Some platform devices appear as PCI and have PCI cfg space, but are actually on the AMBA bus. They can support PASID via smmu stall feature, but does not support tlp since they are not real pci devices. So remove tlp as a PASID dependency. Signed-off-by: Zhangfei Gao <zhangfei.gao@xxxxxxxxxx> --- drivers/pci/ats.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c index 390e92f..8e31278 100644 --- a/drivers/pci/ats.c +++ b/drivers/pci/ats.c @@ -344,9 +344,6 @@ int pci_enable_pasid(struct pci_dev *pdev, int features) if (WARN_ON(pdev->pasid_enabled)) return -EBUSY; - if (!pdev->eetlp_prefix_path) - return -EINVAL; - if (!pasid) return -EINVAL; -- 2.7.4
