Re: [PATCH v3 4/5] iommu/amd: Fail probe on ATS configuration failure

[Samiullah Khawaja]

On Mon, Aug 24, 2026 at 12:23:46PM +0000, Pranjal Shrivastava wrote:
> Update the driver to call pci_prepare_ats() after checking if
> pci_ats_supported() and fail the probe_device if pci_prepare_ats()
> returns an error. Additionally, update pdev_enable_cap_ats() to WARN_ON()
> a failure in pci_enable_ats().
>
> Reviewed-by: Vasant Hegde <vasant.hegde@xxxxxxx>
> Signed-off-by: Pranjal Shrivastava <praan@xxxxxxxxxx>
> ---
> drivers/iommu/amd/iommu.c | 40 +++++++++++++++++++++++++++++----------
> 1 file changed, 30 insertions(+), 10 deletions(-)

Reviewed-by: Samiullah Khawaja <skhawaja@xxxxxxxxxx>