linux-next: build warnings after merge of the tty tree

[Stephen Rothwell]

Hi Greg,

After merging the tty tree, today's linux-next build (arm
multi_v7_defconfig) produced these warnings:

drivers/tty/serial/stm32-usart.c:155:12: warning: 'stm32_init_rs485' defined 
but not used [-Wunused-function]
 static int stm32_init_rs485(struct uart_port *port,
            ^~~~~~~~~~~~~~~~
drivers/tty/serial/stm32-usart.c:100:12: warning: 'stm32_config_rs485' defined 
but not used [-Wunused-function]
 static int stm32_config_rs485(struct uart_port *port,
            ^~~~~~~~~~~~~~~~~~

Introduced by commit

  1bcda09d2910 ("serial: stm32: add support for RS485 hardware control mode")

-- 
Cheers,
Stephen Rothwell

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