Commit 9f1ca068 authored by Heikki Krogerus's avatar Heikki Krogerus Committed by Greg Kroah-Hartman
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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: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 6a3f45dc

Documentation/devicetree/bindings/tty/serial/of-serial.txt

+1 −0
Original line number Diff line number Diff line
@@ -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:

drivers/tty/serial/of_serial.c

+4 −0
Original line number Diff line number Diff line
@@ -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) {

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