From b6f2f0352c0302076dcd0e0297592ea7d37f2242 Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Sat, 15 Jan 2022 08:24:20 +0100 Subject: dmaengine: idxd: 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://lore.kernel.org/linux-kernel/YL3vSPK5DXTNvgdx@infradead.org/#t Signed-off-by: Christophe JAILLET Acked-by: Dave Jiang Link: https://lore.kernel.org/r/009c80294dba72858cd8a6ed2ed81041df1b1e82.1642231430.git.christophe.jaillet@wanadoo.fr Signed-off-by: Vinod Koul --- drivers/dma/idxd/init.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers/dma/idxd/init.c') diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c index 08a5f4310188..993a5dcca24f 100644 --- a/drivers/dma/idxd/init.c +++ b/drivers/dma/idxd/init.c @@ -604,8 +604,6 @@ static int idxd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) dev_dbg(dev, "Set DMA masks\n"); rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); - if (rc) - rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); if (rc) goto err; -- cgit v1.2.3