diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-11-04 13:45:13 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-11-04 22:30:14 +0300 |
| commit | 051a07ec7a3def775c599547e5ce69bd59c43794 (patch) | |
| tree | 6a122ef93bc8a7e810413f05e2d81ff8ff2f8250 /drivers/net/ethernet/sgi/ioc3-eth.c | |
| parent | 59511bcf33f95e2bcf1100e8fde31e2d4a15f3a0 (diff) | |
| download | linux-051a07ec7a3def775c599547e5ce69bd59c43794.tar.xz | |
net: sgi: ioc3-eth: simplify setting the DMA mask
There is no need to fall back to a lower mask these days, the DMA mask
just communicates the hardware supported features.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sgi/ioc3-eth.c')
| -rw-r--r-- | drivers/net/ethernet/sgi/ioc3-eth.c | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/drivers/net/ethernet/sgi/ioc3-eth.c b/drivers/net/ethernet/sgi/ioc3-eth.c index 8a684d882e63..dc2e22652b55 100644 --- a/drivers/net/ethernet/sgi/ioc3-eth.c +++ b/drivers/net/ethernet/sgi/ioc3-eth.c @@ -1173,26 +1173,14 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct ioc3 *ioc3; unsigned long ioc3_base, ioc3_size; u32 vendor, model, rev; - int err, pci_using_dac; + int err; /* Configure DMA attributes. */ - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); - if (!err) { - pci_using_dac = 1; - err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); - if (err < 0) { - pr_err("%s: Unable to obtain 64 bit DMA for consistent allocations\n", - pci_name(pdev)); - goto out; - } - } else { - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (err) { - pr_err("%s: No usable DMA configuration, aborting.\n", - pci_name(pdev)); - goto out; - } - pci_using_dac = 0; + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + if (err) { + pr_err("%s: No usable DMA configuration, aborting.\n", + pci_name(pdev)); + goto out; } if (pci_enable_device(pdev)) @@ -1204,8 +1192,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_disable; } - if (pci_using_dac) - dev->features |= NETIF_F_HIGHDMA; + dev->features |= NETIF_F_HIGHDMA; err = pci_request_regions(pdev, "ioc3"); if (err) |