static int __init chp_init(void)
{
struct chp_id chpid;
int ret;
ret = crw_register_handler(CRW_RSC_CPATH, chp_process_crw);
if (ret)
return ret;
chp_wq = create_singlethread_workqueue("cio_chp");
if (!chp_wq) {
crw_unregister_handler(CRW_RSC_CPATH);
return -ENOMEM;
}
INIT_WORK(&cfg_work, cfg_func);
init_waitqueue_head(&cfg_wait_queue);
if (info_update())
return 0;
/* Register available channel-paths. */
chp_id_for_each(&chpid) {
if (chp_info_get_status(chpid) != CHP_STATUS_NOT_RECOGNIZED)
chp_new(chpid);
}
return 0;
}
static ssize_t chp_configure_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct channel_path *cp;
int status;
cp = to_channelpath(dev);
status = chp_info_get_status(cp->chpid);
if (status < 0)
return status;
return snprintf(buf, PAGE_SIZE, "%d\n", status);
}
static int __init chp_init(void)
{
struct chp_id chpid;
chp_wq = create_singlethread_workqueue("cio_chp");
if (!chp_wq)
return -ENOMEM;
INIT_WORK(&cfg_work, cfg_func, NULL);
init_waitqueue_head(&cfg_wait_queue);
if (info_update())
return 0;
/* Register available channel-paths. */
chp_id_for_each(&chpid) {
if (chp_info_get_status(chpid) != CHP_STATUS_NOT_RECOGNIZED)
chp_new(chpid);
}
return 0;
}
