Commit 9498d4af authored by Christophe JAILLET's avatar Christophe JAILLET Committed by Tony Nguyen

iavf: Remove useless DMA-32 fallback configuration

As stated in [1], dma_set_mask() with a 64-bit mask never fails if
dev->dma_mask is non-NULL.
So, if it fails, the 32 bits case will also fail for the same reason.

Simplify code and remove some dead code accordingly.

[1]: https://lkml.org/lkml/2021/6/7/398Signed-off-by: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarAlexander Lobakin <alexandr.lobakin@intel.com>
Tested-by: default avatarKonrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: default avatarTony Nguyen <anthony.l.nguyen@intel.com>
parent a34a42d8
......@@ -4367,14 +4367,11 @@ static int iavf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
return err;
err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
if (err) {
err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (err) {
dev_err(&pdev->dev,
"DMA configuration failed: 0x%x\n", err);
goto err_dma;
}
}
err = pci_request_regions(pdev, iavf_driver_name);
if (err) {
......
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