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From: Gregory CLEMENT <gregory.clement@free-electrons.com>
To: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>,
	linux-arm-kernel@lists.infradead.org,
	Arnd Bergmann <arnd@arndb.de>, Olof Johansson <olof@lixom.net>,
	Ben Dooks <ben-linux@fluff.org>,
	Ian Molton <ian.molton@codethink.co.uk>,
	Nicolas Pitre <nico@fluxnic.net>,
	Lior Amsalem <alior@marvell.com>,
	Maen Suleiman <maen@marvell.com>,
	Tawfik Bayouk <tawfik@marvell.com>,
	Shadi Ammouri <shadi@marvell.com>,
	Eran Ben-Avi <benavi@marvell.com>,
	Yehuda Yitschak <yehuday@marvell.com>,
	Nadav Haklai <nadavh@marvell.com>,
	Ike Pan <ike.pan@canonical.com>,
	Jani Monoses <jani.monoses@canonical.com>,
	Chris Van Hoof <vanhoof@canonical.com>,
	Dan Frazier <dann.frazier@canonical.com>,
	Leif Lindholm <leif.lindholm@arm.com>,
	Jon Masters <jcm@redhat.com>, David Marlin <dmarlin@redhat.com>,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] arm: mvebu: adding SATA support: dt binding and config update
Date: Thu, 25 Oct 2012 15:34:00 +0200	[thread overview]
Message-ID: <50893FC8.1050503@free-electrons.com> (raw)
In-Reply-To: <20121025152114.73e69c92@skate>

On 10/25/2012 03:21 PM, Thomas Petazzoni wrote:
> Jason,
> 
> On Thu, 25 Oct 2012 09:18:18 -0400, Jason Cooper wrote:
> 
>>> Jason, Andrew, do you want I split this patch as suggested by
>>> Thomas or are you fine with having one single patch?
>>
>> Yes, please make the defconfig changes a separate patch.  Also, please
>> make sure only the minimum is enabled (eq RAID... isn't needed).
> 
> I haven't looked in details at the driver, but is nr-ports = <foo> the
> right way of doing things? We may have platforms were port 0 is not
> used, but port 1 is used, and just a number of ports doesn't allow to
> express this.
> 
> Shouldn't the DT property be
> 
>   ports = <0>, <1>
>   ports = <1>
>   ports = <1>, <3>
> 
> In order to allow to more precisely enabled SATA ports? Or maybe the
> SATA ports cannot be enabled/disabled on a per-port basis, in which
> case I'm obviously wrong here.

The actual implementation of mv_sata.c doesn't work like this. You can
only pass the number of ports supported not the list of the port you
want to support. I've checked in the device tree binding documentation
_and_ also in the code.


> 
> Best regards,
> 
> Thomas
> 


-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com

  reply	other threads:[~2012-10-25 13:34 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-24 13:49 [PATCH 0/2] Adding SATA support for Armada 370/XP Gregory CLEMENT
2012-10-24 13:49 ` [PATCH 1/2] arm: mvebu: increase atomic coherent pool size for armada 370/XP Gregory CLEMENT
2012-10-25  5:29   ` Marek Szyprowski
2012-10-25 11:27   ` Arnd Bergmann
2012-10-25 11:43     ` Thomas Petazzoni
2012-10-25 13:46       ` Arnd Bergmann
2012-10-25 14:09         ` Thomas Petazzoni
2012-10-24 13:49 ` [PATCH 2/2] arm: mvebu: adding SATA support: dt binding and config update Gregory CLEMENT
2012-10-24 14:01   ` Thomas Petazzoni
2012-10-24 14:05     ` Gregory CLEMENT
2012-10-25 13:18       ` Jason Cooper
2012-10-25 13:21         ` Thomas Petazzoni
2012-10-25 13:34           ` Gregory CLEMENT [this message]
2012-10-25 13:57             ` Rob Herring
2012-10-25 16:00               ` Gregory CLEMENT
2012-10-25 13:35           ` Jason Cooper
2012-10-25 13:53         ` Rob Herring
2012-10-25 14:11           ` Gregory CLEMENT
2012-10-25 14:27             ` Rob Herring
2012-10-24 14:08   ` Andrew Lunn
2012-10-24 14:45     ` Gregory CLEMENT

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