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From: Guenter Roeck <linux@roeck-us.net>
To: Timur Tabi <timur@codeaurora.org>, Pratyush Anand <panand@redhat.com>
Cc: fu.wei@linaro.org, Suravee.Suthikulpanit@amd.com, wim@iguana.be,
	linux-arm-kernel@lists.infradead.org,
	linux-watchdog@vger.kernel.org,
	open list <linux-kernel@vger.kernel.org>,
	Dave Young <dyoung@redhat.com>,
	kexec@lists.infradead.org
Subject: Re: [PATCH RFC] Watchdog: sbsa_gwdt: Enhance timeout range
Date: Thu, 5 May 2016 16:36:03 -0700	[thread overview]
Message-ID: <572BD8E3.4070707@roeck-us.net> (raw)
In-Reply-To: <572B8F52.2000709@codeaurora.org>

On 05/05/2016 11:22 AM, Timur Tabi wrote:
> Pratyush Anand wrote:
>> I think, in the long run we must have SBSA
>> watchdog specification improvement to keep WOR as 64 bit.
>
> I agree with this 100%.  IMHO, using a 32-bit WOR was just a bad decision.
>

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.

Guenter

  reply	other threads:[~2016-05-05 23:36 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-03  8:20 [PATCH RFC] Watchdog: sbsa_gwdt: Enhance timeout range Pratyush Anand
2016-05-03 12:12 ` Timur Tabi
2016-05-03 13:24   ` Pratyush Anand
2016-05-03 13:47     ` Guenter Roeck
2016-05-03 14:17       ` Pratyush Anand
2016-05-03 14:46         ` Guenter Roeck
2016-05-03 15:04           ` Timur Tabi
2016-05-03 13:29 ` Guenter Roeck
2016-05-03 14:38   ` Pratyush Anand
2016-05-03 15:07     ` Timur Tabi
2016-05-03 15:51       ` Pratyush Anand
2016-05-03 17:16         ` Guenter Roeck
2016-05-04 14:14           ` Pratyush Anand
2016-05-04 14:21             ` Timur Tabi
2016-05-04 15:59               ` Pratyush Anand
2016-05-04 16:17                 ` Timur Tabi
2016-05-05 16:43                   ` Guenter Roeck
2016-05-05 18:20                     ` Pratyush Anand
2016-05-05 18:22                       ` Timur Tabi
2016-05-05 23:36                         ` Guenter Roeck [this message]
2016-05-05 23:38                           ` Timur Tabi
2016-05-05 23:45                             ` Timur Tabi
2016-05-06  0:18                               ` Guenter Roeck
2016-05-05 23:51                             ` Guenter Roeck

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