007bf7b11a46d529538 (diff) | |
Merge tag 'v5.5-rc5' into next
Sync up with mainline to get SPI "delay" API changes.
Diffstat (limited to 'drivers/firmware/efi/arm-runtime.c')
| -rw-r--r-- | drivers/firmware/efi/arm-runtime.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/firmware/efi/arm-runtime.c b/drivers/firmware/efi/arm-runtime.c index e2ac5fa5531b..899b803842bb 100644 --- a/drivers/firmware/efi/arm-runtime.c +++ b/drivers/firmware/efi/arm-runtime.c @@ -121,6 +121,30 @@ static int __init arm_enable_runtime_services(void) return 0; } + if (efi_soft_reserve_enabled()) { + efi_memory_desc_t *md; + + for_each_efi_memory_desc(md) { + int md_size = md->num_pages << EFI_PAGE_SHIFT; + struct resource *res; + + if (!(md->attribute & EFI_MEMORY_SP)) + continue; + + res = kzalloc(sizeof(*res), GFP_KERNEL); + if (WARN_ON(!res)) + break; + + res->start = md->phys_addr; + res->end = md->phys_addr + md_size - 1; + res->name = "Soft Reserved"; + res->flags = IORESOURCE_MEM; + res->desc = IORES_DESC_SOFT_RESERVED; + + insert_resource(&iomem_resource, res); + } + } + if (efi_runtime_disabled()) { pr_info("EFI runtime services will be disabled.\n"); return 0; |