--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
-@@ -300,6 +300,7 @@ config ATH79_MACH_RB750
+@@ -300,6 +300,8 @@ config ATH79_MACH_RB750
bool "MikroTik RouterBOARD 750 support"
select SOC_AR724X
select ATH79_DEV_ETH
++ select ATH79_DEV_AP9X_PCI if PCI
+ select ATH79_DEV_USB
config ATH79_MACH_WNDR3700