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Input: i8042 - convert to the new platform device interface

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Do not use platform_device_register_simple() as it is going away,
implement ->probe() and ->remove() functions so manual binding and
unbinding will work with this driver.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2005-12-28 01:25:11 -05:00
parent 8ea3694fcb
commit 87fd6318a6
1 changed files with 67 additions and 49 deletions
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116
drivers/input/serio/i8042.c
View file

@ -572,7 +572,7 @@ static int i8042_enable_mux_ports(void)
* LCS/Telegraphics.
*/
static int __init i8042_check_mux(void)
static int __devinit i8042_check_mux(void)
{
unsigned char mux_version;
@ -600,7 +600,7 @@ static int __init i8042_check_mux(void)
* the presence of an AUX interface.
*/
static int __init i8042_check_aux(void)
static int __devinit i8042_check_aux(void)
{
unsigned char param;
static int i8042_check_aux_cookie;
@ -678,7 +678,7 @@ static int __init i8042_check_aux(void)
* registers it, and reports to the user.
*/
static int __init i8042_port_register(struct i8042_port *port)
static int __devinit i8042_port_register(struct i8042_port *port)
{
i8042_ctr &= ~port->disable;
@ -956,7 +956,6 @@ static int i8042_resume(struct platform_device *dev)
panic_blink = i8042_panic_blink;
return 0;
}
/*
@ -969,16 +968,7 @@ static void i8042_shutdown(struct platform_device *dev)
i8042_controller_cleanup();
}
static struct platform_driver i8042_driver = {
.suspend = i8042_suspend,
.resume = i8042_resume,
.shutdown = i8042_shutdown,
.driver = {
.name = "i8042",
},
};
static int __init i8042_create_kbd_port(void)
static int __devinit i8042_create_kbd_port(void)
{
struct serio *serio;
struct i8042_port *port = &i8042_ports[I8042_KBD_PORT_NO];
@ -1003,7 +993,7 @@ static int __init i8042_create_kbd_port(void)
return i8042_port_register(port);
}
static int __init i8042_create_aux_port(void)
static int __devinit i8042_create_aux_port(void)
{
struct serio *serio;
struct i8042_port *port = &i8042_ports[I8042_AUX_PORT_NO];
@ -1028,7 +1018,7 @@ static int __init i8042_create_aux_port(void)
return i8042_port_register(port);
}
static int __init i8042_create_mux_port(int index)
static int __devinit i8042_create_mux_port(int index)
{
struct serio *serio;
struct i8042_port *port = &i8042_ports[I8042_MUX_PORT_NO + index];
@ -1057,37 +1047,16 @@ static int __init i8042_create_mux_port(int index)
return i8042_port_register(port);
}
static int __init i8042_init(void)
static int __devinit i8042_probe(struct platform_device *dev)
{
int i, have_ports = 0;
int err;
dbg_init();
init_timer(&i8042_timer);
i8042_timer.function = i8042_timer_func;
err = i8042_platform_init();
if (err)
return err;
i8042_ports[I8042_AUX_PORT_NO].irq = I8042_AUX_IRQ;
i8042_ports[I8042_KBD_PORT_NO].irq = I8042_KBD_IRQ;
if (i8042_controller_init()) {
err = -ENODEV;
goto err_platform_exit;
}
err = platform_driver_register(&i8042_driver);
if (err)
goto err_controller_cleanup;
i8042_platform_device = platform_device_register_simple("i8042", -1, NULL, 0);
if (IS_ERR(i8042_platform_device)) {
err = PTR_ERR(i8042_platform_device);
goto err_unregister_driver;
}
if (i8042_controller_init())
return -ENODEV;
if (!i8042_noaux && !i8042_check_aux()) {
if (!i8042_nomux && !i8042_check_mux()) {
@ -1113,30 +1082,23 @@ static int __init i8042_init(void)
if (!have_ports) {
err = -ENODEV;
goto err_unregister_device;
goto err_controller_cleanup;
}
mod_timer(&i8042_timer, jiffies + I8042_POLL_PERIOD);
return 0;
err_unregister_ports:
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:
platform_driver_unregister(&i8042_driver);
err_controller_cleanup:
i8042_controller_cleanup();
err_platform_exit:
i8042_platform_exit();
return err;
}
static void __exit i8042_exit(void)
static int __devexit i8042_remove(struct platform_device *dev)
{
int i;
@ -1148,6 +1110,62 @@ static void __exit i8042_exit(void)
del_timer_sync(&i8042_timer);
return 0;
}
static struct platform_driver i8042_driver = {
.driver = {
.name = "i8042",
.owner = THIS_MODULE,
},
.probe = i8042_probe,
.remove = __devexit_p(i8042_remove),
.suspend = i8042_suspend,
.resume = i8042_resume,
.shutdown = i8042_shutdown,
};
static int __init i8042_init(void)
{
int err;
dbg_init();
err = i8042_platform_init();
if (err)
return err;
i8042_ports[I8042_AUX_PORT_NO].irq = I8042_AUX_IRQ;
i8042_ports[I8042_KBD_PORT_NO].irq = I8042_KBD_IRQ;
err = platform_driver_register(&i8042_driver);
if (err)
goto err_platform_exit;
i8042_platform_device = platform_device_alloc("i8042", -1);
if (!i8042_platform_device) {
err = -ENOMEM;
goto err_unregister_driver;
}
err = platform_device_add(i8042_platform_device);
if (err)
goto err_free_device;
return 0;
err_free_device:
platform_device_put(i8042_platform_device);
err_unregister_driver:
platform_driver_unregister(&i8042_driver);
err_platform_exit:
i8042_platform_exit();
return err;
}
static void __exit i8042_exit(void)
{
platform_device_unregister(i8042_platform_device);
platform_driver_unregister(&i8042_driver);