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[PATCH v2 7/8] efi: redefine type, constant, macro from generic code

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  [PATCH v2 7/8] efi: redefine type, constant, macro from generic code Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-04 15:40 +0200

#1370618 — [PATCH v2 7/8] efi: redefine type, constant, macro from generic code

Generic UUID library defines structure type, macro to define UUID, and the
length of the UUID string. This patch removes duplicate data structure
definition, UUID string length constant  as well as macro for UUID handling.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 include/linux/efi.h | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/include/linux/efi.h b/include/linux/efi.h
index 1626474..5b1d5c5 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -21,6 +21,7 @@
 #include <linux/pfn.h>
 #include <linux/pstore.h>
 #include <linux/reboot.h>
+#include <linux/uuid.h>
 
 #include <asm/page.h>
 
@@ -43,17 +44,10 @@ typedef u16 efi_char16_t;		/* UNICODE character */
 typedef u64 efi_physical_addr_t;
 typedef void *efi_handle_t;
 
-
-typedef struct {
-	u8 b[16];
-} efi_guid_t;
+typedef uuid_le efi_guid_t;
 
 #define EFI_GUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \
-((efi_guid_t) \
-{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
-  (b) & 0xff, ((b) >> 8) & 0xff, \
-  (c) & 0xff, ((c) >> 8) & 0xff, \
-  (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
+	UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)
 
 /*
  * Generic EFI table header
@@ -1050,7 +1044,7 @@ efi_reboot(enum reboot_mode reboot_mode, const char *__unused) {}
  * Length of a GUID string (strlen("aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee"))
  * not including trailing NUL
  */
-#define EFI_VARIABLE_GUID_LEN 36
+#define EFI_VARIABLE_GUID_LEN	UUID_STRING_LEN
 
 /*
  * The type of search to perform when calling boottime->locate_handle
-- 
2.8.0.rc3

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