]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
PCI: Add ACS quirks for Cavium multi-function devices
authorGeorge Cherian <george.cherian@marvell.com>
Tue, 10 Aug 2021 12:24:25 +0000 (17:54 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 22 Sep 2021 10:26:43 +0000 (12:26 +0200)
commitcf4168c4e0ec708ede38259bb8bf195f4a6b185a
tree59e35204a62b4917acb46063cc37ae081cbe79a0
parentb3435cd96848da83708b417d68e37453b9c6915a
PCI: Add ACS quirks for Cavium multi-function devices

[ Upstream commit 32837d8a8f63eb95dcb9cd005524a27f06478832 ]

Some Cavium endpoints are implemented as multi-function devices without ACS
capability, but they actually don't support peer-to-peer transactions.

Add ACS quirks to declare DMA isolation for the following devices:

  - BGX device found on Octeon-TX (8xxx)
  - CGX device found on Octeon-TX2 (9xxx)
  - RPM device found on Octeon-TX3 (10xxx)

Link: https://lore.kernel.org/r/20210810122425.1115156-1-george.cherian@marvell.com
Signed-off-by: George Cherian <george.cherian@marvell.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/pci/quirks.c