[RFC 2/2] Revert "dm: core: device: switch off power domain after device removal"

Lokesh Vutla lokeshvutla at ti.com
Fri Feb 14 10:30:30 CET 2020



On 14/02/20 2:48 PM, Oliver Graute wrote:
> On 14/02/20, Lokesh Vutla wrote:
>>
>>
>> On 13/02/20 10:42 PM, Neil Armstrong wrote:
>>> Hi,
>>>
>>> On 03/02/2020 14:59, Oliver Graute wrote:
>>>> The conga-imx8 board isn't booting without this revert. Can someone tell me
>>>> what I need to Do so that this revert is not necessary?
>>
>> Can you give more details on where the failure is happening?(logs would really
>> help).
> 
> without that revert patch u-boot is stuck at "Starting kernel ..."
> Is there a way to get more details here? currently I don't know howto
> debug that power-domain stuff deeper.

Can you enable debug prints in:
- drivers/power/domain/power-domain-uclass.c
- drivers/power/domain/imx8-power-domain*.c

and provide the logs? this will help which power-domain is causing the issue.

Thanks and regards,
Lokesh

> 
> Bytes transferred = 27030016 (19c7200 hex)
> Using ethernet at 5b040000 device
> TFTP from server 10.200.134.119; our IP address is 10.200.134.121
> Filename 'imx8qm-cgt-qmx8.dtb'.
> Load address: 0x83000000
> Loading: #####
>          2.5 MiB/s
> done
> Bytes transferred = 21224 (52e8 hex)
> ## Flattened Device Tree blob at 83000000
>    Booting using the fdt blob at 0x83000000
>    Using Device Tree in place at 0000000083000000, end 00000000830082e7
> 
> Starting kernel ...
> 
> Best regards,
> 
> Oliver
> 


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