#include <linux/module.h>
#include <linux/init.h>
#include <linux/fs.h>
-#include <linux/devfs_fs_kernel.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/mtio.h>
int err;
if (disable){
- err = -1;
+ err = -EINVAL;
goto out;
}
pg_init_units();
if (pg_detect()) {
- err = -1;
+ err = -ENODEV;
goto out;
}
err = PTR_ERR(pg_class);
goto out_chrdev;
}
- devfs_mk_dir("pg");
for (unit = 0; unit < PG_UNITS; unit++) {
struct pg *dev = &devices[unit];
- if (dev->present) {
+ if (dev->present)
class_device_create(pg_class, NULL, MKDEV(major, unit),
NULL, "pg%u", unit);
- err = devfs_mk_cdev(MKDEV(major, unit),
- S_IFCHR | S_IRUSR | S_IWUSR, "pg/%u",
- unit);
- if (err)
- goto out_class;
- }
}
err = 0;
goto out;
-out_class:
- class_device_destroy(pg_class, MKDEV(major, unit));
- class_destroy(pg_class);
out_chrdev:
unregister_chrdev(major, "pg");
out:
for (unit = 0; unit < PG_UNITS; unit++) {
struct pg *dev = &devices[unit];
- if (dev->present) {
+ if (dev->present)
class_device_destroy(pg_class, MKDEV(major, unit));
- devfs_remove("pg/%u", unit);
- }
}
class_destroy(pg_class);
- devfs_remove("pg");
unregister_chrdev(major, name);
for (unit = 0; unit < PG_UNITS; unit++) {