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-rw-r--r--arch/i386/kernel/efi.c12
-rw-r--r--arch/ia64/hp/sim/boot/fw-emu.c2
-rw-r--r--arch/ia64/kernel/efi.c10
-rw-r--r--include/linux/efi.h1
4 files changed, 11 insertions, 14 deletions
diff --git a/arch/i386/kernel/efi.c b/arch/i386/kernel/efi.c
index dd9e7faafa7..a1808022ea1 100644
--- a/arch/i386/kernel/efi.c
+++ b/arch/i386/kernel/efi.c
@@ -347,14 +347,12 @@ void __init efi_init(void)
printk(KERN_ERR PFX "Woah! Couldn't map the EFI system table.\n");
if (efi.systab->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE)
printk(KERN_ERR PFX "Woah! EFI system table signature incorrect\n");
- if ((efi.systab->hdr.revision ^ EFI_SYSTEM_TABLE_REVISION) >> 16 != 0)
- printk(KERN_ERR PFX
- "Warning: EFI system table major version mismatch: "
- "got %d.%02d, expected %d.%02d\n",
+ if ((efi.systab->hdr.revision >> 16) == 0)
+ printk(KERN_ERR PFX "Warning: EFI system table version "
+ "%d.%02d, expected 1.00 or greater\n",
efi.systab->hdr.revision >> 16,
- efi.systab->hdr.revision & 0xffff,
- EFI_SYSTEM_TABLE_REVISION >> 16,
- EFI_SYSTEM_TABLE_REVISION & 0xffff);
+ efi.systab->hdr.revision & 0xffff);
+
/*
* Grab some details from the system table
*/
diff --git a/arch/ia64/hp/sim/boot/fw-emu.c b/arch/ia64/hp/sim/boot/fw-emu.c
index 5a0a7afcfc3..300acd913d9 100644
--- a/arch/ia64/hp/sim/boot/fw-emu.c
+++ b/arch/ia64/hp/sim/boot/fw-emu.c
@@ -287,7 +287,7 @@ sys_fw_init (const char *args, int arglen)
memset(efi_systab, 0, sizeof(efi_systab));
efi_systab->hdr.signature = EFI_SYSTEM_TABLE_SIGNATURE;
- efi_systab->hdr.revision = EFI_SYSTEM_TABLE_REVISION;
+ efi_systab->hdr.revision = ((1 << 16) | 00);
efi_systab->hdr.headersize = sizeof(efi_systab->hdr);
efi_systab->fw_vendor = __pa("H\0e\0w\0l\0e\0t\0t\0-\0P\0a\0c\0k\0a\0r\0d\0\0");
efi_systab->fw_revision = 1;
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 78d29b79947..75ec3478d8a 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -445,11 +445,11 @@ efi_init (void)
panic("Woah! Can't find EFI system table.\n");
if (efi.systab->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE)
panic("Woah! EFI system table signature incorrect\n");
- if ((efi.systab->hdr.revision ^ EFI_SYSTEM_TABLE_REVISION) >> 16 != 0)
- printk(KERN_WARNING "Warning: EFI system table major version mismatch: "
- "got %d.%02d, expected %d.%02d\n",
- efi.systab->hdr.revision >> 16, efi.systab->hdr.revision & 0xffff,
- EFI_SYSTEM_TABLE_REVISION >> 16, EFI_SYSTEM_TABLE_REVISION & 0xffff);
+ if ((efi.systab->hdr.revision >> 16) == 0)
+ printk(KERN_WARNING "Warning: EFI system table version "
+ "%d.%02d, expected 1.00 or greater\n",
+ efi.systab->hdr.revision >> 16,
+ efi.systab->hdr.revision & 0xffff);
config_tables = __va(efi.systab->tables);
diff --git a/include/linux/efi.h b/include/linux/efi.h
index f8ebd7c1ddb..0b9579a4cd4 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -213,7 +213,6 @@ typedef struct {
} efi_config_table_t;
#define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
-#define EFI_SYSTEM_TABLE_REVISION ((1 << 16) | 00)
typedef struct {
efi_table_hdr_t hdr;