diff options
| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2022-01-09 13:29:45 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2022-08-20 08:36:27 +0200 |
| commit | acaa07e5dde76b9c762b4d8f00ad5b3901edb7ff (patch) | |
| tree | deb1ab826caa50c0f39da0415df81134761fd0cd /drivers/i2c | |
| parent | 786f01d205cebb0b114423ec0b66c4d19074faa1 (diff) | |
i2c: ismt: 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://lkml.org/lkml/2021/6/7/398
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-ismt.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c index 6078fa0c0d48..fe2349590f75 100644 --- a/drivers/i2c/busses/i2c-ismt.c +++ b/drivers/i2c/busses/i2c-ismt.c @@ -937,11 +937,8 @@ ismt_probe(struct pci_dev *pdev, const struct pci_device_id *id) err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); if (err) { - err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); - if (err) { - dev_err(&pdev->dev, "dma_set_mask fail\n"); - return -ENODEV; - } + dev_err(&pdev->dev, "dma_set_mask fail\n"); + return -ENODEV; } err = ismt_dev_init(priv); |