This eliminates the following sparse warning: drivers/tty/serial/ucc_uart.c:286:6: warning: symbol 'qe_uart_set_mctrl' was not declared. Should it be static? Reported-by: Hulk Robot <hulkci@huawei.com> Acked-by: Jiri Slaby <jirislaby@kernel.org> Signed-off-by: Jason Yan <yanaijie@huawei.com> Link: https://lore.kernel.org/r/20200912033834.143166-1-yanaijie@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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