[PATCH v4 5/7] iommu: Add iommu_get_domain_for_dev_locked() helper

[Tian, Kevin]

> From: Nicolin Chen <nicolinc at nvidia.com>
> Sent: Monday, September 1, 2025 7:32 AM
> 
> 
> +/* Caller must be a general/external function that isn't an IOMMU callback
> */
>  struct iommu_domain *iommu_get_domain_for_dev(struct device *dev)
>  {

'general function' is not easy to get its meaning. just keep 'external'?

Reviewed-by: Kevin Tian <kevin.tian at intel.com>