linux-kernel - [PATCH v1 1/8] docs: watchdog: codify ident.options as superset of possible status flags

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Date:   Thu, 11 Jun 2020 21:17:42 +0200
From:   Ahmad Fatoum <a.fatoum@...gutronix.de>
To:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>
Cc:     linux-watchdog@...r.kernel.org, kernel@...gutronix.de,
        Ahmad Fatoum <a.fatoum@...gutronix.de>,
        Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 1/8] docs: watchdog: codify ident.options as superset of possible status flags

The FIXME comment has been in-tree since the very first git commit.
The described behavior has been since relied on by some userspace, e.g.
the util-linux wdctl command and has been ignored by some kernelspace,
like the f71808e_wdt driver.

The functionality is useful to have to be able to differentiate between a
driver that doesn't support WDIOF_CARDRESET and one that does, but hasn't
had a watchdog reset, thus drop the FIXME to encourage drivers adopting
this convention.

Signed-off-by: Ahmad Fatoum <a.fatoum@...gutronix.de>
---
 Documentation/watchdog/watchdog-api.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/watchdog/watchdog-api.rst b/Documentation/watchdog/watchdog-api.rst
index c6c1e9fa9f73..800dcd7586f2 100644
--- a/Documentation/watchdog/watchdog-api.rst
+++ b/Documentation/watchdog/watchdog-api.rst
@@ -168,7 +168,7 @@ the fields returned in the ident struct are:
 
 the options field can have the following bits set, and describes what
 kind of information that the GET_STATUS and GET_BOOT_STATUS ioctls can
-return.   [FIXME -- Is this correct?]
+return.
 
 	================	=========================
 	WDIOF_OVERHEAT		Reset due to CPU overheat
-- 
2.27.0