altera_uart: Make it possible to use Altera UART and 8250 ports together

This fixes tty name, major and minor numbers. The major number
204 is used across many platform-specific serial drivers, so we
use that.

Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Acked-by: Tobias Klauser <tklauser@distanz.ch>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 7 insertions, 4 deletions

diff --git a/drivers/serial/altera_uart.c b/drivers/serial/altera_uart.c
index f1985aaf2cbc..fbc8f8e4ffaa 100644
--- a/drivers/serial/altera_uart.c
+++ b/drivers/serial/altera_uart.c
@@ -28,6 +28,8 @@
 #include <linux/altera_uart.h>
 
 #define DRV_NAME "altera_uart"
+#define SERIAL_ALTERA_MAJOR 204
+#define SERIAL_ALTERA_MINOR 213
 
 /*
  * Altera UART register definitions according to the Nios UART datasheet:
@@ -471,7 +473,7 @@ static int __init altera_uart_console_setup(struct console *co, char *options)
 static struct uart_driver altera_uart_driver;
 
 static struct console altera_uart_console = {
-        .name   = "ttyS",
+        .name   = "ttyAL",
         .write  = altera_uart_console_write,
         .device = uart_console_device,
         .setup  = altera_uart_console_setup,
@@ -502,9 +504,9 @@ console_initcall(altera_uart_console_init);
 static struct uart_driver altera_uart_driver = {
         .owner          = THIS_MODULE,
         .driver_name    = DRV_NAME,
-        .dev_name       = "ttyS",
-        .major          = TTY_MAJOR,
-        .minor          = 64,
+        .dev_name       = "ttyAL",
+        .major          = SERIAL_ALTERA_MAJOR,
+        .minor          = SERIAL_ALTERA_MINOR,
         .nr             = CONFIG_SERIAL_ALTERA_UART_MAXPORTS,
         .cons           = ALTERA_UART_CONSOLE,
 };
@@ -603,3 +605,4 @@ MODULE_DESCRIPTION("Altera UART driver");
 MODULE_AUTHOR("Thomas Chou <thomas@wytron.com.tw>");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:" DRV_NAME);
+MODULE_ALIAS_CHARDEV_MAJOR(SERIAL_ALTERA_MAJOR);