diff options
| author | Lino Sanfilippo <LinoSanfilippo@gmx.de> | 2022-04-10 12:46:38 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-15 11:30:22 +0200 |
| commit | d84b01cd0497c0efe4bc4517f99c2fbdfddf4129 (patch) | |
| tree | 6e4a96881af85709811d3e57626652f0501bc4aa /drivers/tty/serial/omap-serial.c | |
| parent | serial: sc16is7xx: remove redundant check in rs485_config (diff) | |
| download | linux-d84b01cd0497c0efe4bc4517f99c2fbdfddf4129.tar.xz linux-d84b01cd0497c0efe4bc4517f99c2fbdfddf4129.zip | |
serial: omap: remove redundant code in rs485_config
In uart_set_rs485_config() the serial core already clamps the RTS delays.
It also assigns the passed serial_rs485 struct to the uart port.
So remove these tasks from the drivers rs485_config() function to avoid
redundancy.
Signed-off-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Link: https://lore.kernel.org/r/20220410104642.32195-6-LinoSanfilippo@gmx.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/omap-serial.c')
| -rw-r--r-- | drivers/tty/serial/omap-serial.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 8d5ffa196097..46f4d4cacb6e 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -1336,18 +1336,11 @@ serial_omap_config_rs485(struct uart_port *port, struct serial_rs485 *rs485) up->ier = 0; serial_out(up, UART_IER, 0); - /* Clamp the delays to [0, 100ms] */ - rs485->delay_rts_before_send = min(rs485->delay_rts_before_send, 100U); - rs485->delay_rts_after_send = min(rs485->delay_rts_after_send, 100U); - - /* store new config */ - port->rs485 = *rs485; - if (up->rts_gpiod) { /* enable / disable rts */ - val = (port->rs485.flags & SER_RS485_ENABLED) ? + val = (rs485->flags & SER_RS485_ENABLED) ? SER_RS485_RTS_AFTER_SEND : SER_RS485_RTS_ON_SEND; - val = (port->rs485.flags & val) ? 1 : 0; + val = (rs485->flags & val) ? 1 : 0; gpiod_set_value(up->rts_gpiod, val); } @@ -1358,7 +1351,7 @@ serial_omap_config_rs485(struct uart_port *port, struct serial_rs485 *rs485) /* If RS-485 is disabled, make sure the THR interrupt is fired when * TX FIFO is below the trigger level. */ - if (!(port->rs485.flags & SER_RS485_ENABLED) && + if (!(rs485->flags & SER_RS485_ENABLED) && (up->scr & OMAP_UART_SCR_TX_EMPTY)) { up->scr &= ~OMAP_UART_SCR_TX_EMPTY; serial_out(up, UART_OMAP_SCR, up->scr); |