[PATCH] iommu: qcom: Revert "iommu/arm: Cleanup resources in case of probe error path"

[Marek Szyprowski]

On 05.07.2021 16:30, Amey Narkhede wrote:
> On 21/07/05 08:56AM, Marek Szyprowski wrote:
>> QCOM IOMMU driver calls bus_set_iommu() for every IOMMU device controller,
>> what fails for the second and latter IOMMU devices. This is intended and
>> must be not fatal to the driver registration process. Also the cleanup
>> path should take care of the runtime PM state, what is missing in the
>> current patch. Revert relevant changes to the QCOM IOMMU driver until
>> a proper fix is prepared.
>>
> Apologies for the broken patch I don't have any arm machine to test the
> patches. Is this bug unique to qcom iommu?

Frankly, I have no idea. Just grep for bus_set_iommu() and check if the 
caller might be executed more than once.

Best regards

-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland