[PATCH 2/3] iommu/of: Support ats-supported device-tree property

Jason Gunthorpe jgg at ziepe.ca
Mon Apr 29 08:00:56 PDT 2024


On Mon, Apr 29, 2024 at 12:39:38PM +0100, Jean-Philippe Brucker wrote:
> Device-tree declares whether a PCI root-complex supports ATS by setting
> the "ats-supported" property. Copy this flag into device fwspec to let
> IOMMU drivers quickly check if they can enable ATS for a device.
> 
> Signed-off-by: Jean-Philippe Brucker <jean-philippe at linaro.org>
> Tested-by: Ketan Patil <ketanp at nvidia.com>
> ---
>  drivers/iommu/of_iommu.c | 9 +++++++++
>  1 file changed, 9 insertions(+)

Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>

Jason



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