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-rw-r--r--Documentation/devicetree/bindings/serial/uniphier-uart.txt4
-rw-r--r--drivers/tty/serial/8250/8250_uniphier.c10
2 files changed, 1 insertions, 13 deletions
diff --git a/Documentation/devicetree/bindings/serial/uniphier-uart.txt b/Documentation/devicetree/bindings/serial/uniphier-uart.txt
index 0b3892a7a528..811c479b373d 100644
--- a/Documentation/devicetree/bindings/serial/uniphier-uart.txt
+++ b/Documentation/devicetree/bindings/serial/uniphier-uart.txt
@@ -6,9 +6,6 @@ Required properties:
- interrupts: a single interrupt specifier.
- clocks: phandle to the input clock.
-Optional properties:
-- fifo-size: the RX/TX FIFO size. Defaults to 64 if not specified.
-
Example:
aliases {
serial0 = &serial0;
@@ -19,5 +16,4 @@ Example:
reg = <0x54006800 0x40>;
interrupts = <0 33 4>;
clocks = <&uart_clk>;
- fifo-size = <64>;
};
diff --git a/drivers/tty/serial/8250/8250_uniphier.c b/drivers/tty/serial/8250/8250_uniphier.c
index 28d88ccf5a0c..d292654422b2 100644
--- a/drivers/tty/serial/8250/8250_uniphier.c
+++ b/drivers/tty/serial/8250/8250_uniphier.c
@@ -12,9 +12,6 @@
#include "8250.h"
-/* Most (but not all) of UniPhier UART devices have 64-depth FIFO. */
-#define UNIPHIER_UART_DEFAULT_FIFO_SIZE 64
-
/*
* This hardware is similar to 8250, but its register map is a bit different:
* - MMIO32 (regshift = 2)
@@ -185,12 +182,6 @@ static int uniphier_of_serial_setup(struct device *dev, struct uart_port *port,
port->uartclk = clk_get_rate(priv->clk);
- /* Check for fifo size */
- if (of_property_read_u32(np, "fifo-size", &prop) == 0)
- port->fifosize = prop;
- else
- port->fifosize = UNIPHIER_UART_DEFAULT_FIFO_SIZE;
-
return 0;
}
@@ -241,6 +232,7 @@ static int uniphier_uart_probe(struct platform_device *pdev)
up.port.type = PORT_16550A;
up.port.iotype = UPIO_MEM32;
+ up.port.fifosize = 64;
up.port.regshift = UNIPHIER_UART_REGSHIFT;
up.port.flags = UPF_FIXED_PORT | UPF_FIXED_TYPE;
up.capabilities = UART_CAP_FIFO;