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serial: sc16is7xx: add missing support for rs485 devicetree properties

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commit b4a778303e upstream.

Retrieve rs485 devicetree properties on registration of sc16is7xx ports in
case they are attached to an rs485 transceiver.

Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Lech Perczak <lech.perczak@camlingroup.com>
Tested-by: Lech Perczak <lech.perczak@camlingroup.com>
Link: https://lore.kernel.org/r/20230807214556.540627-7-hugo@hugovil.com
Cc: Hugo Villeneuve <hugo@hugovil.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hugo Villeneuve
2023-08-07 17:45:56 -04:00
committed by Greg Kroah-Hartman
parent 55061c3230
commit e8c1105c0c
1 changed files with 4 additions and 0 deletions
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4
drivers/tty/serial/sc16is7xx.c
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@@ -1556,6 +1556,10 @@ static int sc16is7xx_probe(struct device *dev,
goto out_ports;
}
ret = uart_get_rs485_mode(&s->p[i].port);
if (ret)
goto out_ports;
/* Disable all interrupts */
sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_IER_REG, 0);
/* Disable TX/RX */