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SubjectRe: [PATCH] 8250: uniphier: allow modular build with 8250 console
From
Just for clarification:

The build error was fixed by another patch
(https://patchwork.kernel.org/patch/8082931/)

So, this one is unneeded.



2016-01-22 1:50 GMT+09:00 Masahiro Yamada <yamada.masahiro@socionext.com>:
> Hi Rob.
>
>
> 2016-01-21 23:09 GMT+09:00 Rob Herring <robh+dt@kernel.org>:
>> On Thu, Jan 21, 2016 at 6:21 AM, Arnd Bergmann <arnd@arndb.de> wrote:
>>> On Thursday 21 January 2016 20:39:03 Masahiro Yamada wrote:
>>>> 2016-01-14 7:33 GMT+09:00 Arnd Bergmann <arnd@arndb.de>:
>>>> > 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@arndb.de>
>>>> > 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@socionext.com>
>>>>
>>>
>>> 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.
>
> I did so in v2.
>
> Thanks!
>
>
>
>
> --
> Best Regards
> Masahiro Yamada



--
Best Regards
Masahiro Yamada

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