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SubjectRe: [PATCH] MIPS: ath25: Avoid undefined early_serial_setup() without SERIAL_8250_CONSOLE
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

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