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Input: parkbd - use parallel port device model 

Modify parkbd driver to use the new Parallel Port device model.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Sudip Mukherjee 2015-09-29 16:04:36 -07:00 committed by Dmitry Torokhov
parent 7b415285ae
commit 33ca8ab97c
1 changed files with 39 additions and 20 deletions
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59
drivers/input/serio/parkbd.c
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@ -141,19 +141,15 @@ static void parkbd_interrupt(void *dev_id)
parkbd_last = jiffies;
}
static int parkbd_getport(void)
static int parkbd_getport(struct parport *pp)
{
struct parport *pp;
struct pardev_cb parkbd_parport_cb;
pp = parport_find_number(parkbd_pp_no);
parkbd_parport_cb.irq_func = parkbd_interrupt;
parkbd_parport_cb.flags = PARPORT_FLAG_EXCL;
if (pp == NULL) {
printk(KERN_ERR "parkbd: no such parport\n");
return -ENODEV;
}
parkbd_dev = parport_register_device(pp, "parkbd", NULL, NULL, parkbd_interrupt, PARPORT_DEV_EXCL, NULL);
parport_put_port(pp);
parkbd_dev = parport_register_dev_model(pp, "parkbd",
&parkbd_parport_cb, 0);
if (!parkbd_dev)
return -ENODEV;
@ -183,19 +179,21 @@ static struct serio * __init parkbd_allocate_serio(void)
return serio;
}
static int __init parkbd_init(void)
static void parkbd_attach(struct parport *pp)
{
int err;
if (pp->number != parkbd_pp_no) {
pr_debug("Not using parport%d.\n", pp->number);
return;
}
err = parkbd_getport();
if (err)
return err;
if (parkbd_getport(pp))
return;
parkbd_port = parkbd_allocate_serio();
if (!parkbd_port) {
parport_release(parkbd_dev);
parport_unregister_device(parkbd_dev);
return -ENOMEM;
return;
}
parkbd_writelines(3);
@ -205,14 +203,35 @@ static int __init parkbd_init(void)
printk(KERN_INFO "serio: PARKBD %s adapter on %s\n",
parkbd_mode ? "AT" : "XT", parkbd_dev->port->name);
return 0;
return;
}
static void parkbd_detach(struct parport *port)
{
if (!parkbd_port || port->number != parkbd_pp_no)
return;
parport_release(parkbd_dev);
serio_unregister_port(parkbd_port);
parport_unregister_device(parkbd_dev);
parkbd_port = NULL;
}
static struct parport_driver parkbd_parport_driver = {
.name = "parkbd",
.match_port = parkbd_attach,
.detach = parkbd_detach,
.devmodel = true,
};
static int __init parkbd_init(void)
{
return parport_register_driver(&parkbd_parport_driver);
}
static void __exit parkbd_exit(void)
{
parport_release(parkbd_dev);
serio_unregister_port(parkbd_port);
parport_unregister_device(parkbd_dev);
parport_unregister_driver(&parkbd_parport_driver);
}
module_init(parkbd_init);