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Commit 87fd6318 authored by Dmitry Torokhov's avatar Dmitry Torokhov
Browse files

Input: i8042 - convert to the new platform device interface 



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: default avatarDmitry Torokhov <dtor@mail.ru>
parent 8ea3694f

drivers/input/serio/i8042.c

+67 −49
Original line number Diff line number Diff line
@@ -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);