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i2c: parport: Switch to use module_parport_driver()

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Switch to use module_parport_driver() to reduce boilerplate code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Andy Shevchenko 2021-07-12 17:11:19 +03:00 committed by Wolfram Sang
parent 60aea76d85
commit 9c5b1daa3b
1 changed files with 11 additions and 25 deletions
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36
drivers/i2c/busses/i2c-parport.c
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@ -267,6 +267,16 @@ static void i2c_parport_attach(struct parport *port)
int i;
struct pardev_cb i2c_parport_cb;
if (type < 0) {
pr_warn("adapter type unspecified\n");
return;
}
if (type >= ARRAY_SIZE(adapter_parm)) {
pr_warn("invalid type (%d)\n", type);
return;
}
for (i = 0; i < MAX_DEVICE; i++) {
if (parport[i] == -1)
continue;
@ -392,32 +402,8 @@ static struct parport_driver i2c_parport_driver = {
.detach = i2c_parport_detach,
.devmodel = true,
};
/* ----- Module loading, unloading and information ------------------------ */
static int __init i2c_parport_init(void)
{
if (type < 0) {
pr_warn("adapter type unspecified\n");
return -ENODEV;
}
if (type >= ARRAY_SIZE(adapter_parm)) {
pr_warn("invalid type (%d)\n", type);
return -ENODEV;
}
return parport_register_driver(&i2c_parport_driver);
}
static void __exit i2c_parport_exit(void)
{
parport_unregister_driver(&i2c_parport_driver);
}
module_parport_driver(i2c_parport_driver);
MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>");
MODULE_DESCRIPTION("I2C bus over parallel port");
MODULE_LICENSE("GPL");
module_init(i2c_parport_init);
module_exit(i2c_parport_exit);