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Message-ID: <4fc37065-a43b-4295-951d-4fbcc72bfc63@roeck-us.net>
Date: Wed, 17 Apr 2024 14:10:29 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Judith Mendez <jm@...com>
Cc: Wim Van Sebroeck <wim@...ux-watchdog.org>,
	linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
	Rafael Beims <rafael.beims@...adex.com>,
	Vignesh Raghavendra <vigneshr@...com>,
	Nick Saulnier <nsaulnier@...com>
Subject: Re: [PATCH v3] watchdog: rti_wdt: Set min_hw_heartbeat_ms to
 accommodate a safety margin

On Wed, Apr 17, 2024 at 03:57:00PM -0500, Judith Mendez wrote:
> On AM62x, the watchdog is pet before the valid window is open. Fix
> min_hw_heartbeat and accommodate a 2% + static offset safety margin.
> The static offset accounts for max hardware error.
> 
> Remove the hack in the driver which shifts the open window boundary,
> since it is no longer necessary due to the fix mentioned above.
> 
> cc: stable@...r.kernel.org
> Fixes: 5527483f8f7c ("watchdog: rti-wdt: attach to running watchdog during probe")
> Signed-off-by: Judith Mendez <jm@...com>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>

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