linux-next: build warning after merge of the iommu tree

[Stephen Rothwell]

Hi all,

After merging the iommu tree, today's linux-next build (htmldocs)
produced this warning:

Documentation/driver-api/generic_pt.rst:32: WARNING: Literal block expected; none found. [docutils]

Introduced by commit

  ab0b572847ac ("genpt: Add Documentation/ files")

-- 
Cheers,
Stephen Rothwell

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