Kbuild descends into arch/arm/mach-mediatek/Makefile only when CONFIG_ARCH_MEDIATEK is enabled. So, obj-$(CONFIG_ARCH_MEDIATEK) is always equivalent to obj-y in this Makefile.
Signed-off-by: Masahiro Yamada Signed-off-by: Matthias Brugger
obj-$(CONFIG_SMP) += platsmp.o obj-y += mediatek.o