From 9f1ca068ea9968e2bde4a2418d97fcd89005f4bf Mon Sep 17 00:00:00 2001 From: Heikki Krogerus Date: Mon, 25 Mar 2013 13:34:45 +0200 Subject: serial: of_serial: Handle fifo-size property This will reduce the need for extra types in 8250.c just in case the fifo size differs from the standard. Signed-off-by: Heikki Krogerus Acked-by: Arnd Bergmann Signed-off-by: Greg Kroah-Hartman diff --git a/Documentation/devicetree/bindings/tty/serial/of-serial.txt b/Documentation/devicetree/bindings/tty/serial/of-serial.txt index 8f01cb1..c13f0ce 100644 --- a/Documentation/devicetree/bindings/tty/serial/of-serial.txt +++ b/Documentation/devicetree/bindings/tty/serial/of-serial.txt @@ -33,6 +33,7 @@ Optional properties: RTAS and should not be registered. - no-loopback-test: set to indicate that the port does not implements loopback test mode +- fifo-size: the fifo size of the UART. Example: diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c index b025d54..267711b 100644 --- a/drivers/tty/serial/of_serial.c +++ b/drivers/tty/serial/of_serial.c @@ -97,6 +97,10 @@ static int of_platform_serial_setup(struct platform_device *ofdev, if (of_property_read_u32(np, "reg-shift", &prop) == 0) port->regshift = prop; + /* Check for fifo size */ + if (of_property_read_u32(np, "fifo-size", &prop) == 0) + port->fifosize = prop; + port->irq = irq_of_parse_and_map(np, 0); port->iotype = UPIO_MEM; if (of_property_read_u32(np, "reg-io-width", &prop) == 0) { -- cgit v0.10.2