[PATCH V2 1/3] efi: arch, x86: arch, ia64: move efi_mem_attributes()

Jonathan (Zhixiong) Zhang
2015-06-01T19:12:49Z

From: "Jonathan (Zhixiong) Zhang" <zjzhang@codeaurora.org>

Both x86 and ia64 implemented efi_mem_attributs(), which is architecture
agnositc. This function is moved from arch/x86 and arch/ia64 to
drivers/firmware/efi.

Signed-off-by: Jonathan (Zhixiong) Zhang <zjzhang@codeaurora.org>
---
arch/ia64/kernel/efi.c | 11 -----------
arch/x86/platform/efi/efi.c | 18 ------------------
drivers/firmware/efi/efi.c | 18 ++++++++++++++++++
3 files changed, 18 insertions(+), 29 deletions(-)

diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index c52d7540dc05..ef20ec784b04 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -771,17 +771,6 @@ efi_mem_type (unsigned long phys_addr)
}

u64
-efi_mem_attributes (unsigned long phys_addr)
-{
- efi_memory_desc_t *md = efi_memory_descriptor(phys_addr);
-
- if (md)
- return md->attribute;
- return 0;
-}
-EXPORT_SYMBOL(efi_mem_attributes);
-
-u64
efi_mem_attribute (unsigned long phys_addr, unsigned long size)
{
unsigned long end = phys_addr + size;
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 02744df576d5..10bd5289c593 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -926,24 +926,6 @@ u32 efi_mem_type(unsigned long phys_addr)
return 0;
}

-u64 efi_mem_attributes(unsigned long phys_addr)
-{
- efi_memory_desc_t *md;
- void *p;
-
- if (!efi_enabled(EFI_MEMMAP))
- return 0;
-
- for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
- md = p;
- if ((md->phys_addr <= phys_addr) &&
- (phys_addr < (md->phys_addr +
- (md->num_pages << EFI_PAGE_SHIFT))))
- return md->attribute;
- }
- return 0;
-}
-
static int __init arch_parse_efi_cmdline(char *str)
{
if (parse_option_str(str, "old_map"))
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 3061bb8629dc..86da85368778 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -517,3 +517,21 @@ char * __init efi_md_typeattr_format(char *buf, size_t size,
attr & EFI_MEMORY_UC ? "UC" : "");
return buf;
}
+
+u64 efi_mem_attributes(unsigned long phys_addr)
+{
+ efi_memory_desc_t *md;
+ void *p;
+
+ if (!efi_enabled(EFI_MEMMAP))
+ return 0;
+
+ for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
+ md = p;
+ if ((md->phys_addr <= phys_addr) &&
+ (phys_addr < (md->phys_addr +
+ (md->num_pages << EFI_PAGE_SHIFT))))
+ return md->attribute;
+ }
+ return 0;
+}