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-rw-r--r--src/soc/intel/broadwell/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/soc/intel/broadwell/Kconfig b/src/soc/intel/broadwell/Kconfig
index c14766343d..2e70f45eea 100644
--- a/src/soc/intel/broadwell/Kconfig
+++ b/src/soc/intel/broadwell/Kconfig
@@ -36,6 +36,7 @@ config CPU_SPECIFIC_OPTIONS
select PCIEXP_ASPM
select PCIEXP_COMMON_CLOCK
select PCIEXP_CLK_PM
+ select PCIEXP_L1_SUB_STATE
select SMM_MODULES
select SMM_TSEG
select SMP