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Input: ct82c710 - 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 01:25:30 -05:00
parent 87fd6318a6
commit 916d83cfe5
1 changed files with 62 additions and 25 deletions
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87
drivers/input/serio/ct82c710.c
View file

@ -154,7 +154,7 @@ static int ct82c710_write(struct serio *port, unsigned char c)
* See if we can find a 82C710 device. Read mouse address.
*/
static int __init ct82c710_probe(void)
static int __init ct82c710_detect(void)
{
outb_p(0x55, 0x2fa); /* Any value except 9, ff or 36 */
outb_p(0xaa, 0x3fa); /* Inverse of 55 */
@ -163,7 +163,7 @@ static int __init ct82c710_probe(void)
outb_p(0x1b, 0x2fa); /* Inverse of e4 */
outb_p(0x0f, 0x390); /* Write index */
if (inb_p(0x391) != 0xe4) /* Config address found? */
return -1; /* No: no 82C710 here */
return -ENODEV; /* No: no 82C710 here */
outb_p(0x0d, 0x390); /* Write index */
ct82c710_iores.start = inb_p(0x391) << 2; /* Get mouse I/O address */
@ -175,51 +175,88 @@ static int __init ct82c710_probe(void)
return 0;
}
static struct serio * __init ct82c710_allocate_port(void)
static int __devinit ct82c710_probe(struct platform_device *dev)
{
struct serio *serio;
ct82c710_port = kzalloc(sizeof(struct serio), GFP_KERNEL);
if (!ct82c710_port)
return -ENOMEM;
serio = kmalloc(sizeof(struct serio), GFP_KERNEL);
if (serio) {
memset(serio, 0, sizeof(struct serio));
serio->id.type = SERIO_8042;
serio->open = ct82c710_open;
serio->close = ct82c710_close;
serio->write = ct82c710_write;
serio->dev.parent = &ct82c710_device->dev;
strlcpy(serio->name, "C&T 82c710 mouse port", sizeof(serio->name));
snprintf(serio->phys, sizeof(serio->phys), "isa%04lx/serio0", CT82C710_DATA);
}
ct82c710_port->id.type = SERIO_8042;
ct82c710_port->dev.parent = &dev->dev;
ct82c710_port->open = ct82c710_open;
ct82c710_port->close = ct82c710_close;
ct82c710_port->write = ct82c710_write;
strlcpy(ct82c710_port->name, "C&T 82c710 mouse port",
sizeof(ct82c710_port->name));
snprintf(ct82c710_port->phys, sizeof(ct82c710_port->phys),
"isa%04lx/serio0", CT82C710_DATA);
return serio;
serio_register_port(ct82c710_port);
return 0;
}
static int __devexit ct82c710_remove(struct platform_device *dev)
{
serio_unregister_port(ct82c710_port);
return 0;
}
static struct platform_driver ct82c710_driver = {
.driver = {
.name = "ct82c710",
.owner = THIS_MODULE,
},
.probe = ct82c710_probe,
.remove = __devexit_p(ct82c710_remove),
};
static int __init ct82c710_init(void)
{
if (ct82c710_probe())
return -ENODEV;
int error;
ct82c710_device = platform_device_register_simple("ct82c710", -1, &ct82c710_iores, 1);
if (IS_ERR(ct82c710_device))
return PTR_ERR(ct82c710_device);
error = ct82c710_detect();
if (error)
return error;
if (!(ct82c710_port = ct82c710_allocate_port())) {
platform_device_unregister(ct82c710_device);
return -ENOMEM;
error = platform_driver_register(&ct82c710_driver);
if (error)
return error;
ct82c710_device = platform_device_alloc("ct82c710", -1);
if (!ct82c710_device) {
error = -ENOMEM;
goto err_unregister_driver;
}
error = platform_device_add_resources(ct82c710_device, &ct82c710_iores, 1);
if (error)
goto err_free_device;
error = platform_device_add(ct82c710_device);
if (error)
goto err_free_device;
serio_register_port(ct82c710_port);
printk(KERN_INFO "serio: C&T 82c710 mouse port at %#lx irq %d\n",
CT82C710_DATA, CT82C710_IRQ);
return 0;
err_free_device:
platform_device_put(ct82c710_device);
err_unregister_driver:
platform_driver_unregister(&ct82c710_driver);
return error;
}
static void __exit ct82c710_exit(void)
{
serio_unregister_port(ct82c710_port);
platform_device_unregister(ct82c710_device);
platform_driver_unregister(&ct82c710_driver);
}
module_init(ct82c710_init);