linux-kernel - Re: [PATCH v4 1/7] phy: add a driver for the Berlin SATA PHY

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Date:	Tue, 20 May 2014 16:06:31 +0200
From:	Andrew Lunn <andrew@...n.ch>
To:	Antoine Ténart 
	<antoine.tenart@...e-electrons.com>
Cc:	Andrew Lunn <andrew@...n.ch>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	thomas.petazzoni@...e-electrons.com, zmxu@...vell.com,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	kishon@...com, linux-ide@...r.kernel.org,
	alexandre.belloni@...e-electrons.com, jszhang@...vell.com,
	tj@...nel.org, linux-arm-kernel@...ts.infradead.org,
	sebastian.hesselbarth@...il.com
Subject: Re: [PATCH v4 1/7] phy: add a driver for the Berlin SATA PHY

> > > > +config PHY_BERLIN_SATA
> > > > +	bool
> > > 
> > > Is there any real reason why this cannot be tristate?
> > 
> > What we have seen with SATA drivers and phys, is there is link time
> > breakage if the SATA driver is built in and the phy is modular.
> > 
> > Maybe this has been fixed now? 
> 
> Using tristate shouldn't be a problem. I compiled without the PHY
> driver, no link issue.

The problem i think was when the PHY core and driver was a module and
SATA built in. Please give that configuration a go.

     Andrew
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