diff options
| author |   Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2022-06-06 13:04:06 +0300 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-10 13:49:25 +0200 |
| commit | 4f4c90bb2a5178124391d617c32c4261c53277e7 (patch) | |
| tree | bb8109614289fa6092e55b0599de6a64c23e735b | |
| parent | serial: 8250_fintek: Fill in rs485_supported (diff) | |
serial: 8250_lpc18cc: Fill in rs485_supported
Add information on supported serial_rs485 features.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220606100433.13793-10-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/8250/8250_lpc18xx.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_lpc18xx.c b/drivers/tty/serial/8250/8250_lpc18xx.c index 570e25d6f37e..66ce5d05fe9c 100644 --- a/drivers/tty/serial/8250/8250_lpc18xx.c +++ b/drivers/tty/serial/8250/8250_lpc18xx.c @@ -98,6 +98,12 @@ static void lpc18xx_uart_serial_out(struct uart_port *p, int offset, int value) writel(value, p->membase + offset); } +static const struct serial_rs485 lpc18xx_rs485_supported = { + .flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | SER_RS485_RTS_AFTER_SEND, + .delay_rts_after_send = 1, + /* Delay RTS before send is not supported */ +}; + static int lpc18xx_serial_probe(struct platform_device *pdev) { struct lpc18xx_uart_data *data; @@ -168,6 +174,7 @@ static int lpc18xx_serial_probe(struct platform_device *pdev) uart.port.uartclk = clk_get_rate(data->clk_uart); uart.port.private_data = data; uart.port.rs485_config = lpc18xx_rs485_config; + uart.port.rs485_supported = &lpc18xx_rs485_supported; uart.port.serial_out = lpc18xx_uart_serial_out; uart.dma = &data->dma; |