tree 71b1700c9f04a1a35c9abdc59a4b7104dff03901
parent 2b9f4bb2a4fb77da4862f9ddf5209de2bcdaa0c0
author Logan Gunthorpe <logang@deltatee.com> 1565631043 -0600
committer Bjorn Helgaas <bhelgaas@google.com> 1565962886 -0500

PCI/P2PDMA: Introduce pci_p2pdma_unmap_sg()

Add pci_p2pdma_unmap_sg() to the two places that call pci_p2pdma_map_sg().

This is a prep patch to introduce correct mappings for p2pdma transactions
that go through the root complex.

Link: https://lore.kernel.org/r/20190730163545.4915-10-logang@deltatee.com
Link: https://lore.kernel.org/r/20190812173048.9186-10-logang@deltatee.com
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>