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-rw-r--r--drivers/net/ethernet/sfc/falcon/rx.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sfc/falcon/rx.c b/drivers/net/ethernet/sfc/falcon/rx.c
index 0c6cc2191369..6bbdb5d2eebf 100644
--- a/drivers/net/ethernet/sfc/falcon/rx.c
+++ b/drivers/net/ethernet/sfc/falcon/rx.c
@@ -718,12 +718,14 @@ static void ef4_init_rx_recycle_ring(struct ef4_nic *efx,
struct ef4_rx_queue *rx_queue)
{
unsigned int bufs_in_recycle_ring, page_ring_size;
+ struct iommu_domain __maybe_unused *domain;
/* Set the RX recycle ring size */
#ifdef CONFIG_PPC64
bufs_in_recycle_ring = EF4_RECYCLE_RING_SIZE_IOMMU;
#else
- if (iommu_present(&pci_bus_type))
+ domain = iommu_get_domain_for_dev(&efx->pci_dev->dev);
+ if (domain && domain->type != IOMMU_DOMAIN_IDENTITY)
bufs_in_recycle_ring = EF4_RECYCLE_RING_SIZE_IOMMU;
else
bufs_in_recycle_ring = EF4_RECYCLE_RING_SIZE_NOIOMMU;