On Thu, Jan 21, 2016 at 6:21 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote: > On Thursday 21 January 2016 20:39:03 Masahiro Yamada wrote: >> 2016-01-14 7:33 GMT+09:00 Arnd Bergmann <arnd@xxxxxxxx>: >> > The recently added uniphier 8250 port driver supports early console >> > probing, and it supports being built as a module, but the combination >> > of the two fails to link: >> > >> > ERROR: "early_serial8250_setup" [drivers/tty/serial/8250/8250_uniphier.ko] undefined! >> > >> > Given that earlycon support in a loadable module makes no sense, >> > making that code conditional on 'MODULE' is a correct solution. >> > >> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> >> > Fixes: b8d20e06eaad ("serial: 8250_uniphier: add earlycon support") >> > >> > diff --git a/drivers/tty/serial/8250/8250_uniphier.c b/drivers/tty/serial/8250/8250_uniphier.c >> > index bab6b3ae2540..1b7bd26555b7 100644 >> > --- a/drivers/tty/serial/8250/8250_uniphier.c >> > +++ b/drivers/tty/serial/8250/8250_uniphier.c >> > @@ -35,7 +35,7 @@ struct uniphier8250_priv { >> > spinlock_t atomic_write_lock; >> > }; >> > >> > -#ifdef CONFIG_SERIAL_8250_CONSOLE >> > +#if defined(CONFIG_SERIAL_8250_CONSOLE) && !defined(MODULE) >> > static int __init uniphier_early_console_setup(struct earlycon_device *device, >> > const char *options) >> > { >> > >> > >> >> >> If my patch (https://patchwork.kernel.org/patch/8029331/) is accepted, >> this build error will be fixed as well. But I doubt it is accepted soon... >> >> So, I am OK with this workaround to fix "make allmodconfig". >> >> Acked-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> >> > > Good point. Adding the DT maintainers to Cc. Guys, any chance of you > picking up Masahiro's patch for 4.5? I will if you can update the commit log with the details here about it fixing an actual problem. Rob -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html