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serial: pl011: 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/20220606100433.13793-13-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-06-06 13:04:09 +03:00 committed by Greg Kroah-Hartman
parent 456d523b1b
commit ebe2cf736a
1 changed files with 8 additions and 0 deletions
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8
drivers/tty/serial/amba-pl011.c
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@ -2751,6 +2751,13 @@ static int pl011_register_port(struct uart_amba_port *uap)
return ret;
}
static const struct serial_rs485 pl011_rs485_supported = {
.flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | SER_RS485_RTS_AFTER_SEND |
SER_RS485_RX_DURING_TX,
.delay_rts_before_send = 1,
.delay_rts_after_send = 1,
};
static int pl011_probe(struct amba_device *dev, const struct amba_id *id)
{
struct uart_amba_port *uap;
@ -2777,6 +2784,7 @@ static int pl011_probe(struct amba_device *dev, const struct amba_id *id)
uap->port.irq = dev->irq[0];
uap->port.ops = &amba_pl011_pops;
uap->port.rs485_config = pl011_rs485_config;
uap->port.rs485_supported = &pl011_rs485_supported;
snprintf(uap->type, sizeof(uap->type), "PL011 rev%u", amba_rev(dev));
ret = pl011_setup_port(&dev->dev, uap, &dev->res, portnr);