cc72a1eea5
The symbol is not used outside of the file, so mark it static. Fixes the following warning: drivers/tty/hvc/hvc_rtas.c:29:19: warning: symbol 'hvc_rtas_dev' was not declared. Should it be static? Reviewed-by: Jiri Slaby <jirislaby@kernel.org> Signed-off-by: ruanjinjie <ruanjinjie@huawei.com> Link: https://lore.kernel.org/r/20221019064412.3759874-1-ruanjinjie@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>