[U-Boot] [PATCH 3/3] mtd: rawnand: denali: Do not reset the block on SoCFPGA

[Marek Vasut]

On 11/26/19 10:17 AM, Masahiro Yamada wrote:
> On Tue, Nov 26, 2019 at 6:10 PM Marek Vasut <marex at denx.de> wrote:
>>
>> On 11/26/19 10:07 AM, Masahiro Yamada wrote:
>>> On Tue, Nov 26, 2019 at 6:01 PM Marek Vasut <marex at denx.de> wrote:
>>>>
>>>> On 11/26/19 9:46 AM, Masahiro Yamada wrote:
>>>>> On Tue, Nov 26, 2019 at 5:23 PM Marek Vasut wrote:
>>>>>>
>>>>>> On 11/26/19 3:47 AM, Masahiro Yamada wrote:
>>>>>>> On Thu, Nov 21, 2019 at 6:38 AM Marek Vasut wrote:
>>>>>>>>
>>>>>>>> Legacy kernel versions for SoCFPGA may not implement proper reset
>>>>>>>> handling.
>>>>>>>
>>>>>>> What is "legacy kernel versions" ?
>>>>>>
>>>>>> Anything older than 5.x , which got proper reset handling, finally.
>>>>>
>>>>>
>>>>> Really?
>>>>> Could you tell the commit ID?
>>>>
>>>> commit 37f7453a4b7aa3e1d1608edeb500b105257ee945
>>>>     ARM: dts: socfpga: update missing reset property peripherals
>>>>
>>>> commit 1c909b2dfe6a21de2c24dc1c1405593e40e3a88c
>>>>     ARM: dts: socfpga: update more missing reset properties
>>>
>>>
>>> These are just DT updates.
>>>
>>> I do not see any proper reset handling in drivers/mtd/nand/raw/denali*.c
>>
>> Yes, DT updates which actually wire the reset to the IP so it can be
>> toggled.
> 
> 
> I am asking where the reset _consumer_ code is.
> 
> I'd like to find where
>   reset_control_get*
>   reset_control_deassert()
> are called for the NAND reset.

Clearly nowhere if the old kernels do not implement the reset properly.