On Tue, Nov 14, 2017 at 01:29:17PM +0000, Matt Redfearn wrote: > Currently MIPS allnoconfig with CONFIG_ATH25=y fails to link due to > missing support for early_serial_setup(): > > LD vmlinux > arch/mips/ath25/devices.o: In function ath25_serial_setup': > devices.c:(.init.text+0x68): undefined reference to 'early_serial_setup' > > Rather than adding dependencies to the platform to force inclusion of > SERIAL_8250_CONSOLE together with it's dependencies like TTY, HAS_IOMEM, > etc, just make ath25_serial_setup() a no-op when the dependency is not > selected in the kernel config.
Looks like arch/mips/rb532/serial.c might be suffering from the same issue? Ralf
