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hamradio: baycom_par: use new parport device model

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Modify baycom driver to use the new parallel port device model.

Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sudip Mukherjee 2017-10-15 22:00:52 +01:00 committed by David S. Miller
parent bc28df6e85
commit 92c43fcafe
1 changed files with 44 additions and 4 deletions
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48
drivers/net/hamradio/baycom_par.c
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@ -311,7 +311,9 @@ static void par96_wakeup(void *handle)
static int par96_open(struct net_device *dev)
{
struct baycom_state *bc = netdev_priv(dev);
struct pardev_cb par_cb;
struct parport *pp;
int i;
if (!dev || !bc)
return -ENXIO;
@ -332,8 +334,21 @@ static int par96_open(struct net_device *dev)
}
memset(&bc->modem, 0, sizeof(bc->modem));
bc->hdrv.par.bitrate = 9600;
bc->pdev = parport_register_device(pp, dev->name, NULL, par96_wakeup,
par96_interrupt, PARPORT_DEV_EXCL, dev);
memset(&par_cb, 0, sizeof(par_cb));
par_cb.wakeup = par96_wakeup;
par_cb.irq_func = par96_interrupt;
par_cb.private = (void *)dev;
par_cb.flags = PARPORT_DEV_EXCL;
for (i = 0; i < NR_PORTS; i++)
if (baycom_device[i] == dev)
break;
if (i == NR_PORTS) {
pr_err("%s: no device found\n", bc_drvname);
parport_put_port(pp);
return -ENODEV;
}
bc->pdev = parport_register_dev_model(pp, dev->name, &par_cb, i);
parport_put_port(pp);
if (!bc->pdev) {
printk(KERN_ERR "baycom_par: cannot register parport at 0x%lx\n", dev->base_addr);
@ -490,12 +505,34 @@ MODULE_LICENSE("GPL");
/* --------------------------------------------------------------------- */
static int baycom_par_probe(struct pardevice *par_dev)
{
struct device_driver *drv = par_dev->dev.driver;
int len = strlen(drv->name);
if (strncmp(par_dev->name, drv->name, len))
return -ENODEV;
return 0;
}
static struct parport_driver baycom_par_driver = {
.name = "bcp",
.probe = baycom_par_probe,
.devmodel = true,
};
static int __init init_baycompar(void)
{
int i, found = 0;
int i, found = 0, ret;
char set_hw = 1;
printk(bc_drvinfo);
ret = parport_register_driver(&baycom_par_driver);
if (ret)
return ret;
/*
* register net devices
*/
@ -524,8 +561,10 @@ static int __init init_baycompar(void)
baycom_device[i] = dev;
}
if (!found)
if (!found) {
parport_unregister_driver(&baycom_par_driver);
return -ENXIO;
}
return 0;
}
@ -539,6 +578,7 @@ static void __exit cleanup_baycompar(void)
if (dev)
hdlcdrv_unregister(dev);
}
parport_unregister_driver(&baycom_par_driver);
}
module_init(init_baycompar);