tree 019ae976cf0d62d7283e0bd514e1006ad63cd816
parent c1ff078670c94ea74d2eadc7551ec19dbb555c36
author David Pu <dpu@nvidia.com> 1550830557 -0800
committer David Pu <dpu@nvidia.com> 1551376696 -0800

xlat_tables_v2: get unmap action type with helper function.

This patch introduces helper function 'xlat_tables_unmap_region_action'
to get the required action type from given arguments when unmapping the
specified region.
it reduces cyclomatic code complexity in xlat_tables_unmap_region function.

Cyclomatic complexity calculated using 'Coverity'

fixes arm-software/tf-issues#673

Signed-off-by: David Pu <dpu@nvidia.com>