linux-kernel - Re: [RFC PATCH 08/15] ata: ahci

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Date:	Mon, 23 Sep 2013 16:59:59 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Roger Quadros <rogerq@...com>
CC:	Tejun Heo <tj@...nel.org>, balbi@...com, bcousson@...libre.com,
	tony@...mide.com, balajitk@...com, kishon@...com,
	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [RFC PATCH 08/15] ata: ahci_platform: Manage SATA PHY

Hello.

On 23-09-2013 11:37, Roger Quadros wrote:

>>>     Not sure why you asked -- I'm not using this driver, neither I'm

>> Well, you have better grip of what's going on in the embedded world
>> than me.  I'm mostly curious whether adding dependency on PHY is okay.

> There is no hard dependency on presence of PHY. The driver will continue
> as usual if devm_phy_get() fails.
> I hope selecting GENERIC_PHY in Kconfig is not an issue.

    Selecting in the AHCI_PLATFORM section? It seems I have overlooked it. No, 
I don't think it's a good idea. The generic PHY functions seem to be stubbed 
when GENERIC_PHY=n.

> cheers,
> -roger

WBR, Sergei

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