From: Matt DeVillier <matt.devill...@gmail.com>
Internal eMMC devices often show multiple entries, so skip
any after the initial entry.
Signed-off-by: Matt DeVillier <matt.devill...@gmail.com>
---
MdeModulePkg/Library/UefiBootManagerLib/BmBoot.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/MdeModulePkg/Library/UefiBootManagerLib/BmBoot.c
b/MdeModulePkg/Library/UefiBootManagerLib/BmBoot.c
index 962892d38f..f7da5bcdfc 100644
--- a/MdeModulePkg/Library/UefiBootManagerLib/BmBoot.c
+++ b/MdeModulePkg/Library/UefiBootManagerLib/BmBoot.c
@@ -2175,12 +2175,14 @@ BmEnumerateBootOptions (
EFI_BLOCK_IO_PROTOCOL *BlkIo;
UINTN Removable;
UINTN Index;
+ UINTN EmmcCount;
CHAR16 *Description;
ASSERT (BootOptionCount != NULL);
*BootOptionCount = 0;
BootOptions = NULL;
+ EmmcCount = 0;
//
// Parse removable block io followed by fixed block io
@@ -2219,6 +2221,17 @@ BmEnumerateBootOptions (
}
Description = BmGetBootDescription (Handles[Index]);
+
+ //
+ // Skip secondary entries for internal eMMC devices
+ //
+ if (StrCmp(Description, L"eMMC Device") == 0) {
+ EmmcCount++;
+ if (EmmcCount > 1) {
+ continue;
+ }
+ }
+
BootOptions = ReallocatePool (
sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) *
(*BootOptionCount),
sizeof (EFI_BOOT_MANAGER_LOAD_OPTION) *
(*BootOptionCount + 1),
--
2.32.0
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