diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 022c83786aec..e55b0089c06f 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -105,8 +105,14 @@ config ASUS_LAPTOP
 
 	  If you have an ACPI-compatible ASUS laptop, say Y or M here.
 
+#
+# If the DELL_SMBIOS_SMM feature is enabled, the DELL_SMBIOS driver
+# becomes dependent on the DCDBAS driver. The "depends" line prevents a
+# configuration where DELL_SMBIOS=y while DCDBAS=m.
+#
 config DELL_SMBIOS
 	tristate "Dell SMBIOS driver"
+	depends on DCDBAS || DCDBAS=n
 	---help---
 	This provides support for the Dell SMBIOS calling interface.
 	If you have a Dell computer you should enable this option.