Export serial8250 uart driver for uart bus enumerator users.
Signed-off-by: Lv Zheng <lv.zheng@xxxxxxxxx>
---
drivers/tty/serial/8250/8250.c | 5 ++---
include/linux/serial_8250.h | 2 ++
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/serial/8250/8250.c b/drivers/tty/serial/8250/8250.c
index 3ba4234..af78374 100644
--- a/drivers/tty/serial/8250/8250.c
+++ b/drivers/tty/serial/8250/8250.c
@@ -56,8 +56,6 @@ static unsigned int share_irqs = SERIAL8250_SHARE_IRQS;
static unsigned int nr_uarts = CONFIG_SERIAL_8250_RUNTIME_UARTS;
-static struct uart_driver serial8250_reg;
-
static int serial_index(struct uart_port *port)
{
return (serial8250_reg.minor - 64) + port->line;
@@ -2902,7 +2900,7 @@ int serial8250_find_port(struct uart_port *p)
#define SERIAL8250_CONSOLE NULL
#endif
-static struct uart_driver serial8250_reg = {
+struct uart_driver serial8250_reg = {
.owner = THIS_MODULE,
.driver_name = "serial",
.dev_name = "ttyS",
@@ -2910,6 +2908,7 @@ static struct uart_driver serial8250_reg = {
.minor = 64,
.cons = SERIAL8250_CONSOLE,
};
+EXPORT_SYMBOL_GPL(serial8250_reg);
/*
* early_serial_setup - early registration for 8250 ports
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index c174c90..687af38 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -96,6 +96,8 @@ struct uart_8250_port {
void (*dl_write)(struct uart_8250_port *, int);
};
+extern struct uart_driver serial8250_reg;
+
int serial8250_register_8250_port(struct uart_8250_port *);
void serial8250_unregister_port(int line);
void serial8250_suspend_port(int line);
--
1.7.10
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