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Date:	Fri, 23 May 2014 01:02:32 +0200
From:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
To:	Linus Walleij <linus.walleij@...aro.org>
CC:	Antoine Ténart 
	<antoine.tenart@...e-electrons.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	zhiming Xu <zmxu@...vell.com>,
	Jisheng Zhang <jszhang@...vell.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/7] pinctrl: berlin: add the core pinctrl driver for
 Marvell Berlin SoCs

On 05/22/2014 11:59 PM, Linus Walleij wrote:
> On Sat, May 17, 2014 at 12:08 PM, Sebastian Hesselbarth
> <sebastian.hesselbarth@...il.com> wrote:
> 
>> thinking of your request to make "function"/"groups" standard
>> properties, I guess you also had some corresponding helpers in
>> mind.
> 
> Yeah :-)
> 
>> Looking at the map and free functions here, I can see no Berlin
>> specific code at all. One option would be to make those functions
>> a standard callback for .dt_node_to_map and .dt_free_map, i.e.
>> pinctrl_utils_function_group_dt_node_to_map.
>>
>> IMHO, the more flexible option would be to rather have
>>
>> of_pinctrl_utils_read_function(node, &function_name, &ngroups)
>> and
>> of_pinctrl_for_each_function_group(node, group_name)
>> swallowing the property names and reuse it like below.
>>
>> The simple option would be to just remove the marvell, prefix
>> now and have a closer look at other pinctrl drivers to see what
>> will be required, of course.
>>
>> Do you have any preference?
> 
> I would prefer a two-stage rocket, one removing the Marvell prefix
> and another bringing the helpers into pinctrl-utils.

You already the first stage some mails further down in your inbox.

> Do I hear a patch coming? :-)

Yes, but given the late time in v3.15 now and lack of time, I postpone
it to somewhere in v3.16.

Sebastian
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