PCI: Add ACS quirk for iProc PAXB

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iProc PAXB Root Ports don't advertise an ACS capability, but they do not
allow peer-to-peer transactions between Root Ports.  Add an ACS quirk so
each Root Port can be in a separate IOMMU group.

[bhelgaas: commit log, comment, use common implementation style]
Link: https://lore.kernel.org/r/1566275985-25670-1-git-send-email-srinath.mannam@broadcom.com
Signed-off-by: Abhinav Ratna <abhinav.ratna@broadcom.com>
Signed-off-by: Srinath Mannam <srinath.mannam@broadcom.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Scott Branden <scott.branden@broadcom.com>

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Abhinav Ratna 2019-08-20 10:09:45 +05:30 • committed by Bjorn Helgaas

parent e499081da1

commit 46b2c32df7

1 changed files with 14 additions and 0 deletions

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drivers/pci/quirks.c

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