linux-kernel - Re: [PATCH RFC] Watchdog: sbsa

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Date:	Thu, 5 May 2016 18:38:01 -0500
From:	Timur Tabi <timur@...eaurora.org>
To:	Guenter Roeck <linux@...ck-us.net>,
	Pratyush Anand <panand@...hat.com>
Cc:	fu.wei@...aro.org, Suravee.Suthikulpanit@....com, wim@...ana.be,
	linux-arm-kernel@...ts.infradead.org,
	linux-watchdog@...r.kernel.org,
	open list <linux-kernel@...r.kernel.org>,
	Dave Young <dyoung@...hat.com>, kexec@...ts.infradead.org
Subject: Re: [PATCH RFC] Watchdog: sbsa_gwdt: Enhance timeout range

Guenter Roeck wrote:
> A 32-bit counter is absolutely fine. Letting it run with a 400MHz clock
> (or was it 200 MHz ?) is the problem. A resolution of 2.5ns for a watchdog
> timer does not really make any sense.

The 10 second limit is based on a 20MHz clock.

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