openwrt-xburst/target/linux/etrax/patches/300-sysfs.patch

--- a/drivers/serial/crisv10.c
+++ b/drivers/serial/crisv10.c
@@ -27,6 +27,7 @@
 #include <linux/kernel.h>
 #include <linux/mutex.h>
 #include <linux/bitops.h>
+#include <linux/device.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
@@ -4384,6 +4385,7 @@
 	.tiocmset = rs_tiocmset
 };
 
+static struct class *rs_class;
 static int __init
 rs_init(void)
 {
@@ -4518,6 +4520,24 @@
 #endif
 #endif /* CONFIG_SVINTO_SIM */
 
+	rs_class = class_create(THIS_MODULE, "rs_tty");
+#ifdef CONFIG_ETRAX_SERIAL_PORT0 
+	class_device_create(rs_class, NULL,
+		MKDEV(TTY_MAJOR, 64), NULL, "ttyS0");
+#endif
+#ifdef CONFIG_ETRAX_SERIAL_PORT1 
+	class_device_create(rs_class, NULL,
+		MKDEV(TTY_MAJOR, 65), NULL, "ttyS1");
+#endif
+#ifdef CONFIG_ETRAX_SERIAL_PORT2 
+	class_device_create(rs_class, NULL,
+		MKDEV(TTY_MAJOR, 66), NULL, "ttyS2");
+#endif
+#ifdef CONFIG_ETRAX_SERIAL_PORT3 
+	class_device_create(rs_class, NULL,
+		MKDEV(TTY_MAJOR, 67), NULL, "ttyS3");
+#endif
+
 	return 0;
 }