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PCI: aardvark: Disable bus mastering when unbinding driver
authorPali Rohár <pali@kernel.org>
Tue, 30 Nov 2021 17:29:08 +0000 (18:29 +0100)
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Thu, 2 Dec 2021 09:55:49 +0000 (09:55 +0000)
commita46f2f6dd4093438d9615dfbf5c0fea2a9835dba
tree471200fbccb957e7cc2b3f9379c8ea62538096fatree | snapshot
parenta4ca7948e1d47275f8f3e5023243440c40561916commit | diff
PCI: aardvark: Disable bus mastering when unbinding driver

Ensure that after driver unbind PCIe cards are not able to forward
memory and I/O requests in the upstream direction.

Link: https://lore.kernel.org/r/20211130172913.9727-7-kabel@kernel.org
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
drivers/pci/controller/pci-aardvark.c diff | blob | history
Domain: System / Kernel;