From c5180ad0c2784924b3526ec2bd3ee9e0aa05724b Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Sat, 1 Jan 2022 15:02:45 +0100 Subject: 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 Signed-off-by: David S. Miller --- drivers/net/ethernet/cisco/enic/enic_main.c | 16 ++-------------- 1 file 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; } -- cgit v1.2.3-59-g8ed1b