PCI/P2PDMA: Simplify distance calculation

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Merge __calc_map_type_and_dist() and calc_map_type_and_dist_warn() into
calc_map_type_and_dist() to simplify the code a bit.  This now means we add
the devfn strings to the acs_buf unconditionally even if the buffer is not
printed, but that is not a lot of overhead and keeps the code much simpler.

Link: https://lore.kernel.org/r/20210614055310.3960791-1-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>

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Christoph Hellwig 2021-06-14 07:53:10 +02:00 • committed by Bjorn Helgaas

parent 3ec0c3ec2d

commit d1b8dc09dd

1 changed files with 73 additions and 117 deletions

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drivers/pci/p2pdma.c

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