Re: [PATCH] serial: sunzilog: Mark sunzilog_putchar() __maybe_unused

From: David Miller
Date: Tue Oct 26 2021 - 08:32:15 EST


From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Date: Tue, 26 Oct 2021 10:04:26 +0200

> If CONSOLE_POLL=n, CONFIG_SERIAL_SUNZILOG_CONSOLE=n, and CONFIG_SERIO=m:
>
> drivers/tty/serial/sunzilog.c:1128:13: error: ʽsunzilog_putcharʼ defined but not used [-Werror=unused-function]
> 1128 | static void sunzilog_putchar(struct uart_port *port, int ch)
> | ^~~~~~~~~~~~~~~~
>
> Fix this by marking sunzilog_putchar() __maybe_unused.
>
> Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>

Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>