diff options
author | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-12-28 06:25:30 (GMT) |
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committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-12-28 06:25:30 (GMT) |
commit | 916d83cfe5da1cda454d8b0ae233f06b58bd7f91 (patch) | |
tree | 30e5d31dddb98479f565e40444dca4a97af03fb3 /drivers/input | |
parent | 87fd6318a6c381ba1e10a4f56907d11ae4a987b9 (diff) | |
download | linux-fsl-qoriq-916d83cfe5da1cda454d8b0ae233f06b58bd7f91.tar.xz |
Input: ct82c710 - 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: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input')
-rw-r--r-- | drivers/input/serio/ct82c710.c | 89 |
1 files changed, 63 insertions, 26 deletions
diff --git a/drivers/input/serio/ct82c710.c b/drivers/input/serio/ct82c710.c index 4da6c86..096b6a0 100644 --- a/drivers/input/serio/ct82c710.c +++ b/drivers/input/serio/ct82c710.c @@ -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; - - 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 = kzalloc(sizeof(struct serio), GFP_KERNEL); + if (!ct82c710_port) + return -ENOMEM; + + 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); + + serio_register_port(ct82c710_port); + + return 0; +} + +static int __devexit ct82c710_remove(struct platform_device *dev) +{ + serio_unregister_port(ct82c710_port); - return serio; + 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); |