serial: 8250_pci: 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/20220606100433.13793-29-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index a76254031bc2aef3191216c8e171f209725fa6ef..b6d71268aa7da00cfe31bb2d6df04e6044da9eb6 100644 (file)
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1562,14 +1562,6 @@ static int pci_fintek_rs485_config(struct uart_port *port,
 
        pci_read_config_byte(pci_dev, 0x40 + 8 * *index + 7, &setting);
 
-       if (rs485->flags & SER_RS485_ENABLED)
-               memset(rs485->padding, 0, sizeof(rs485->padding));
-       else
-               memset(rs485, 0, sizeof(*rs485));
-
-       /* F81504/508/512 not support RTS delay before or after send */
-       rs485->flags &= SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND;
-
        if (rs485->flags & SER_RS485_ENABLED) {
                /* Enable RTS H/W control mode */
                setting |= FINTEK_RTS_CONTROL_BY_HW;
@@ -1581,9 +1573,6 @@ static int pci_fintek_rs485_config(struct uart_port *port,
                        /* RTS driving low on TX */
                        setting |= FINTEK_RTS_INVERT;
                }
-
-               rs485->delay_rts_after_send = 0;
-               rs485->delay_rts_before_send = 0;
        } else {
                /* Disable RTS H/W control mode */
                setting &= ~(FINTEK_RTS_CONTROL_BY_HW | FINTEK_RTS_INVERT);
@@ -1591,9 +1580,6 @@ static int pci_fintek_rs485_config(struct uart_port *port,
 
        pci_write_config_byte(pci_dev, 0x40 + 8 * *index + 7, setting);
 
-       if (rs485 != &port->rs485)
-               port->rs485 = *rs485;
-
        return 0;
 }