From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: linux-watchdog@vger.kernel.org
Cc: linux-renesas-soc@vger.kernel.org,
Wim Van Sebroeck <wim@linux-watchdog.org>,
Wolfram Sang <wsa+renesas@sang-engineering.com>
Subject: [PATCH] watchdog: add documentation for PM usage
Date: Mon, 17 Dec 2018 20:33:14 +0100 [thread overview]
Message-ID: <20181217193314.3487-1-wsa+renesas@sang-engineering.com> (raw)
Add the first rule we recently agreed on.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
Documentation/watchdog/watchdog-pm.txt | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
create mode 100644 Documentation/watchdog/watchdog-pm.txt
diff --git a/Documentation/watchdog/watchdog-pm.txt b/Documentation/watchdog/watchdog-pm.txt
new file mode 100644
index 000000000000..7a4dd46e0d24
--- /dev/null
+++ b/Documentation/watchdog/watchdog-pm.txt
@@ -0,0 +1,19 @@
+The Linux WatchDog Timer Power Management Guide
+===============================================
+Last reviewed: 17-Dec-2018
+
+Wolfram Sang <wsa+renesas@sang-engineering.com>
+
+Introduction
+------------
+This document states rules about watchdog devices and their power management
+handling to ensure a uniform behaviour for Linux systems.
+
+
+Ping on resume
+--------------
+On resume, a watchdog timer shall be reset to its selected value to give
+userspace enough time to resume. [1] [2]
+
+[1] https://patchwork.kernel.org/patch/10252209/
+[2] https://patchwork.kernel.org/patch/10711625/
--
2.19.1
next reply other threads:[~2018-12-17 19:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-17 19:33 Wolfram Sang [this message]
2018-12-17 20:08 ` [PATCH] watchdog: add documentation for PM usage Guenter Roeck
2018-12-18 7:48 ` Geert Uytterhoeven
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