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From: "Yang, Wenyou" <Wenyou.Yang@atmel.com>
To: Alexandre Belloni <alexandre.belloni@free-electrons.com>,
	Sylvain Rochet <sylvain.rochet@finsecur.com>
Cc: Guenter Roeck <linux@roeck-us.net>,
	Boris BREZILLON <boris.brezillon@free-electrons.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Ferre, Nicolas" <Nicolas.FERRE@atmel.com>,
	"Desroches, Ludovic" <Ludovic.Desroches@atmel.com>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	Wim Van Sebroeck <wim@iguana.be>
Subject: RE: [PATCH 6/6] watchdog: sama5d4: try to set timeout from device tree first
Date: Mon, 12 Oct 2015 08:12:42 +0000	[thread overview]
Message-ID: <B256D81BAE5131468A838E5D7A243641D632216B@penmbx01> (raw)
In-Reply-To: <20151012075001.GB3558@piout.net>

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> -----Original Message-----
> From: Alexandre Belloni [mailto:alexandre.belloni@free-electrons.com]
> Sent: 2015Äê10ÔÂ12ÈÕ 15:50
> To: Sylvain Rochet
> Cc: Guenter Roeck; Boris BREZILLON; linux-kernel@vger.kernel.org; Ferre,
> Nicolas; Desroches, Ludovic; linux-arm-kernel@lists.infradead.org; Yang,
> Wenyou; Wim Van Sebroeck
> Subject: Re: [PATCH 6/6] watchdog: sama5d4: try to set timeout from device tree
> first
> 
> Hi Sylvain,
> 
> The rest of the series looks good to me, one comment below:
> 
> On 08/10/2015 at 23:34:34 +0200, Sylvain Rochet wrote :
> > watchdog_init_timeout function doesn't try to get the "timeout-sec" DT
> > property if timeout_parm is not zero. This change makes this DT
> > property working for the sama5d4 watchdog driver.
> >
> 
> While I'm not sure of the feasibility, I think that the module parameter should
> override the DT property.

The patch should be right, the DT property overrides the module parameter.

If the DT property is not a valid value, it uses the default value,  initialized with the module parameter at the beginning of probe.

> 
> --
> Alexandre Belloni, Free Electrons
> Embedded Linux, Kernel and Android engineering http://free-electrons.com

Best Regards,
Wenyou Yang
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WARNING: multiple messages have this Message-ID (diff)
From: Wenyou.Yang@atmel.com (Yang, Wenyou)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 6/6] watchdog: sama5d4: try to set timeout from device tree first
Date: Mon, 12 Oct 2015 08:12:42 +0000	[thread overview]
Message-ID: <B256D81BAE5131468A838E5D7A243641D632216B@penmbx01> (raw)
In-Reply-To: <20151012075001.GB3558@piout.net>



> -----Original Message-----
> From: Alexandre Belloni [mailto:alexandre.belloni at free-electrons.com]
> Sent: 2015?10?12? 15:50
> To: Sylvain Rochet
> Cc: Guenter Roeck; Boris BREZILLON; linux-kernel at vger.kernel.org; Ferre,
> Nicolas; Desroches, Ludovic; linux-arm-kernel at lists.infradead.org; Yang,
> Wenyou; Wim Van Sebroeck
> Subject: Re: [PATCH 6/6] watchdog: sama5d4: try to set timeout from device tree
> first
> 
> Hi Sylvain,
> 
> The rest of the series looks good to me, one comment below:
> 
> On 08/10/2015 at 23:34:34 +0200, Sylvain Rochet wrote :
> > watchdog_init_timeout function doesn't try to get the "timeout-sec" DT
> > property if timeout_parm is not zero. This change makes this DT
> > property working for the sama5d4 watchdog driver.
> >
> 
> While I'm not sure of the feasibility, I think that the module parameter should
> override the DT property.

The patch should be right, the DT property overrides the module parameter.

If the DT property is not a valid value, it uses the default value,  initialized with the module parameter at the beginning of probe.

> 
> --
> Alexandre Belloni, Free Electrons
> Embedded Linux, Kernel and Android engineering http://free-electrons.com

Best Regards,
Wenyou Yang

  reply	other threads:[~2015-10-12  8:12 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-08 21:34 [PATCH 0/6] watchdog: sama5d4 and at91sam9: trivial rework Sylvain Rochet
2015-10-08 21:34 ` Sylvain Rochet
2015-10-08 21:34 ` [PATCH 1/6] watchdog: at91sam9: use devm_request_irq instead of request_irq Sylvain Rochet
2015-10-08 21:34   ` Sylvain Rochet
2015-10-08 21:34 ` [PATCH 2/6] watchdog: at91sam9: use watchdog_get_drvdata instead of container_of Sylvain Rochet
2015-10-08 21:34   ` Sylvain Rochet
2015-10-08 21:34 ` [PATCH 3/6] watchdog: at91sam9: rename heartbeats into timeout where necessary Sylvain Rochet
2015-10-08 21:34   ` Sylvain Rochet
2015-10-12 10:07   ` Sylvain Rochet
2015-10-12 10:07     ` Sylvain Rochet
2015-10-08 21:34 ` [PATCH 4/6] watchdog: at91sam9: remove nowayout useless copy Sylvain Rochet
2015-10-08 21:34   ` Sylvain Rochet
2015-10-08 21:34 ` [PATCH 5/6] watchdog: at91sam9: remove unused pdata support Sylvain Rochet
2015-10-08 21:34   ` Sylvain Rochet
2015-10-08 21:34 ` [PATCH 6/6] watchdog: sama5d4: try to set timeout from device tree first Sylvain Rochet
2015-10-08 21:34   ` Sylvain Rochet
2015-10-12  7:50   ` Alexandre Belloni
2015-10-12  7:50     ` Alexandre Belloni
2015-10-12  8:12     ` Yang, Wenyou [this message]
2015-10-12  8:12       ` Yang, Wenyou
2015-10-12 13:56       ` Sylvain Rochet
2015-10-12 13:56         ` Sylvain Rochet
2015-10-12  9:09     ` Sylvain Rochet
2015-10-12  9:09       ` Sylvain Rochet

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