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serial: 8250: lpc18xx: Remove serial_rs485 sanitization

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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>
This commit is contained in:
Ilpo Järvinen
2022-06-06 13:04:24 +03:00
committed by Greg Kroah-Hartman
parent cf426544a4
commit ebc3c2a4cd
1 changed files with 0 additions and 13 deletions
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13
drivers/tty/serial/8250/8250_lpc18xx.c
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@@ -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;
}