[PATCH 05/16] rename __get_map() to efi_get_memory_map(), add parameter to optionally return mmap key. The mmap key is required to exit EFI boot services, and allows efi_get_memory_map() to be used for getting final memory map.

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Signed-off-by: Roy Franz <roy.franz@xxxxxxxxxx>
---
 drivers/firmware/efi/efi-stub-helper.c |   17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/firmware/efi/efi-stub-helper.c b/drivers/firmware/efi/efi-stub-helper.c
index 40cd16e..1d0a079 100644
--- a/drivers/firmware/efi/efi-stub-helper.c
+++ b/drivers/firmware/efi/efi-stub-helper.c
@@ -46,10 +46,11 @@ static void efi_printk(efi_system_table_t *sys_table_arg, char *str)
 }
 
 
-static efi_status_t __get_map(efi_system_table_t *sys_table_arg,
-			      efi_memory_desc_t **map,
-			      unsigned long *map_size,
-			      unsigned long *desc_size)
+static efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg,
+				       efi_memory_desc_t **map,
+				       unsigned long *map_size,
+				       unsigned long *desc_size,
+				       unsigned long *key_ptr)
 {
 	efi_memory_desc_t *m = NULL;
 	efi_status_t status;
@@ -77,6 +78,8 @@ again:
 
 	if (status != EFI_SUCCESS)
 		efi_call_phys1(sys_table_arg->boottime->free_pool, m);
+	if (key_ptr && status == EFI_SUCCESS)
+		*key_ptr = key;
 
 fail:
 	*map = m;
@@ -97,7 +100,8 @@ static efi_status_t efi_high_alloc(efi_system_table_t *sys_table_arg,
 	u64 max_addr = 0;
 	int i;
 
-	status = __get_map(sys_table_arg, &map, &map_size, &desc_size);
+	status = efi_get_memory_map(sys_table_arg, &map, &map_size, &desc_size,
+				    NULL);
 	if (status != EFI_SUCCESS)
 		goto fail;
 
@@ -175,7 +179,8 @@ static efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg,
 	unsigned long nr_pages;
 	int i;
 
-	status = __get_map(sys_table_arg, &map, &map_size, &desc_size);
+	status = efi_get_memory_map(sys_table_arg, &map, &map_size, &desc_size,
+				    NULL);
 	if (status != EFI_SUCCESS)
 		goto fail;
 
-- 
1.7.10.4

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