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serial: imx: Remove serial_rs485 sanitization 

The driver provides different rs485_supported for the case where RTS is
not available making it unnecessary to handle it in
imx_uart_rs485_config.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220606100433.13793-32-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-06-06 13:04:28 +03:00 committed by Greg Kroah-Hartman
parent 7195eefb38
commit 55e18c6b6d
1 changed files with 0 additions and 4 deletions
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4
drivers/tty/serial/imx.c
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@ -1913,10 +1913,6 @@ static int imx_uart_rs485_config(struct uart_port *port,
struct imx_port *sport = (struct imx_port *)port;
u32 ucr2;
/* RTS is required to control the transmitter */
if (!sport->have_rtscts && !sport->have_rtsgpio)
rs485conf->flags &= ~SER_RS485_ENABLED;
if (rs485conf->flags & SER_RS485_ENABLED) {
/* Enable receiver if low-active RTS signal is requested */
if (sport->have_rtscts && !sport->have_rtsgpio &&