dt-bindings: PCI: qcom: Allow 'dma-coherent' property
authorJohan Hovold <johan+linaro@kernel.org>
Mon, 5 Dec 2022 09:45:30 +0000 (10:45 +0100)
committerLorenzo Pieralisi <lpieralisi@kernel.org>
Tue, 6 Dec 2022 12:18:29 +0000 (13:18 +0100)
commit74eac50391ce42c5d0038d6f0e580576e53aec4e
tree1bb60216864ad757d15b4a7d615f62f52ab6624e
parentc4860af88d0cb1bb006df12615c5515ae509f73b
dt-bindings: PCI: qcom: Allow 'dma-coherent' property

Devices on some PCIe buses may be cache coherent and must be marked as
such in the devicetree to avoid data corruption.

This is specifically needed on recent Qualcomm platforms like SC8280XP.

Link: https://lore.kernel.org/r/20221205094530.12883-1-johan+linaro@kernel.org
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Documentation/devicetree/bindings/pci/qcom,pcie.yaml