diff options
Diffstat (limited to 'drivers/input/serio/i8042.c')
| -rw-r--r-- | drivers/input/serio/i8042.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 2a76d08c4d3e..19ef35db342e 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -27,6 +27,10 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>"); MODULE_DESCRIPTION("i8042 keyboard and mouse controller driver"); MODULE_LICENSE("GPL"); +static unsigned int i8042_nokbd; +module_param_named(nokbd, i8042_nokbd, bool, 0); +MODULE_PARM_DESC(nokbd, "Do not probe or use KBD port."); + static unsigned int i8042_noaux; module_param_named(noaux, i8042_noaux, bool, 0); MODULE_PARM_DESC(noaux, "Do not probe or use AUX (mouse) port."); @@ -1058,7 +1062,7 @@ static int __init i8042_create_mux_port(int index) static int __init i8042_init(void) { - int i; + int i, have_ports = 0; int err; dbg_init(); @@ -1100,11 +1104,20 @@ static int __init i8042_init(void) if (err) goto err_unregister_ports; } + have_ports = 1; } - err = i8042_create_kbd_port(); - if (err) - goto err_unregister_ports; + if (!i8042_nokbd) { + err = i8042_create_kbd_port(); + if (err) + goto err_unregister_ports; + have_ports = 1; + } + + if (!have_ports) { + err = -ENODEV; + goto err_unregister_device; + } mod_timer(&i8042_timer, jiffies + I8042_POLL_PERIOD); @@ -1114,6 +1127,7 @@ static int __init i8042_init(void) for (i = 0; i < I8042_NUM_PORTS; i++) if (i8042_ports[i].serio) serio_unregister_port(i8042_ports[i].serio); + err_unregister_device: platform_device_unregister(i8042_platform_device); err_unregister_driver: driver_unregister(&i8042_driver); |