Re: [PATCHv4 3/5] pinctrl: mvebu: pinctrl driver for 98DX3236 SoC

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On 20/01/17 12:19, Sebastian Hesselbarth wrote:
> On 19.01.2017 22:12, Chris Packham wrote:
>> On 14/01/17 20:50, Chris Packham wrote:
>>> On 13/01/17 22:54, Sebastian Hesselbarth wrote:
>>>> On 13.01.2017 10:12, Chris Packham wrote:
>>>>> From: Kalyan Kinthada <kalyan.kinthada@xxxxxxxxxxxxxxxxxxx>
>>>>>
>>>>> This pinctrl driver supports the 98DX3236, 98DX3336 and 98DX4251 SoCs
>>>>> from Marvell.
>>>>>
>>>>> Signed-off-by: Kalyan Kinthada <kalyan.kinthada@xxxxxxxxxxxxxxxxxxx>
>>>>> Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
>>>>> Acked-by: Rob Herring <robh@xxxxxxxxxx>
>>>>> Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx>
>>>>> ---
>>>>>
>>>>> Notes:
>>>>>     Changes in v2:
>>>>>     - include sdio support for the 98DX4251
>>>>>     Changes in v3:
>>>>>     - None
>>>>>     Changes in v4:
>>>>>     - Correct some discrepencies between binding and driver.
>>>>
>>>> Well, unfortunately I still see differences between the "gpio" in
>>>> the binding and "gpo" in the driver.
>>>>
>>>> Please go back to that list I sent you yesterday and fix them all.
>>>>
>>>
>>> I think you may have missed my initial reply [1]. Or I have missed your
>>> response to it. Long story short "gpo" is intentional because some of
>>> those pins can't be used as inputs. But if you still want me to change
>>> it I will.
>>>
>>> [1] - https://lkml.org/lkml/2017/1/12/117
>>>
>>
>> Did you get a chance to consider this. Do you still want me to change
>> gpo -> gpio given the information above?
>
> Chris,
>
> sorry if I wasn't clear enough. I don't want you to change every gpo
> into gpio. All I was referring to is the _difference_ between driver
> implementation and device tree binding - and soley resolve that.
>
> So, for the gpo's I see that the binding doc still says "gpio" for the
> available functions where the driver expects "gpo".
>
> e.g. the binding has this:
>
> mpp6          6        gpio, sd0(clk), dev(a2)
>
> if you change it to
>
> mpp6          6        gpo, sd0(clk), dev(a2)
>
> both binding and driver are the same, right?
>
> I do understand that the hardware is gp-output only and you correctly
> reflected that in the pinctrl driver - but the binding doc does not
> reflect that for those mpps in the list.
>

Ah OK thanks for clearing up my confusion. I'll make sure the binding 
and the driver are consistent when I submit v5 (probably next week).
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