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

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Message-ID: <53B27789.3090509@gmail.com>
Date:	Tue, 01 Jul 2014 10:55:37 +0200
From:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
To:	Peter Chen <peter.chen@...escale.com>,
	Antoine Ténart 
	<antoine.tenart@...e-electrons.com>
CC:	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 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

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