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

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Date:	Fri, 07 Feb 2014 11:39:03 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Roger Quadros <rogerq@...com>
Cc:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	kishon@...com, Tejun Heo <tj@...nel.org>, balbi@...com,
	bcousson@...libre.com, tony@...mide.com, balajitk@...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, Hans de Goede <hdegoede@...hat.com>
Subject: Re: [RFC PATCH 08/15] ata: ahci_platform: Manage SATA PHY

On Friday 07 February 2014 12:33:38 Roger Quadros wrote:
> 
> This means we need to make CONFIG_SATA_AHCI_PLATFORM depend on CONFIG_GENERIC_PHY or
> select it.
> 
> OR
> 
> Generic PHY layer must be fixed so that the API's are always built in.
> 
> What is the better option? I believe making the PHY API's always built in is the better option.
> 

CONFIG_SATA_AHCI_PLATFORM should do

	"depends on CONFIG_GENERIC_PHY || !CONFIG_GENERIC_PHY"

which is the Kconfig way of saying that if CONFIG_GENERIC_PHY is a module,
CONFIG_SATA_AHCI_PLATFORM needs to be a module as well.

	Arnd
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