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authorIlpo Järvinen <ilpo.jarvinen@linux.intel.com>2022-06-06 13:04:08 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-06-10 13:49:25 +0200
commit456d523b1be3a0a0c3498fce55b32fc205fac7e1 (patch)
treef5850ff0f9e4bce9a88c312c1a5c3999cc4ee571
parentserial: 8250_of: Use serial8250_em485_supported (diff)
downloadlinux-dev-456d523b1be3a0a0c3498fce55b32fc205fac7e1.tar.xz
linux-dev-456d523b1be3a0a0c3498fce55b32fc205fac7e1.zip
serial: 8250_pci: Fill in rs485_supported for pci_fintek
Add information on supported serial_rs485 features. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20220606100433.13793-12-ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/tty/serial/8250/8250_pci.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index fb0a49e39072..a76254031bc2 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1597,6 +1597,11 @@ static int pci_fintek_rs485_config(struct uart_port *port,
return 0;
}
+static const struct serial_rs485 pci_fintek_rs485_supported = {
+ .flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND,
+ /* F81504/508/512 does not support RTS delay before or after send */
+};
+
static int pci_fintek_setup(struct serial_private *priv,
const struct pciserial_board *board,
struct uart_8250_port *port, int idx)
@@ -1616,6 +1621,7 @@ static int pci_fintek_setup(struct serial_private *priv,
port->port.iotype = UPIO_PORT;
port->port.iobase = iobase;
port->port.rs485_config = pci_fintek_rs485_config;
+ port->port.rs485_supported = &pci_fintek_rs485_supported;
data = devm_kzalloc(&pdev->dev, sizeof(u8), GFP_KERNEL);
if (!data)