Re: [PATCH v4 3/3] pinctrl: Add Xilinx ZynqMP pinctrl driver support

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On 3/24/21 10:13 AM, Greg Kroah-Hartman wrote:
> On Wed, Mar 24, 2021 at 10:02:53AM +0100, Michal Simek wrote:
>>
>>
>> On 3/24/21 9:49 AM, Greg Kroah-Hartman wrote:
>>> On Wed, Mar 24, 2021 at 09:29:12AM +0100, Michal Simek wrote:
>>>> On 3/23/21 2:42 PM, Greg Kroah-Hartman wrote:
>>>>> On Wed, Mar 17, 2021 at 01:55:16PM +0530, Sai Krishna Potthuri wrote:
>>>>>> Adding pinctrl driver for Xilinx ZynqMP platform.
>>>>>> This driver queries pin information from firmware and registers
>>>>>> pin control accordingly.
>>>>>>
>>>>>> Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xxxxxxxxxx>
>>>>>> ---
>>>>>>  drivers/pinctrl/Kconfig          |   13 +
>>>>>>  drivers/pinctrl/Makefile         |    1 +
>>>>>>  drivers/pinctrl/pinctrl-zynqmp.c | 1030 ++++++++++++++++++++++++++++++
>>>>>>  3 files changed, 1044 insertions(+)
>>>>>>  create mode 100644 drivers/pinctrl/pinctrl-zynqmp.c
>>>>>>
>>>>>> diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
>>>>>> index 815095326e2d..25d3c7208975 100644
>>>>>> --- a/drivers/pinctrl/Kconfig
>>>>>> +++ b/drivers/pinctrl/Kconfig
>>>>>> @@ -341,6 +341,19 @@ config PINCTRL_ZYNQ
>>>>>>  	help
>>>>>>  	  This selects the pinctrl driver for Xilinx Zynq.
>>>>>>  
>>>>>> +config PINCTRL_ZYNQMP
>>>>>> +	bool "Pinctrl driver for Xilinx ZynqMP"
>>>>>
>>>>> Please make this work as a module.
>>>>
>>>> The most of pinctrl drivers are builtin modules now which is not excuse
>>>> it is just fact.
>>>> $ git grep module_pla drivers/pinctrl/ | wc -l
>>>> 40
>>>> $ git grep  builtin_pla drivers/pinctrl/ | wc -l
>>>> 64
>>>
>>> For new ones, we can do better, don't make us have to go back and fix
>>> this up later.
>>
>> As I said not a big deal. If this is the way to go then I these rules
>> should be followed which is not what it is happening based on 3 latest
>> pinctrl drivers below.
> 
> I do not disagree, but I point out issues when I see them, you got
> unlucky :)

I feel we were lucky that our driver got your attention and we do it
properly from the beginning. :-)

Thanks,
Michal



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