diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_net_common.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 4e56a99087fa..57f284eefeb3 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -2040,6 +2040,7 @@ nfp_net_alloc(struct pci_dev *pdev, const struct nfp_dev_info *dev_info, void __iomem *ctrl_bar, bool needs_netdev, unsigned int max_tx_rings, unsigned int max_rx_rings) { + u64 dma_mask = dma_get_mask(&pdev->dev); struct nfp_net *nn; int err; @@ -2085,6 +2086,14 @@ nfp_net_alloc(struct pci_dev *pdev, const struct nfp_dev_info *dev_info, goto err_free_nn; } + if ((dma_mask & nn->dp.ops->dma_mask) != dma_mask) { + dev_err(&pdev->dev, + "DMA mask of loaded firmware: %llx, required DMA mask: %llx\n", + nn->dp.ops->dma_mask, dma_mask); + err = -EINVAL; + goto err_free_nn; + } + nn->max_tx_rings = max_tx_rings; nn->max_rx_rings = max_rx_rings; |