static void __exit
pdc_stable_exit(void)
{
pdcs_unregister_pathentries();
kset_unregister(paths_kset);
kobject_put(stable_kobj);
}
static void __exit
pdc_stable_exit(void)
{
pdcs_unregister_pathentries();
subsystem_unregister(&paths_subsys);
firmware_unregister(&stable_subsys);
}
/*
* For now we register the stable subsystem with the firmware subsystem
* and the paths subsystem with the stable subsystem
*/
static int __init
pdc_stable_init(void)
{
int rc = 0, error = 0;
u32 result;
/* find the size of the stable storage */
if (pdc_stable_get_size(&pdcs_size) != PDC_OK)
return -ENODEV;
/* make sure we have enough data */
if (pdcs_size < 96)
return -ENODATA;
printk(KERN_INFO PDCS_PREFIX " facility v%s\n", PDCS_VERSION);
/* get OSID */
if (pdc_stable_read(PDCS_ADDR_OSID, &result, sizeof(result)) != PDC_OK)
return -EIO;
/* the actual result is 16 bits away */
pdcs_osid = (u16)(result >> 16);
/* For now we'll register the directory at /sys/firmware/stable */
stable_kobj = kobject_create_and_add("stable", firmware_kobj);
if (!stable_kobj) {
rc = -ENOMEM;
goto fail_firmreg;
}
/* Don't forget the root entries */
error = sysfs_create_group(stable_kobj, &pdcs_attr_group);
/* register the paths kset as a child of the stable kset */
paths_kset = kset_create_and_add("paths", NULL, stable_kobj);
if (!paths_kset) {
rc = -ENOMEM;
goto fail_ksetreg;
}
/* now we create all "files" for the paths kset */
if ((rc = pdcs_register_pathentries()))
goto fail_pdcsreg;
return rc;
fail_pdcsreg:
pdcs_unregister_pathentries();
kset_unregister(paths_kset);
fail_ksetreg:
kobject_put(stable_kobj);
fail_firmreg:
printk(KERN_INFO PDCS_PREFIX " bailing out\n");
return rc;
}
static int __init
pdc_stable_init(void)
{
int rc = 0, error = 0;
u32 result;
if (pdc_stable_get_size(&pdcs_size) != PDC_OK)
return -ENODEV;
if (pdcs_size < 96)
return -ENODATA;
printk(KERN_INFO PDCS_PREFIX " facility v%s\n", PDCS_VERSION);
if (pdc_stable_read(PDCS_ADDR_OSID, &result, sizeof(result)) != PDC_OK)
return -EIO;
pdcs_osid = (u16)(result >> 16);
stable_kobj = kobject_create_and_add("stable", firmware_kobj);
if (!stable_kobj) {
rc = -ENOMEM;
goto fail_firmreg;
}
error = sysfs_create_group(stable_kobj, &pdcs_attr_group);
paths_kset = kset_create_and_add("paths", NULL, stable_kobj);
if (!paths_kset) {
rc = -ENOMEM;
goto fail_ksetreg;
}
if ((rc = pdcs_register_pathentries()))
goto fail_pdcsreg;
return rc;
fail_pdcsreg:
pdcs_unregister_pathentries();
kset_unregister(paths_kset);
fail_ksetreg:
kobject_put(stable_kobj);
fail_firmreg:
printk(KERN_INFO PDCS_PREFIX " bailing out\n");
return rc;
}
/*
* For now we register the stable subsystem with the firmware subsystem
* and the paths subsystem with the stable subsystem
*/
static int __init
pdc_stable_init(void)
{
struct subsys_attribute *attr;
int i, rc = 0, error = 0;
/* find the size of the stable storage */
if (pdc_stable_get_size(&pdcs_size) != PDC_OK)
return -ENODEV;
/* make sure we have enough data */
if (pdcs_size < 96)
return -ENODATA;
printk(KERN_INFO PDCS_PREFIX " facility v%s\n", PDCS_VERSION);
/* For now we'll register the stable subsys within this driver */
if ((rc = firmware_register(&stable_subsys)))
goto fail_firmreg;
/* Don't forget the root entries */
for (i = 0; (attr = pdcs_subsys_attrs[i]) && !error; i++)
if (attr->show)
error = subsys_create_file(&stable_subsys, attr);
/* register the paths subsys as a subsystem of stable subsys */
kset_set_kset_s(&paths_subsys, stable_subsys);
if ((rc= subsystem_register(&paths_subsys)))
goto fail_subsysreg;
/* now we create all "files" for the paths subsys */
if ((rc = pdcs_register_pathentries()))
goto fail_pdcsreg;
return rc;
fail_pdcsreg:
pdcs_unregister_pathentries();
subsystem_unregister(&paths_subsys);
fail_subsysreg:
firmware_unregister(&stable_subsys);
fail_firmreg:
printk(KERN_INFO PDCS_PREFIX " bailing out\n");
return rc;
}
