From: Karel Zak <kzak@redhat.com>
Date: Tue, 25 Oct 2016 14:52:43 +0000 (+0200)
Subject: rtcwake: add note about RTC limits
X-Git-Tag: v2.29~35
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=82e8ddacb4ac9221835d5d1c2930cb5a5a0a8440;p=thirdparty%2Futil-linux.git

rtcwake: add note about RTC limits

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/sys-utils/rtcwake.8.in b/sys-utils/rtcwake.8.in
index d8acd0aa1f..c72bf3cae8 100644
--- a/sys-utils/rtcwake.8.in
+++ b/sys-utils/rtcwake.8.in
@@ -42,6 +42,9 @@ implement those without analogues of BIOS, APM, or ACPI.
 On some systems, this can also be used like \fBnvram-wakeup\fP, waking from states
 like ACPI S4 (suspend to disk).  Not all systems have persistent media that are
 appropriate for such suspend modes.
+.PP
+Note that alarm functionality depends on hardware; not every RTC is able to setup 
+an alarm up to 24 hours in the future.
 .SH OPTIONS
 .TP
 .BR \-A , " \-\-adjfile " \fIfile