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hamradio: baycom: 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>
Acked-By: Thomas Sailer <t.sailer@alumni.ethz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sudip Mukherjee 2017-09-17 12:46:20 +01:00 committed by David S. Miller
parent 2df9d67302
commit ca444073a2
1 changed files with 46 additions and 4 deletions
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50
drivers/net/hamradio/baycom_epp.c
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@ -840,6 +840,7 @@ static int epp_open(struct net_device *dev)
unsigned char tmp[128];
unsigned char stat;
unsigned long tstart;
struct pardev_cb par_cb;
if (!pp) {
printk(KERN_ERR "%s: parport at 0x%lx unknown\n", bc_drvname, dev->base_addr);
@ -859,8 +860,21 @@ static int epp_open(struct net_device *dev)
return -EIO;
}
memset(&bc->modem, 0, sizeof(bc->modem));
bc->pdev = parport_register_device(pp, dev->name, NULL, epp_wakeup,
NULL, PARPORT_DEV_EXCL, dev);
memset(&par_cb, 0, sizeof(par_cb));
par_cb.wakeup = epp_wakeup;
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 "%s: cannot register parport at 0x%lx\n", bc_drvname, pp->base);
@ -1185,6 +1199,23 @@ MODULE_LICENSE("GPL");
/* --------------------------------------------------------------------- */
static int baycom_epp_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_epp_par_driver = {
.name = "bce",
.probe = baycom_epp_par_probe,
.devmodel = true,
};
static void __init baycom_epp_dev_setup(struct net_device *dev)
{
struct baycom_state *bc = netdev_priv(dev);
@ -1204,10 +1235,15 @@ static void __init baycom_epp_dev_setup(struct net_device *dev)
static int __init init_baycomepp(void)
{
int i, found = 0;
int i, found = 0, ret;
char set_hw = 1;
printk(bc_drvinfo);
ret = parport_register_driver(&baycom_epp_par_driver);
if (ret)
return ret;
/*
* register net devices
*/
@ -1241,7 +1277,12 @@ static int __init init_baycomepp(void)
found++;
}
return found ? 0 : -ENXIO;
if (found == 0) {
parport_unregister_driver(&baycom_epp_par_driver);
return -ENXIO;
}
return 0;
}
static void __exit cleanup_baycomepp(void)
@ -1260,6 +1301,7 @@ static void __exit cleanup_baycomepp(void)
printk(paranoia_str, "cleanup_module");
}
}
parport_unregister_driver(&baycom_epp_par_driver);
}
module_init(init_baycomepp);