diff options
| author |   Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2022-01-01 15:02:45 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2022-01-02 12:20:12 +0000 |
| commit | c5180ad0c2784924b3526ec2bd3ee9e0aa05724b (patch) | |
| tree | 31ea6423de9c472695da8df0e9841c9807898478 | |
| parent | net: socket.c: style fix (diff) | |
| download | linux-dev-c5180ad0c2784924b3526ec2bd3ee9e0aa05724b.tar.xz linux-dev-c5180ad0c2784924b3526ec2bd3ee9e0aa05724b.zip | |
enic: Use dma_set_mask_and_coherent()
Use dma_set_mask_and_coherent() instead of unrolling it with some
dma_set_mask()+dma_set_coherent_mask().
This simplifies code and removes some dead code (dma_set_coherent_mask()
can not fail after a successful dma_set_mask())
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/cisco/enic/enic_main.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index aacf141986d5..4db6889b79ba 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -2718,26 +2718,14 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) * fail to 32-bit. */ - err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(47)); + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(47)); if (err) { - err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); if (err) { dev_err(dev, "No usable DMA configuration, aborting\n"); goto err_out_release_regions; } - err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); - if (err) { - dev_err(dev, "Unable to obtain %u-bit DMA " - "for consistent allocations, aborting\n", 32); - goto err_out_release_regions; - } } else { - err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(47)); - if (err) { - dev_err(dev, "Unable to obtain %u-bit DMA " - "for consistent allocations, aborting\n", 47); - goto err_out_release_regions; - } using_dac = 1; } |