[PATCH] serial: stm32: fix initialization of RS485 mode

[Arnd Bergmann]

On Thu, Mar 15, 2018 at 9:44 AM, Bich HEMON <bich.hemon at st.com> wrote:
> Configure RS485 mode during port initialization.
>
> Fixes: 1bcda09d291081a7732fcaa9d1745312404a4e36 ("serial: stm32: add
> support for RS485 hardware control mode")
>
> Signed-off-by: Bich Hemon <bich.hemon at st.com>

I noticed the unused-function warning from the original patch, and the
patch also fixes that (besides looking like it does the right thing).

Acked-by: Arnd Bergmann <arnd at arndb.de>