[PATCH 19/24] clk: mediatek: drop parent udevice field

David Lechner dlechner at baylibre.com
Wed Jul 8 18:58:13 CEST 2026


On 7/8/26 11:11 AM, David Lechner wrote:
> On 7/8/26 9:59 AM, Julien Stephan wrote:
>> Le mar. 7 juil. 2026 à 17:10, David Lechner <dlechner at baylibre.com> a écrit :
>>>
>>> Remove the parent field from the mediatek clock private data structures.
>>> This was no longer used other than debug prints.
>>>
>>
>> Hi David,
>>
>> Looks like this commit is breaking mmc on me Genio 700 board.
>>
>>   Card did not respond to voltage select! : -5
>>
>> And then it fails to boot.
>> clk dump output is equivalent to what I used to have on my Genio 700
>> (without the parent debug print)
> 
> This is unexpected since in theory this commit should just be removing
> dead code. I'll try to see if I can reproduce that.
> 
I was able to reproduce something similar on Genio 520. Apparently
calling uclass_get_device_by_driver() has some side effect that was
being depended upon. I will keep investigating.



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