return __rtas_suspend_cpu(data, 0);
}
-static void rtas_percpu_suspend_me(void *info)
-{
- __rtas_suspend_cpu((struct rtas_suspend_me_data *)info, 1);
-}
-
-int rtas_ibm_suspend_me_unsafe(u64 handle)
-{
- long state;
- long rc;
- unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
- struct rtas_suspend_me_data data;
- DECLARE_COMPLETION_ONSTACK(done);
-
- if (!rtas_service_present("ibm,suspend-me"))
- return -ENOSYS;
-
- /* Make sure the state is valid */
- rc = plpar_hcall(H_VASI_STATE, retbuf, handle);
-
- state = retbuf[0];
-
- if (rc) {
- printk(KERN_ERR "rtas_ibm_suspend_me: vasi_state returned %ld\n",rc);
- return rc;
- } else if (state == H_VASI_ENABLED) {
- return -EAGAIN;
- } else if (state != H_VASI_SUSPENDING) {
- printk(KERN_ERR "rtas_ibm_suspend_me: vasi_state returned state %ld\n",
- state);
- return -EIO;
- }
-
- atomic_set(&data.working, 0);
- atomic_set(&data.done, 0);
- atomic_set(&data.error, 0);
- data.token = rtas_token("ibm,suspend-me");
- data.complete = &done;
-
- lock_device_hotplug();
-
- cpu_hotplug_disable();
-
- /* Call function on all CPUs. One of us will make the
- * rtas call
- */
- on_each_cpu(rtas_percpu_suspend_me, &data, 0);
-
- wait_for_completion(&done);
-
- if (atomic_read(&data.error) != 0)
- printk(KERN_ERR "Error doing global join\n");
-
-
- cpu_hotplug_enable();
-
- unlock_device_hotplug();
-
- return atomic_read(&data.error);
-}
-
/**
* rtas_call_reentrant() - Used for reentrant rtas calls
* @token: Token for desired reentrant RTAS call
return ret;
}
-#else /* CONFIG_PPC_PSERIES */
-int rtas_ibm_suspend_me_unsafe(u64 handle)
-{
- return -ENOSYS;
-}
-#endif
+#endif /* CONFIG_PPC_PSERIES */
/**
* Find a specific pseries error log in an RTAS extended event log.