linux-kernel - Re: [PATCH v3 2/6] Documentation: DT: Add optional 'timeout-sec' property for sp805

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Message-ID: <20180524161628.GA28425@roeck-us.net>
Date:   Thu, 24 May 2018 09:16:28 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Ray Jui <ray.jui@...adcom.com>
Cc:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Frank Rowand <frowand.list@...il.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Robin Murphy <robin.murphy@....com>,
        linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com
Subject: Re: [PATCH v3 2/6] Documentation: DT: Add optional 'timeout-sec'
 property for sp805

On Wed, May 23, 2018 at 05:15:20PM -0700, Ray Jui wrote:
> Update the SP805 binding document to add optional 'timeout-sec'
> devicetree property
> 
> Signed-off-by: Ray Jui <ray.jui@...adcom.com>
> ---
>  Documentation/devicetree/bindings/watchdog/arm,sp805.txt | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/arm,sp805.txt b/Documentation/devicetree/bindings/watchdog/arm,sp805.txt
> index 0fa3629..1debea3 100644
> --- a/Documentation/devicetree/bindings/watchdog/arm,sp805.txt
> +++ b/Documentation/devicetree/bindings/watchdog/arm,sp805.txt
> @@ -19,6 +19,8 @@ Required properties:
>  
>  Optional properties:
>  - interrupts:  Should specify WDT interrupt number
> +- timeout-sec: Should specify default WDT timeout in seconds. If unset, the
> +               default timeout in the driver is 30 seconds

"... the default timeout is determined by the driver" might be better.
If you want to mandate a default here (not sure if that is a good idea),
I would suggest to use something like "should be 30 seconds".

Guenter

>  
>  Example:
>  	watchdog@...90000 {
> -- 
> 2.1.4
> 
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