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

From: Guenter Roeck
Date: Tue Jun 30 2020 - 16:49:44 EST


On Thu, Jun 11, 2020 at 09:17:42PM +0200, Ahmad Fatoum wrote:
> 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@xxxxxxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
> 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