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SubjectRe: [PATCH v3 03/14] serial: liteuart: remove unused uart_ops stubs
On Sat, 12 Nov 2022, Gabriel Somlo wrote:

> Remove stub uart_ops methods that are not called unconditionally
> from serial_core. Document stubs that are expected to be present.
>
> Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
> ---
> drivers/tty/serial/liteuart.c | 18 +-----------------
> 1 file changed, 1 insertion(+), 17 deletions(-)
>
> diff --git a/drivers/tty/serial/liteuart.c b/drivers/tty/serial/liteuart.c
> index 1497d4cdc221..90f6280c5452 100644
> --- a/drivers/tty/serial/liteuart.c
> +++ b/drivers/tty/serial/liteuart.c
> @@ -122,6 +122,7 @@ static unsigned int liteuart_get_mctrl(struct uart_port *port)
>
> static void liteuart_stop_tx(struct uart_port *port)
> {
> + /* not used in LiteUART, but called unconditionally from serial_core */
> }
>
> static void liteuart_start_tx(struct uart_port *port)
> @@ -154,11 +155,6 @@ static void liteuart_stop_rx(struct uart_port *port)
> del_timer(&uart->timer);
> }
>
> -static void liteuart_break_ctl(struct uart_port *port, int break_state)
> -{
> - /* LiteUART doesn't support sending break signal */
> -}
> -
> static int liteuart_startup(struct uart_port *port)
> {
> struct liteuart_port *uart = to_liteuart_port(port);
> @@ -197,15 +193,6 @@ static const char *liteuart_type(struct uart_port *port)
> return "liteuart";
> }
>
> -static void liteuart_release_port(struct uart_port *port)
> -{
> -}
> -
> -static int liteuart_request_port(struct uart_port *port)
> -{
> - return 0;
> -}
> -
> static void liteuart_config_port(struct uart_port *port, int flags)
> {
> /*
> @@ -232,13 +219,10 @@ static const struct uart_ops liteuart_ops = {
> .stop_tx = liteuart_stop_tx,
> .start_tx = liteuart_start_tx,
> .stop_rx = liteuart_stop_rx,
> - .break_ctl = liteuart_break_ctl,
> .startup = liteuart_startup,
> .shutdown = liteuart_shutdown,
> .set_termios = liteuart_set_termios,
> .type = liteuart_type,
> - .release_port = liteuart_release_port,
> - .request_port = liteuart_request_port,
> .config_port = liteuart_config_port,
> .verify_port = liteuart_verify_port,
> };
>

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>


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