diff options
| author | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2022-06-06 13:04:22 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-10 14:49:57 +0300 |
| commit | 9cdaf4fc2e6f8eeb137dbf6c5d6346cbf249ff49 (patch) | |
| tree | a22503882062cc078b05ab100aeb2fca94475f61 /drivers/tty/serial/8250/8250_dwlib.c | |
| parent | 51ad36baacb3b2fd1bd980138a937d30d6c84cdf (diff) | |
| download | linux-9cdaf4fc2e6f8eeb137dbf6c5d6346cbf249ff49.tar.xz | |
serial: 8250_dwlib: Remove serial_rs485 sanitization
Serial core handles serial_rs485 sanitization and rs485 struct
assignment. As serial_rs485 is already clear for the non-RS485 case by
serial core, there no need to clear flags in the driver.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220606100433.13793-26-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/8250/8250_dwlib.c')
| -rw-r--r-- | drivers/tty/serial/8250/8250_dwlib.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/drivers/tty/serial/8250/8250_dwlib.c b/drivers/tty/serial/8250/8250_dwlib.c index 120b29519d74..c83e7eaf3877 100644 --- a/drivers/tty/serial/8250/8250_dwlib.c +++ b/drivers/tty/serial/8250/8250_dwlib.c @@ -93,9 +93,6 @@ static int dw8250_rs485_config(struct uart_port *p, struct serial_rs485 *rs485) tcr &= ~DW_UART_TCR_XFER_MODE; if (rs485->flags & SER_RS485_ENABLED) { - /* Clear unsupported flags. */ - rs485->flags &= SER_RS485_ENABLED | SER_RS485_RX_DURING_TX | - SER_RS485_RTS_ON_SEND | SER_RS485_RTS_AFTER_SEND; tcr |= DW_UART_TCR_RS485_EN; if (rs485->flags & SER_RS485_RX_DURING_TX) { @@ -111,8 +108,6 @@ static int dw8250_rs485_config(struct uart_port *p, struct serial_rs485 *rs485) dw8250_writel_ext(p, DW_UART_DE_EN, 1); dw8250_writel_ext(p, DW_UART_RE_EN, 1); } else { - rs485->flags = 0; - tcr &= ~DW_UART_TCR_RS485_EN; } @@ -127,11 +122,6 @@ static int dw8250_rs485_config(struct uart_port *p, struct serial_rs485 *rs485) dw8250_writel_ext(p, DW_UART_TCR, tcr); - rs485->delay_rts_before_send = 0; - rs485->delay_rts_after_send = 0; - - p->rs485 = *rs485; - return 0; } |