include/linux/efi.h: 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>
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Dmitry Kasatkin <dmitry.kasatkin@gmail.com>
Cc: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/efi.h b/include/linux/efi.h
index df7acb51f3cc7d26668fb9a751b52ea8b53acf5d..c2db3ca22217c85891f06b53496bb6f644d2399e 100644 (file)
--- 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 <linux/screen_info.h>
 
 #include <asm/page.h>
@@ -44,17 +45,10 @@ 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
@@ -1117,7 +1111,7 @@ extern int efi_status_to_err(efi_status_t status);
  * 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