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-rw-r--r--drivers/pci/switch/switchtec.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index d2bca2dd9889..480107ecb2ab 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -1237,6 +1237,10 @@ static int switchtec_init_pci(struct switchtec_dev *stdev,
if (rc)
return rc;
+ rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
+ if (rc)
+ return rc;
+
pci_set_master(pdev);
stdev->mmio = pcim_iomap_table(pdev)[0];