diff options
| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2022-01-15 10:24:20 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2022-03-11 12:53:36 +0300 |
| commit | b6f2f0352c0302076dcd0e0297592ea7d37f2242 (patch) | |
| tree | b39c3dbd65c4fc6c9d20f0c74f0221836fc3e15e /drivers/dma/idxd | |
| parent | 8f7cc6373bbbc770e949df6dd6127e52340aafa1 (diff) | |
| download | linux-b6f2f0352c0302076dcd0e0297592ea7d37f2242.tar.xz | |
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 <christophe.jaillet@wanadoo.fr>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/009c80294dba72858cd8a6ed2ed81041df1b1e82.1642231430.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/idxd')
| -rw-r--r-- | drivers/dma/idxd/init.c | 2 |
1 files changed, 0 insertions, 2 deletions
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 @@ -605,8 +605,6 @@ 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; dev_dbg(dev, "Set PCI master\n"); |