greybus: uart-gb: let the core dynamically allocate the major number

Don't register the tty_gb_driver, the gb core is not ready for the for
ES1 devices.

diff --git a/drivers/staging/greybus/uart-gb.c b/drivers/staging/greybus/uart-gb.c
index 5c01b0a..39a6e01 100644 (file)
--- a/drivers/staging/greybus/uart-gb.c
+++ b/drivers/staging/greybus/uart-gb.c
@@ -28,7 +28,6 @@
 #include <linux/kdev_t.h>
 #include "greybus.h"
 
-#define GB_TTY_MAJOR   230     /* FIXME use a real number!!! */
 #define GB_NUM_MINORS  255     /* 255 is enough for anyone... */
 #define GB_NAME                "ttyGB"
 
@@ -462,27 +461,17 @@ void gb_tty_disconnect(struct greybus_device *gdev)
        kfree(gb_tty);
 }
 
+#if 0
 static struct greybus_driver tty_gb_driver = {
        .probe =        gb_tty_probe,
        .disconnect =   gb_tty_disconnect,
        .id_table =     id_table,
 };
-
+#endif
 
 int __init gb_tty_init(void)
 {
        int retval = 0;
-       dev_t dev;
-
-#if 0
-
-       retval = alloc_chrdev_region(&dev, 0, GB_NUM_MINORS, GB_NAME);
-       if (retval) {
-               pr_err("Can not allocate minors\n");
-               return retval;
-       }
-#endif
-
 
        gb_tty_driver = tty_alloc_driver(GB_NUM_MINORS, 0);
        if (IS_ERR(gb_tty_driver)) {
@@ -518,12 +507,11 @@ int __init gb_tty_init(void)
 
        return 0;
 
- fail_unregister_gb_tty:
+/* fail_unregister_gb_tty: */
        tty_unregister_driver(gb_tty_driver);
- fail_put_gb_tty:
+fail_put_gb_tty:
        put_tty_driver(gb_tty_driver);
- fail_unregister_dev:
-//     unregister_chrdev_region(dev, GB_NUM_MINORS);
+fail_unregister_dev:
        return retval;
 }
 
@@ -531,7 +519,10 @@ void __exit gb_tty_exit(void)
 {
        int major = MAJOR(gb_tty_driver->major);
        int minor = gb_tty_driver->minor_start;
-//     greybus_deregister(&tty_gb_driver);
+
+#if 0
+       greybus_deregister(&tty_gb_driver);
+#endif
        tty_unregister_driver(gb_tty_driver);
        put_tty_driver(gb_tty_driver);
        unregister_chrdev_region(MKDEV(major, minor), GB_NUM_MINORS);