static int __init zdtc_init(void)
{
int err;
err = zio_register_driver(&zdtc_zdrv);
if (err)
return err;
zdtc_init_dev = zio_allocate_device();
if (IS_ERR(zdtc_init_dev)) {
err = PTR_ERR(zdtc_init_dev);
goto out_alloc;
}
zdtc_init_dev->owner = THIS_MODULE;
err = zio_register_device(zdtc_init_dev, "zdtc", 0);
if (err)
goto out_register;
hrtimer_init(&zdtc.timer, CLOCK_REALTIME, HRTIMER_MODE_ABS);
zdtc.timer.function = zdtc_fn;
return 0;
out_register:
zio_free_device(zdtc_init_dev);
out_alloc:
zio_unregister_driver(&zdtc_zdrv);
return err;
}
static int __init ob_init(void)
{
int err;
/*
* If the user choose a different buffer/trigger, then fix the template
* to apply the user choice
*/
if (ob_trigger)
ob_tmpl.preferred_trigger = ob_trigger;
if (ob_buffer)
ob_tmpl.preferred_buffer = ob_buffer;
/* Register the OBS-BOX ZIO driver */
err = zio_register_driver(&ob_driver);
if (err)
return err;
/* Register the OBS-BOX FMC driver */
err = fmc_driver_register(&ob_fmc_drv);
if (err) {
zio_unregister_driver(&ob_driver);
return err;
}
return 0;
}
static void __exit zdtc_exit(void)
{
zio_unregister_device(zdtc_init_dev);
zio_free_device(zdtc_init_dev);
zio_unregister_driver(&zdtc_zdrv);
}
/*
* fa_zio_unregister
*
* It is a simple wrapper invoked by module_exit to unregister this zio driver
*/
void fa_zio_unregister(void)
{
zio_unregister_driver(&fa_zdrv);
}
static void __exit ob_exit(void)
{
fmc_driver_unregister(&ob_fmc_drv);
zio_unregister_driver(&ob_driver);
}