[Xen-devel] [PATCH v2 38/41] arm : acpi enable efi for acpi

[Parth Dixit <parth.dixit@xxxxxxxxxx>]

efi should be enabled to fetch the root pointer from uefi

Signed-off-by: Parth Dixit <parth.dixit@xxxxxxxxxx>
---
 xen/arch/arm/setup.c     | 2 ++
 xen/common/efi/runtime.c | 2 +-
 xen/include/xen/efi.h    | 2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
index 80364bb..9741113 100644
--- a/xen/arch/arm/setup.c
+++ b/xen/arch/arm/setup.c
@@ -47,6 +47,7 @@
 #include <asm/setup.h>
 #include <xsm/xsm.h>
 #include <asm/acpi.h>
+#include <xen/efi.h>
 
 struct bootinfo __initdata bootinfo;
 
@@ -104,6 +105,7 @@ static void __init parse_acpi_param(char *s)
     else if ( !strcmp(s, "force") )
     {
         acpi_disabled = 0;
+        efi_enabled = 1;
     }
 }
 #endif
diff --git a/xen/common/efi/runtime.c b/xen/common/efi/runtime.c
index 5ed8b01..fb8c0d0 100644
--- a/xen/common/efi/runtime.c
+++ b/xen/common/efi/runtime.c
@@ -11,7 +11,7 @@ DEFINE_XEN_GUEST_HANDLE(CHAR16);
 #ifndef COMPAT
 
 #ifdef CONFIG_ARM  /* Disabled until runtime services implemented */
-const bool_t efi_enabled = 0;
+bool_t efi_enabled = 0;
 #else
 # include <asm/i387.h>
 # include <asm/xstate.h>
diff --git a/xen/include/xen/efi.h b/xen/include/xen/efi.h
index 9fdc72b..448d41d 100644
--- a/xen/include/xen/efi.h
+++ b/xen/include/xen/efi.h
@@ -5,7 +5,7 @@
 #include <xen/types.h>
 #endif
 
-extern const bool_t efi_enabled;
+extern bool_t efi_enabled;
 
 #define EFI_INVALID_TABLE_ADDR (~0UL)
 #define EFI_MEM_DESC_V1 1
-- 
1.9.1


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