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| author | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-09-04 01:42:00 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-09-04 01:42:00 -0500 |
| commit | 945ef0d428bc33c639e49d27fb8cc765adec3fdf (patch) | |
| tree | 0bcd9222a42b61081015419276d6aaa731e3ee3b | |
| parent | c3d31e7f9a94800ba895a081e143e79954f6c62f (diff) | |
| download | op-kernel-dev-945ef0d428bc33c639e49d27fb8cc765adec3fdf.zip op-kernel-dev-945ef0d428bc33c639e49d27fb8cc765adec3fdf.tar.gz | |
Input: i8042 - add i8042.nokbd module option to allow supressing
creation of keyboard port.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
| -rw-r--r-- | Documentation/kernel-parameters.txt | 1 | ||||
| -rw-r--r-- | drivers/input/serio/i8042-x86ia64io.h | 4 | ||||
| -rw-r--r-- | drivers/input/serio/i8042.c | 22 |
3 files changed, 22 insertions, 5 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 3d5cd7a..111e980 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -549,6 +549,7 @@ running once the system is up. keyboard and can not control its state (Don't attempt to blink the leds) i8042.noaux [HW] Don't check for auxiliary (== mouse) port + i8042.nokbd [HW] Don't check/create keyboard port i8042.nomux [HW] Don't check presence of an active multiplexing controller i8042.nopnp [HW] Don't use ACPIPnP / PnPBIOS to discover KBD/AUX diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 84a73bc..d5ea3cf 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -297,6 +297,8 @@ static int __init i8042_pnp_init(void) aux_irq_str); #if defined(__ia64__) + if (result_kbd <= 0) + i8042_nokbd = 1; if (result_aux <= 0) i8042_noaux = 1; #endif @@ -315,7 +317,7 @@ static int __init i8042_pnp_init(void) i8042_pnp_command_reg = i8042_command_reg; } - if (!i8042_pnp_kbd_irq) { + if (!i8042_nokbd && !i8042_pnp_kbd_irq) { printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %d\n", i8042_kbd_irq); i8042_pnp_kbd_irq = i8042_kbd_irq; } diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 2a76d08..19ef35d 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); |
