linux-kernel - Re: [PATCH v2 3/6] ata: ahci: add AHCI support for the Berlin BG2Q

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Message-ID: <20140513120751.GA3213@kwain>
Date:	Tue, 13 May 2014 14:07:51 +0200
From:	Antoine Ténart 
	<antoine.tenart@...e-electrons.com>
To:	Andrew Lunn <andrew@...n.ch>
Cc:	Antoine Ténart 
	<antoine.tenart@...e-electrons.com>,
	sebastian.hesselbarth@...il.com, tj@...nel.org,
	thomas.petazzoni@...e-electrons.com, zmxu@...vell.com,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	alexandre.belloni@...e-electrons.com, jszhang@...vell.com,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 3/6] ata: ahci: add AHCI support for the Berlin BG2Q

Hi Andrew,

On Mon, May 12, 2014 at 04:12:21PM +0200, Andrew Lunn wrote:
> On Mon, May 12, 2014 at 11:16:54AM +0200, Antoine Ténart wrote:

[…]

> I've no idea is this is a good or bad idea, but could you put all the
> above code in the phy driver? It does seem to be mostly phy
> related. Then teach the core ahci code about optional phy nodes in DT.
> You can then probably do without a ahci berlin driver.

The code is PHY related, but the setup done is SATA specific. I think it
makes sense to keep it here. From what I saw lots of PHY drivers only
power up / down the PHYs.

Lots of port setups are done in the SATA framework, so it would separate
related code into two subsystems.

Antoine

-- 
Antoine Ténart, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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