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net: pch_gbe: Use dma_set_mask_and_coherent to simplify code

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'pci_set_dma_mask()' + 'pci_set_consistent_dma_mask()' can be replaced by
an equivalent 'dma_set_mask_and_coherent()' which is much less verbose.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/20201121090302.1332491-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Christophe JAILLET 2020-11-21 10:03:02 +01:00 committed by Jakub Kicinski
parent 1119ea8019
commit 8ff39301ef
1 changed files with 4 additions and 10 deletions
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12
drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
View file

@ -2502,19 +2502,13 @@ static int pch_gbe_probe(struct pci_dev *pdev,
if (ret)
return ret;
if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64))
|| pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {
ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (ret) {
ret = pci_set_consistent_dma_mask(pdev,
DMA_BIT_MASK(32));
if (ret) {
dev_err(&pdev->dev, "ERR: No usable DMA "
"configuration, aborting\n");
dev_err(&pdev->dev, "ERR: No usable DMA configuration, aborting\n");
return ret;
}
}
}
ret = pcim_iomap_regions(pdev, 1 << PCH_GBE_PCI_BAR, pci_name(pdev));
if (ret) {