[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
More information about the linux-arm-kernel
mailing list