android/android_kernel_samsung_sm8650
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

serial: sc16is7xx: add missing support for rs485 devicetree properties

Browse Source 
commit b4a778303ea0fcabcaff974721477a5743e1f8ec 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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/tty/serial/sc16is7xx.c
View File

@ -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 */