linux-kernel - Re: [RFC][PATCH] watchdog: rti-wdt: Provide set_timeout handler to make existing userspace happy

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Message-ID: <20240421084916.GA4208@francesco-nb>
Date: Sun, 21 Apr 2024 10:49:16 +0200
From: Francesco Dolcini <francesco@...cini.it>
To: Jan Kiszka <jan.kiszka@...mens.com>
Cc: Wim Van Sebroeck <wim@...ux-watchdog.org>,
	Guenter Roeck <linux@...ck-us.net>, linux-watchdog@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Tero Kristo <t-kristo@...com>,
	"Su, Bao Cheng (RC-CN DF FA R&D)" <baocheng.su@...mens.com>
Subject: Re: [RFC][PATCH] watchdog: rti-wdt: Provide set_timeout handler to
 make existing userspace happy

Hello Jan,

On Mon, Sep 13, 2021 at 01:41:43PM +0200, Jan Kiszka wrote:
> From: Jan Kiszka <jan.kiszka@...mens.com>
> 
> Prominent userspace - systemd - cannot handle watchdogs without
> WDIOF_SETTIMEOUT, even if it was configured to the same time as the
> driver selected or was used by firmware to start the watchdog. To avoid
> failing in this case, implement a handler that only fails if a deviating
> set_timeout is requested.
> 
> Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com>

Are you aware of this patch https://lore.kernel.org/all/20240417205700.3947408-1-jm@ti.com/ ?

Francesco