diff --git a/arch/arm64/configs/bcm2711_defconfig b/arch/arm64/configs/bcm2711_defconfig
index d75862f9c8639a..c814bf8dd4d322 100644
--- a/arch/arm64/configs/bcm2711_defconfig
+++ b/arch/arm64/configs/bcm2711_defconfig
@@ -48,6 +48,7 @@ CONFIG_ARM64_ERRATUM_2441009=y
 # CONFIG_CAVIUM_ERRATUM_27456 is not set
 CONFIG_ARM64_VA_BITS_39=y
 CONFIG_NR_CPUS=4
+CONFIG_HOTPLUG_CPU=y
 CONFIG_COMPAT=y
 CONFIG_ARMV8_DEPRECATED=y
 CONFIG_SWP_EMULATION=y
diff --git a/arch/arm64/configs/bcm2712_defconfig b/arch/arm64/configs/bcm2712_defconfig
index 8234dc3b9f1d72..649ddeceded7df 100644
--- a/arch/arm64/configs/bcm2712_defconfig
+++ b/arch/arm64/configs/bcm2712_defconfig
@@ -49,6 +49,7 @@ CONFIG_ARM64_ERRATUM_2441009=y
 CONFIG_ARM64_16K_PAGES=y
 CONFIG_ARM64_VA_BITS_47=y
 CONFIG_NR_CPUS=4
+CONFIG_HOTPLUG_CPU=y
 CONFIG_COMPAT=y
 CONFIG_ARMV8_DEPRECATED=y
 CONFIG_SWP_EMULATION=y