From ec5fa9960ffb8e7299f4eb4370bff6f1c3ac9e44 Mon Sep 17 00:00:00 2001
From: Jeremy Kerr <jk@ozlabs.org>
Date: Thu, 28 Sep 2017 08:08:48 +0800
Subject: [PATCH] opal-prd/hostboot-interface: Add API comment regarding
 nanosleep ranges

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
---
 external/opal-prd/hostboot-interface.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/external/opal-prd/hostboot-interface.h b/external/opal-prd/hostboot-interface.h
index 3a7ca1984249..603b767cf932 100644
--- a/external/opal-prd/hostboot-interface.h
+++ b/external/opal-prd/hostboot-interface.h
@@ -165,6 +165,10 @@ struct host_interfaces {
 
 	/**
 	 * @brief Delay/sleep for at least the time given
+	 *
+	 * The sleep time must be normalised; i_nano_seconds should be between
+	 * 0 and 999999999.
+	 *
 	 * @param[in] seconds
 	 * @param[in] nano seconds
 	 * @platform FSP,OpenPOWER