linux-kernel - Re: [PATCH v2 1/3] ata: ahci_st: Provide DT bindings for ST's SATA implementation

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Date:	Wed, 12 Mar 2014 19:59:52 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	Mark Rutland <mark.rutland@....com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"DCG_UPD_stlinux_kernel@...t.st.com" 
	<DCG_UPD_stlinux_kernel@...t.st.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Srinivas Kandagatla <srinivas.kandagatla@...com>
Subject: Re: [PATCH v2 1/3] ata: ahci_st: Provide DT bindings for ST's SATA implementation

On Wednesday 12 March 2014 17:14:52 Lee Jones wrote:
> > > > > +This binding describes a SATA device.
> > > > > +
> > > > > +Required properties:
> > > > > + - compatible         : Must be "st,ahci"
> > > > 
> > > > Is there not a more specific name? This is awfully generic.
> > > 
> > > There isn't one. ST only have one AHCI driver. The driver is named as
> > > generically.
> > 
> > If it is this generic, can't you use the completely generic
> > ahci-platform driver and add a "generic-ahci" compatible string
> > to that?
> 
> It pretty much does. The only 'special' functionality we handle in
> the driver are resets and configuring the OOB. However, both are
> required.

The reset handling should be easy to add to the generic driver
usign as an optional property if I'm not mistaken.

What is OOB?

	Arnd
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