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-rw-r--r--src/soc/intel/xeon_sp/acpi/iiostack.asl2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/soc/intel/xeon_sp/acpi/iiostack.asl b/src/soc/intel/xeon_sp/acpi/iiostack.asl
index 73f9937e01..91a5c6cd4d 100644
--- a/src/soc/intel/xeon_sp/acpi/iiostack.asl
+++ b/src/soc/intel/xeon_sp/acpi/iiostack.asl
@@ -43,7 +43,7 @@
CTRL &= 0x1D \
/* Disable Native PCIe AER handling from OS */ \
CTRL &= 0x17 \
- If ((Arg1 != One)) /* unknown revision */ \
+ If ((Arg1 != 1)) /* unknown revision */ \
{ \
CDW1 |= 0x08 \
} \