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path: root/drivers/tty/serial/of_serial.c
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Diffstat (limited to 'drivers/tty/serial/of_serial.c')
-rw-r--r--drivers/tty/serial/of_serial.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c
index 267711b5cb4d..39c7ea4cb14f 100644
--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c
@@ -14,7 +14,6 @@
14#include <linux/slab.h> 14#include <linux/slab.h>
15#include <linux/delay.h> 15#include <linux/delay.h>
16#include <linux/serial_core.h> 16#include <linux/serial_core.h>
17#include <linux/serial_8250.h>
18#include <linux/serial_reg.h> 17#include <linux/serial_reg.h>
19#include <linux/of_address.h> 18#include <linux/of_address.h>
20#include <linux/of_irq.h> 19#include <linux/of_irq.h>
@@ -22,6 +21,8 @@
22#include <linux/nwpserial.h> 21#include <linux/nwpserial.h>
23#include <linux/clk.h> 22#include <linux/clk.h>
24 23
24#include "8250/8250.h"
25
25struct of_serial_info { 26struct of_serial_info {
26 struct clk *clk; 27 struct clk *clk;
27 int type; 28 int type;
@@ -171,11 +172,17 @@ static int of_platform_serial_probe(struct platform_device *ofdev)
171#ifdef CONFIG_SERIAL_8250 172#ifdef CONFIG_SERIAL_8250
172 case PORT_8250 ... PORT_MAX_8250: 173 case PORT_8250 ... PORT_MAX_8250:
173 { 174 {
174 /* For now the of bindings don't support the extra
175 8250 specific bits */
176 struct uart_8250_port port8250; 175 struct uart_8250_port port8250;
177 memset(&port8250, 0, sizeof(port8250)); 176 memset(&port8250, 0, sizeof(port8250));
178 port8250.port = port; 177 port8250.port = port;
178
179 if (port.fifosize)
180 port8250.capabilities = UART_CAP_FIFO;
181
182 if (of_property_read_bool(ofdev->dev.of_node,
183 "auto-flow-control"))
184 port8250.capabilities |= UART_CAP_AFE;
185
179 ret = serial8250_register_8250_port(&port8250); 186 ret = serial8250_register_8250_port(&port8250);
180 break; 187 break;
181 } 188 }