On 2021/4/1 23:47, Jean-Philippe Brucker wrote:
Copy the "Stall supported" bit, that tells whether a named component supports stall, into the dma-can-stall device property.Acked-by: Jonathan Cameron <jonathan.came...@huawei.com> Signed-off-by: Jean-Philippe Brucker <jean-phili...@linaro.org> --- drivers/acpi/arm64/iort.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c index 3912a1f6058e..0828f70cb782 100644 --- a/drivers/acpi/arm64/iort.c +++ b/drivers/acpi/arm64/iort.c @@ -968,13 +968,15 @@ static int iort_pci_iommu_init(struct pci_dev *pdev, u16 alias, void *data) static void iort_named_component_init(struct device *dev, struct acpi_iort_node *node) { - struct property_entry props[2] = {}; + struct property_entry props[3] = {}; struct acpi_iort_named_component *nc;nc = (struct acpi_iort_named_component *)node->node_data;props[0] = PROPERTY_ENTRY_U32("pasid-num-bits", FIELD_GET(ACPI_IORT_NC_PASID_BITS, nc->node_flags)); + if (nc->node_flags & ACPI_IORT_NC_STALL_SUPPORTED) + props[1] = PROPERTY_ENTRY_BOOL("dma-can-stall");if (device_add_properties(dev, props))dev_warn(dev, "Could not add device properties\n");
Acked-by: Hanjun Guo <guohan...@huawei.com> _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
