int __init opal_elog_init(void)
{
int rc = 0, irq;
/* ELOG not supported by firmware */
if (!opal_check_token(OPAL_ELOG_READ))
return -1;
elog_kset = kset_create_and_add("elog", NULL, opal_kobj);
if (!elog_kset) {
pr_warn("%s: failed to create elog kset\n", __func__);
return -1;
}
irq = opal_event_request(ilog2(OPAL_EVENT_ERROR_LOG_AVAIL));
if (!irq) {
pr_err("%s: Can't register OPAL event irq (%d)\n",
__func__, irq);
return irq;
}
rc = request_irq(irq, elog_event,
IRQ_TYPE_LEVEL_HIGH, "opal-elog", NULL);
if (rc) {
pr_err("%s: Can't request OPAL event irq (%d)\n",
__func__, rc);
return rc;
}
/* We are now ready to pull error logs from opal. */
if (opal_check_token(OPAL_ELOG_RESEND))
opal_resend_pending_logs();
return 0;
}
int __init opal_elog_init(void)
{
int rc = 0;
/* ELOG not supported by firmware */
if (!opal_check_token(OPAL_ELOG_READ))
return -1;
elog_kset = kset_create_and_add("elog", NULL, opal_kobj);
if (!elog_kset) {
pr_warn("%s: failed to create elog kset\n", __func__);
return -1;
}
rc = opal_notifier_register(&elog_nb);
if (rc) {
pr_err("%s: Can't register OPAL event notifier (%d)\n",
__func__, rc);
return rc;
}
/* We are now ready to pull error logs from opal. */
opal_resend_pending_logs();
return 0;
}
