diff options
| -rw-r--r-- | arch/x86/platform/efi/efi.c | 19 | ||||
| -rw-r--r-- | drivers/firmware/efi/efi.c | 37 |
2 files changed, 31 insertions, 25 deletions
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 6217b23e85f6..928b6dceeca0 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -1032,25 +1032,6 @@ void __init efi_enter_virtual_mode(void) efi_dump_pagetable(); } -/* - * Convenience functions to obtain memory types and attributes - */ -int efi_mem_type(unsigned long phys_addr) -{ - efi_memory_desc_t *md; - - if (!efi_enabled(EFI_MEMMAP)) - return -ENOTSUPP; - - for_each_efi_memory_desc(md) { - if ((md->phys_addr <= phys_addr) && - (phys_addr < (md->phys_addr + - (md->num_pages << EFI_PAGE_SHIFT)))) - return md->type; - } - return -EINVAL; -} - static int __init arch_parse_efi_cmdline(char *str) { if (!str) { diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index c8a27a2c30c1..f70febf680c3 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -811,19 +811,19 @@ char * __init efi_md_typeattr_format(char *buf, size_t size, } /* + * IA64 has a funky EFI memory map that doesn't work the same way as + * other architectures. + */ +#ifndef CONFIG_IA64 +/* * efi_mem_attributes - lookup memmap attributes for physical address * @phys_addr: the physical address to lookup * * Search in the EFI memory map for the region covering * @phys_addr. Returns the EFI memory attributes if the region * was found in the memory map, 0 otherwise. - * - * Despite being marked __weak, most architectures should *not* - * override this function. It is __weak solely for the benefit - * of ia64 which has a funky EFI memory map that doesn't work - * the same way as other architectures. */ -u64 __weak efi_mem_attributes(unsigned long phys_addr) +u64 efi_mem_attributes(unsigned long phys_addr) { efi_memory_desc_t *md; @@ -839,6 +839,31 @@ u64 __weak efi_mem_attributes(unsigned long phys_addr) return 0; } +/* + * efi_mem_type - lookup memmap type for physical address + * @phys_addr: the physical address to lookup + * + * Search in the EFI memory map for the region covering @phys_addr. + * Returns the EFI memory type if the region was found in the memory + * map, EFI_RESERVED_TYPE (zero) otherwise. + */ +int efi_mem_type(unsigned long phys_addr) +{ + const efi_memory_desc_t *md; + + if (!efi_enabled(EFI_MEMMAP)) + return -ENOTSUPP; + + for_each_efi_memory_desc(md) { + if ((md->phys_addr <= phys_addr) && + (phys_addr < (md->phys_addr + + (md->num_pages << EFI_PAGE_SHIFT)))) + return md->type; + } + return -EINVAL; +} +#endif + int efi_status_to_err(efi_status_t status) { int err; |