Re: [PATCH v2 4/8] iommu: Factor out some helpers

[Baolu Lu]

On 2023/1/27 2:26, Robin Murphy wrote:
> The pattern for picking the first device out of the group list is
> repeated a few times now, so it's clearly worth factoring out to hide
> the group_device detail from places that don't need to know. Similarly,
> the safety check for dev_iommu_ops() at public interfaces starts looking
> a bit repetitive, and might not be completely obvious at first glance,
> so let's factor that out for clarity as well, in preparation for more
> uses of both.
>
> Signed-off-by: Robin Murphy<robin.murphy@xxxxxxx>

Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>

Best regards,
baolu