void register_disk(struct gendisk *disk)
{
struct device *ddev = disk_to_dev(disk);
struct block_device *bdev;
struct disk_part_iter piter;
struct hd_struct *part;
int err;
#ifdef MY_ABC_HERE
int error;
#endif
ddev->parent = disk->driverfs_dev;
dev_set_name(ddev, disk->disk_name);
/* delay uevents, until we scanned partition table */
dev_set_uevent_suppress(ddev, 1);
if (device_add(ddev))
return;
#ifdef MY_ABC_HERE
if (ddev->parent) {
char *class_name;
class_name = make_class_name(ddev->class->name,
&ddev->kobj);
if (class_name) {
error = sysfs_create_link(&ddev->parent->kobj,
&ddev->kobj, class_name);
}
kfree(class_name);
}
int css_register_subchannel(struct subchannel *sch)
{
int ret;
/* Initialize the subchannel structure */
sch->dev.parent = &channel_subsystems[0]->device;
sch->dev.bus = &css_bus_type;
sch->dev.groups = default_subch_attr_groups;
/*
* We don't want to generate uevents for I/O subchannels that don't
* have a working ccw device behind them since they will be
* unregistered before they can be used anyway, so we delay the add
* uevent until after device recognition was successful.
* Note that we suppress the uevent for all subchannel types;
* the subchannel driver can decide itself when it wants to inform
* userspace of its existence.
*/
dev_set_uevent_suppress(&sch->dev, 1);
css_update_ssd_info(sch);
/* make it known to the system */
ret = css_sch_device_register(sch);
if (ret) {
CIO_MSG_EVENT(0, "Could not register sch 0.%x.%04x: %d\n",
sch->schid.ssid, sch->schid.sch_no, ret);
return ret;
}
if (!sch->driver) {
/*
* No driver matched. Generate the uevent now so that
* a fitting driver module may be loaded based on the
* modalias.
*/
dev_set_uevent_suppress(&sch->dev, 0);
kobject_uevent(&sch->dev.kobj, KOBJ_ADD);
}
return ret;
}
