From: Heikki Krogerus Date: Mon, 25 Mar 2013 11:34:45 +0000 (+0200) Subject: serial: of_serial: Handle fifo-size property X-Git-Tag: v3.10-rc1~191^2~44 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=9f1ca068ea9968e2bde4a2418d97fcd89005f4bf;p=linux.git 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 8f01cb190f25..c13f0ce74da6 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 b025d5438275..267711b5cb4d 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) {