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pmap_unmapdev respectively) so that resources are properly managed. This is work originally done by kan@. Stanislav picked it up as part of his Mediatek SoC work. Tested: * Carambola2, AR933x SoC Submitted by: Stanislav Galabov <sgalabov@gmail.com> Reviewed by: kan Differential Revision: https://reviews.freebsd.org/D5184