[PATCH] drm/tegra: Remove of_dma_configure() from host1x_device_add()

[Jon Hunter]

On 02/02/2024 14:35, Jason Gunthorpe wrote:
> On Fri, Feb 02, 2024 at 10:40:36AM +0000, Jon Hunter wrote:
> 
>>> But, what is the actual log output you see, is it -EEXIST?
>>
>> I see ...
>>
>>   ERR KERN host1x drm: iommu configuration for device failed with -ENOENT
> 
> So that shouldn't happen in you case as far as I can tell, the device
> is properly added, link->kobj should be fine and ENOENT shouldn't
> happen.
> 
>>> If it is coming and going is it a race of some kind?
>>
>> It is consistent without the above. However, I did not think that the
>> above change would change the returning on -ENOENT? I will add more
>> debug.
> 
> I do not think it can either
> 
> Still wonder if there is some odd race..
> 
> Let me know when you figure out what is happening - I think there is
> some bug here it is not just a harmless warning.


Yes looks like a race of some sort. Adding a bit of debug also makes the 
issue go away so difficult to see what is happening.

Jon

-- 
nvpublic