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| author | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2022-06-06 13:04:09 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-10 13:49:25 +0200 |
| commit | ebe2cf736a0426b228b73f858cdd782c77c109c3 (patch) | |
| tree | a80827c34edcb75ca9aec199b35419c9ca40ed09 | |
| parent | 456d523b1be3a0a0c3498fce55b32fc205fac7e1 (diff) | |
| download | lwn-ebe2cf736a0426b228b73f858cdd782c77c109c3.tar.gz lwn-ebe2cf736a0426b228b73f858cdd782c77c109c3.zip | |
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>
| -rw-r--r-- | drivers/tty/serial/amba-pl011.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 97ef41cb2721..cdc466e89aa8 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -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); |