linux-kernel - Re: [PATCH v2 07/12] usb: chipidea: add a generic driver

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Date:	Tue, 1 Jul 2014 16:30:08 +0800
From:	Peter Chen <peter.chen@...escale.com>
To:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
CC:	Antoine Ténart 
	<antoine.tenart@...e-electrons.com>,
	<alexandre.belloni@...e-electrons.com>,
	<thomas.petazzoni@...e-electrons.com>, <zmxu@...vell.com>,
	<jszhang@...vell.com>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 07/12] usb: chipidea: add a generic driver

On Tue, Jul 01, 2014 at 10:55:37AM +0200, Sebastian Hesselbarth wrote:
> On 07/01/2014 02:21 AM, Peter Chen wrote:
> >On Mon, Jun 30, 2014 at 03:33:13PM +0200, Antoine Ténart wrote:
> >>On Fri, Jun 27, 2014 at 11:25:07AM +0800, Peter Chen wrote:
> >>>On Tue, Jun 24, 2014 at 12:35:16PM +0200, Antoine Ténart wrote:
> >>>>+
> >>>>+static const struct of_device_id ci_hdrc_generic_of_match[] = {
> >>>>+	{ .compatible = "chipidea-usb" },
> >>>>+	{ }
> >>>>+};
> >>>
> >>>Even as a generic driver, you can also use your own compatible string.
> >>
> >>Well, there is nothing specific about the Berlin CI. Some subsystems
> >>use the 'generic' keyword in these cases. Do you see a particular reason
> >>I should use some Berlin related compatible here?
> >
> >Not must, one suggestion is: can you change the compatible string
> >to "chipidea-usb-generic"?
> 
> I don't know about ChipIdea/ARC/DW's product portfolio but I guess
> the compatible should also carry '2.0' or 'usb2' in it. Or we just
> use some version number like 'chipidea,ci13000' or 'chipidea,ci13xxx'.
> 
> Sebastian
> 

The recommended format for compatible string is: "manufacturer,model",
I agree with "chipidea,ci13xxx", thanks.

-- 

Best Regards,
Peter Chen
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