From: Christophe JAILLET Date: Sun, 9 Jan 2022 18:24:08 +0000 (+0100) Subject: iavf: Remove useless DMA-32 fallback configuration X-Git-Tag: core-urgent-2022-04-03~86^2~509^2~4 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=9498d4affd61e9d97ec06cd67bc46da2485d8dba;p=users%2Fdwmw2%2Flinux.git 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/2021/6/7/398 Signed-off-by: Christophe JAILLET Reviewed-by: Christoph Hellwig Reviewed-by: Alexander Lobakin Tested-by: Konrad Jankowski Signed-off-by: Tony Nguyen --- diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index 8125b91206150..b0bd95c854805 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -4368,12 +4368,9 @@ static int iavf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 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; - } + dev_err(&pdev->dev, + "DMA configuration failed: 0x%x\n", err); + goto err_dma; } err = pci_request_regions(pdev, iavf_driver_name);