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path: root/drivers/tty/ehv_bytechan.c
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Diffstat (limited to 'drivers/tty/ehv_bytechan.c')
-rw-r--r--drivers/tty/ehv_bytechan.c34
1 files changed, 19 insertions, 15 deletions
diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c
index 445e5ff9b36d..19d32cb6af84 100644
--- a/drivers/tty/ehv_bytechan.c
+++ b/drivers/tty/ehv_bytechan.c
@@ -751,6 +751,7 @@ static struct platform_driver ehv_bc_tty_driver = {
*/
static int __init ehv_bc_init(void)
{
+ struct tty_driver *driver;
struct device_node *np;
unsigned int count = 0; /* Number of elements in bcs[] */
int ret;
@@ -773,26 +774,28 @@ static int __init ehv_bc_init(void)
if (!bcs)
return -ENOMEM;
- ehv_bc_driver = alloc_tty_driver(count);
- if (!ehv_bc_driver) {
- ret = -ENOMEM;
+ driver = tty_alloc_driver(count, TTY_DRIVER_REAL_RAW |
+ TTY_DRIVER_DYNAMIC_DEV);
+ if (IS_ERR(driver)) {
+ ret = PTR_ERR(driver);
goto err_free_bcs;
}
- ehv_bc_driver->driver_name = "ehv-bc";
- ehv_bc_driver->name = ehv_bc_console.name;
- ehv_bc_driver->type = TTY_DRIVER_TYPE_CONSOLE;
- ehv_bc_driver->subtype = SYSTEM_TYPE_CONSOLE;
- ehv_bc_driver->init_termios = tty_std_termios;
- ehv_bc_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
- tty_set_operations(ehv_bc_driver, &ehv_bc_ops);
+ driver->driver_name = "ehv-bc";
+ driver->name = ehv_bc_console.name;
+ driver->type = TTY_DRIVER_TYPE_CONSOLE;
+ driver->subtype = SYSTEM_TYPE_CONSOLE;
+ driver->init_termios = tty_std_termios;
+ tty_set_operations(driver, &ehv_bc_ops);
- ret = tty_register_driver(ehv_bc_driver);
+ ret = tty_register_driver(driver);
if (ret) {
pr_err("ehv-bc: could not register tty driver (ret=%i)\n", ret);
- goto err_put_tty_driver;
+ goto err_tty_driver_kref_put;
}
+ ehv_bc_driver = driver;
+
ret = platform_driver_register(&ehv_bc_tty_driver);
if (ret) {
pr_err("ehv-bc: could not register platform driver (ret=%i)\n",
@@ -803,9 +806,10 @@ static int __init ehv_bc_init(void)
return 0;
err_deregister_tty_driver:
- tty_unregister_driver(ehv_bc_driver);
-err_put_tty_driver:
- put_tty_driver(ehv_bc_driver);
+ ehv_bc_driver = NULL;
+ tty_unregister_driver(driver);
+err_tty_driver_kref_put:
+ tty_driver_kref_put(driver);
err_free_bcs:
kfree(bcs);