serial: 8250: lpc18xx: Remove serial_rs485 sanitization

Serial core handles serial_rs485 sanitization and copying rs485 struct.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220606100433.13793-28-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/8250/8250_lpc18xx.c b/drivers/tty/serial/8250/8250_lpc18xx.c
index 66ce5d05fe9cd4b870d007737500f29852cc7629..3a1cb51cbc919a1acb9ae0a04b600cf578f0618b 100644 (file)
--- a/drivers/tty/serial/8250/8250_lpc18xx.c
+++ b/drivers/tty/serial/8250/8250_lpc18xx.c
@@ -40,14 +40,6 @@ static int lpc18xx_rs485_config(struct uart_port *port,
        u32 rs485_dly_reg = 0;
        unsigned baud_clk;
 
-       if (rs485->flags & SER_RS485_ENABLED)
-               memset(rs485->padding, 0, sizeof(rs485->padding));
-       else
-               memset(rs485, 0, sizeof(*rs485));
-
-       rs485->flags &= SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND |
-                       SER_RS485_RTS_AFTER_SEND;
-
        if (rs485->flags & SER_RS485_ENABLED) {
                rs485_ctrl_reg |= LPC18XX_UART_RS485CTRL_NMMEN |
                                  LPC18XX_UART_RS485CTRL_DCTRL;
@@ -73,14 +65,9 @@ static int lpc18xx_rs485_config(struct uart_port *port,
                                                / baud_clk;
        }
 
-       /* Delay RTS before send not supported */
-       rs485->delay_rts_before_send = 0;
-
        serial_out(up, LPC18XX_UART_RS485CTRL, rs485_ctrl_reg);
        serial_out(up, LPC18XX_UART_RS485DLY, rs485_dly_reg);
 
-       port->rs485 = *rs485;
-
        return 0;
 }